基于弹性约束支承梁转角影响线的梁结构损伤诊断
周宇,狄生奎,项长生,李万润

Beam structure damage detection based on rotational-angle-influence-lines of elastic-constrained-support beam
Yu ZHOU,Sheng-kui DI,Chang-sheng XIANG,Wan-run LI
图 4 主梁刚体转动示意
Fig.4 Rigid body rotational of main beam