李顺利.自平衡法在灌注桩承载力检测中的应用及其有关问题[J].地质找矿论丛,2015,30(1):151-155
自平衡法在灌注桩承载力检测中的应用及其有关问题
Application of self-balanced method to bearing capacity test of grouting pile and the existing problem
投稿时间:2014-09-05  修订日期:2015-01-19
DOI:10.6053/j.issn.1001-1412.2015.01.022
中文关键词:  自平衡法  灌注桩阻截力  荷载箱  试验原理  试验方法
英文关键词:self-balanced method  blocking force of grouting pile  load cell  test principles  test method
基金项目:
作者单位
李顺利 首钢地质勘查院北京金地通检测技术中心, 北京 100144 
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中文摘要:
      自平衡法是基于静载荷试验发展而来的建筑桩基检测方法,它可以快速检测隐蔽桩体的极限承载力。文章阐述了自平衡法测桩技术,并通过工程实例,论述了试验桩现场自平衡法实测效果,同时与预估极限承载力进行比较,分析了自平衡法测桩技术中荷载箱位置的设置对于桩基极限承载力的影响。文章还对自平衡法检测应用中需要注意的问题进行了说明。
英文摘要:
      Self-balance method for construction pile test is developed from the static load testing. This paper introduces technologies concerned with the method. A real project is taken as an example to illustrate the result of the method. The result is compared to that of the pre-estimation ultimate bearing capacity and is analyzed the influence of load cell location on test results of ultimate bearing capacity of piles. In addition, explanation is made to problems that should be paid attention to during operation of self-balance method.
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