Relevant bibliographies by topics / Cyclic tests

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Cyclic tests'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 March 2023

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Journal articles on the topic "Cyclic tests"

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Prošek, T. "Accelerated cyclic corrosion tests." Koroze a ochrana materialu 60, no. 2 (June 1, 2016): 46–49. http://dx.doi.org/10.1515/kom-2016-0008.

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Abstract Accelerated corrosion testing is indispensable for material selection, quality control and both initial and residual life time prediction for bare and painted metallic, polymeric, adhesive and other materials in atmospheric exposure conditions. The best known Neutral Salt Spray (NSS) test provides unrealistic conditions and poor correlation to exposures in atmosphere. Modern cyclic accelerated corrosion tests include intermittent salt spray, wet and dry phases and eventually other technical phases. They are able to predict the material performance in service more correctly as documented on several examples. The use of NSS should thus be restricted for quality control.
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Tikhomirova, E. A., and Å. F. Sidokhin. "Thermal Cyclic Material Tests Planning." Strength of Materials 50, no. 2 (March 2018): 295–301. http://dx.doi.org/10.1007/s11223-018-9971-z.

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Blanc, Juliette, Thomas Gabet, Pierre Hornych, Jean-Michel Piau, and Hervé Di Benedetto. "Cyclic triaxial tests on bituminous mixtures." Road Materials and Pavement Design 16, no. 1 (October 6, 2014): 46–69. http://dx.doi.org/10.1080/14680629.2014.964293.

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Dolan, J. D., and B. Madsen. "Monotonic and cyclic nail connection tests." Canadian Journal of Civil Engineering 19, no. 1 (February 1, 1992): 97–104. http://dx.doi.org/10.1139/l92-010.

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The results of monotonic and cyclic nail connection lateral tests are presented. The tests are part of an extensive experimental and analytical study to investigate the behaviour of timber shear walls subjected to earthquakes. The results from the nail connection tests were used in a larger study of timber shear walls. The nonlinear load–deflection curves were used for modelling the nail connection between the sheathing and the framing of the shear walls. The dependency of the nail connection on the grain orientation of the timber materials is investigated along with the evidence that the material properties of the nails are the primary parameters for the load–displacement characteristics of the connection made with hot-dipped, galvanized common nails. Both the monotonic and cyclic lateral behaviours of the connections are established. The premise that the hysteresis for the nail connection is contained within an envelope defined by the monotonic load–displacement curve is confirmed. These connection characteristics translate into similar behaviour in nailed timber shear walls. Therefore, an improved undertanding of the principal connection used in the construction of shear walls will also improve the understanding of the behaviour of shear walls. Key words: connections, nails, plywood, waferboard, monotonic, cyclic, shear wall.
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Shuvalov, Aleksandr, Igor Gorbunov, and Mikhail Kovalev. "Anchorage strength and ductility in shear tests." E3S Web of Conferences 263 (2021): 02016. http://dx.doi.org/10.1051/e3sconf/202126302016.

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Article shows shear tests results for anchorage using bent foundation bolts 16, 24 and 36 mm in diameter and torque-controlled undercut anchors 12, 16 and 20 mm in diameter. Load-displacement diagrams were acquired for shear loads in static and dynamic cyclic tests in uncracked and cracked concrete. Cyclic loading pattern simulated seismic loads on anchors. Shear loading tests allowed to estimate influence of cracks and cyclic loading on strength and ductility of anchorage.
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Jones, A. "Cyclic stress-strain curves generated from random cyclic strain amplitude tests." International Journal of Fatigue 21, no. 6 (July 1999): 521–30. http://dx.doi.org/10.1016/s0142-1123(99)00014-6.

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Aubeny, Charles P., Christophe Gaudin, and Mark F. Randolph. "Cyclic Tests of Model Pipe in Kaolin." SPE Projects, Facilities & Construction 3, no. 04 (December 1, 2008): 1–6. http://dx.doi.org/10.2118/123131-pa.

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Procházka, R., and J. Džugan. "Strain controlled cyclic tests on miniaturized specimens." IOP Conference Series: Materials Science and Engineering 179 (February 2017): 012060. http://dx.doi.org/10.1088/1757-899x/179/1/012060.

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Venkappa, Velpula, and Ganpat S. Pandit. "Cyclic Torsion Tests on Reinforced Concrete Beams." Journal of Structural Engineering 113, no. 6 (June 1987): 1329–40. http://dx.doi.org/10.1061/(asce)0733-9445(1987)113:6(1329).

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Beyer, Katrin, and Alessandro Dazio. "Quasi-Static Cyclic Tests on Masonry Spandrels." Earthquake Spectra 28, no. 3 (August 2012): 907–29. http://dx.doi.org/10.1193/1.4000063.

