STUDY ON THE FIRST-AID REPAIR OF THE BRIDGE DECK WITH THE SUPER-RAPID HARDENING AND SUPER-SHORT STEEL FIBER REINFORCED CONCRETE

The bridge deck of conventional concrete and the bridge deck of national highway with more traffic frequency often have suffored such kinds of problems of cracking,crushing,dropping off and concaving etc,which has a seriously bad effect on the stable driving of the vehicles on the highway and need first\|aid repairing.The Super\|rapid hardening concrete and the super\|short steel fiber reinforced concrete have the feature of being light and strong,thin and delicate. \[