压缩空气排水井在填埋场滑移控制中的应用及分析  

Application and analysis of compressed air drainage wells in landfill slip control

作　　者：何海杰 兰吉武[2,3] 高武[2,3] 陈云敏 马鹏程[2,3] 肖电坤[2,3] HE Hai-jie;LAN Ji-wu;GAO Wu;CHEN Yun-min;MA Peng-cheng;XIAO Dian-kun(College of Civil and Architectural Engineering,Taizhou University,Talzhou,Zhejiang 318000,China;Institute of Geotechnical Engineering,Zhejiang University,Hangzhou,Zhejiang 310058,China;MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering,Zhejiang University,Hangzhou,Zhejiang 310058,China)

机构地区：[1]台州学院建筑工程学院,浙江台州318000 [2]浙江大学岩土工程研究所,浙江杭州310058 [3]浙江大学软弱土与环境土工教育部重点实验室,浙江杭州310058

出　　处：《岩土力学》2019年第1期343-350,共8页Rock and Soil Mechanics

基　　金：国家重点基础研究发展计划(973)项目(No.2012CB719800);国家自然科学基金项目(No.41502276;No.51578356)~~

摘　　要：在西北某失稳填埋场设置34口平均深度为15 m的压缩空气排水井开展滑移控制。对比控制前后的表面位移、深层水平位移和渗滤液水位,分析压缩空气排水井的滑移控制效果。结果表明:采用压缩空气排水井治理后,表面位移最大速率从237.3 mm/d降为78.7 mm/d;压缩空气排水井的最大导排速率为255 m^3/d,平均导排速率为132 m^3/d,单口排水井导排速率为3.88 m^3/d。压缩空气排水井造价低、工期短,对填埋场滑移治理效果好,可为各地填埋场滑移控制提供参考。Thirty-four compressed air drainage wells with an average depth of 15 meters were set up in an unstable landfill in Northwest China for slip control. The surface displacement, deep horizontal displacement and leachate level before and after control were compared to analyze the effect of slip control using the compressed air drainage wells. The results show that the maximum surface displacement rate is reduced from 237.3 mm/d to 78.7 mm/d after treatment with compressed air drainage wells, the maximum pumping rate of compressed air drainage wells is 255 m^3/d, and the average pumping rate is 132 m^3/d, the pumping rate of the single drainage well is 3.88 m^3/d. The compressed air drainage wells have low cost and short construction period, and have good effect on landfill slip control, which can provide reference for landfill slip control.

关 键 词：填埋场 局部滑移 稳定控制 压缩空气排水井 现场监测 

分 类 号：TU470[建筑科学—结构工程]