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.
桩身常见的缺陷形式一般包括桩身局部断裂，桩身局部扩径，桩身局部缩径等。
The usual form defect of piles include the party rupture of piles, the party enlarged of piles and the party necked-in of piles, etc.
桩身常见的缺陷形式一般包括桩身局部断裂，桩身局部扩径，桩身局部缩径等。
The usual defect forms of piles include the party rupture of piles, the party hole enlarged of piles and the party necked-in of piles, etc.
桩身常见的缺陷形式一般包括桩身局部断裂，桩身局部扩径，桩身局部缩径等。
The usual defect forms of piles include the party rupture of piles, the party hole enlarged of piles and the party necked-in of piles, etc.
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