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This paper presents the results of an experimental campaign on masonry spandrels. Within this campaign, four masonry spandrels were subjected to quasi-static cyclic loading. Two different spandrel configurations were tested. The first configuration comprised a masonry spandrel with a timber lintel, and the second configuration, a masonry spandrel on a shallow masonry arch. For each configuration, two specimens were tested. The first was tested with a constant axial load in the spandrel, while for the second specimen, the axial load in the spandrel depended on the axial elongation of the spandrel. This paper summarizes the properties of the four test units, the test setup, and the most important results from the experiments, documenting the failure mechanisms that developed and the force-deformation hysteresis of the spandrel elements. The paper also presents a mechanical model for estimating the peak strength of masonry spandrels.
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Dissertations / Theses on the topic "Cyclic tests"

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Fiorin, Laura. "Seismic assessment of suspended ceilings through cyclic quasi-static tests." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3423162.

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The purpose of this work is the evaluation of the seismic behaviour of suspended ceilings by means of a combined experimental and numerical approach. As concerning the experimental aspects, nowadays the most common experimental produre applied to suspended ceilings worldwide regards shake-table tests, with a protocol defined to certify the ceilings for a determined seismic level. This methodology has some shortcomings, including the high cost and the influence of the input chosen on the experimental results. In fact, these tests have the aim to certify the product rather than providing mechanical characteristics of the specimen tested. Moreover, the results obtained with the certification process cannot be extended to similar products or geographic zones with different seismic risk. To overcome these limitations, an innovative experimental setup for monotonic and cyclic testing of suspended ceiling systems was designed, realized and applied. In order to have a complete characterization of suspended ceilings, an initial experimental campaign on inner joints was realized. These components, in fact, performed poorly in past earthquakes. In detail, 'standard' joints were compared to 'seismic' joints, specifically designed to resist to earthquake motion. Real-scale tests were then performed on the most common T-Grid suspended ceilings and other two typologies of metal ceilings with different structure. Moreover, dry-wall suspended ceilings with single and double plasterboard were tested. For each typology one monotonic and one cyclic quasi-static test were performed. Monotonic tests have the aim to identify the yielding parameters and the damage mechanisms and cyclic tests are performed according to the protocol described in FEMA 461 for cyclic quasi-static tests of non-structural components. The results allow to define the performance of suspended ceilings and to elaborate their capacity curves. As concerning the numerical part of the work, a numerical cascading approach was applied to study the uncoupled behaviour of suspended ceilings installed at different levels of buildings. Results from experimental campaign were used as input data for the numerical anlyses. Elastic linear time history analyses were performed on multi-story buildings with different vibration periods and the elastic floor response spectra were defined. Capacity curves defined experimentally and floor spectra were plotted in an ADRS (Acceleration Displacement Response Spectrum) domain in order to assess the seismic demand in terms of acceleration and displacement of suspended ceilings compared to their capacities. Dynamic analyses of suspended ceilings were conduced both in linear and non linear hypothesis and the results compared in order to assess the effectiveness of standard linear, or equivalent linear, static calculations.
Lo scopo della tesi è la valutazione del comportamento sismico di controsoffitti, tramite prove cicliche quasi statiche. La tipologia di prove più comune ad oggi, infatti, riguarda prove su tavole vibrante con un protocollo definito per certificare il prodotto per una certa azione sismica. Queste prove presentano varie limitazioni, tra cui il costo elevato e la stretta correlazione tra risultato e input scelto. Le prove infatti non hanno specifico scopo di ricerca se non l’obiettivo di certificare un prodotto, non forniscono informazioni sulle prestazioni meccaniche dei componenti testati e non permettono di estendere i risultati ottenuti ne su prodotti simili ne in zone geografiche con diverso rischio sismico. È stato quindi progettato un setup di prova innovativo in grado di realizzare prove monotone e cicliche quasi statiche su controsoffitti. Questa tipologia di prove permette di superare le limitazioni dell’attuale procedura sperimentale. Al fine di ottenere una caratterizzazione completa dei controsoffitti, sono stati testati i giunti interni, questi componenti infatti sono risultati danneggiati in seguito a eventi sismici. In particolare, sono stati testati sia giunti ‘standard’ che giunti ‘antisismici’, facenti parte di una particolare linea progettata per resistere all’azione sismica. Sono stati testati a grandezza reale sia controsoffitti con struttura a T (che rappresentano la tipologia più diffusa globalmente), che altri due controsoffitti con diversa sottostruttura metallica, infine le prove hanno riguardato anche controsoffitti con pannelli continui in cartongesso. Per ogni tipologia sono stati eseguite una prova monotona, al fine di individuare i parametri di snervamento e il meccanismo di rottura, e una prova ciclica, seguendo il protocollo indicato nelle FEMA 461 per prove cicliche quasi statiche per componenti non strutturali. I risultati ottenuti hanno permesso di definire la prestazione degli elementi testati e di elaborarne la curva di capacità. Tramite approccio numerico “a cascata”, che permette di eseguire uno studio disaccoppiato dei due elementi, è stato possibile studiare il comportamento dei controsoffitti installati a diversi piani. Sono state realizzate analisi time-history lineari elastiche su edifici multi-piano con diverso periodo di vibrazione e sono stati ricavati gli spettri di risposta al piano. Le curve di capacità dei controsoffitti, definite sperimentalmente, e gli spettri al piano sono stati definiti in un dominio ADRS (Acceleration Displacement Response Domain) al fine di valutare la domanda sismica in termini di spostamento e accellerazione in funzione della capacità dei controsoffitti.
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Sharma, Acharya Shambhu Sagar. "Characterisation of cyclic behaviour of calcite cemented calcareous soils." University of Western Australia. School of Civil and Resource Engineering, 2004. http://theses.library.uwa.edu.au/adt-WU2005.0040.

