Abstract：Taking Yuanjiadian prefabricated subway station of the Changchun metro line 2 as engineering background，the influence factors of bending stiffness for the double tenon groove joints under the combined action of axial force and bending moment is studied by numerical simulation method. The calculation results show that： (1) The Bending stiffness decreases rapidly with the increase of bending moment at the initial stage of loading，and then the bending stiffness of joint decreases gradually with the increase of bending moment. Under the same axial force, the bigger the axial force, the larger the bending stiffness. (2) The bending stiffness of the joint is higher than that of the joint without grouting. At the initial stage of joint loading, there is a big difference between the two kinds of situations of grouting and non grouting. The difference of the bending stiffness of the joint between grouting and non grouting decreases gradually with the increase of bending moment. (3) The influence of joint size parameters on bending stiffness is not obvious.
李兆平 李守庆 苏会锋. 装配式地铁车站结构双榫槽接头抗弯刚度研究[J]. 土木工程学报, 2017, 50(S1): 14-18.
Li Zhaoping Li Shouqing Su Huifeng. Study on the bending stiffness for double tenon-groove joints of metro station constructed by using prefabricated structure. 土木工程学报, 2017, 50(S1): 14-18.
