本文提出了寻找斜交框架桥位移试函数的方法,所选位移试函数满足了所有位移边界条件和各板交线处弯矩连续的内力边界条件,并使用瑞次法算出了斜交框架桥的弯矩,扭矩和剪力。本法采用相对挠曲概念,保持实际力学模型,具有收敛快,可以用小计算机或手工计算的优点。 In this paper, a method is proposed to find out the displacement test function of skewed frame bridge. The selected displacement test function satisfies all displacement boundary conditions and the continuous boundary condition of internal force at the intersection of each plate, and calculates the skewed frame bridge The bending moment, torque and shear force. This law uses the concept of relative deflection to maintain the actual mechanical model, with fast convergence, you can use a small computer or manual calculation advantages.