Since deep penetration large diameter steel pipe piles have been widely used in platform foundation, pile drivability analysis and blow count prediction play an important role in pipe driving.

大直径超长桩的出现给海上的打桩施工增加了难度和复杂性，也使得打桩分析和预估锤击数具有重要的意义。

youdao

This paper introduces application technique and performance test of powder coating in experimental production for large - diameter steel plate - welded pipe.

主要介绍大直径钢板焊接钢管涂敷环氧粉末涂层实验性生产中的施工技术及涂层性能测试。

youdao

This article discussed the residual stress of the HU-METAL method formed large diameter longitudinal seam welded steel pipe.

对HU - METAL法卷制成型大直径直缝焊钢管残余应力进行了分析讨论。

youdao