Low-layer assembly type steel concrete structure building and construction method thereof

The invention discloses a low-layer assembly type steel concrete structure building and a construction method thereof. The low-layer assembly type steel concrete structure building comprises a grouting wall and a floor system borne on the top of the grouting wall, the grouting wall comprises a wall steel framework, an outer covering layer arranged on the outer side of the wall steel framework, aninner covering layer arranged on the inner side of the wall steel framework and a pouring layer formed through coagulation of slurry poured into the position between the outer covering layer and theinner covering layer, the outer covering layer is formed through splicing of multiple wall plates hung on the wall steel framework, and hanging points are arranged on the back faces of the wall plates; the wall steel framework comprises multiple steel latticework hanging plate columns arranged at intervals, the inner sides and the outer sides of the steel latticework hanging plate columns are provided with hanging parts cor