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[Truncated abstract] Characterising the behaviour of calcareous sediments that possess some degree of bonding between their constituents has attracted worldwide research interest in recent years. Although many recent studies have made significant contributions in delineating the behaviour of these sediments, there is still paucity of information particularly on the cyclic behaviour of cemented calcareous soils. This thesis describes in detail the characteristic features of cemented calcareous soils and proposes methods for characterising their cyclic behaviour. Two different calcareous soils Goodwyn (GW) and Ledge Point (LP) soils representing extreme depositional environments were examined in this study. Artificially cemented sample were created using the CIPS (Calcite Insitu Precipitation Systems) technique, considering its superiority over other most commonly available cementation techniques in replicating the natural pattern of cementation, and the behaviour of natural calcarenite under monotonic loading conditions. The experimental program involved triaxial testing of both uncemented and calcite-cemented calcareous soils under different loading conditions, i.e. isotropic compression tests to high-pressure (16 MPa), monotonic shearing tests, undrained cyclic shearing tests and undrained monotonic post-cyclic shearing tests. Significant emphasis has been placed on the cyclic behaviour of these soils. Internal submersible LDVTs were used for the accurate and continuous measurement of strain down to about 10-5
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Du, Plooy Rudolph. "Characterisation of rigid polyurethane foam reinforced ballast through cyclic loading box tests." Diss., University of Pretoria, 2015. http://hdl.handle.net/2263/57518.

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Train speeds and heavy haul axle loads are constantly increasing the forces and stresses experienced by track structures. This is especially true for track transitions that generate high dynamic forces on both the track and vehicles as a result of differing track stiffness values on either side of the track transition. Reducing differential settlement between the two track structures at a track transition is one method of improving the life of the track and increasing maintenance intervals. Ballast attrition and breakdown at these track transition zones is also of major concern as ballast fouling can lead to reduced drainage performance of the ballast as well as a potential loss of strength as the ballast becomes increasingly fouled. In this study rigid polyurethane foam was used as a means to reinforce ballast. Various tests were conducted using a dynamic load hydraulic load frame in a large ballast box test at heavy haul axle loads. Unreinforced, reinforced and 50 % reinforced ballast layers of 300 mm depth were tested to approximately 5,000,000 load cycles. The results showed that rigid polyurethane foam reinforced ballast exhibited in the order of 60 % less settlement for a fully reinforced layer and 42 % less settlement for a half reinforced layer. The increase in layer stiffness with increasing load cycles was also observed for the reinforced ballast layers which is contrast with the decrease in layer stiffness for conventional unreinforced ballast. The use of rigid polyurethane foam (RPF) to reinforce ballast has a number of benefits which could result in better track geometry and longer maintenance cycles resulting in lower overall costs.
Dissertation (MEng)--University of Pretoria, 2015.
tm2016
Civil Engineering
MEng
Unrestricted
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Mucolli, Gent. "Fuzzy modeling of suction anchor behavior based on cyclic model tests data." Digital WPI, 2016. https://digitalcommons.wpi.edu/etd-theses/1313.

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This paper proposes a novel model that can predict the displacement of suction caisson anchors under monotonic and cyclic loading. Failure is assumed to occur when the accumulative monotonic and cyclic displacement along the load attachment point is over 60% of the diameter of the anchor. The anchors will go through lateral failure when the accumulative monotonic and cyclic displacement along the loading direction at the load attachment point is over 30% of the diameter. Hence, it is important to predict this displacement and therefore determine the expected failure of the anchor. However, it is difficult to predict displacement using the modern software without knowing the material properties of the soil and piles. Hence a new model that relies only on the normalized static load (Fa/Ff), normalized cyclic load (Fcy/Ff ), loading angle (Θ), and the number of cycles (N) is proposed. The inputs for training of the proposed model are (Fa/Ff), (Fcy/Ff), (Θ), (α) and (N). The output of the model will be the displacement normalized by the diameter of the anchor. To generalize the trained model, unused sets of data are used to validate the model. Furthermore, a comparative study is performed to evaluate the effectiveness of the proposed model. It is shown from extensive simulation that the model can accurately predict the normalized displacement of suction caisson anchors.
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Honnette, Taylor R. "Measuring Liquefied Residual Strength Using Full-Scale Shake Table Cyclic Simple Shear Tests." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1998.

