卸荷土体的静止土压力系数  

Earth Pressure Coefficient at Rest in Unloading Soil

作　　者：程玉梅[1] 周明芳[1] 刘广博[2] 

机构地区：[1]石油大学,山东东营257061 [2]胜利油田纯梁采油厂,山东东营256504

出　　处：《佳木斯大学学报（自然科学版）》2006年第2期312-314,共3页Journal of Jiamusi University：Natural Science Edition

摘　　要：依据卸荷土体K0状态σh～σv试验，本文研究了加、卸荷土体的静止土压力系数K0的差别，目的在于强调卸荷土体K0的非常数性，提醒人们选择K0，必须分清应力状态．The unloading earth pressure coefficient at rest is discussed by studying on the variation of lateral stress due to vertical stress reduced,with the aim to emphasized that the pressure coefficient is not constant. Loading stress condition or unloading stress condition should be decided before selecting tightly the pressure coefficient.

关 键 词：水平应力σh 垂直应力σv 卸荷土体 静止土压力系数 

分 类 号：TU312.1[建筑科学—结构工程]