To curb the common phenomenon that slope treatment schemes are selected unreasonably in practice, a model of optimizing slope treatment schemes based on gray fuzzy multi-attribute group decision-making is proposed through combined application of membership degree, gray degree, multi-attribute decision-making, and group decision-making. The fuzzy, gray, multi-attribute, and group characteristics of slope treatment schemes optimizationprocess as well as five basic goals of safety, quality, cost, time and environment in project construction management are taken as the basis. The slope treatment project from K214+500 to K214+700 of Buka tunnel entrance is taken as a case study to verify the feasibility of the proposed model. Results show that the proposed model is more comprehensive and practical by making full use of invited experts’ advices. It also improves the accuracy of the optimization result.
Key words
slope treatment /
optimization of schemes /
gray fuzzy multi-attribute group decision-making /
gray fuzzy set /
gray degree /
membership degree
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