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Relevant bibliographies by topics / Timber connections

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Academic literature on the topic 'Timber connections'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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Journal articles on the topic "Timber connections"

1

Madsen, Borg. "Reliable timber connections." Progress in Structural Engineering and Materials 1, no. 3 (April 1998): 245–52. http://dx.doi.org/10.1002/pse.2260010305.

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2

Ali Chew, Amirah, Nurul Atikah Seri, Wan Nur Syazni Wan Shaari, Mohd Hanafie Yasin, and Rohana Hassan. "Tensile Resistance of GFRP Wrapped Steel-Dowelled Half-Lap Timber Connection." International Journal of Engineering & Technology 7, no. 3.11 (July 21, 2018): 101. http://dx.doi.org/10.14419/ijet.v7i3.11.15938.

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Generally, the use of timber mainly focuses on simple structures or structures that can take small loads. This paper report on tensile resistance of steel dowelled timber connection wrapped with glass fibre reinforced polymer (GFRP). It involved experimental work in laboratory designed to determine the tensile strength behaviour for half-lap timber connections with steel dowel as the mechanical fasteners. Bintangor species representing strength group 5 and Yellow Meranti species representing strength group 6 were tested in the conditions of with and without the GFRP wrapping. The performances of the connections were observed using the European Yield Model (EYM) as the guideline. The EYM theory is generally used to determine the load carrying capacity of timber-to-timber, panel-to-timber and steel-to-timber connections, reflecting all possible modes of failures. All half-lap connection members were tested at the rate 0.0006 mm/min using the universal testing machine. As a result, it was found that the steel-dowelled half-lap timber connection with GFRP wrapping performed better than the timber connection without the wrapping. The ultimate load of GFRP wrapped connections made of Bintangor and Yellow Meranti species were found increased at 17% and 44% higher compared to the connection without the GFRP wrapping accordingly.

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Pranata, Yosafat Aji, Anang Kristianto, and Olga Pattipawaej. "Beam-Column Timber Joint Connection Behavior Due to Nail and Modified-Washer Reinforcement Tests." Wood Research Journal 10, no. 1 (June 27, 2020): 6–10. http://dx.doi.org/10.51850/wrj.2019.10.1.6-10.

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Timber connection capacity, in case of beam-column joint connection provides significant impact on the wooden building structures. Strength and stiffness of timber connections using reinforcement technique of wooden building structures have not been studied intensively. This paper studies the use of nails and modified-washer to improve wood connection’s performance. The experimental tests were conducted in the laboratory by comparing the partial connection between test specimen timber without reinforcement (standard type) and the reinforcement (PRP type). The testing was conducted based on partial connection beam-column joint test using Universal Testing Machine’s with a modified holder. Wood studied includes Meranti (Shorea spp.) and Mersawa (Anisoptera spp.). PRP type connection was using nails and modified-washer strengthening, and standard type connection was using a classic washer. Parameters studied were strength and stiffness of the connection, reviewed both: proportional limit load and ultimate limit load conditions. Result obtained from this research indicates that the use of nails and modified-washer make a positive contribution to improving the performance of the beam- column timber joint connections, in terms of strength capacity (both of proportional limit and ultimate limit loads) and stiffness capacity (displacement ductility ratio). Meranti beam-column timber joint is more brittle than Mersawa beam column timber joint, it has an impact on the results. PRP-type of Mersawa timber connection produces a higher ductility than the standard type, while the PRP-type of Meranti timber connection produces a similar ductility to the standard type.

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Karacabeyli, E., H. Fraser, and W. Deacon. "Lateral and withdrawal load resistance of glulam rivet connections made with sawn timber." Canadian Journal of Civil Engineering 25, no. 1 (January 1, 1998): 128–38. http://dx.doi.org/10.1139/l97-070.

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The efficiency of glulam rivets has made them one of the most suitable connectors in heavy timber construction utilizing glued-laminated timber (glulam) members. Starting with the 1994 version of the CSA Standard for Engineering Design in Wood, design procedures are also available for the use of glulam rivet connections with sawn timbers. In the course of formulating these design provisions, several series of lateral resistance and withdrawal tests were performed using glulam rivets with sawn timbers to study the effects of material (sawn timber versus glulam), species, loading type and direction, environmental conditions, density, waiting period between assembly and test, pre-drilling, and plate thickness. The newly added design provisions increase structural engineers' choice of fastening systems in timber construction.Key words: glulam rivets, fasteners, connections, timber.

