Analysis of Fuzzy Comprehensive Evaluation of Punched Pile Foundation Detection in Karst Area

In karst area, the quality of punching pile-forming is generally not high, and pile defects is a problem. In order to evaluate the punching pile-forming quality better, this paper introduces the fuzzy comprehensive evaluation theory. This paper constructs the fuzzy comprehensive evaluation model of karst area, and divides the inspection and evaluation indexes of punching pile into two levels, the expert scoring method is adopted to determine the evaluation weight at all levels; The comprehensive fuzzy operator of multiplication before addition is adopted because it has obvious weight function and comprehensive degree; The principle of maximum membership is used to determine the quality level of pile foundation detection. The model is applied to an engineering case, and the evaluation effect is good.