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Journal articles on the topic 'Cast-in anchor'

Author: Grafiati

Published: 11 May 2023

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1

Apriyatno, H., Supriyono, A. Sutarto, and Hanggoro. "Comparison of retrofit failure to pull out single anchor of plain steel and deformed cast inplace and post installed chemical epoxy methods." IOP Conference Series: Earth and Environmental Science 969, no. 1 (2022): 012078. http://dx.doi.org/10.1088/1755-1315/969/1/012078.

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Abstract One of the anchor functions is to connect the construction steel joint to the concrete to transfer the tensile force of steel to concrete. The research aimed to compare the theoretical and experimental adhesive stress and the pullout capacity of plain steel single anchors and deformed cast in place and retrofit post-installed chemical epoxy sika anchor fix-2. The experimental result of the cast in place method of the plain steel anchors to the theoretical increase by 3.657% and deformed steel anchor increased by 50.13%; retrofit post-installed chemical epoxy sika anchor fix-2 method o

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2

Huda, Amirul, and Henry Apriyatno. "Experiment of Pullout Expansion Anchor in Installation Cast in Place and Post Installed with Concrete Breakout Failure." Jurnal Teknik Sipil dan Perencanaan 23, no. 1 (2021): 37–45. http://dx.doi.org/10.15294/jtsp.v23i1.26246.

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Abstract: The use of anchors in construction is gaining popularity to connect steel and concrete constructions, and to transmit tensile loads acting onto the concrete. This research aims to find out the difference in the strength of anchor based on two methods of installations that are cast in place compared to post installed with the influence of effective depth, diameter of anchor and quality of concrete, and failure of concrete breakout. Expansion anchor used in this study is "Sanko" M12x100 and ready-mix concrete PT Bonindo Ungaran, fc 25 MPa with 6 pieces of test specimens of 300x300x150

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3

HALFORD, BETHANY. "PHYSICISTS CAST ANCHOR IN BALTIMORE." Chemical & Engineering News 84, no. 16 (2006): 34–36. http://dx.doi.org/10.1021/cen-v084n016.p034.

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4

Lee, Jong-Han, Eunsoo Choi, and Baik-Soon Cho. "Shear Failure Mode and Concrete Edge Breakout Resistance of Cast-In-Place Anchors in Steel Fiber-Reinforced Normal Strength Concrete." Applied Sciences 10, no. 19 (2020): 6883. http://dx.doi.org/10.3390/app10196883.

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Concrete edge failure of a single anchor in concrete is strongly dependent on the tensile performance of the concrete, which can be greatly improved by the addition of steel fibers. This study investigated the effect of steel fibers on the shear failure mode and edge breakout resistance of anchors installed in steel fiber-reinforced concrete (SFRC) with fiber volume percentages of 0.33, 0.67, and 1.00%. The anchor used in the study was 30 mm in diameter, with an edge distance of 75 mm and embedment depth of 240 mm. In addition to the anchor specimens, beam specimens were prepared to assess the

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5

Nilforoush, Rasoul. "A Refined Model for Predicting Concrete-Related Failure Load of Tension Loaded Cast-in-Place Headed Anchors in Uncracked Concrete." Nordic Concrete Research 60, no. 1 (2019): 105–29. http://dx.doi.org/10.2478/ncr-2019-0091.

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Abstract Current theoretical models for predicting the concrete cone breakout capacity of tension loaded headed anchors do not consider the influence of member thickness, size of anchor head, and orthogonal surface reinforcement. In the present study, the influence of the aforementioned parameters was studied both numerically and experimentally. Both the numerical and experimental results showed that the tensile resistance of headed anchors increases by increasing the member thickness or if orthogonal surface reinforcement is present. In addition, the anchorage capacity further increases with

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6

Foraboschi, Paolo. "Ultimate Shear Force of an Any Anchor Group Post-Installed into Concrete." Materials 16, no. 7 (2023): 2608. http://dx.doi.org/10.3390/ma16072608.

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This paper is devoted to the fastening system that consists of a number of anchors of approximately equal effective embedment depth, called “anchor group”, embedded into hardened concrete, used to transmit forces transverse to the anchors from an attachment to the concrete. The anchor group is far from the edges and is subjected to no more than marginal axial forces. Being post-installed, rather than cast-in, the embedded end of each anchor is not hooked, and no nuts, washers, or plates are attached to the embedded shaft. The paper focuses on the transverse forces that can be transmitted acros

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7

Tusnin, Alexander, and Alexey Kolyago. "The calculation of anchors in steel-concrete overlaps with precast slab." E3S Web of Conferences 97 (2019): 06022. http://dx.doi.org/10.1051/e3sconf/20199706022.

