Novel earth and rockfill dam crest structure

The utility model discloses a novel earth and rockfill dam crest structure which comprises a cable trench arranged on the upstream of a dam crest, the front side wall of the cable trench is a wave wall, and a water collecting tank is arranged at the bottom of the cable trench; one side of the dam crest road is connected with the rear side wall of the cable trench, the other side of the dam crest road is located on the downstream of the slope crest and provided with road edge stones, and a plurality of overflow ports are formed in the road edge stones at intervals; the drainage ditch is arranged on the downstream slope surface of the dam body, and the inlet end of the drainage ditch corresponds to the overflow ports respectively; the drainage pipe is arranged in the dam body, one end of the drainage pipe is communicated with the water collecting tank, and the other end of the drainage pipe is communicated with the drainage ditch. The arrangement of functional components is optimized, the road surface at the to