continuous cast thin wall pipe 连续铸造薄壁管
thin wall pipe pile 薄壁管桩
gbf thin-wall pipe gbf薄壁管
GBF high strength thin-wall pipe GBF高强薄壁管
cast-in-situ concrete thin-wall pipe pile 现浇薄壁管桩
gbf thin wall pipe gbf薄壁管
thin-wall pipe piles 薄壁管桩
Preheating has little significance in reducing residual stress of small-calibre thin wall pipe. welding residual stress were recede observably by after-weld heat treatment process.
焊前预热对降低T91钢小口径薄壁管接头焊接残余应力意义不大。 焊后去应力热处理能够显著降低接头中的焊接残余应力。
参考来源 - 熔焊热过程的数值模拟与综合分析·2,447,543篇论文数据，部分数据来源于NoteExpress
After illustrating the application of concrete thin wall pipe pile to the deep base pit support, the paper discusses its applications under different conditions and key construction techniques.
结合混凝土薄壁管桩在深基坑支护中应用的实例，探讨混凝土薄壁管桩在不同条件下的深基坑支护中的应用及其施工工艺注意要点。
In this paper, the structure feature and principle of this special drill has been introduced. Its special design is very useful for drilling thin-wall pipe.
本文介绍了薄壁管专用钻头的结构特点及工作原理，其结构设计新颖，对薄壁管的钻削有实用价值。
A 3d model was established for the composite foundation with cast-in-situ concrete thin-wall pipe piles. It was shown by the results of finite element analysis that the present model was reasonable.
建立现浇薄壁管桩复合地基三维模型，通过有限元模拟，与现场静载试验结果对比，表明建立的模型是可行的。
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