浅析钻孔灌注桩施工中常见问题及防治措施

Simply Analyzing of Common Problem and Measure of Prevention and Cure Being about Drilled Pouring Pole under Construction

本文结合钻孔灌注桩施工过程中的常见问题,主要介绍了钻孔施工中遇到的钻孔倾斜、坍孔、掉钻和卡钻、桩位偏移等问题以及混凝土灌注和成桩过程中经常遇到的沉渣超厚、导管进水、断桩、卡管、钢筋笼上浮等问题,分析了各种问题的形成原因,提出了相应的防治措施。

Common problems about drilled pouring pole in the process of drilling,such as incline and collapse of hole, dropping and blocking of drill,excursion of pole location,are introduced.Common problems about drilled pouring pole in the process of perfusion,over-thick sediment,leaking water in the pipe,disjunction of the stake,block of the stake, floating of reinforcing steel bar cage and so on,are forwarded.At the same time reasons of Common problems are analyzed and measure of prevention and cure are put forward accordingly.