| 后张法预应力箱梁夹片式锚具锚固失效因素探讨 |
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| 引用本文： | 康国芳. 后张法预应力箱梁夹片式锚具锚固失效因素探讨[J]. 预应力技术, 2010, 14(1): 28-29 |
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| 作者姓名： | 康国芳 |
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| 作者单位： | 中铁十六局集团路桥有限公司,北京密云101500 |
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| 摘 要： | 预应力施加后夹片式锚具有效锚固是后张预应力箱梁结构质量的最终体现。本文从钢绞线的力学性能、孔道位置线型、锚具质量精度、张拉控制程序等多方面探讨了锚固失效的原因。提出了相应的处理措施，以期为实际施工提供指导。
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| 关 键 词： | 夹片式扁锚 有效锚固 失效因素 |
Anchoring failure factors of post-tensioned prestressed box girder with clip anchors |
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| Guofang Kang. Anchoring failure factors of post-tensioned prestressed box girder with clip anchors[J]. Prestress Technology, 2010, 14(1): 28-29 |
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| Authors: | Guofang Kang |
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| Affiliation: | China Railway 16th Bureau Group Road and Bridge Co., LTD. Beijing Miyun 101500 |
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| Abstract: | The effective anchorage of the clip anchorage after prestressing is the ultimate embodiment of the structural quality of the post-tensioned prestressed box girder. In this paper, the reasons of anchoring failure are discussed from many aspects, such as mechanical properties of steel strand, position profile of hole, quality accuracy of anchor and tension control program. The corresponding treatment measures are put forward in order to provide guidance for the actual construction. |
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| Keywords: | Clip type flat anchor Effective anchorage Failure factor |
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