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5

Kuklík, Petr, Anna Kuklíková, and Anna Gregorová. "Timber-Concrete Composite Structures with Semi-Rigid Connections." Key Engineering Materials 677 (January 2016): 282–87. http://dx.doi.org/10.4028/www.scientific.net/kem.677.282.

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This paper deals with behavior of timber-concrete composite structures with mechanical connection systems. The paper is focused to two different connection systems: using dowel-type fasteners and using special surface connector. Behavior of dowel-type connection system is based on modification of Johansen ́s equations valid for timber to timber connections. Behavior of connection system with special surface connector is evaluated by experiments and numerical simulations.

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Madsen, B. "Behaviour of timber connections." Canadian Journal of Civil Engineering 28, no. 3 (June 1, 2001): 546. http://dx.doi.org/10.1139/l01-016.

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7

Han, Fang, Jinwei Jiang, Kai Xu, and Ning Wang. "Damage Detection of Common Timber Connections Using Piezoceramic Transducers and Active Sensing." Sensors 19, no. 11 (May 31, 2019): 2486. http://dx.doi.org/10.3390/s19112486.

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Timber structures have been widely used due to their low-cost and environmental-friendly properties. It is essential to monitor connection damage to ensure the stability and safety of entire timber structures since timber connection damage may induce catastrophic incidents if not detected in a timely manner. However, the current investigations on timber connections focus on mechanical properties and failure modes, and the damage detection of timber connection receives rare attention. Therefore, in this paper, we investigate the damage detection of four common timber connections (i.e., the screw connection, the bolt connection, the decussation connection, and the tooth plate connection) by using the active sensing method. The active sensing method was implemented by using a pair of lead zirconate titanate (PZT) transducers: one PZT patch is used as an actuator to generate stress waves, and the other works as a sensor to detect stress waves after propagating across the timber connection. Based on the wavelet packet energy analysis, the signal energy levels of received stress waves under different damage extent are quantified. Finally, by comparing the signal energy between the intact status and the damage status of the timber connection, we find that the energy attenuates with increasing severity of the connection damage. The experimental results demonstrate that the active sensing method can realize real-time monitoring of timber connection damage, which can guide further investigations.

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Daly, Aoife. "Ships and their timber source as indicators of connections between regions." AmS-Skrifter, no. 27 (January 6, 2020): 133–43. http://dx.doi.org/10.31265/ams-skrifter.v0i27.264.

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The precise dating and determination of the source of timbers in shipwrecks found around the coasts of the North Sea and the Baltic Sea, through dendrochronology allows us to see connections between north and south, east and west throughout the region and to a high chronological precision. In this paper we take a look at results of recent analyses of timber from ships, and timber and barrel cargoes, to try to draw a chronological picture, from the twelfth to seventeenth centuries, of links between regions, through transport in oak ships and trade of timber. Archaeological finds of oak from timber cargos in shipwrecks and fine art objects (painted panels and sculpture) show the extent to which timber was shipped from Hanseatic towns along the southern Baltic coast, to western and north-western Europe.

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Ceraldi, C., C. D’Ambra, M. Lippiello, and A. Prota. "Restoring of timber structures: connections with timber pegs." European Journal of Wood and Wood Products 75, no. 6 (April 1, 2017): 957–71. http://dx.doi.org/10.1007/s00107-017-1179-6.

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Huang, Haoyu, Wen-Shao Chang, and Ke Chen. "Study of SMA-dowelled timber connection reinforced by densified veneer wood under cyclic loading." MATEC Web of Conferences 275 (2019): 01015. http://dx.doi.org/10.1051/matecconf/201927501015.

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This study explores the dynamic behaviours of shape memory alloy (SMA)-dowelled timber connection with densified veneer wood (DVW) reinforcement, so as to provide resilience to the timber structure. The performance of the SMA bar under cyclic bending is firstly studied, and it is found that it has superior self-centring effect and large ductility compared with that of the steel. By testing the SMA-dowelled timber connections and the conventional steel-dowelled timber connections under cyclic loading at various displacement levels, it is shown that SMA can provide better self-centring effect and larger ductility to the connection. The DVW reinforcement can enhance the self-centring and improve the strength. However, the energy dissipation capacity of the SMA-dowelled timber connection is lower than that of the steel-dowelled connection because of the smaller hysteresis area of the SMA. In the further study, the effect of the temperature control on SMA should be investigated to improve the damping capacity of the SMA-dowelled timber connection.

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Dissertations / Theses on the topic "Timber connections"

1

Krepper, Martin, and Anders Reutermo. "Calculation program for timber connections." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-131977.

