The torsion of composite beams of steel and concrete and the limit analysis based on the theory of twisted members with thin walled open section and restraint of warping are discussed.
对钢与混凝土组合梁扭转进行了探讨，提出了以开口薄壁杆件的约束扭转理论为基础的扭转极限分析方法。
Started with the analysis of temperature field, the temperature-warping stress and temperature contraction stress of porous concrete are studied, and the location of joint are discussed.
从分析路面温度场入手，研究了多孔混凝土基层的温度翘曲应力和温度胀缩应力，据此分析了多孔混凝土基层接缝的设置依据和缝间距离。
But in the use process discovered the main existence the questions are the cross center down-warping and concrete of the fixing of pier and girder dehiscence.
但在使用过程中发现主要存在的问题有跨中下挠和墩梁固接处的梁面部位混凝土开裂。
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