Water retention type high and steep slope ecological slope protection structure and construction method

The invention belongs to the field of high and steep slope protection, and relates to a water retention type high and steep slope ecological slope protection structure and a construction method.The water retention type high and steep slope ecological slope protection structure comprises anchor rods, a reinforcing mesh, a water retention device and a cement soil protection layer; the anchor rod is anchored on the side slope; the water retention device is connected with the anchor rod through a reinforcing mesh; the plurality of water retention devices are uniformly distributed on the reinforcing mesh; the cement soil protection layer comprises an upper cement soil protection layer and a lower cement soil protection layer; the cement soil protection layer is arranged between two adjacent water retention devices; the lower cement soil protection layer and the upper cement soil protection layer are sequentially sprayed on the reinforcing mesh from bottom to top; and the water retention device is filled with an ec