自平衡试桩法极限承载力不同计算方法计算结果的对比分析  

Comparative Analysis of Calculation Results of Ultimate Bearing Capacity of Pile Self-Balanced Load Test According to Different Calculation Methods

作　　者：程宝辉[1] 

机构地区：[1]中铁大桥局集团桥科院有限公司,湖北武汉430034

出　　处：《桥梁建设》2009年第2期23-26,共4页Bridge Construction

摘　　要：自平衡试桩法极限承载力计算方法有简化计算方法和精确转换法,2种计算方法的基本原理、本构关系及求解过程均有所不同,其适用条件也不同。但在实际工程中,很多检测者均不加分析地采用简化计算方法,很可能带来极限承载力的误判、错判。因此,进一步对比分析2种方法计算结果的差异,对自平衡试桩法极限承载力的正确评判有着重要的意义。There are simplified calculation method and precise conversion method for calculation of the ultimate bearing capacity of the pile self-balanced load test method. The basic principles, constitutive relations and solving processes of the two kinds of the calculation methods are somewhat different and the applicable conditions of the methods are accordingly not the complete same. In the practical work, lots of testers will tend to use the simplified calculation method without necessary analysis, which will possibly result in the error or even wrong judgment of the ultimate bearing capacity. In such case, the further comparative analysis of the calculation result differences by the two kinds of the methods is of vital importance to the correct judgment of the ultimate bearing capacity.

关 键 词：自平衡试桩法 极限承载力 精确转换法 简化计算方法 

分 类 号：U443.15[建筑科学—桥梁与隧道工程]