Moreover, the characteristics and key points in construction of tubular rock bolt are presented in this paper.

此外，文章还对管式锚杆的特点及施工要点进行了分析和论述。

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D FEM analysis model is adopted for the stability analysis in construction including hoisting and closing single steel tubular arch rib and service stages respectively.

采用空间杆系计算模型对包括单根钢管拱肋吊装合龙在内的施工和运营阶段进行稳定性分析。

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Connecting with the application of tubular structure in practical project, this paper introduces its features, and expounds the design and construction points of tubular structure.

结合钢管结构在实际工程中的应用情况，介绍了其特点，并对钢管结构的设计及施工要点进行了简要的概述。

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Long carbon steel refers to tubular steel and steel rods, which are used almost completely for the construction of buildings and bridges.

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