金亚伟1刘宏伟2吴连海3乔斌4潘炳忠5((江苏宜兴214267),(天津临港工业区300452)(天津300140)(天津300456))摘要:为解决地基处理后的沉降,通过解密金钟罩铁布衫的力学原理,设计开发出金钟罩复合地基。采用金钟罩复合地基后,荷载从由桩体承担改为由加筋土和桩体共同承担,加筋体产生小正拱效应,形成有效的复合地基,可提高地基的回弹模量;立体土工格栅可以改变动荷载产生的震荡频率的方向,从而使沉降减少;下卧区可提高土体固结度,承担上部土体产生的荷载,同时通过及时封闭其排水通道,可减少水体对地基产生的影响。关键词:金钟罩;地基处理;沉降;立体格栅;正拱效应中图分类号:文献标识码:B文章编号:1006-7647-(2012)S1-0000-positefoundationJinyaweiLiuhongweiWulianhaiQiaobinPanbingzhong(YixingxintaigeotextilematerialsCo.,LTD.,jiangsuyixing214267tianjinlingangeconomicandtechnologydevelopmentzoneingeotechnicalengineeringwing-upinheritancetechnologyCo.,)Summary:ThroughthedescriptionofmechanicsandsettlementcalculationsofGoldenBell cocoon,positefoundationforthesettlementoffoundationafterthetreatment,focusedonsolving:(1)justthepiletoundertaketheoriginalload,,(2)dynamicloadcausedbythevibrationcausedbythesettlementofathree-dimensionalgridtochangethedirectionoftheoscillationfrequencysothatdoesnotproducesettlement(3)improvetheunderlyingsoilconsolidationarea,letitbeartheloadgeneratedbytheuppersoil(4)pletionoftheconsolidationunderthebenchareaafterthetimelyclosureofthedrainchanneltosealthefoundationtoreducethewaterimpactontheground.(5)lyingunderthepileare
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