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 2. 双层桁架主梁横截面
Fig.2. Cross section of double deck truss girder
