The technology of underwater signal detection has significant theoretical and military values in our national defensive construction.

水声信号检测技术在国防科技建设中具有重要的理论意义和军事应用价值。

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By adopting some technology of advanced detection, adding temporary invert, sleeve valve pipe and lock foot bolts, the construction of the tunnel is completed safely and successfully.

暗挖区间隧道通过采用超前探测、增设临时仰拱、袖阀管、锁脚锚管等技术措施，安全、顺利完成了北四环路和北辰桥段的施工。

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The construction condition, technology and procedure for steel pipe concrete pile supported by anchor foundation at the north, Renyang Bridge and the quality detection are introduced in the paper.

简要介绍润扬大桥北锚碇基础支撑钢管混凝土桩的施工条件、施工工艺和施工过程以及质量检测。

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