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Yeboah, David. "Rigid connections in structural timber assemblies." Thesis, Queen's University Belfast, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.580103.

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Bonded-in rod joints have several advantages over the conventional type of joints in terms of performance, cost and aesthetics. The use of basalt fibre reinforced polymer (BFRP) rods would result in lower weight of the joint and improved resistance to corrosion but there appears to be little or no investigation on the use of these rods in the bonded-in rod technique. The aim of this research was to examine the behaviour of bonded-in BFRP and steel rods and to propose design models to enhance current knowledge in bonded-in rod technology. The mechanical properties of the timber members were characterised so as to predict the behaviour of donor and spliced beams for the proposed stressed model. Pull-out tests of the rods were conducted to investigate some factors that affect joint capacity and based of the results bonded-in rod timber beams were fabricated and tested for ultimate capacity and flexural stiffness. An analytical model based on the interfacial tress-strain interaction of the BFRP rods with the adhesive layer and the timber members was developed to predict pull-out capacity of the samples. Average shear strength from steel pull-out tests was also used to propose a design equation for pull-out capacity of steel samples. In both the BFRP and steel samples, good agreement with the tests results was observed. A trapezoidal timber compressive stress model was developed to predict ultimate moment capacities of steel and BFRP timber beams. Good agreement was found between the theoretical and bonded-in steel rod beams whereas results form bonded-in BFRP rod beams were lower due to tensile splitting. Bonded-in steel beams recorded higher stiffness than the theoretical stiffness, whereas there was strong agreement between the theoretical predictions and BFRP beam tests. Thus, the presented models may serve as a useful reference for future design of bonded- in rod joints.

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Mmari, Winston. "Modeling of nailed timber connection : Displacement path dependency in sheathing-to-framing connections." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-66956.

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Connections in wood have been investigated and advanced ever since the ground-breaking work of Johansen in the early nineteenth century. Nevertheless, not much investigation has been undertaken on the existence of load-displacement path dependency in a sheathing-to-framing connection. Herein, a sheathing-to-framing connection is investigated in relation to displacement path dependency. This work uses 3D Finite Element beam-on-foundation models of an Oriented Strand Board (OSB/2) sheathing nailed to a C24 wood framing, to study possible strategies to numerically simulate the displacement path dependency. The models are used to study if non-linear elastic or elastic-plastic embedment properties of an annular-ringed shank nail in the wood-based materials bring about the path dependency using Connector elements in combination with different material models in the FE software Abaqus. Numerical results are compared with corresponding experimental test results of the connection together with the Eurocode 5 approach. The outcome of the numerical study both; confirms the existence of displacement path dependency and shows that this property in the connection can be described by plasticity properties in nail, sheathing material and the wood framing.

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Harvey, Kim. "Improved timber connections using bonded-in GFRP rods." Thesis, University of Bath, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.425878.

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Thomson, Andrew. "The structural performance of non-metallic timber connections." Thesis, University of Bath, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.544513.

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Reducing the amount of metal used within a timber structure has many advantages, particularly when dealing with connections. Fire resistance and durability are commonly cited benefits. In addition the use of alternative connector materials minimises thermal bridging and can also provide a lighter weight structural solution. Existing contemporary forms of non-metallic timber connections are commonly provided through the use of adhesives. However, these connections are reliant on a need for careful offsite, prefabricated construction. Traditional green oak carpentry connections provide a mechanically fastened non-metallic solution. However, carpentry connections are not widely compatible with contemporary architectural design or with the use of modern engineered timber products such as glulam. Building upon research completed at the University of Bath, the aim of this thesis was to develop a mechanical, non-metallic connection system suitable for contemporary applications. Specific objectives were to investigate the structural performance of a defined connection system and to develop analysis methods to facilitate design. A review of the literature demonstrated a lack of uptake and use of mechanical non-metallic connections. Guidance for the design of mechanical fasteners reflects the lack of innovation and research into the use of non-metallic materials. Following an initial experimental investigation of non-metallic materials, an experimental testing programme was completed to investigate the use of glass fibre reinforced plastic (GFRP) dowels in conjunction with densified veneer wood (DVW) plates. The findings of the experimental study demonstrate that the use of these materials can provide a robust connection system for contemporary applications. The results of the experimental work provide guidance on dowel spacing requirements, connection response to load and connection failure modes. The failure modes of the proposed connection system were shown to be unique to the materials used and specific strength analysis methods have been developed to predict connection yield and ultimate strength. A method for predicting initial connection stiffness was also developed through the use of a beam on elastic foundation model.

