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振冲法即振动水冲法,是以振冲器的振动和挤密作用,对松软砂土地基进行加密处理或在软弱地层中设置紧密的碎石桩,与原地基土共同组成复合地基的一种施工方法,在国内水利工程中,振冲法正推广应用,目前主要是用于坝基、闸基加固,病坝处理,抗震加固处理和建筑物加固等。现结合白龟山水库除险加固拦河坝下游坝脚外抗地基液化加固工程,分析振冲法施工技术在坝基抗液化程中的应用。
Vibro-vibrating method that is vibrating water flushing method is based on the vibrating and squeezing action of vibrator to encrypt soft foundation of soft sand or to set compact gravel pile in soft stratum to form composite foundation with original ground soil A construction method, in domestic water conservancy projects, vibro-impact method is being popularized and applied, at present mainly used for dam foundation, gate foundation reinforcement, dam treatment, seismic strengthening treatment and building reinforcement. In combination with the Baiguishan reservoir reinforcement project downstream of the dam dam anti-foundation liquefaction and reinforcement project, analysis of vibratory method construction technology in the anti-liquefaction process of dam foundation.