简介:摘要:在岩溶区地铁车站基坑施工过程中,地下水的处理措施不当,极易导致基坑险情不断,注浆止水、堵水是目前对基坑地下水的主要处理方式之一。文章结合实际工程地下水的处理流程,采用现场试验的手段对灰岩地区车站基底溶蚀凹槽处理施工措施展开研究。研究结果表明:对于基底存在溶蚀凹槽的情况,应采用竖向止水帷幕和基底水平加固措施以切断基坑水平和竖向水力联系,确保基坑内部的水处于“桶中水”状态;止水帷幕嵌固深度不应受常规止水帷幕插入比限制,以切断水平水力联系为准;基坑地下水的治理应采用边处理边验证的动态处理方法实现动态施工。研究成果与经验可为类似工程的设计与施工提供思路与借鉴。
简介:AdhesionimprovementofCVDdiamondfilimbyintroducinganelectro-depositedinterlayer;Agitation:themostversatiledegreeoffreedomforsurfacefinishers;Developmentofhydroxyapatitecoatingonporoustitaniumviaelectro-depositiontechnique;EffectofintensemagneticfieldonCdTeelectro-deposition;ElectrodepositionofMetallicLithiumonaTungstenElectrodein1-Butyl-l-methylpyrrolidiniumBis(tritluoromethanesulfone)imideRoom-temperatureMoltenSalt
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