刚性填埋场中混凝土耐化学介质及变形防渗性能研究OA

High performance concrete is usually selected for construction of rigid landfill according to its geographical location,climatic condi-tions and service characteristics.In this paper,the mix proportion of C30 high performance concrete is tested by high fly ash,double fly ash and silica fume,and the chemical medium resistance,autogenous volume deformation and impermeability of concrete are tested,and carry on the contrast analysis to the result.Based on the results of indoor test,considering the factors such as construction period,leakage of landfill site and anti-corrosion of medium,it is suggested that the mixture ratio of 50％fly ash concrete should be adopted in construction.