神农架机场高加筋土挡墙的设计与实践  

Design and Application of Reinforced High Earth Retaining Wall at Shennongjia Airport

作　　者：任佳丽[1] 龚泉[1] 姜志全[1] 汪洋 赵亮[1] 

机构地区：[1]长江科学院水利部岩土力学与工程重点实验室,武汉430010 [2]湖北盐业集团有限公司,武汉430021

出　　处：《长江科学院院报》2014年第3期122-127,共6页Journal of Changjiang River Scientific Research Institute

基　　金："十二五"国家科技支撑计划项目(2011BAB10B06)

摘　　要：以神农架机场60 m高挡墙为例,论述了高加筋土挡墙基于极限平衡理论的设计方法,为了确保设计方案安全合理,采用强度折减有限元法对设计方案进行应力应变分析和稳定性验证,并在挡墙关键部位布设了监测断面。根据监测资料可知:挡墙变形较小,变化速率呈收敛趋势,应力应变监测成果稳定。现场观测成果证明了该设计方法的合理性,可为类似工程借鉴。The design method of reinforced high earth retaining wall based on limit equilibrium theory is expounded with the high retaining wall （60m） at Shennongjia airport as an illustration.To ensure the safety and rationality of the design,strength reduction and finite element were employed to analyze the stress-strain and stability of the retaining wall.Monitoring points were also arranged in the key sections of the retaining wall.The monitoring data revealed that the deformation of retaining wall was small,the deformation rate showed a tendency of convergence,and the stress and strain were all stable.The rationality of design method was proved by the monitoring results.This research provides reference for similar projects.

关 键 词：高加筋土挡墙 极限平衡理论 强度折减有限元法 安全监测 

分 类 号：TU476.4[建筑科学—结构工程]