Performance research and economic benefit analysis of red mud plastic concrete
With the increasingly significant environmental problems and the support of corresponding national policies,in order to in-crease the use of red mud to achieve the purpose of green environmental protection and saving cement.In this project,the composite red mud was used to replace part of the cement to prepare plastic concrete.The performance and economic benefits of red mud plastic concrete were studied from the aspects of fluidity,dry shrinkage of concrete,compressive and flexural strength and chloride ion perme-ability resistance,etc.It was considered that the performance of red mud plastic concrete was better when the replacement rate of red mud was 10%~30%.It is difficult to make harmless use of red mud,so it is necessary to study its application in plastic concrete field.The combination of French red mud instead of cement to prepare plastic concrete to further realize the resource utilization of red mud.The team analyzed the test data to determine the best mix ratio to prepare concrete materials with better performance,which can be used in domestic reservoirs,DAMS and other seepage prevention projects.
red mudcombination methodplastic concretemechanical property