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软岩地基嵌岩灌注桩承载力自平衡测试研究
引用本文:黄志忠.软岩地基嵌岩灌注桩承载力自平衡测试研究[J].铁道科学与工程学报,2011,8(1):63-66.
作者姓名:黄志忠
作者单位:郴州市建设工程质量安全监督管理站,湖南,郴州,423000;中南大学土木建筑学院,湖南,长沙,410075
摘    要:桩承载力自平衡试验方法是大吨位承载力和困难地段桩基静载试验的一种新的检测技术.介绍了这种试验方法在东莞某桥梁大吨位软岩地基嵌岩灌注桩的静载测试,对试验成果进行了分析,研究了钻孔嵌岩灌注桩随着荷载加大、桩端沉碴持续压缩增强的受力变形特性.

关 键 词:嵌岩灌注桩  承载力  自平衡试验桩法  荷载-沉降关系

Ultimate bearing capacity reserch of the rock-socketed cast-in-place pile in soft rock with self-balanced load test method
HUANG Zhi-zhong.Ultimate bearing capacity reserch of the rock-socketed cast-in-place pile in soft rock with self-balanced load test method[J].Journal of Railway Science and Engineering,2011,8(1):63-66.
Authors:HUANG Zhi-zhong
Affiliation:HUANG Zhi-zhong1,2(1.Chenzhou Construction Engineering Quality and Security Administration,Chenzhou 423000,China,2.School of Civil Engineering and Architecture,Central South University,Changsha 410075,China)
Abstract:Self-balanced load test method is a new developped technology of static-load test of pile which is used to test the ultimate bearing capacity of heavy-loaded pile and the ultimate bearing capacity of the pile in the place where normal method is unsuitable.Take a rock-socketed cast-in-place pile of a certain bridge in Dongguang as an example,this paper introduced self-balanced load test method of testing the ultimate bearing capacity of the pile.The testing result show the deformation property of the pile wi...
Keywords:rock-socketed  cast-in-place pile  ultimate bearing capacity  self-balanced load test method  load-settlement relation  
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