Prefabricated concrete bridge mound that excels in

The utility model provides a prefabricated concrete bridge mound that excels in. This pier includes pier shaft, rebar skeleton cage and hole for hoist, and the cross section outline shape of pier shaft is formed by straightway more than four and the combination of the circular arc section more than four, and all circular arc period number are on same circumference, be provided with the tongue andgroove section on the surface of pier shaft bottom, the hole for hoist is arranged and is run through the pier shaft along pier shaft circumference hoop, be equipped with two -layer above rebar skeleton cage in the pier shaft, outmost rebar skeleton cage is the dysmorphism, and its main muscle setting is in the inboard of stirrup, and main muscle head end is provided with the screw, and the tail end is equipped with takes the internal screw thread sleeve, the rebar skeleton cage of all the other layer is circular, and its main muscle setting is in the outside of stirrup, and main muscle head end and tail end all are e