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Reinforced concrete floors and steel beams are widely used in buildings and structures for various purposes. Reinforced concrete overlaps can be cast-in or precast of hollow-core slabs. The most effective floors in which the concrete slab is located in the compressed area of cross-section, in steel beams in the tension zone, and shifting forces, arising between concrete slab and the steel beam, are perceived by anchors. Precast slabs in comparison with cast-in ones have less labor-intensive performance, the beam spacing is equal to the span of reinforced concrete slabs, there are no intermedia

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8

Wen, Lina, Qiangong Cheng, Qiang Cheng, Xifeng Guo, and Bin Zhang. "In Situ Creep Model Testing for the Tunnel Anchor Foundation of Xingkang Suspension Bridge in Luding of China." Advances in Civil Engineering 2020 (September 7, 2020): 1–19. http://dx.doi.org/10.1155/2020/8898777.

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Due to the limitations of geography and geology, cast concrete tunnel anchors were used to provide counterforces for Xingkang Suspension Bridge foundation at the left bank of Daduhe River. In this study, the in situ creep tests were conducted on two model tunnel anchors at a scale of 1:10 near the real working anchor site. Thus, the long-term deformation of the real working tunnel anchors installed at the bridge foundation could be determined from the creep test of model tunnel anchors. The creep tests were conducted under three different loads and lasted for 102.2 h, 167.5 h, and 189.4 h, res

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9

Kresiariati, Novera, and Henry Apriyatno. "EKSPERIMEN KEGAGALAN BREAKOUT CHEMICAL ANCHOR STUD METODE CAST IN PLACE DAN POST INSTALLED DENGAN MODIFIKASI LUBANG DRILL BIT EXTRACTOR." Citizen : Jurnal Ilmiah Multidisiplin Indonesia 2, no. 3 (2022): 403–10. http://dx.doi.org/10.53866/jimi.v2i3.104.

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Anchors are needed to transmit the load to the concrete in strengthening the structure of a building. The anchor is installed in two ways, namely the cast in place method and the post installed method. In the post installed method, given Sika anchorfix-2 adhesive. The study was conducted to determine the type of failure that occurred, the pullout capacity of the anchor implanted on the hef 90 mm, and the average value of the adhesive strength (μ) of the M12 x 160 mm stud anchor on the T beam specimen measuring 390 x 270 x 300 mm as many as three samples. Each method of cast in place, post inst

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10

Apriyatno, Henry, Supriyono Supriyono, and Arie Taveriyanto. "Experimental Study of Pull-Out Failure on Sanko Hammer Drive Anchor Using Cast in Place and Post-Installed Methods on Ready-mix Concrete with Quality of 25 Mpa." Jurnal Teknik Sipil dan Perencanaan 23, no. 1 (2021): 19–28. http://dx.doi.org/10.15294/jtsp.v23i1.28027.

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Abstract: Anchor serves to connect steel and concrete construction that can transfer steel pull-out load to concrete. Sanko hammer drive anchor usually has been available in the model of expansion that can be installed into concrete with cast in place and post installed methods. The experiment was aimed at comparing pull out failures of Sanko hammer drive expansion anchor using cast in place and post installed installation methods based on pull-out failure behavior. Experimental data were obtained from the pull-out strength test of Sanko hammer drive expansion anchor, compressive strength test

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11

Kim, Dong Hyun, Yong Myung Park, Ho Jung Joo, and Moon Ki Kang. "Concrete Breakout Capacity of Cast-in-Place Anchor under Shear Loading." Advanced Materials Research 1065-1069 (December 2014): 1057–60. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1057.

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Since 2001, ACI 319 adopted the CCD equation for the concrete breakout capacity and a modified equation was recently included in 2011. In this study a new equation to predict the concrete breakout capacity of CIP anchor under shear loading was proposed. The equation was derived from multi-variable regression on the test results conducted by the authors and other researchers. It was found that the proposed equation could consistently predict the shear breakout capacity from small to large diameter anchors and edge distances.

