Taking Fuzhou Metro as an example,this article focuses on studying the principles and test results of various in-situ testing methods to get foundation coefficient.By comparing the implementation conditions and result reliability of multiple experiments,the ranking of the advantages and disadvantages of multiple in-situ tests is as follows:flat shovel lateral expansion test method＞static cone penetration test method＞K30 test method＞pre-drilling test lateral pressure＞standard penetration testing.While comparing various experimental da-ta,developed correction formulas and coefficients suitable for various in-situ testing methods in Fuzhou area are proposed.
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