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Oh, Jiyoon. "Timber moment connections using glued-in steel rods." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/57566.

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The experimental study completed in this thesis focused on timber-steel hybrid moment connections using d=12.7mm diameter mild steel threaded rods glued into Douglas-Fir glulam with polyurethane based adhesive. Two phases of experiments were conducted: the first to determine the minimum design parameter values that result in a ductile tensile failure of the glued-in steel rod, instead of a brittle timber or pull-out failure; and the second, to determine a relationship between the different design parameters and the moment capacity of the connection. The work established that the moment connection fails in a ductile manner due to rod yielding and plasticizing, when the shear force induced into the system was less than 25% of the maximum axial capacity of the steel rods. Then, ductile failure occurred even when the edge distances of the steel rods were below the recommendation of a minimum 2.5d to prevent splitting of the wood. Rod pull-out failure was prevented by having a glued-in embedment length of the rods equal to or greater than 15d. In addition, ductility and equivalent viscous damping ratio were found to decrease as the moment capacity of the connection increased. The theoretical yield moment was calculated based on the assumption that the compression and tension members are timber and steel, respectively, and by applying the concept that plane-sections remain plane and the traditional elastic transform theory. The experimentally determined yield moments were established to be a close match. The results of the research provide guidance to practicing engineers to design moment connections with glued-in steel rods.
Applied Science, Faculty of
Civil Engineering, Department of
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7

Madhoushi, Mehrab. "Fatigue of glued-in pultruded connections for structural timber." Thesis, University of Bath, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269838.

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8

Karagiannis, Vasileios. "Behaviour of hybrid timber-steel beam-to-column connections." Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/59187.

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This thesis studies the behaviour of hybrid systems consisting of tubular steel columns and laminated glulam timber beams. The research includes experimental investigations at the material and structural system levels as well as several numerical and assessments. Firstly, an extensive experimental programme is conducted on the determination of the material properties of the glulam. This involve compressive, tensile, shear and bending material tests. In addition, one-dowel connection tests are carried out to examine the interaction between the steel fastener and the timber volume around the fastener hole with the aid of Digital Image Correlation (DIC) techniques. Subsequently, detailed three-dimensional detailed models are constructed and their results are compared with the experimental tests. To account for the material damage, the foundation zone approach was used. This model was shown to be able to correctly simulate the crushing response of wood in the embedding region. The implementation of this region into the model allows an accurate simulation of the damage accumulation process. To this end, new relationships were formulated as part of this thesis, that can be used to estimate the material characterisation as a function of the crushing volume. The proposed model allows for a relatively low dependence on the radius of the foundation volume adopted making it applicable to a wider range of varying geometrical configurations. The validity and accuracy of the proposed modified foundation models were examined against the experimental force-displacement curves, and good agreement was found between the experimental response and the numerical simulations The second experimental programme is concerned with the performance of timber beam-steel column assemblages. Two timber beam-to-steel column alternatives are examined: a) top and seat angle connection and b) slotted-in T-stub connection with bolts. The configuration of the connections and their set-up are presented, followed by detailed results in the form of figures and tables as well as observations from the tests. The main behavioural patterns are identified and key response characteristics such as stiffness, capacity and failure mechanisms are discussed. Detailed finite element models were created to simulate the experimental timber beam-to-steel column connection tests. The models included advance features such as contact phenomena, bolt pretension and orthotropic material definitions. The foundation zone approach developed in this thesis was implemented. The results of the models were validated against the experimental results and good agreement was found. Additionally, component-based models were also formulated for the prediction of the flexural response of the connection types tested. These expressions were developed to estimate the stiffness, capacity and ultimate loads of the connections and the results were validated against the experimental and numerical findings. The component models proposed were able to predict the response of the connection accurately including those cases where screws and bottom-wedge angles were involved. In the concluding part of the thesis, the developed finite element models are employed in a parametric assessment in order to highlight the influence of key geometric and material considerations. The dearth of information on timber-steel hybrid connection of this type, design methodologies must be developed to offer a preliminary assessment on the prediction and evaluation of the key characteristics and hence the results are also compared with simplified analytical expressions. Finally, the last section of the thesis summarised all the findings and numerous possible future research are identified.

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Brandon, Daniel. "Fire and structural performance of non-metallic timber connections." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.665417.