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12

Yalanskyi, Anatolii, Ihor Slashchov, Serhii Makeiev, and Anatolii Seleznov. "New technical solutions in the field of protection and fastening of mine workings." IOP Conference Series: Earth and Environmental Science 970, no. 1 (2022): 012015. http://dx.doi.org/10.1088/1755-1315/970/1/012015.

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Abstract The article discusses the features of fastening preparatory workings in difficult geological conditions, which are studied in three directions: improving concrete, arch and anchor fasteners with the consideration of the initial physical and mechanical properties of the rock mass; introduction of steel-polymer anchor; improvement of cast strips designs in combination with arch and anchor fasteners for reuse. Protection methods of mine workings and means of fastening often do not correspond to the peculiarities of the manifestation of rock pressure at the end sections of lavas and in zo

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13

Mahrenholtz, Christoph, and Akanshu Sharma. "Load Capacity of Shallow Embedded Anchor Channels." CivilEng 1, no. 3 (2020): 243–52. http://dx.doi.org/10.3390/civileng1030015.

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Anchor channels are cast in concrete and allow the connection of components using channel bolts. In recent years, the design to value resulted in ever thinner concrete elements, which often cannot accommodate the required embedment depth of standard anchor channels. For this reason, channels may be fitted with short anchors. While existing design provisions allow for the calculation of the tension capacity also for shallow embedded anchor channels, tests are required to determine product-specific parameters for the economic shear loads design. The presented study investigated the performance o

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14

Jeong, Young-Soo, Tae-Ryeon Woo, and Jae-Bong Kim. "Behavior Characteristics of Cast-in Anchor Channel Anchor Shape on Non-structural Members." Journal of the Korean Society for Advanced Composite Structures 11, no. 3 (2020): 46–54. http://dx.doi.org/10.11004/kosacs.2020.11.3.046.

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15

Bahleda, Bujňáková, Koteš, Hasajová, and Nový. "Mechanical Properties of Cast-in Anchor Bolts Manufactured of Reinforcing Tempcore Steel." Materials 12, no. 13 (2019): 2075. http://dx.doi.org/10.3390/ma12132075.

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The tempcore process is implemented in rolling mills to produce high strength reinforcing steel. Besides being used as reinforcement, rebars are also used as the base material for the manufacturing of anchor bolts. The mechanical properties of reinforcement bars used in Europe are assessed in accordance with Eurocode without the recommendations for cast-in anchor bolts. The material properties of Tempcore rebars are not homogenous over the bar cross section. The European Assessment Document (EAD) for the cast-in anchor bolts does not exactly specify the mechanical properties of the thread part

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16

O'Regan, Chris. "Technical Guidance Note Level 2 No. 24: Principles of the design of post-fixed anchors." Structural Engineer 98, no. 2 (2020): 25–27. http://dx.doi.org/10.56330/mhxj9243.

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Post-fixed anchors have been used in one form or another for over 100 years. They are typically needed in refurbishments, or in new-build projects where cast-in fixings are not practical or a late change has occurred. Designing a post-fixed anchor can be a convoluted process, principally due to the number of variables involved when considering its use in any given situation. The anchor itself could be resin-based or mechanical, with this choice guided by the material it is to be fixed into and the required loads. Technical Guidance Note Level 1, No. 29 Post-fix anchors provides an introduction

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17

Ananta, Bastian Dwi, and Henry Apriyatno. "EXPERIMENT ON CHEMICAL ATTACHMENT OF ANCHOR DEFORM DEPTH 110 MM CAST-IN PLACE AND POST-INSTALLED DRILL BIT EXTRACTOR METHOD." Citizen : Jurnal Ilmiah Multidisiplin Indonesia 2, no. 3 (2022): 543–50. http://dx.doi.org/10.53866/jimi.v2i3.107.

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The anchor is one of the steel elements that can withstand the adhesive force against the concrete. The study aims to determine the adhesive strength between the anchor and the concrete through two anchor installation methods: the cast-in-place method with three test objects and post-installed chemical epoxy in two plain hole models with three test objects. And threaded three test specimens using a drill bit extractor Sika Anchorfix-2 chemical epoxy adhesive. Anchor deform model D13 is used with a depth of planting (hef) of 110 mm, which is planted on nine cylinders of 300 x 150 mm with a qual

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18

Sivakumar, V., B. C. O'Kelly, M. R. Madhav, C. Moorhead, and B. Rankin. "Granular anchors under vertical loading – axial pull." Canadian Geotechnical Journal 50, no. 2 (2013): 123–32. http://dx.doi.org/10.1139/cgj-2012-0203.

