Suspension bridge anchorage structure with anchor body embedded with diaphragm wall foundation and construction method

The suspension bridge anchorage structure comprises an underground diaphragm wall, a bottom plate, the anchor body, a cable and an anchoring system, a top beam is arranged at the top of the underground diaphragm wall, and the anchor body is arranged in the underground diaphragm wall; the bottom plate is step-shaped, is arranged in the middle of the diaphragm wall, and is in direct contact with an external soil body; the front side of the anchor body is provided with a front anchor chamber, the rear side of the anchor body is provided with a rear anchor chamber, the front end of the front anchor chamber is provided with a splay cable clamp, the rear anchor chamber is internally provided with a cable anchoring system, a cable is obliquely arranged in the diaphragm wall, and the cable penetrates through the anchor body after being dispersed by the splay cable clamp. According to the suspension bridge anchorage structure with the anchor body embedded with the foundation, the cable force of the cable acts on the p