【摘要】 本文介绍对比了三个建筑基桩质量钻芯法检测的行业和地方技术标准各自的主要内容和特点,探讨了钻芯法的检测程序、基桩持力层检测深度、桩身混凝土强度代表值确定方法和桩身混凝土破碎段容许值的合理取值等问题,并提出了相应的修改建议。更多还原

【Abstract】 The main contents and the features of the three professional or local standards for the quality tests of foundation piles by the method of drilling are comparatively introduced.The problems such as the testing processes,the drilling depth of the bearing stratum,the determination method for the representative strength values of the concrete of piles and the reasonable definition of the allowable values of the pile concrete at the breakdown section are discussed,and the suggestions for corrections are presented.更多还原