对土的抗剪强度指标(直剪试验)确定方法的研究
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摘要: 本文分析了图解法求C、φ值的不科学性及非唯一性,(GBJ7-89)规范推荐方法求C、φ值的进步(唯一性)及不足(机械性),并提出了采用最小相对误差绝对值来确定C、φ值的新方法,提高了C、φ值的可信度。Abstract: The unscience and the properties of multisolution of the value of c and φ by graphic solution, and the advances (unique) and lacks (mechanism) of the value of c and φ by standard(GBJ7-89) are analysed in this paper. A new method to determine the value of c and φ by using the absolute value of the least relative error is proposed,The reliability of the value of c and φ are improved by this method.
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