预应力锚索锚固段钢绞线应力分布研究
投稿时间:2013-06-25  修订日期:2013-06-25  点此下载全文
引用本文:王全成,杨栋,严君凤.预应力锚索锚固段钢绞线应力分布研究[J].钻探工程,2013,40(7):16-18.
WANG Quan-cheng,YANG Dong,YAN Jun-feng. Study on Stress Distribution of Steel Strand for Anchoring Section of Pre-stressed Anchor Cable[J]. Drilling Engineering, 2013,40(7):16-18.
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作者单位E-mail
王全成* 中国地质科学院探矿工艺研究所 1111111@11.com 
杨栋 中国地质科学院探矿工艺研究所  
严君凤 中国地质科学院探矿工艺研究所  
基金项目:中国地质调查局地质大调查项目“西部复杂山体滑坡快速加固技术研究”(1212011014023)
中文摘要:使用磁通量传感器对拉力集中型预应力锚索锚固段钢绞线应力分布进行研究,分析了预应力锚索锚固段钢绞线应力传递和分布的规律;结合长期监测,分析了锚固段钢绞线应力损失情况以及张拉锁定前后锚固段钢绞线应力分布调整的规律。研究应用表明,磁通量传感器技术可作为锚索基本试验等各种试验中钢绞线应力分布检测的一种有效的方法。
中文关键词:预应力锚索  锚固段  钢绞线  应力分布  磁通量传感器技术
 
Study on Stress Distribution of Steel Strand for Anchoring Section of Pre-stressed Anchor Cable
Abstract:The paper introduces the study on stress distribution of steel strand in anchoring section of concentrated tension pre-stressed anchor cable by magnetic flux sensor, the stress transfer and distribution of steel strand in anchoring section are analyzed. Combined with long-term monitoring, the steel strand stress loss in anchoring section and the laws of stress distribution adjustment of steel strand in anchoring section before and after stretch locking are analyzed. The study and the application show that magnetic flux sensor technology can be an effective method for basic cable test and steel strand stress distribution detection in other tests.
keywords:pre-stressed anchor cable  anchoring section  steel strand  stress distribution  magnetic flux sensor
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