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我国有多种液塑限试验方法分别在不同的规范中使用。各规范液塑限试验方法的不统一,给岩土勘察和工程设计带来很多不便。在提出液塑限试验方法优越性评价标准的基础上,利用已有资料,对各种液塑限试验方法的优越性进行了探讨。结合国内外现状,考虑与国际接轨的要求,对新修订的《公路桥涵地基与基础设计规范》提出了采用76 g锥入土深度17 mm的方法测量液限和入土深度2 mm的方法测量塑限的意见。
China has a variety of liquid-plastic limit test methods were used in different norms. Various specifications liquid plastic limit test methods are not uniform, to the geotechnical investigation and engineering design a lot of inconvenience. On the basis of the evaluation criteria for the superiority of the liquid-plastic limit test method, the advantages of various liquid-plastic limit test methods are discussed based on the available data. Considering the status quo at home and abroad, considering the requirements of international standards, the method of measuring liquid limit and soil depth 2 mm with 76 g cone penetration depth of 17 mm was proposed for the newly revised Code for Foundation Design of Highway Bridges and Culverts. Views.