大跨度双层桁架主梁三分力系数识别
刘昊苏(),雷俊卿*()
Identification of three-component coefficients of double deck truss girder for long-span bridge
Hao-su LIU(),Jun-qing LEI*()

图 5. α支架结构及测力天平

Fig.5. Picture of α bracket and force balance