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灌注桩(这里主要探讨钻孔灌注桩并指端承桩,下文简称桩)质量检验从验收规范来看十分简单,无非是地基承载力的鉴定、钢筋笼的检查与桩砼质量的判定,但由于地下工程不可见的因素很多,因此判定起来比较难以准确。依据多年的工作经验及理论知识,分三个问题:从桩的承载机理看质量检验的关键,桩的缺陷与防治措施,桩质量的判定,围绕桩检验问题进行探讨。
The quality inspection of cast-in-situ piles (mainly discussing bored piles and finger-end piles here) is very simple from the acceptance norms, which is simply the appraisal of bearing capacity of foundation, the inspection of reinforced cages and the determination of the quality of piles. However, Due to the invisible factors of underground works, it is difficult to judge accurately. According to many years of work experience and theoretical knowledge, there are three problems: the key point of quality inspection, the defect of the pile, the prevention and control measures, the judgment of pile quality and the inspection of the pile around the pile from the bearing mechanism of the pile.