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Granular anchors are a relatively new concept in ground engineering with relatively little known regarding their load–displacement behaviour, failure modes, ultimate pullout capacity, and also potential applications. A granular anchor consists of three main components: a base plate, tendon, and compacted granular backfill. The tendon is used to transmit the applied load to the base plate, which compresses the granular material to form the anchor. A study of the load–displacement response and ultimate pullout capacity of granular anchors constructed in intact lodgement till and made ground depo

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19

Ciascai, Oana, Tudor Panfil Toader, Călin G. R. Mircea, and Andreea Hegyi. "Cast – in anchor channels used to support curtain wall facades – numerical study of additional anchor reinforcement." MATEC Web of Conferences 361 (2022): 07002. http://dx.doi.org/10.1051/matecconf/202236107002.

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As the architectural trend for ever greater spans for glass framing elements keeps its momentum, we are dealing with larger reaction loads onto the elements connecting these to the concrete slab, respectively onto the anchoring system. Therefore, this numerical study has the scope of researching the use of standard cast-in anchor channels, commonly used to support curtain wall façade systems, that are positioned and cast-in relatively close to the edge of the reinforced concrete slab; as well as researching the evolution of the relationship between the concrete strength, slab thickness, anchor

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20

Al-Mansouri, Omar, Romain Mège, Nicolas Pinoteau, et al. "Design Recommendations for Bonded Anchors under Fire Conditions Using the Resistance Integration Method." Applied Sciences 11, no. 17 (2021): 7810. http://dx.doi.org/10.3390/app11177810.

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Fire design of cast-in place and post-installed anchors in concrete under fire is covered by EN 1992-4, Annex D, allowing steel- and concrete-related failure modes of anchors to be calculated. This informative annex of EN 1992-4 is limited to cast-in place or mechanical anchors, whereas post-installed adhesive anchors remain out of its scope. This paper presents a study of the applicability of the more flexible resistance integration method (RIM), proposed originally for the design of the pull-out resistance of post-installed reinforcement (PIR) by Pinoteau, on bonded anchors in uncracked conc

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21

Kabantsev, Oleg, and Mikhail Kovalev. "Failure Mechanisms and Parameters of Elastoplastic Deformations of Anchorage in a Damaged Concrete Base under Seismic Loading." Buildings 12, no. 1 (2022): 78. http://dx.doi.org/10.3390/buildings12010078.

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The article addresses mechanisms of anchorage failure in a concrete base studied within the framework of physical experiments. The authors investigated the most frequently used types of anchors, such as the cast-in-place and post-installed ones. The anchorages were studied under static and dynamic loading, similar to the seismic type. During the experiments, the post-earthquake condition of a concrete base was simulated. Within the framework of the study, the authors modified the values of such parameters, such as the anchor embedment depth, anchor steel strength, base concrete class, and base

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22

Su, Yusheng. "Evaluation of the Load-Bearing Capacities of Cast-In Anchor Channels." Practice Periodical on Structural Design and Construction 21, no. 4 (2016): 06016001. http://dx.doi.org/10.1061/(asce)sc.1943-5576.0000296.

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23

Ashkinadze, Konstantin. "A practical method of design of concrete pedestals for columns for anchor rod tension breakout." Canadian Journal of Civil Engineering 37, no. 12 (2010): 1641–45. http://dx.doi.org/10.1139/l10-103.

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This technical note considers concrete pedestals bearing steel and concrete columns attached to the foundation with cast-in anchor rods. One mechanism of pedestal failure — the anchor rod breakout in tension — is considered. Uplift and shear forces and bending moments in the base cause tension in the anchor rods. Classical methods of statics and finite element analysis (FEA) are applicable to establish the anchor likely to fail first. For the design of the anchor rod embedment in the concrete, the new “cone balancing” method is proposed. It considers equilibrium of the pullout cone of concrete

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24

Bui, T. T., A. Limam, W. S. A. Nana, B. Arrieta, and T. Roure. "Cast-in-place Headed Anchor Groups Under Shear: Experimental and Numerical Modelling." Structures 14 (June 2018): 178–96. http://dx.doi.org/10.1016/j.istruc.2018.03.008.

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25

Liu, Yuqi, Quandong Xiao, and Xingwen Yin. "Seismic Performance of a New Slurry-Anchored Connected Precast Concrete Shear Walls with Vertical Reinforcement." Geofluids 2022 (April 21, 2022): 1–15. http://dx.doi.org/10.1155/2022/5924648.

