摘要
抗滑桩是防治滑坡灾害非常有效的工程措施,但工程实践中往往由于其设置的不合理使其并没有发挥应有的工程效益。本文从理论和数值两方面对无粘性土中抗滑桩桩间土拱形成机理进行分析,得出只要抗滑桩设置合理,在桩间就会形成土拱效应。在工程实践中,无粘性土中抗滑桩桩间土拱是以小主应力拱的形态存在的,要想形成稳定的土拱,桩前土体需要提供足够大的抗滑力。
Setting up anti-slide piles is a very effective engineering measure to prevent landslide disaster. However, in actual projects, anti-slide piles can' t play the role because of being set up unreasonably. Based on theory analysis and numerical analysis, the mechanism of soil arch between anti-slide piles is analyzed in this study, in order to establish a theoretical foundation for using anti-slide piles better.
出处
《防灾科技学院学报》
2014年第1期86-90,共5页
Journal of Institute of Disaster Prevention
关键词
无粘性土
抗滑桩
土拱
抗滑力
数值模拟
cohesionless soil
anti-slide piles
soil arch
anti-slide force
numerical analysis