本文针对生产过程中出现的凸凹端头局部断裂问题，提出优化方案。
According to the process for the production of convex-concave ends local fracture, optimization is proposed.
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.
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