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This research consists of full-scale cyclic shake table tests to investigate liquefied residual strength of #2/16 Monterey Sand. A simple shear testing apparatus was mounted to a full-scale one-dimensional shake table to mimic a confined layer of saturated sand subjected to strong ground motions. Testing was performed at the Parson’s Geotechnical and Earthquake Laboratory at California Polytechnic State University, San Luis Obispo. T-bar penetrometer pullout tests were used to measure residual strength of the liquefied soil during cyclic testing. Cone Penetration Testing (CPT) was performed on the soil specimen throughout testing to relate the laboratory specimen to field index test data and to compare CPT results of the #2/16 Monterey sand before and after liquefaction. The generation and dissipation of excess pore pressures during cyclic motion are measured and discussed. The effects of liquefied soil on seismic ground motion are investigated. Measured residual strengths are compared to previous correlations comparing liquefied residual strength ratios and CPT tip resistance.
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Bodzay, Steve J. "Organotin reagents toward the preparation of cyclic disulfides and related compounds." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=72827.

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Babadopulos, Lucas. "Phenomena occurring during cyclic loading and fatigue tests on bituminous materials : Identification and quantification." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSET006/document.

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La fatigue est un des principaux mécanismes de dégradation des chaussées. En laboratoire, la fatigue est simulée en utilisant des essais de chargement cyclique, généralement sans période de repos. L’évolution du module complexe (une propriété du matériau utilisée dans la caractérisation de la rigidité des matériaux viscoélastiques) est suivie de manière à caractériser l’endommagement. Son changement est généralement interprété comme étant dû au dommage, alors que d’autres phénomènes (se distinguant du dommage par leur réversibilité) apparaissent. Des effets transitoires, propres aux matériaux viscoélastiques, apparaissent lors des tout premiers cycles (2 ou 3) et produisent une erreur dans la détermination du module complexe. La non-linéarité (dépendance du module complexe avec le niveau de déformation) est caractérisée par une diminution réversible instantanée du module et une augmentation de l’angle de phase qui est observée avec l’augmentation de l’amplitude de déformation. De plus, pendant le chargement, de l’énergie mécanique est dissipée en raison du caractère visqueux du comportement du matériau. Cette énergie se transforme principalement en chaleur ce qui induit une augmentation de température. Cela produit une diminution de module liée à cet auto-échauffement. Quand le matériau revient à la température initiale, le module initial est alors retrouvé. La partie restante du changement de module peut être expliquée, d’une part par un autre phénomène réversible, appelé dans la littérature « thixotropie », et d’autre part par le dommage « réel », qui est irréversible. Cette thèse explore ces phénomènes dans les bitumes, mastics (bitume mélangé avec des particules fines, dont le diamètre est inférieur à 80μm) et enrobés bitumineux. Un chapitre (sur la nonlinearité) présente des essais de « balayage d’amplitude de déformation » avec augmentation ou/et diminution des amplitudes sont présentés. Un autre se concentre sur l’auto-échauffement. Il comprend une proposition de procédures de modélisation dont les résultats sont comparés avec des résultats des cycles initiaux d’essais de fatigue. Finalement, un chapitre est dédié à l’analyse du module complexe mesuré pendant le chargement et les phases de repos. Des essais de chargement et repos ont été réalisés sur bitume (où le phénomène de thixotropie est supposé avoir lieu) et mastic, de manière à déterminer l’effet de chacun des phénomènes identifiés sur l’évolution du module complexe des matériaux testés. Les résultats de l’étude sur la nonlinearité suggèrent que son effet vient principalement du comportement non linéaire du bitume, qui est déformé de manière très non-homogène dans les enrobés bitumineux. Il est démontré qu’un modèle de calcul thermomécanique simplifié de l’échauffement local, ne considérant aucune diffusion de chaleur, peut expliquer le changement initial de module complexe observé au cours des essais cycliques sur enrobés. Néanmoins, la modélisation de la diffusion de chaleur a démontré que cette diffusion est excessivement rapide. Cela indique que la distribution de l’augmentation de température nécessaire pour expliquer complètement le module complexe observé ne peut pas être atteinte. Un autre phénomène réversible, qui a des effets sur le module complexe similaires à ceux d’un changement de température, doit donc avoir lieu. Ce phénomène est considéré être de la thixotropie. Finalement, à partir des essais de chargement et repos, il est démontré qu’une partie majeure du changement de module complexe au cours des essais cycliques vient des processus réversibles. Le dommage se cumule de manière approximativement linéaire par rapport au nombre de cycles. Le phénomène de thixotropie semble partager la même direction sur l’espace complexe que la nonlinéarité. Cela indique que les deux phénomènes sont possiblement liés par la même origine microstructurelle. Des travaux supplémentaires sur le phénomène de thixotropie sont nécessaires
Fatigue is a main pavement distress. In laboratory, fatigue is simulated using cyclic loading tests, usually without rest periods. Complex modulus (a material stiffness property used in viscoelastic materials characterisation) evolution is monitored, in order to characterise damage evolution. Its change is generally interpreted as damage, whereas other phenomena (distinguishable from damage by their reversibility) occur. Transient effects, proper to viscoelastic materials, occur during the very initial cycles (2 or 3) and induce an error in the measurement of complex modulus. Nonlinearity (strain-dependence of the material’s mechanical behaviour) is characterised by an instantaneous reversible modulus decrease and phase angle increase observed when strain amplitude increases. Moreover, during loading, mechanical energy is dissipated due to the viscous aspect of material behaviour. This energy turns mainly into heat and produces a temperature increase. This produces a modulus decrease due to self-heating. When the material is allowed to cool back to its initial temperature, initial modulus is recovered. The remaining stiffness change can be explained partly by another reversible phenomenon, called in the literature “thixotropy”, and, then, by the “real” damage, which is irreversible. This thesis investigates these phenomena in bitumen, mastic (bitumen mixed with fine particles, whose diameter is smaller than 80μm) and bituminous mixtures. One chapter (on nonlinearity) presents increasing and/or decreasing strain amplitude sweep tests. Another one focuses on selfheating. It includes a proposition of modelling procedures whose results are compared with the initial cycles from fatigue tests. Finally, a chapter is dedicated to the analysis of the measured complex modulus during both loading and rest periods. Loading and rest periods tests were performed on bitumen (where the phenomenon of thixotropy is supposed to happen) and mastic in order to determine the effect of each of the identified phenomena on the complex modulus evolution of the tested materials. Results from the nonlinearity investigation suggest that its effect comes primarily from the nonlinear behaviour of the bitumen, which is very non-homogeneously strained in the bituminous mixtures. It was demonstrated that a simplified thermomechanical model for the calculation of local selfheating (non-uniform temperature increase distribution), considering no heat diffusion, could explain the initial complex modulus change observed during cyclic tests on bituminous mixtures. However, heat diffusion modelling demonstrated that this diffusion is excessively fast. This indicates that the temperature increase distribution necessary to completely explain the observed complex modulus decrease cannot be reached. Another reversible phenomenon, which has effects on complex modulus similar to the ones of a temperature change, needs to occur. That phenomenon is hypothesised as thixotropy. Finally, from the loading and rest periods tests, it was demonstrated that a major part of the complex modulus change during cyclic loading comes from the reversible processes. Damage was xivfound to cumulate in an approximately linear rate with respect to the number of cycles. The thixotropy phenomenon seems to share the same direction in complex space as the one of nonlinearity. This indicates that both phenomena are possibly linked by the same microstructural origin. Further research on the thixotropy phenomenon is needed
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Clayton, Russell Adrian. "Investigation of stabilized Berea Red soil with emphasis on tensile and cyclic triaxial tests." Master's thesis, University of Cape Town, 1989. http://hdl.handle.net/11427/8319.

