摘要
为了较为真实地反映边坡在地震作用下的真实行为，本文对岩石边坡问题作了简化模型的振动台动力试验。对于模型的夹层效应，空间作用，荷载的频幅特性与历时特性等都作了较为全面的试验研究。提出了边坡动力残余位移的累积计算公式。将试验结果与本文提出的本构预测相比较，表明二者是一致的。
A study of a two block,rock slope is conducted with a shaking- table test to quantify the effects of both joint properties and accelerations、 frequency and duration of exciting load.It is observed that there exists a critical shear stress,hence a critical acceleration for initiation of the relative shear displacement along the joint interface.At constant velocity or acceleration,increasing dominant excitation frequency or static safety factor significantly decteases shear displacement.
出处
《重庆建筑大学学报》
CSCD
1997年第2期80-86,共7页
Journal of Chongqing Jianzhu University
关键词
振动台动力试验
岩体
边坡
位移
节理
动荷载
a shaking- table, shear displacement, kynamic behaviour of rock slope
