Effect of pore structure on impermeability of plastic concrete
Plastic concrete with different pore structure and pore distribution was prepared by adding bentonite and silica fume and changing the water-binder ratio,and its impermeability was tested to study the influence of different pore structures on the impermeability of plastic concrete.The results show that with the increase of water-binder ratio,the proportion of beneficial pores in plastic concrete de-creases gradually,the proportion of harmful pores increases gradually,and the average pore size increases gradually.Bentonite and silica fume can improve the impermeability of plastic concrete,increase beneficial pores,reduce harmful pores and reduce the average pore size.
万方数据
