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人工挖孔灌注桩的孔壁稳定性

STABILITY OF HOLE-WALL IN MANUALLY-EXCAVATED HOLE PILES

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【Author】 LIU Zhi-kui~(1,2), LIANG Jing-cheng~(1,2) , Huang Ying-di~2 (1. College of Geoscience and Environmentl Engineering, Central South University, Changsha 410083, China; 2. Guilin Institute of Technology, Guilin 541004, China)

【机构】中南大学地学与环境工程学院；桂林工学院湖南长沙　410083桂林工学院广西桂林541004；湖南长沙　410083桂林工学院广西桂林541004；广西桂林541004；

【摘要】人工挖孔桩在挖孔后,孔壁周围土体将会产生应力集中。利用弹性理论,推导了孔壁周围土体的应力计算公式,并用莫尔—库仑极限平衡准则对孔壁稳定性进行判别。更多还原

【Abstract】 After construction of manually-excavated hole piles have been finished, the stress concentration in periphery soil of hole-wall will be produced. Based on elastic theory, the stress calculation formula for the periphery soil of hole-wall can be deduced, and hole-wall stability will also be determined by the Mohr-Coulomb Criterion.更多还原

【关键词】人工挖孔桩；稳定性；应力集中；
【Key words】 manually-excavated hole piles； stability； stress concentration；

【文献出处】矿产与地质 ,Mineral Resources and Geology , 编辑部邮箱 ,2003年05期
【分类号】TU473.14
【被引频次】22
【下载频次】176

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