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

表 2 G点损伤程度的计算值

Tab.2 Calculated result of DE at G-Point

RILDC $EI$/(kN·m−2) $P$/kN $l$/m $x'$/m DE 计算值/% 模拟值/% 相对误差/% 2.441 4×10−8 2. 392 3×1010 2 942 40 20 28.42 30.00 5.27