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Introduction to the international standard for Load transfer test in prestressed anchorage zone -- Discussion on safety in prestressed anchorage zone V
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(China Academy of Building Research, Beijing 100013)

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TU757

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    Abstract:

    In recent years, the domestic prestressed technical professionals pay more and more attention to the safety of prestressed anchorage area. The design and construction units of railway, highway bridge and special structure, as well as the main production enterprises of anchors, all put the bearing capacity of anchor plate and screw bar in the first place. The evaluation test methods and standards of the bearing capacity of anchoring areas have been formulated and released abroad decades ago, and China has also begun to explore, which is expected to be widely carried out in the near future. This paper collects seven standards from the United Kingdom, the International Prestressed Concrete Association, the European Standardization Committee, the European Technical Certification Organization, the National Highway and Transportation Association of the United States, the American Post-tensioning Society and other organizations, and introduces the load transfer test in the prestressed anchorage zone to the reader. The main contents are: the design of the specimen, the concrete strength requirement during the test, the loading procedure of the specimen, the collection and analysis of the specimen data, etc. I hope it can provide reference for the staff in the same industry to carry out this kind of work.

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Dabin Feng, Xiao Pei, Ying Zhu, Qian Chen, Chengshun Zhou, Li Zeng Introduction to the international standard for Load transfer test in prestressed anchorage zone -- Discussion on safety in prestressed anchorage zone V. Prestress Technology 2014,18(03):3-12. 10.59238/j. pt.2014.03.001

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  • Received:
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  • Online: August 08,2023
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