SFRM specimens rupture with ductile characteristics and the normal mortar specimens collapse brittlely.The improvement of SFRM changes according to the length of steel fiber and its ratio by volume.

• 砂浆韧性得到明显改善.；同时指出砂浆强度和韧性的改善程度与所掺入钢纤维的长度和掺量有关