... shape , wave shape , end collude shape , bow ... of steel of concrete should not be less than 0.5, choose ; ... 75 , but can't be smaller than 50mm. 3.Put the material to require 1 ... 1 steel fibrous concrete build , mix and use at the same time at ... should be shaken closely knit while building less than dividing; 2 wipe surface , keep line steel fibrous concrete have , collect thick detailed material , sand rate ...