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This dissertation investigates the soil mechanical properties of a sample of Berea Red soil and the most suitable methods of treatment to improve it. Special attention has been paid to lime stabilization and different curing techniques. Gradings, special indicators and California Bearing Ratios were determined on both natural and lime stabilized Berea Red soil. Consolidometer tests were performed on natural and lime or cement stabilized soil at various densities to establish the compressibility and collapse potential. A computer controlled Indirect Tensile Testing with data logging facilities was developed in apparatus order that some of the soil mechanical properties of Berea Red soil may be determined. Natural and stabilized Berea Red soil was tested in a monotonic and cyclic triaxial apparatus to determine the short and long stress strain characteristics.
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Hassan, Zehtab Kaveh. "An Assessment Of The Dynamic Properties Of Adapazari Soils By Cyclic Direct Simple Shear Tests." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612228/index.pdf.

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Among the hard-hit cities during 17 August 1999 Kocaeli Earthquake (Mw 7.4), Adapazari is known for the prominent role of site conditions in damage distribution. Since the strong ground motion during the event was recorded only on a rock site, it is necessary to estimate the response of alluvium basin before any study on the relationship between the damage and the parameters of ground motion. Therefore, a series of site and laboratory tests were done on Adapazari soils in order to decrease the uncertainty in estimation of their dynamic properties. In downtown Adapazari, a 118 m deep borehole was opened in the vicinity of heavily damaged buildings for sample recovery and in-situ testing. The stiffness of the soils in-situ is first investigated by standard penetration tests (SPT) and by velocity measurements with P-S suspension logging technique. Disturbed samples were recovered by core-barrel and split-barrel samplers. 18 Thin-Walled tubes were successively used for recovering undisturbed samples. A series of monotonic and cyclic direct simple shear tests were done on specimens recovered from the Thin-Walled tubes. It is concluded that the secant shear modulus and damping ratio of soils exposed to severe shaking during the 1999 event are significantly smaller than those estimated by using the empirical relationships in literature. It is also observed that the reversed-S shaped hysteresis loops are typical for cyclic response of the samples.
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Azimikor, Nazli. "Out-of-plane stability of reinforced masonry shear walls under seismic loading : cyclic uniaxial tests." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42113.

