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钻孔灌注桩是民用和工业建筑广泛应用的一种基础形式,具有适应性强、施工操作简单、设备投入不大等优点。但是由于钻孔灌注桩的施工大部分是在地面以下进行,其施工过程无法直接观察,成桩后也不能进行直接开挖验收,它又是最容易出现质量问题的一种基础形式。分析钻孔灌注桩在施工过程中可能发生的事故,进行必要的防范是保证钻孔灌注桩成桩质量,确保基础工程安全的重要措施。
Bored piles are widely used in civil and industrial buildings as a basic form, with adaptability, construction and operation is simple, equipment investment is not large and so on. However, most of the construction of cast-in-site bored piles is carried out below the ground. The construction process can not be directly observed. After being piled, it can not be directly excavated and accepted. It is also the most basic form of quality problems. It is an important measure to ensure the quality of the bored piles and ensure the safety of the foundation engineering by analyzing the possible accidents during the construction of the bored piles.