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The effectiveness of joint connection mode of PC shear wall structure directly determines the integrity and seismic performance of the structure. In this paper, a new type of grout-anchor connection of PC shear wall with closed stirrup constraint is proposed. For the investigation of the seismic performance of these shear walls, one cast-in-place shear wall specimen and two new slurry-anchored lap PC shear wall specimens were subjected to quasistatic test. The experimental results were verified and parametrically analyzed using the ABAQUS software. The test results showed that the slurry-ancho

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26

Chhetri, Sandip, and Rachel A. Chicchi. "Analytical Investigation of Tension Loaded Deformed Rebar Anchors in Concrete." CivilEng 2, no. 2 (2021): 442–58. http://dx.doi.org/10.3390/civileng2020025.

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Experimental testing of deformed rebar anchors (DRAs) has not been performed extensively, so there is limited test data to understand their failure behavior. This study aims to expand upon these limited tests and understand the behavior of these anchors, when loaded in tension. Analytical benchmark models were created using available test data and a parametric study of deformed rebar anchors was performed. Anchor diameter, spacing, embedment, and number of anchors were varied for a total of 49 concrete breakout simulations. The different failure modes of anchors were predicted analytically, wh

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27

Farbák, Matúš, Jozef Jošt, Richard Hlinka, and Miroslav Rosmanit. "Numerical Analysis of the Load-Displacement Behaviour of Cast-in-Place Progressive Anchorage in Reinforced Concrete Members." Applied Sciences 11, no. 5 (2021): 2343. http://dx.doi.org/10.3390/app11052343.

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Modern construction requirements for building structures are currently focused on reducing the time required for construction, dealing with the lack of qualified human resources and ensuring comprehensive construction work quality. The problems mentioned above of today’s construction industry are significantly reduced by modern prefabrication and the efficient use of the most common building materials—steel and concrete. Critical components of such construction systems are their joints. Currently, there are many different types of joints of precast concrete structural elements. Integral parts

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28

Huang, Yebin, and Yihong Tang. "Construction Design of Prestressed Cast in place Piles for Transmission Line Engineering in Plateau Areas." Academic Journal of Science and Technology 4, no. 2 (2023): 121–24. http://dx.doi.org/10.54097/ajst.v4i2.4120.

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With the growth of urban construction, the excavation depth of foundation pit construction is getting deeper and deeper. Adding soil anchor to cast-in-place pile is one of the most effective methods for deep foundation pit support. And the construction quality of cast-in-place pile and soil anchor directly affects the subsequent construction and the safety of buildings. As an important pile type, pile foundation often has some quality problems such as pile position deviation, excessive sediment, concrete segregation, mud inclusion, broken pile and so on. Therefore, in the construction, it is n

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29

R Shyagali, Tarulatha, Tanvee Tiwari, Abhishek Gupta, et al. "Delaying Premolar Extraction for Conservation of Anchorage: A Prospective Case Control Study." Orthodontic Journal of Nepal 9, no. 2 (2019): 47–51. http://dx.doi.org/10.3126/ojn.v9i2.28414.

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Introduction: Anchor loss (AL) is the most common side effect of orthodontic treatment. Anchorage planning is the vital step of every orthodontic treatment. The aim of this study was to evaluate the amount of anchor loss of maxillary first permanent molar in early v/s delayed premolar extraction cases treated using fixed orthodontic mechanotherapy. Materials & Method: Sixty orthodontic patients, having either Class I or Class II Division 1 malocclusion with no or minimal crowding were divided equally into early extraction and the delayed extraction group (30 each). The patients were

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30

Fröhlich, Thilo, and Dieter Lotze. "Testing and Evaluation of Anchor Channels under Fatigue Loading." CivilEng 2, no. 1 (2020): 1–13. http://dx.doi.org/10.3390/civileng2010001.

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Cast-in anchor channels are used to connect steel components to concrete structures e.g., for elevators, cranes or machines, where repeated load cycles require verification against fatigue failure. The fatigue resistance of anchor channels may be determined by tests according to the interactive method, which provides a complete description of the S/N curve from one to infinite load cycles according to the current assessment document. This procedure differs from conventional fatigue concepts, which do not consider loads that are part of low cycle fatigue, but also question the general existence

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31

Spyridis, Panagiotis, and Nikolaos Mellios. "Tensile Performance of Headed Anchors in Steel Fiber Reinforced and Conventional Concrete in Uncracked and Cracked State." Materials 15, no. 5 (2022): 1886. http://dx.doi.org/10.3390/ma15051886.