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In recent years, widespread application of low-rise masonry construction, including post-disaster buildings like fire halls, has become limited in seismic regions of Canada. This is because the Canadian Masonry Design Standard (CSA S304.1-04) [Canadian Standard Association 2004] mandates stringent requirements on the design of ductile reinforced masonry (RM) shear walls, especially with regard to their height-to-thickness (h/t) ratios, which were restricted to ensure against out-of-plane instability. This failure mechanism has been observed in the end zones of reinforced concrete shear walls loaded in-plane in experimental research and in past earthquakes. However, there is a lack of similar evidence for RM shear walls; this is a motivation for the research program described in this thesis. The research consists of several major tasks. First, a review of the literature on previous experimental research studies on RM shear walls was conducted, followed by comprehensive investigation into the parameters affecting out-of-plane instability of RM shear walls,. Based on the results of this literature review, the first phase of the experimental program was designed with a focus on modeling the RM wall end zone and understanding the mechanism of lateral instability. Five full-scale specimens representing the wall end zones were constructed and subjected to reversed cyclic axial tension and compression until failure. The effect of varying h/t ratios of the plastic hinge zone, as well as level of axial tensile strain on the out-of-plane instability was examined. Based on the results of the experimental study, it was concluded that the level of applied tensile strain in the wall end zone is one of the critical factors governing its lateral instability. Therefore, the maximum tensile strain that may be imposed on a moderately ductile RM wall end-zone is determined based on a kinematic relationship between the axial strain and the out-of-plane displacement. A preliminary mechanic model has been proposed to predict the maximum tensile strain before instability takes place. The model can be incorporated into design provisions related to the thickness of shear walls of a given height. A comparison with the experimental results showed that the model offers conservative prediction of the maximum tensile strain.
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Books on the topic "Cyclic tests"

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Lade, P. Cyclic triaxial tests of the Bootlegger Cove Formation, Anchorage, Alaska. [Washington, D.C.]: U.S. G.P.O., 1988.

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Lade, P. Cyclic triaxial tests of the Bootlegger Cove Formation, Anchorage, Alaska. Washington, DC: Dept. of the Interior, 1988.

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Ahmed, Rafiq. Cyclic loads tests of carbon involute solid rocket motor outer boot ring segments. Huntsville, Ala: Marshall Space Flight Center, 1988.

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Ahmad, Rafiq. Cyclic loads tests of carbon involute solid rocket motor outer boot ring segments. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Division, 1989.

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Molenkamp, F. Numerical simulation of cyclic triaxal tests by means of the constitutive model ALTERNAT. Manchester: University of Manchester, 1989.

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United States. National Aeronautics and Space Administration., ed. Rhenium material properties. [Washington, D.C.]: National Aeronautics and Space Administration, 1995.

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Wilkinson, C. High temperature cyclic behaviour of aerospace materials: room temperature validation tests of Ti-6Al-4V. Neuilly sur Seine, France: AGARD, 1994.

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United States. National Aeronautics and Space Administration., ed. The effect of laser glazing on life of ZrO TBC's in cyclic burner rig tests. [Washington, DC]: National Aeronautics and Space Administration, 1987.

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Mann, J. Y. Influence of hole surface finish, cyclic frequency and spectrum severity on the fatigue behaviour of thick section aluminium alloy pin joints (U). Melbourne, Victoria: Aeronautical Research Laboratory, 1987.

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United States. National Aeronautics and Space Administration., ed. 10,000-hour cyclic oxidation behavior at 982 C (1800 F) of 68 high-temperature Co, Fe-, and Ni-base alloys. [Washington, D.C: National Aeronautics and Space Administration, 1997.

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Book chapters on the topic "Cyclic tests"

1

Fernandes, António Augusto, Abílio M. P. de Jesus, and Renato Natal Jorge. "Simulation of Cyclic Full-Scale Tests." In Monotonic and Ultra-Low-Cycle Fatigue Behaviour of Pipeline Steels, 387–477. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-78096-2_8.

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Aissaoui, Soufyane, Abdeldjalil Zadjaoui, and Philippe Reiffsteck. "Cyclic Tests with a New Pressuremeter Apparatus." In Springer Series in Geomechanics and Geoengineering, 663–67. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97112-4_148.

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Fernandes, António Augusto, Abílio M. P. de Jesus, and Renato Natal Jorge. "Large-Scale Cyclic Tests of Piping Components." In Monotonic and Ultra-Low-Cycle Fatigue Behaviour of Pipeline Steels, 171–271. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-78096-2_5.

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Zeng, Kai-Feng, and Hua-Bei Liu. "Cyclic Simple Shear Tests of Calcareous Sand." In Proceedings of the 4th International Conference on Performance Based Design in Earthquake Geotechnical Engineering (Beijing 2022), 2151–58. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11898-2_198.

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Pilette, Claude F., and Denis Mitchell. "Reversed cyclic loading tests of precast concrete columns." In Earthquake Engineering, edited by Shamim A. Sheikh and S. M. Uzumeri, 615–22. Toronto: University of Toronto Press, 1991. http://dx.doi.org/10.3138/9781487583217-078.

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Baccara, Rim, Wissem Frikha, Philippe Reiffsteck, and Sébastien Burlon. "Cyclic Pressuremeter Tests Dedicated to Study the Behavior of Piles Under Cyclic Transverse Loads." In Recent Advances in Geo-Environmental Engineering, Geomechanics and Geotechnics, and Geohazards, 227–30. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01665-4_53.

