基于原位剪切波的场地地震液化判定研究

Study on Liquefaction Judgment Based on the In-Situ Shear Wave Seismic

文章对剪切波速判定地震液化的优势进行了总结,探讨分析了近海工程场地剪切波原位测试的适用设备和基于剪切波速的剪应力比液化判定方法,依据具体工程案例,编制程序,对场地剪切波地震液化判定进行了分析,获取了场地地震液化势曲线及安全系数随判定深度变化的曲线,分析方法具有简便实用与定量化的优势,研究成果可为工程勘测设计人员提供参考。

A summary is made on the shear wave velocity determine the advantages of seismic liquefaction, explores the suitable equipment shear offshore engineering site wave in-situ testing, analysis and Discussion on the shear wave velocity and shear stress ratio of liquefaction judgment method based on the practical engineering case, compilation basis, procedure, on site shear wave seismic liquefaction determination were analyzed to obtain seismic liquefaction potential curve and the safety coefficient with the decision depth curve, the analysis method is simple and practical and quantitative advantage, the research results can provide reference for engineering survey and design personnel.