Sawtooth abutment back structure of retaining wall

The utility model relates to a retaining wall sawtooth abutment back structure which is characterized in that the retaining wall sawtooth abutment back structure comprises a retaining wall body and a filling side vertical face arranged on the retaining wall body, a plurality of sawtooth-shaped steps are arranged in the height direction of the filling side vertical face, and the step faces of the sawtooth-shaped steps extend towards the filling side; the sawtooth-shaped steps are additionally arranged on the wall back (the filling side vertical face), so that the friction angle sigma of the wall back is increased, the stress of the retaining wall is optimized, the friction effect between the retaining wall and a soil body is enhanced, and the overall stability of the retaining wall and a roadbed can be enhanced; and meanwhile, the abutment back processing mode is convenient for erecting the set-shaped steel formwork, and construction quality control is more facilitated. 本实用新型涉及一种挡土墙锯齿台背结构，其特征在于：包括挡土墙体和设在挡土墙体上的