中外桩基竖向抗压静载试验标准对比概述

Brief comparative study on the loading tests between Chinese standards and foreign standards

我国行业标准和英、美及香港规范在灌注桩竖向抗压静载试验的荷载、反力方式、荷载和位移测量精确度、测量方式、沉降稳定标准、极限承载力判定等方面都存在诸多差异。本文较为详细地介绍了国外主要基桩载荷试验规范的要求,通过初步对比分析,认为境外规范有些方面值得我们深入研究和借鉴,比如加载方式、测量方法和仪器设备要求等。部分国外标准在试验安全、数据分析方面也值得国内学习。

There are lots of differences in the static compressive loading test standards on bored piles between the Chinese mainland standards and the Hong Kong and aboard standards,including testing load,counterweight,load measurement,displacement monitoring,loading procedure and result interpretation. A comprehensive introduction is presented after an in-depth comparison. It is found that there are many aspects worthy to be studied further,such as the loading procedure,acceptance criteria,load and displacement monitoring etc. Some provisions in the abroad standards could also be referred by Chinese standard such as the safety requirement,data interpretation and reporting.