On this basis, checking to the tubing axial deformation, load and stress calculation method of the former, provide the basis for pipe strings design and a reasonable choice of production parameters.
在此基础上，分析管柱载荷、应力及轴向变形，为井下管柱的合理设计提供依据。
The article introduces the stress, calculation method of fixed buttress and the treatment method in the case of relatively bigger pipeline thrust.
分析了直埋供热管道固定支墩的受力状况，阐述了自平衡法优化设计直埋供热管道固定支墩的原理及方法。
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