大跨度双层桁架主梁三分力系数识别
刘昊苏(
),雷俊卿*()
),雷俊卿*()
Identification of three-component coefficients of double deck truss girder for long-span bridge
Hao-su LIU(),Jun-qing LEI*()
),Jun-qing LEI*()
图 1. 三分力方向及坐标系统
Fig.1. Direction and coordinate of three-component forces