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Recent studies showed the need for timber connections with high fire performance. Connections of members in timber structures commonly comprise steel connectors, such as dowels, screws, nails and toothed plates. However, multiple studies have shown that the presence of exposed metal in timber connections leads to a poor performance under fire conditions. Replacing metallic fasteners with non-metallic fasteners potentially enhances the fire performance of timber connections. Previous studies showed that Glass Fibre Reinforced Polymer (GFRP) dowels can be a viable replacement for steel dowels and that Densified Veneer Wood functions well as a flitch plate material. However, as the resin matrix of GFRP dowels is viscoelastic, connection creep, which is not studied before, can be of concern. Also no research has been carried out on the fire performance of these connections. Therefore, a study of the creep behaviour and the fire performance of non-metallic timber connections comprising GFRP dowels and a Densified Veneer Wood flitch plate was performed, as is discussed in this thesis. Predictive models were proposed to determine the connection slip and load bearing capacity at ambient and elevated temperatures and in a fire. The material properties and heat transfer properties required for these models were determined experimentally and predictions of these models were experimentally validated. Furthermore, an adjustment of the predictive model of connection slip at ambient temperature allowed approximating the creep of the connection. The material properties, required for the creep model, were determined experimentally and predictions of the model were compared to results of longterm connection tests. The study confirmed that timber members jointed with non-metallic connectors have a significantly improved fire performance to timber joints using metallic connections. Models developed and proposed to predict fire performance gave accurate predictions of time to failure. It was concluded that non-metallic connections showed more creep per load per connector, than metallic connections. However, the ratio between initial deflection and creep (relative creep) and the ratio between load level and creep were shown to be similar for metallic and non-metallic connections.

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Abdulrahman, Nasser A. H. "Load transfer mechanism in punched metal plate timber connections." Thesis, Edinburgh Napier University, 2002. http://researchrepository.napier.ac.uk/Output/6193.

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The load capacity of the punched metal plate timber joints is established, in general, by empirical means as a result of destructive testing in accordance with relevant national standards. The basis of tests is tensile or compressive loading applied parallel and perpendicular to the grain of the timber. In general, the design-analyses of trusses are based on the assumption that joints behave as pins due to the concentration of fasteners in a small area limiting the moment arm. A number of testing methods and apparatus were developed to determine the behaviour of the punched metal plate timber joints under different types of loading (tension,compression and moment). A combined programme of experimental and analytical work was carried out to evaluate the semi-rigid characteristics of the punched metal plate timber joints with respect to the level of translation and rotational rigidity under short term loading. The effects of different parameters such as load and deformation rates, number and length of bites, thickness of the plates and the orientation of the plates and timber grains were considered. The load-displacement and moment-rotation characteristics were studied and empirical models were developed to simulate displacements up to failure loads. The study results show that the strength and stiffness of the joints can be expressed in terms of connector parameters. Increasing deformation rate, number of bites, length of bites, thickness of the plates and decreasing plate and grain orientations would increase the strength and stiffness of the joints. Also, the results show that the punched metal plate connections can possess a considerable moment capacity. A statistical technique was used to classify the level of importance of parameters such as number of bites, length of bites and grain direction on the performance of the punched metal plate timber joints. All the specimens were tested under both tension and compression loads up to failure. From the tests and analysis carried out it was found that the grain direction had significant effect on the performance of the joints under tensile loading and the effectiveness of the grain direction was less when joints were subjected to compressive loading. There was a strong indication that the effect of the number of bites was dominant when joints were subjected to compressive loading. A design flowchart for punched metal plate timber joints is provided incorporating the research findings into a design/analysis process.

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Books on the topic "Timber connections"

1

M, Leijten Ad J., and Timber Engineering Ltd, eds. Behaviour of timber connections. North Vancouver: Timber Engineering, 2000.

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Technology, TRADA. Concise illustrated guide to timber connections. High Wycombe, Buckinghamshire: TRADA Technology Ltd, 2012.

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3

Wilkinson, Thomas Lee. Strength of bolted timber connections with steel side members. Madison, WI (One Gifford Pinchot Dr., Madison 53705-2398): U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1992.

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Wilkinson, Thomas Lee. Strength of bolted timber connections with steel side members. Madison, WI (One Gifford Pinchot Dr., Madison 53705-2398): U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1992.

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Wilkinson, T. L. Strength of bolted timber connections with steel side members.. Madison: United States, Forest Service, Forest Products Laboratory, 1992.

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Wilkinson, Thomas Lee. Strength of bolted timber connections with steel side members. Madison, WI (One Gifford Pinchot Dr., Madison 53705-2398): U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1992.

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Lim, K. Y. S. Protected nailed gusset connections for glulam members. Judgeford [N.Z.]: BRANZ, 1990.

