Revetment block and bank protection thereof

The utility model discloses a revetment block, including square building block body, building block body's opposite ends all is equipped with a pair of arch, forms between a pair of arch from lock clamping groove, and is consistent from lock clamping groove's half shape and protruding shape, the last unrestrained boss that disappears that is equipped with of building block body. The bank protection includes revetment block, two revetment block align revetment block that protruding laminating that the laminating corresponds set up in one side together in lock clamping groove, the steel cable that passes on all revetment block through the steel cable between a set of revetment block is realized linking to each other from the lockhole. The unrestrained boss and disappear unrestrained groove and can slow down rivers and have fine wave absorbing effect of disappearing on revetment block surface, adjacent building block links to each other through the interlocking and has worn the steel cable, and the location is r