Overstretch Unloading Method of Pre-stressed Anchor Ropes
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摘要: 结合工程实例,介绍了采用超张拉消除锚索预应力的方法,分析了加载—卸载—再加载的作用过程对锚索效果的影响,并通过比较锚索预紧和张拉的结果以及监测锚索的工作效果,说明这种超张拉卸荷方法的可行性以及有一定的使用价值。Abstract: Combining practical engineering example, the method of unloading the anchor ropes pre-stress through overstretch is reviewed, and the influence of anchor ropes working effected by the loading-unloading-reloading function process is analyzed.Based on contrasting the results of pretighten and stretch, and monitoring the work of anchor ropes, the feasibility of the overstretch unloading method is illustrated.
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Key words:
- pre-stressed /
- overstretch /
- unloading /
- anchor ropes /
- monitoring
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