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Windorski, Daniel F. Feasibility of fiberglass-reinforced bolted wood connections. Madison, WI: U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1997.

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Wolfe, Ronald W. Stiffness and strength properties of shear transfer plate connections. Madison, WI (One Gifford Pinchot Dr., Madison 53705-2398): U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1993.

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Wolfe, Ronald W. Dowel-nut connection in Douglas-fir peeler cores. [Madison, WI]: U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 2000.

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Book chapters on the topic "Timber connections"

1

McMullin, Paul W. "Timber Connections." In Timber Design, 206–49. New York : Routledge, 2017.: Routledge, 2017. http://dx.doi.org/10.4324/9781315733890-9.

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Rosdi, Nurain, Rohana Hassan, and Mohd Hanafie Yasin. "A Review of Connections for Glulam Timber." In InCIEC 2014, 1163–73. Singapore: Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-290-6_103.

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Haller, P. "New Design Concepts for Structural Timber Connections." In The Paramount Role of Joints into the Reliable Response of Structures, 395–406. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-010-0950-8_34.

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Brandon, Daniel, Martin P. Ansell, Richard Harris, Pete Walker, and Julie Bregulla. "Modelling of Non-metallic Timber Connections at Elevated Temperatures." In Materials and Joints in Timber Structures, 231–41. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7811-5_22.

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Wrzesniak, Daniela, Massimo Fragiacomo, and André Jorissen. "Alternative Approach to Avoid Brittle Failure in Dowelled Connections." In Materials and Joints in Timber Structures, 273–87. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7811-5_26.

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Bathon, Leander, Oliver Bletz-Mühldorfer, Jens Schmidt, and Friedemann Diehl. "Fatigue Performance of Adhesive Connections for Wooden Wind Towers." In Materials and Joints in Timber Structures, 375–80. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7811-5_34.

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Vestartas, Petras, Nicolas Rogeau, Julien Gamerro, and Yves Weinand. "Modelling Workflow for Segmented Timber Shells Using Wood-Wood Connections." In Impact: Design With All Senses, 596–607. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-29829-6_46.

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Brandon, Daniël, Andrew Thomson, Martin Ansell, Julie Bregulla, Richard Harris, and Peter Walker. "Stiffness Modelling of Non-metallic Timber Connections with Pultruded Dowels." In InCIEC 2013, 37–49. Singapore: Springer Singapore, 2014. http://dx.doi.org/10.1007/978-981-4585-02-6_4.

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Franke, Bettina, and Pierre Quenneville. "Analysis of the Brittle Failure and Design of Connections Loaded Perpendicular to Grain." In Materials and Joints in Timber Structures, 243–53. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7811-5_23.

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Zarnani, Pouyan, and Pierre Quenneville. "Wood Load-Carrying Capacity of Timber Connections: An Extended Application for Nails and Screws." In Materials and Joints in Timber Structures, 167–79. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7811-5_16.

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Conference papers on the topic "Timber connections"

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Heesterman, Mikayla, and Kevin Sweet. "Robotic Connections: Customisable Joints for Timber Construction." In XXII CONGRESSO INTERNACIONAL DA SOCIEDADE IBEROAMERICANA DE GRÁFICA DIGITAL. São Paulo: Editora Blucher, 2018. http://dx.doi.org/10.5151/sigradi2018-1358.

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Sarkisian, Mark, Rupa Garai, Benton Johnson, and Chris Horiuchi. "Enhanced Seismic Systems for Mass-Timber Structures." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.1149.

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<p>Mass-timber provides numerous benefits in reducing structural material impact on the environment by limiting building embodied carbon. Mass timber from sustainably harvested farms is a renewable material and considered a sink from wood carbon sequestration, and the reduced weight of mass timber framed buildings results in less lateral system and foundation materials.</p><p>Timber’s limited ductility and traditional connections limit applications in high-seismic regions, but a series of novel connections can reliably provide ductility by using friction to dissipate energy, protecting timber elements as they remain essentially elastic. The bolted connections are designed to be easily replaceable after an earthquake and can re-center the building under any residual drift. In these systems, the seemingly incompatible concepts of resilient and sustainable design can be achieved concurrently, using a renewable material for the base material and connections which specifically target faster recovery times.</p><p>The Pin-Fuse® Joint and Link-Fuse™ Joint systems, used in moment resisting timber frames and cross- laminated timber shear walls systems, rely on slipping of pre-tensioned bolts across friction surfaces to simulate material yielding. This paper will review the theory behind the systems, application of the devices in timber structures, and compare enhanced seismic design to conventional design timber buildings.</p>

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Weinand, Y. "Towards Sustainable Timber Construction Through the Application of Wood-Wood Connections." In IABSE Symposium, Wroclaw 2020: Synergy of Culture and Civil Engineering – History and Challenges. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2020. http://dx.doi.org/10.2749/wroclaw.2020.0177.