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Steel fiber reinforced concrete (SFRC) is currently the material of choice for a broad range of structural components. Through the use of SFRC, the entire, or a large portion of, conventional rebar reinforcement can be replaced, in order to improve the load-bearing behavior but also the serviceability and durability characteristics of engineering structures. The use of fiber reinforcement therefore plays a vital role in acute current and future construction industry objectives, these being a simultaneous increase in the service life of structures and the reduction of their environmental impact

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32

Lozekoot, Pieter Willem Johannes, Juul Jeanne Wilhelmus Tegels, Raoul van Vugt, and Erik Robert de Loos. "Bone suture anchor repair and functional outcome of a triceps tendon rupture, a rare clinical entity." BMJ Case Reports 14, no. 7 (2021): e241773. http://dx.doi.org/10.1136/bcr-2021-241773.

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Triceps tendon rupture is rare and easily missed on presentation. A 58-year-old man was seen in our accident and emergency department with an inability to extend his right elbow against gravity after he fell. Ultrasound and MRI confirmed the suspected diagnosis of a traumatic triceps tendon rupture and excluded additional injuries. Surgical repair was carried out by a bone anchor suture reinsertion of the tendon to the olecranon. After 2 weeks of cast immobilisation, an early active range of motion (ROM) rehabilitation schedule was followed, resulting in excellent elbow function at 12 weeks po

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33

Coulton, Barbara. "‘Casting Anchor in the Harbour of Religion’: The Peregrination of Humfrey Leech (1571–1629)." Recusant History 28, no. 1 (2006): 55–74. http://dx.doi.org/10.1017/s0034193200011055.

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The title of this paper is taken from a work written in 434 A.D.: the Commonitorium of Vincent of Lerins. Leech considered this a ‘golden book’; we will see later the significance of Vincent for Leech, while Leech's life will perhaps illuminate his own age. Calling himself ‘Peregrinus’, Vincent wrote: ‘whereas I was at one time involved in the manifold and deplorable tempests of secular warfare, I have now at length, under Christ's auspices, cast anchor in the harbour of religion’. His aim was to pass on the teaching of the Fathers and to give guidance ‘for distinguishing the truth of the cath

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34

Mahrenholtz, C., M. Ayoubi, S. Müller, and S. Bachschmid. "Tension and shear performance of anchor channels with channel bolts cast in Fibre Reinforced Concrete (FRC)." IOP Conference Series: Materials Science and Engineering 615 (October 15, 2019): 012089. http://dx.doi.org/10.1088/1757-899x/615/1/012089.

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35

Xu, L. H., Q. L. Wang, M. Yu, et al. "Experimental Study on Seismic Behavior of Cluster-Reinforced Precast Concrete Columns with Grouting-Anchor Connections." Journal of Earthquake and Tsunami 13, no. 03n04 (2019): 1940007. http://dx.doi.org/10.1142/s1793431119400074.

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The prefabricated residential buildings have become one of the most dominating construction methods in the modern construction industry. The seismic behavior of prefabricated components is crucial in the limit state design of the precast structure. This paper investigates the seismic behavior of a new type precast concrete column that has clustered steel reinforcement with grouting connection. Quasi-static tests are carried out on three cast-in-situ columns and seven precast columns. Axial compression ratio, lap length and lap space are the main variables considered. The failure process, hyste

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36

Shafei, Erfan, and Saeed Tariverdilo. "Seismic pullout behavior of cast-in-place anchor bolts embedded in plain concrete: Damage plasticity based analysis." Structures 34 (December 2021): 479–86. http://dx.doi.org/10.1016/j.istruc.2021.07.085.

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37

HASHIMOTO, Jun, and Katsuki TAKIGUCHI. "EXPERIMENTAL STUDY ON PULL-OUT BEHAVIOR OF CAST-IN-PLACE ANCHOR BOLT IN CONCRETE UNDER HIGH TEMPERATURE." Journal of Structural and Construction Engineering (Transactions of AIJ) 68, no. 568 (2003): 123–29. http://dx.doi.org/10.3130/aijs.68.123_2.

