N-TYPE CONNECTION PREFABRICATED SPLIT COLUMN USED FOR UNDERGROUND STRUCTURE

• Main Authors: XU, Chengshun, XU, Zigang, DU, Xiuli
• Format: Patent
• Language: Chinese; English; French
• Published: 19.04.2018
• Subjects: BUILDING; BUILDING MATERIALS; FIXED CONSTRUCTIONS; STRUCTURAL ELEMENTS

An n-type connection prefabricated split column used for an underground structure, consisting of a prefabricated steel reinforcement bar concrete column (1), an n-type connecting piece (2), an exterior steel plate (3), reserved connecting steel reinforcement bars (4) and a high-strength reserved bolt (5); longitudinal steel reinforcement bars of the prefabricated reinforced concrete column (1) entirely protrude on top and bottom surfaces to serve as reserved connecting steel reinforcement bars (4); a steel reinforcement bar cage of the prefabricated steel reinforcement bar concrete column (1) is welded with the high-strength reserved bolt (5); the n-type connecting piece (2) is connected to the high-strength bolt (5) by means of reserved bolt holes on two wings thereof; the exterior steel plate (3) is pasted on an outer side of the prefabricated steel reinforcement bar concrete column (1), and the prefabricated steel reinforcement bar concrete column and connecting seams therebetween, which are in pairwise co