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<p>This paper introduces a series of sustainable timber construction using wood-wood connections, which are driven from environmental requirements. These constructions are based on geometries like origami and free-form instead of standard structural elements. In addition, to predict the structural behaviour, the simplified numerical methods for accurately modelling are used. The aim of these case studies is to better explore the value of wood-wood connections as inheritance of ancient culture and extend research on their integration into design processes. Through the design, manufacturing and assembly stage, the connections are investigated as a driver for architectural forms. The utilisation of these innovative connections with minimised metal connectors ensures the rapid, precise and simple assembly process. With in-depth study and innovation of the ancient wood-wood connections, experience in prefabricated timber structure not only offers new geometrical opportunities, but also expands the understanding of integration of ancient and modern cultures.</p>

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Fabriciuss, Janis, and Lilita Ozola. "Duration of load effects on development of deformations in bolted moment connection." In Research for Rural Development 2020. Latvia University of Life Sciences and Technologies, 2020. http://dx.doi.org/10.22616/rrd.26.2020.034.

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Experience saved in the construction industry shows that the timber portal frames with semi-rigid connections at knee joint exhibit permanently increase displacements at the knee and apex point. Normally, timber portal frame with semi-rigid knee joint connection is made with mechanical fasteners located in double circles and cannot be designed without relevant rotation at connection during structures’ exploitation time. The only way to increase connection rigidity is to rise distance from fasteners location at connection, but at the same time, the tension and shear stress become significant at the external section of members. The previous experience is obtained by a model testing showing that deformations at semi-rigid connections are non-linear. These were tests under short-term load and did not disclose creep effects, which can be significant. This study is aimed at the examination of increasing deformations with time under constant static load (creep effects) in semi-rigid dowelled connection. Experimental test models were made and set under long-term load in controlled environmental conditions (heated laboratory room). Results show a significant creep influence to decrease connection stiffness. Corresponding numerical test of orthotropic 3d model by Dlubal RFEM software tools was performed analyzing the value of expected deformations. Results of the numerical test showed that friction between timber elements and extra nuts on bolts can increase connection stiffness. Research results in this stage show that the creep can affect connection stiffness more than expected. Also, experimental test results showed lower deformation values comparing with the ones obtained by the numerical test.

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Horne, Paul, Anthony Abu, Alessandro Palermo, and Peter Moss. "Analytical modelling of controlled rocking connections in post- tensioned timber frames under combined seismic and gravity loading." In IABSE Congress, Christchurch 2021: Resilient technologies for sustainable infrastructure. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/christchurch.2021.1230.

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<p>The Modified Monolithic Beam Analogy (MMBA) is a method for the analytical modelling of controlled rocking connections by establishing a displacement equivalence between the rocking member and an equivalent monolithic member. As member displacement is a function of the applied loads, the MBA must formulated for each loading scenario. The MMBA is extended to loadings scenarios with simultaneous seismic and gravity actions. This formulation can be used to analyse and design controlled rocking connections under combined seismic-gravity actions. The difference in connection response between seismic-only and combined seismic-gravity loadings is exemplified and the design implications for frames under this combined loading case is discussed.</p>

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Anthony, Ronald W. "Examination of Connections and Deterioration in Timber Structures Using Digital Radioscopy." In Third Forensic Engineering Congress. Reston, VA: American Society of Civil Engineers, 2003. http://dx.doi.org/10.1061/40692(241)32.

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Hossain, Afrin, Ruthwik Lakshman, and Thomas Tannert. "Shear Connections with Self-Tapping Screws for Cross-Laminated Timber Panels." In Structures Congress 2015. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479117.195.

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Vliet, Kasey, Peter Von Buelow, and Steven Y. Mankouche. "Limb: Rethinking Heavy Timber Joinery Through Analysis of Tree Crotches." In 2018 ACSA International Conference. ACSA Press, 2018. http://dx.doi.org/10.35483/acsa.intl.2018.21.

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LIMB reconsiders historic heavy timber construction across cultures to develop new joinery methods by focusing on the natural occurrence of branch bifurcation in different wood species. Because of its low value, often the crotch of a tree is not harvested for commercial purposes. This project uses this vital element to design connections that replace traditional mortise and tenon or steel connections.

