A construction method of accumulative slippage of string trusses with columns at different elevations

Abstract

The invention belongs to the field of steel structure building construction, and in particular relates to a construction method for accumulative slippage of stringed trusses with columns of different elevations. Specifically include the following steps: a. Install the long track at both ends of the truss and the short track at the middle span; b. High-altitude assembly of the truss; c. Install temporary stabilization measures for unequal-height sliding columns; d. Cable tensioning and interspersed construction; e. After the sliding is in place, the sliding steel column is docked with the lower supporting steel column, and the sliding shoe is cut off to complete the construction. In the construction process of the present invention, the force transmission is clear, the force conversion process is uniform and safe, the sliding column has high stability, and the structural sliding process is close to the design state. At the same time, temporary construction measures and large-scale mechanical equipment investment are reduced. Professional construction provides a working surface, reduces the construction safety risk of large machinery entering the site, shortens the construction period, and realizes the safe and stable placement of string trusses with different heights.

Description

technical field [0001] The invention belongs to the field of steel structure building construction, and in particular relates to a construction method for accumulative slippage of stringed trusses with columns of different elevations. Background technique [0002] As a new type of structure, the tension string structure is composed of rigid members with high bending rigidity (solid web beams, trusses, etc.) and high-strength cables. It has a light weight and can span a large space. It has been more and more widely used in large-span space structures such as stadiums, exhibitions, and theaters. The novel and unique shape of this type of building puts forward higher requirements for steel structure construction; the high-altitude sliding construction method should have construction measures compared with traditional construction methods, less investment in mechanical equipment, fast construction speed, safety and reliability, and the required working surface It is more and mo...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a construction method for accumulative sliding of string trusses with columns of different heights, which effectively solves the stability problem in the sliding process of string trusses with different heights, and solves the problem of slipping of string trusses with columns. The safety and stability of the structure during the construction process of tension and tension alternately reduces the temporary construction measures, reduces the investment in large-scale mechanical equipment, provides a working surface for civil engineering and other professional construction, and reduces the need for large-scale machinery to enter the field. The internal construction safety risks are shortened, the construction period is shortened, and the safe and stable placement of string trusses with different heights is realized.

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