并且在张拉锁定时发现存在预应力损失的问题，并对此进行了分析。
Prestressing loss during stretching and locking is found, and analyze to these.
本实用新型涉及一种安装于公路桥U型桥台侧墙混凝土内部的能够锁定预应力钢绞线底 端的锚具。
The utility model relates to an anchor capable of locking the bottom of a prestressed steel strand which can be arranged in concrete of side wall of a road bridge U-shaped bridge abutment.
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