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Koseki, Junichi, Job Munene Karimi, Yukika Tsutsumi, Sajjad Maqbool, and Takeshi Sato. "Cyclic Plane Strain Compression Tests on Dense Granular Materials." In Soil Stress-Strain Behavior: Measurement, Modeling and Analysis, 547–55. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6146-2_36.

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Zhang, Chong, Yanshan Lou, Till Clausmeyer, and A. Erman Tekkaya. "Cyclic Loading Tests Based on the In-Plane Torsion Test for Sheet Metal." In Forming the Future, 635–45. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_52.

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Wang, Rui, Pengcheng Fu, Jian-Min Zhang, and Yannis F. Dafalias. "Post-liquefaction Cyclic Shear Strain: Phenomenon and Mechanism." In Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading, 653–56. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22818-7_38.

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Liu, Hongming, and Xuecheng Bian. "One-Dimensional Consolidation Tests and Cyclic Triaxial Tests on Structural Soft Clay in Southeast China." In Lecture Notes in Civil Engineering, 325–29. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2349-6_20.

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Conference papers on the topic "Cyclic tests"

1

Aubeny, Charles Paul, Christophe Gaudin, and Mark Felton Randolph. "Cyclic Tests of Model Pipe in Kaolin." In Offshore Technology Conference. Offshore Technology Conference, 2008. http://dx.doi.org/10.4043/19494-ms.

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Dabholkar, V., S. Chakravarty, J. Najm, and J. Patel. "Cyclic stress tests for full scan circuits." In Proceedings 13th IEEE VLSI Test Symposium. IEEE, 1995. http://dx.doi.org/10.1109/vtest.1995.512622.

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Boccardi, Simone, Carosena Meola, Giovanni Maria Carlomagno, Giorgio Simeoli, Domenico Acierno, and Pietro Russo. "Monitoring thermoplastic composites under cyclic bending tests." In VIII INTERNATIONAL CONFERENCE ON “TIMES OF POLYMERS AND COMPOSITES”: From Aerospace to Nanotechnology. Author(s), 2016. http://dx.doi.org/10.1063/1.4949598.

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Baca, M., Z. Muszynski, J. Rybak, T. Zyrek, and A. Tamrazyan. "Cyclic load tests of driven pile base capacity." In The 2nd International Conference on Engineering Sciences and Technologies. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315393827-123.

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Cheng, Wu-Tung, Grzegorz Mrugalski, Janusz Rajski, Maciej Trawka, and Jerzy Tyszer. "On Cyclic Scan Integrity Tests for EDT-based Compression." In 2019 IEEE 37th VLSI Test Symposium (VTS). IEEE, 2019. http://dx.doi.org/10.1109/vts.2019.8758670.

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Adhikari, Pradip, and Abdolreza Osouli. "Cyclic Triaxial Tests on Crushed Limestone for Base Layers." In Eighth International Conference on Case Histories in Geotechnical Engineering. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482124.027.

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Chen, Fuh-Kuo, Heng-Kuang Tsai, and Shi-Wei Wang. "An experimental device for cyclic tension and compression tests." In NUMISHEET 2014: The 9th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes: Part A Benchmark Problems and Results and Part B General Papers. AIP, 2013. http://dx.doi.org/10.1063/1.4850069.

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Zhang, Zhong, and Xijia Wu. "Low-Cycle Fatigue Life of Continuously Cyclic-Hardening Material." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-15702.

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Abstract A general fatigue life equation is derived by modifying the Tanaka-Mura-Wu dislocation pile-up model for variable strain-amplitude fatigue processes, where the fatigue crack nucleation life is expressed in terms of the root mean square of plastic strain range. Low-cycle fatigue tests were conducted on an austenitic stainless steel. at 400°C and 600°C, the material exhibits continuously cyclic-hardening behaviour. The root mean square of plastic strain ranges is evaluated from the experimental data for each test condition at strain rates ranging from 0.0002/s to 0.02/s. The variable-amplitude Tanaka-Mura-Wu model is found to be in good agreement with the LCF data, which effectively proves Miner’s rule on the stored plastic strain energy basis.
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Preciado, A. M., K. Sorenson, A. Khosravifar, D. Moug, K. Stokoe, F. Menq, and B. Zhang. "Evaluating Cyclic Loading Response of a Low Plasticity Silt with Laboratory and Field Cyclic Loading Tests." In Lifelines 2022. Reston, VA: American Society of Civil Engineers, 2022. http://dx.doi.org/10.1061/9780784484449.010.

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Królewicz, Michał, and Jerzy Kaleta. "Cyclic tests of magnetorheological elastomers with various magnetoactive filler contents." In FATIGUE FAILURE AND FRACTURE MECHANICS XXVI: Proceedings of the XXVI Polish National Conference on Fatigue Failure and Fracture Mechanics. Author(s), 2016. http://dx.doi.org/10.1063/1.4965955.

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Reports on the topic "Cyclic tests"

1

Hodge, S. C., and J. M. Minicucci. Cyclic material properties tests supporting elastic-plastic analysis development. Office of Scientific and Technical Information (OSTI), November 1996. http://dx.doi.org/10.2172/663570.