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TAKIGUCHI, Katsuki, and Jun HASHIMOTO. "FUNDAMENTAL STUDY ON PULL-OUT STRENGTH OF CAST-IN-PLACE ANCHOR BOLT IN CONCRETE SUBJECTED TO HIGH TEMPERATURE." Journal of Structural and Construction Engineering (Transactions of AIJ) 68, no. 563 (2003): 131–37. http://dx.doi.org/10.3130/aijs.68.131_1.

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39

Qian, Zeng-zhen, Xian-long Lu, and Ming-qiang Sheng. "Experimental Investigation of the Tensile Capacity for Anchor Groups with Different Spacing Between Cast-in-Place Headed Anchors of High Strength and Deep Embedment." Arabian Journal for Science and Engineering 44, no. 5 (2018): 4745–55. http://dx.doi.org/10.1007/s13369-018-3548-9.

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40

Cui, Zhen, Qimin Li, and Jian Wang. "MECHANICAL PERFORMANCE OF COMPOSITE RETAINING AND PROTECTION STRUCTURE FOR SUPER LARGE AND DEEP FOUNDATION EXCAVATIONS." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 25, no. 5 (2019): 431–40. http://dx.doi.org/10.3846/jcem.2019.9873.

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The reliable retaining methods and a good stress system are the key to the success of super large and deep excavation engineering. In this paper, the deepest foundation pit in Hainan province is taken as an example. The method of mutual verification between in-situ monitoring and numerical simulation is adopted. The mechanical performance of composite retaining structure composed of reinforced concrete cast-in-situ soldier pile wall, diaphragm wall and prestressed anchor cable are studied. The interaction between the reinforced concrete cast-in-situ pile retaining structure at the upper part a

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Jang, J. B., and Y. P. Suh. "The experimental investigation of a crack's influence on the concrete breakout strength of a cast-in-place anchor." Nuclear Engineering and Design 236, no. 9 (2006): 948–53. http://dx.doi.org/10.1016/j.nucengdes.2005.09.018.

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Gavrilă, Tudor Mihai, Emanuel Antoneac, Cristea Vlad, and Stefan Cristea. "Open reduction of an old and unreduced posterior elbow dislocation." Journal of Clinical and Investigative Surgery 6, no. 2 (2021): 166–69. http://dx.doi.org/10.25083/2559.5555/6.2.14.

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The old unreduced elbow dislocation is not very frequent, but when it is found, it is a challenge for every surgeon. We present a case of 65 years old man who came to the hospital with a dislocated elbow. After the first attempt to reduce, the elbow was mobilized in sling for 2 weeks, but during a small effort, the joint dislocated again. Another two orthopedic reduction were tried, followed by cast immobilization, but the elbow dislocated again. The patient presented in our service after two months from the injury with stiff joint in a vicious position. On imagistic examinations (Rx, CT, MRI)

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Schmidt, Jacob Wittrup, John Dalsgaard Sørensen, and Christian Overgaard Christensen. "In Situ Concrete Bridge Strengthening Using Ductile Activated NSMR CFRP System." Buildings 12, no. 12 (2022): 2244. http://dx.doi.org/10.3390/buildings12122244.

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Novel and complex structural solutions are often challenging to introduce in the building industry since they may provide unconventional and less verified behavior combined with several novel and unique failure modes. A desired safety level may be difficult to verify due to the lack of knowledge related to failure modes and their variation. This study introduces a method that may provide a first step toward addressing such challenges. Five laboratory tests were done on a novel ductile response-controlled anchor system used for prestressed CFRP NSMR strengthening. These results were used as a b

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Haidar, Haidar H., Faten I. Mussa, Abbas O. Dawood, Ahmed A. Ghazi, and Rassel A. Gabbar. "Experimental Study of Post Installed Rebar Anchor Systems for Concrete Structure." Civil and Environmental Engineering 16, no. 2 (2020): 308–19. http://dx.doi.org/10.2478/cee-2020-0031.

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AbstractThis study investigated the effectiveness of several types of adhesives used in post-installed rebar connections as a bonding agent between steel reinforcement bars and old concrete under pull out test. The experimental samples were; cylindrical samples of (150 mm dia. × 300 mm high) with anchors rebar of varying diameter (12 and 16 mm), different embedded length (100 and 150) mm with different holes’ diameters. The strategy of control were cast-in-place rebar concrete specimens while other samples are post-installed rebar concrete specimens of varied chemical adhesives as bonding agen

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Liu, Shi Ming, Zu Lin Yang, and Hui Zhao. "Rhombus Cradle System Checking Computation of Jinqinggang Bridge." Applied Mechanics and Materials 238 (November 2012): 689–93. http://dx.doi.org/10.4028/www.scientific.net/amm.238.689.

