The paper optimizes the concrete fine aggregate scheme with median sand of gate foundation excavation and build coarse sand through 4 appraisal index using fuzzy optimization decisiontheory.

• 利用模糊优选决策理论,通过4项评判指标对石佛寺水库利用闸基开挖中砂与外购粗砂掺配混凝土细骨料方案进行了优选。