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Solarino, Fabio, Daniel V. Oliveira, and Linda Giresini. "A review on wall-to-timber floor anchorages in URM buildings." In IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.0096.

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<p>Out of plane failure of unreinforced masonry walls is considered one of the most vulnerable seismic hazards in medium and high earthquake-prone regions. Efficient structural connections enable global equilibrated mechanisms, ensuring the “box-behavior”. Timber floors are widely used as horizontal diaphragm in historical constructions, and their connection to the boundary walls is crucial to facilitate internal force redistribution and to restrain out of plane walls. Wall-to-floor anchorages are typical in existing historical buildings, and innovative solutions are proposed nowadays by engineers as strengthening devices. Unfortunately, they are often too invasive or unsustainable solutions, applied without reliable seismic design and evaluation through valid models.</p><p>This paper presents a literature review on the traditional and innovative wall-to-timber floor anchors used in unreinforced masonry buildings taking into account experimental works, analytical and numerical studies.</p>

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Okunrounmu, Oluwamuyiwa, Osama (Sam) Salem, and George Hadjisophocleous. "Fire performance of moment-resisting concealed timber connections reinforced with self-tapping screws." In 11th International Conference on Structures in Fire (SiF2020). Brisbane, Australia: The University of Queensland, 2020. http://dx.doi.org/10.14264/49d5c9c.

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Reports on the topic "Timber connections"

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Begel, Marshall, Ronald W. Wolfe, and Douglas C. Stahl. Timber rivet connections in US domestic species. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2004. http://dx.doi.org/10.2737/fpl-rp-619.

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Williams, Tyler. Lateral Deformation Behavior of Mass Timber Beam to Column Gravity Connection. Portland State University. Department of Civil and Environmental Engineering, August 2018. http://dx.doi.org/10.15760/ccemp.43.

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Acemoglu, Daron, Simon Johnson, Amir Kermani, James Kwak, and Todd Mitton. The Value of Connections in Turbulent Times: Evidence from the United States. Cambridge, MA: National Bureau of Economic Research, December 2013. http://dx.doi.org/10.3386/w19701.

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Noon, Virginia M., and Vera Bruce Ashley. Industry Connections: Linking Design Professionals to Fashion Students Using Real Time Technology. Ames: Iowa State University, Digital Repository, 2013. http://dx.doi.org/10.31274/itaa_proceedings-180814-771.

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Lynott, Jana. More Mobility, Stronger Connections: It’s Time to Modernize Demand-Responsive Transportation Using the Transactional Data Specification. Washington, DC: AARP Public Policy Institute, April 2021. http://dx.doi.org/10.26419/ppi.00121.002.

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Figliozzi, Miguel. Analysis of Travel Time Reliability for Freight Corridors Connecting the Pacific Northwest. Portland State University Library, November 2012. http://dx.doi.org/10.15760/trec.110.

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Farber, Steven. Connecting People to Places: Spatiotemporal Analysis of Transit Supply Using Travel-Time Cubes. Portland State University Library, June 2016. http://dx.doi.org/10.15760/trec.143.

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Panel, Malabo Montpellier. Connecting The Dots: Policy Innovations for Food Systems Transformation in Africa. AKADEMIYA2063, July 2021. http://dx.doi.org/10.54067/9789870010101.

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This report—Connecting the Dots: Policy Innovations for Food Systems Transformation in Africa—draws on the experience and at times visionary leadership of four African countries: Ghana, Malawi, Morocco, and Rwanda. It focuses on their policy and institutional innovations, which have moved the needle toward systems-level change and transformation.

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Lazzaro, J. Framing Real-time Transport Protocol (RTP) and RTP Control Protocol (RTCP) Packets over Connection-Oriented Transport. RFC Editor, July 2006. http://dx.doi.org/10.17487/rfc4571.

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Maydykovskiy, Igor, and Petra Užpelkis. The Concept of space-time quanta in future technologies. Intellectual Archive, December 2020. http://dx.doi.org/10.32370/iaj.2464.

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The article discusses the possibility of using the technological advantages that appear in connection with the discovery of the physical essence of Time and new interpretation of the structure of space in the form of space-time quanta. One of the problems that can be successfully solved on the basis of the new physical model is the problem of establishing the true nature of gravity. The solution to this problem is directly related to the implementation of the idea of unsupported motion based on the interaction in a certain way of the created asymmetric interference structure of longitudinal waves with the natural structure of spatial frequencies.

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