Concrete stair and assembly process thereof

(10) CN116556608

(22) 18.05.2023

(43) 08.08.2023

(57) The invention relates to the technical field of stair structures, in particular to a concrete stair and an assembly process thereof.The concrete stair comprises concrete stair flight plates and concrete step plates, the concrete stair flight plates comprise the concrete stair and rectangular cavities, longitudinal high-strength steel bars and stirrups are arranged in the concrete stair flight plates, and the steel bars are arranged in the concrete stair at equal intervals; the stirrups are rectangular, the bottom edges of the stirrups are arranged on the concrete stairs, the stirrups are connected with the concrete stair flight plates, embedded bolt holes are formed in the positions, corresponding to the concrete step plates, of the concrete stair flight plates, more than two embedded high-strength bolts are embedded in the concrete stair flight plates, and the bottoms of the embedded high-strength bolts are anchored in the concrete stair flight plates. And through the arrangement of the first butt joint component and the second butt joint component, the purposes that the stair is light in weight, easy to assemble and convenient and fast to transport are achieved.

(71) Jiangsu China Carbon Building Industrial Research Institute Co., Ltd.