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土层锚杆预应力损失原因分析与补偿对策研究
引用本文:任新见,张胜民,李世民.土层锚杆预应力损失原因分析与补偿对策研究[J].预应力技术,2008,12(4):24-26.
作者姓名:任新见  张胜民  李世民
作者单位:黄河水利技术研究所,河南洛阳471023
摘    要:阐述了预应力锚杆的加固机理,对土层锚杆的预应力损失原因进行分析。基于工程实践和土工试验,提出了相应的预应力损失补偿对策,并深入剖析了其中的理论依据。

关 键 词:土层锚杆  土体蠕变  冲击作用  二次张拉

Analysis of the Causes of Prestress Loss in Soil Anchors and Research on Compensation Measures
Ren Xinjian,Zhang Shengmin,Li Shimin.Analysis of the Causes of Prestress Loss in Soil Anchors and Research on Compensation Measures[J].Prestress Technology,2008,12(4):24-26.
Authors:Ren Xinjian  Zhang Shengmin  Li Shimin
Affiliation:Yellow River Water Conservancy Technology Research Institute
Abstract:The reinforcement mechanism of prestressed anchor rods was elaborated, and the reasons for the loss of prestress in soil anchor rods were analyzed. Based on engineering practice and geotechnical tests, corresponding measures for compensating prestress losses have been proposed, and the theoretical basis has been thoroughly analyzed
Keywords:Soil anchor rod  soil creep  impact action  secondary tensioning
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