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Discussion on force and dimension of cast-molded prestressed reinforcement anchor plate -- Discussion on safety of prestressed anchorage zone III
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(China Academy of Building Research, Beijing 100013)

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TU378

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    Abstract:

    In the past two years, China has produced 150 million hole clip anchors every year, and about 20 million cast anchor pads are used every year. It is known that such a large number of anchor plates, most of them have not been approved by good safety calculation and load transfer test, so that the safety degree of prestressed reinforcement anchorage area in the construction and construction projects is uncertain. Project owners, structural designers, anchor manufacturers and industry executives cannot turn a blind eye to this and allow it to continue year after year. The relevant standards and structural design units at home and abroad do not require the anchor production unit to provide the anchor plate design calculation data, but this does not mean that these data are not needed. Where is the anchor plate and screw bar design drawing of anchor plant based? Most of the anchor pads used in the project are not crushed, but there are no cracks in the concrete in the anchoring area, and their safety degree meets the requirements of the code standards? We should still pay attention to the existing problems and try to solve them. This paper is to discuss this.

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Xiao Pei, Ying Zhu, Qian Chen, Chengshun Zhou, Li Zeng Discussion on force and dimension of cast-molded prestressed reinforcement anchor plate -- Discussion on safety of prestressed anchorage zone III. Prestress Technology 2012,16(03):17-24. 10.59238/j. pt.2012.03.005

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  • Online: August 06,2023
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