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Lade, P. V., R. G. Updike, and D. A. Cole. Cyclic triaxial tests of the Bootlegger Cove formation, Anchorage, Alaska. Alaska Division of Geological & Geophysical Surveys, 1985. http://dx.doi.org/10.14509/1123.

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Weaver, Raymond E., and Alfred D. Beitelman. Performance Benchmarking of Coating Systems Evaluated in Cyclic Corrosion Tests. Fort Belvoir, VA: Defense Technical Information Center, November 2001. http://dx.doi.org/10.21236/ada401335.

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Wang, Wei, Michael Brown, Matteo Ciantia, and Yaseen Sharif. DEM simulation of cyclic tests on an offshore screw pile for floating wind. University of Dundee, December 2021. http://dx.doi.org/10.20933/100001231.

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Screw piles need to be upscaled for offshore use e.g. being an alternative foundation and anchor form for offshore floating wind turbines, although the high demand of vertical installation forces could prevent its application if conventional pitch-matched installation is used. Recent studies, using numerical and centrifuge physical tests, indicated that the vertical installation force can be reduced by adopting over-flighting which also improved axial uplift capacity of the screw pile. The current study extends the scope to axial cyclic performance with respect to the installation approach. Using quasi-static discrete element method (DEM) simulation it was found that the over-flighted screw pile showed a lower displacement accumulation rate, compared to a pitch-matched installed pile, in terms of load-controlled cyclic tests. Sensitivity analysis of the setup of the cyclic loading servo shows the maximum velocity during the tests should be limited to avoid significant exaggeration of the pile displacement accumulation but this may lead to very high run durations.
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Taylor, Andrew W., Cynthia Kuo, Kevin Wellenius, and Duke Chung. A summary of cyclic lateral load tests on rectangular reinforced concrete columns. Gaithersburg, MD: National Institute of Standards and Technology, 1997. http://dx.doi.org/10.6028/nist.ir.5984.

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Montgomery, Rose, Jy-An Wang, Hong Wang, Bruce Bevard, Darren Skitt, and Oscar Martinez. Sister Rod Destructive Examinations (FY20), Appendix F: Cyclic Integrated Reversible-Bending Fatigue Tests. Office of Scientific and Technical Information (OSTI), November 2020. http://dx.doi.org/10.2172/1764470.

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Montgomery, Rose, Jy-An Wang, Paul Cantonwine, Yadukrishnan Sasikumar, Hong Wang, Bruce Bevard, Darren Skitt, and Oscar Martinez. Sister Rod Destructive Examinations (FY21) Appendix F: Cyclic Integrated Reversible-Bending Fatigue Tests. Office of Scientific and Technical Information (OSTI), March 2022. http://dx.doi.org/10.2172/1864437.

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Montgomery, Rose, Jy-An Wang, Paul Cantonwine, Yadukrishnan Sasikumar, Hong Wang, Bruce Bevard, Darren Skitt, and Oscar Martinez. Sister Rod Destructive Examinations (FY21) Appendix F: Cyclic Integrated Reversible-Bending Fatigue Tests. Office of Scientific and Technical Information (OSTI), March 2022. http://dx.doi.org/10.2172/1864437.

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Briggs, Nicholas E., Robert Bailey Bond, and Jerome F. Hajjar. Cyclic Behavior of Steel Headed Stud Anchors in Concrete-filled Steel Deck Diaphragms through Push-out Tests. Northeastern University. Department of Civil and Environmental Engineering., February 2023. http://dx.doi.org/10.17760/d20476962.

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Earthquake disasters in the United States account for $6.1 billion of economic losses each year, much of which is directly linked to infrastructure damage. These natural disasters are unpredictable and represent one of the most difficult design problems in regard to constructing resilient infrastructure. Structural floor and roof diaphragms act as the horizontal portion of the lateral force resisting system (LFRS), distributing the seismically derived inertial loads out from the heavy concrete slabs to the vertical LFRS. Composite concrete-filled steel deck floor and roof diaphragms are ubiquitously used in commercial construction worldwide due to the ease of construction and cost-effective use of structural material. This report presents a series of composite steel deck diaphragm Push-out tests at full scale that explore the effect that cyclic loading has on the strength of steel headed stud anchors. The effect that cyclic loading has on structural performance is explored across the variation of material and geometric parameters in the Push-out specimens, such as concrete density, steel headed stud anchor placement and grouping, steel deck orientation, and edge conditions. As compared to prior tests in the literature, the push-out tests conducted in this work have an extended specimen length that includes four rows of studs along the length rather than the typical two rows of studs, and an ability to impose cyclic loading. This provides novel insight into force flows in the specimens, failure mechanisms, and load distribution between studs and stud groups.
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Liu, Muming, and Gang Shi. CYCLIC LOADING TESTS OF DUPLEX STAINLESS STEEL BEAM-TO-COLUMN JOINTS WITH WUF-W CONNECTION. The Hong Kong Institute of Steel Construction, December 2018. http://dx.doi.org/10.18057/icass2018.p.050.

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