Prefabricated concrete assembly type stair

• Main Authors: ZHAO SHENGFEI, SUN YUBO, LI ZEWEI, GU XIAO, LIU RUIJIE
• Format: Patent
• Language: Chinese; English
• Published: 27.09.2022
• Subjects: BUILDING; FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS; FIXED CONSTRUCTIONS

The utility model provides a prefabricated concrete assembly type stair which comprises an inclined ladder assembly and a platform plate assembly, the inclined ladder assembly comprises N prefabricated inclined ladder plates, and N is a natural number larger than or equal to 1; the platform plate assembly comprises prefabricated platform plates matched with the prefabricated inclined ladder plates in number. The upper ends of the first prefabricated inclined ladder plate to the Nth prefabricated inclined ladder plate are detachably connected with the corresponding prefabricated platform plates through fixed connecting pieces respectively; the lower ends of the second prefabricated inclined ladder plate to the Nth prefabricated inclined ladder plate are connected with the prefabricated platform plate in a sliding mode through sliding elastic connecting pieces. The prefabricated concrete assembly type stair has the advantages that the sliding elastic connecting pieces are arranged at the lower ends of the prefa