该文对导管堵塞、钢筋笼上浮、桩身缩径、断桩等四个质量问题从产生原因到防止措施作了具体叙述。
In this paper, 4 quality problems such as conduct blocking, rebar cage floating, pile body contracting, pile breaking etc are described from causes to prevention measures.
鉴于灌注桩中钢筋笼实际长度的检测至今没有成熟检测技术，因此，这种方法对灌注桩的质量控制及同类检测工作有一定的借鉴意义。
Since there is still no mature technology to check the length of reinforcing cage in piles, the present method will provide a reasonable method for checking the length of reinforcing cage in piles.
鉴于灌注桩中钢筋笼实际长度的检测至今没有成熟检测技术，因此，这种方法对灌注桩的质量控制及同类检测工作有一定的借鉴意义。
Since there is still no mature technology to check the length of reinforcing cage in piles, the present method will provide a reasonable method for checking the length of reinforcing cage in piles.
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