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In order to be sure the safety of rhombus cradle system during the concretes cantilever cast-in-place construction, the paper makes use of probabilistic limit state method, and carries out the checking computation. According to the rhombus cradle design drawings of the Jinqinggang bridge and the actual load case, the analytical model is founded through the finite element analysis software MIDAS/CIVIL. The results show that stress of all parts of the rhombus cradle system and the concrete local pressure stress is less than the corresponding material design value, and the safety factor of anchor

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Li, Lian Xiang, Ming Gong, and Ying Jie Zheng. "Monitor and Analysis of the Foundation Pit Combination Support of Jinan West Railway Station Ground." Applied Mechanics and Materials 351-352 (August 2013): 1207–16. http://dx.doi.org/10.4028/www.scientific.net/amm.351-352.1207.

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The foundation pit of Jinan West Railway Station Ground is vast in area and large in Excavating depth and closely adjacent to the high-speed railway buildings and subgrade, therefore the foundation pits deformation is strictly controlled. The foundation pit supporting design applies a comprehensive mode by combing soil nailing wall, compound soil nailing wall and bored cast-in-situ piles with anchor cables. Monitoring has been carried out on internal force of side slope and supporting structure throughout the excavation of foundation pit, so detailed monitoring data have been acquired. It has

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Beutel, Bryan G., and Eitan Melamed. "Repair of Chronic Concomitant Avulsion Fractures of the Extensor Carpi Radialis Longus and Brevis." Journal of Hand Surgery (Asian-Pacific Volume) 24, no. 01 (2019): 100–104. http://dx.doi.org/10.1142/s2424835519720044.

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Combined simultaneous radial wrist extensor injuries, namely ipsilateral extensor carpi radialis longus (ECRL) and brevis (ECRB) avulsion fractures, are rare. While non-operative management with cast immobilization has been described, most recommend operative intervention in the acute setting. Surgical repair of chronic injuries, however, has received little attention in the literature. This case describes a 50-year-old male who sustained combined ipsilateral ECRL and ECRB avulsion fractures from the bases of the index and middle metacarpals. Five months after the initial trauma, he underwent

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Fan, Junwei, Shijiao Yang, Bo Deng, Bing Sun, and Taoying Liu. "A New Technique of Lattice Beam Construction with Pre-Anchoring for Strengthening Cut Slope: A Numerical Analysis of Temporary Stability during Excavation." Buildings 12, no. 11 (2022): 1930. http://dx.doi.org/10.3390/buildings12111930.

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In consideration of the temporary stability of the cutting slope during construction and its permanent stability under long-term service, a new technique of lattice beam construction with anchors pre-set in the slope from the original ground surface before cutting was proposed, and its construction process was briefly introduced. Compared with the model without pre-set anchors, the effectiveness of pre-setting anchors to strengthen the cutting slope during multi-excavation was verified in the numerical software FLAC3D. Various factors such as the factor of safety (FOS) and the maximum shear st

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Stanu, Gusti Ngurah Putra, I. Gusti Ngurah Wien Aryana, Ivander Purvance, and Ni Made Puspa Dewi Astawa. "Reconstruction with interference screw of ruptured distal biceps brachii tendon at level of insertion into radial tuberosity: a case report." International Journal of Research in Medical Sciences 8, no. 3 (2020): 1163. http://dx.doi.org/10.18203/2320-6012.ijrms20200799.

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Distal biceps tendon rupture is a relatively rare injury. The incidence of distal biceps rupture is 1.2 cases per 100,000 patients per year, with the average age is 47 years old and the majority is male patient with dominant extremity. A 43 years old male presented with pain of the left elbow and weakness to flex and supinate the forearm following gymnastic activity. He heard pop sound on his left elbow during lifting dumbbell and followed by a sudden pain on his arm and weakness to flex and supinate the elbow. The USG examination were performed and confirmed there was a rupture on the distal

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Nilforoush, Rasoul, Martin Nilsson, and Lennart Elfgren. "Experimental evaluation of tensile behaviour of single cast-in-place anchor bolts in plain and steel fibre-reinforced normal- and high-strength concrete." Engineering Structures 147 (September 2017): 195–206. http://dx.doi.org/10.1016/j.engstruct.2017.05.062.

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