Progressive-collapse-prevention integrated connecting plate and structure of thin-walled cold-formed steel trimmer beams and construction method of integrated connecting structure

Abstract

The invention discloses a progressive-collapse-prevention integrated connecting plate and structure of thin-walled cold-formed steel trimmer beams and a construction method of the integrated connecting structure. The connecting plate comprises a square joint plate with the height equal to that of web plates of the thin-walled cold-formed steel trimmer beams, a lower connecting end plate perpendicular to the plane position of the square joint plate, and an upper connecting end plate with reinforcing ribs. According to the connecting structure, the connecting plate is connected with the thin-walled cold-formed steel trimmer beams through high-strength bolts and self-taping screws, connected with a floor system on the upper portions of the thin-walled cold-formed steel trimmer beams through L-shaped bolts or follower bolts, and connected with corresponding upper guide rails of the part, below the thin-walled cold-formed steel trimmer beams, of a wall through self-tapping screws. Bearing wall stand column plane arrangement of a building structure achieves regularity, the reliability and construction convenience of a thin-walled cold-formed steel house building are improved, and the problem of progressive collapse, which is likely to occur and is caused by failures of part of a bearing wall, of the thin-walled cold-formed steel trimmer beams and the floor system of the thin-walled cold-formed steel trimmer beams in the existing thin-walled cold-formed steel house building is solved.

Description

technical field [0001] The invention relates to an integrated connection plate, a connection structure and a construction method of a cold-formed thin-walled steel joist for preventing continuous collapse, and belongs to the technical field of civil engineering. Background technique [0002] Compared with the traditional reinforced concrete structure, the steel structure has the characteristics of green environmental protection, good seismic performance, fast construction speed, and recyclable materials. With the rapid development of the national economy, my country's steel output has leapt to the first place in the world, and the domestic steel structure industry has also developed rapidly. However, compared with developed countries, the proportion of steel structure buildings in my country's steel output is still significantly low. Significant gaps still exist. my country is in the stage of rapid industrialization and urbanization, the annual project construction volume i...

AI Technical Summary

Problems solved by technology

[0005] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides an integrated connecting plate for preventing continuous collapse of cold-formed thin-walled steel joists, so as to solve the problems that may occur in cold-formed thin-walled steel buildings in the prior art. The cold-formed steel joists and their floors collapsed due to the failure of local load-bearing walls, and even the continuous collapse of the overall building structure; taking into account the existing technology, due to the use of cold-formed thin-walled steel joists. The problem of irregular plane layout of wall columns can improve the convenience of construction of this type of building structure

Images