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对对称冷弯型钢-混凝土组合梁进行静力受弯试验,介绍了基于剪切弯曲杆改进的剪切弯曲三角杆。冷弯型钢构件比热轧构件更薄,不允许焊接栓钉剪力连接件,剪切弯曲三角杆能解决这一问题。将两个冷弯型钢槽的背靠背连接成对称构件,它在静力作用下具有足够的强度和刚度。通过剪切弯曲三角杆的抗剪方程计算的抗弯承载值与试验数据很吻合。
The static bending test of the symmetrical cold-formed steel-concrete composite beam is introduced, and the shear bending triangular rod based on the shear bending rod is introduced. Cold-formed steel components thinner than the hot-rolled components, does not allow the welding of stud shear connectors, shear bending triangular rod to solve this problem. The two cold-formed steel back-to-back connected to form a symmetrical member, which under static force has sufficient strength and stiffness. The flexural load values calculated by the shearing of the shear bar of the curved triangular bar agree well with the experimental data.