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Horizontal unloading construction method of tower building temporary support girders

A technology for temporary support and tower construction, which is applied in construction, building structure, and construction material processing, etc. It can solve the problem of jack loosening and synchronous operation with many operators, difficulty in making and installing reaction frame, and difficulty in personnel operation, etc. problems, to achieve obvious unloading effect, uniform and simultaneous stress release, and reduce the difficulty of construction

Inactive Publication Date: 2010-11-03
SCEGC MECHANIZED CONSTR GRP COMPANY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the main disadvantages and deficiencies of this scheme are: first, it is difficult to manufacture and install the reaction frame; second, it is difficult to fix the jack in a horizontal and horizontal manner; difficult

Method used

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  • Horizontal unloading construction method of tower building temporary support girders
  • Horizontal unloading construction method of tower building temporary support girders
  • Horizontal unloading construction method of tower building temporary support girders

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Embodiment Construction

[0039] Such as figure 1 , figure 2 As shown, the temporary support truss constructed by the present invention is a horizontal truss and it consists of an upper chord 1, a lower chord 3, and a plurality of webs 2 installed between the upper chord 1 and the lower chord 3. The temporary support truss The quantity is one or more and its upper chord 1 and lower chord 3 are all made of steel pipes.

[0040] In this embodiment, what is unloaded horizontally is the four reinforced steel pipe connection trusses added in the four directions of the S, R, P, and N axes at an elevation of 79-84 meters between the two hands during the construction of the Heshi stupa of Famen Temple. 4 temporary support trusses. The temporary support truss is supported by two steel pipe lattice columns, and the elevation of the upper chord 1 of each temporary support truss is 84 meters, the elevation of the lower chord 3 is 79 meters, and the elevation of the bottom of the supporting steel column is 54 me...

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Abstract

The invention discloses a horizontal unloading construction method for tower type building temporary support truss. The method includes the following steps: preparation work before unloading: determining the stress releasing position of the temporary support truss and mounting a flange and opposed bolts; determining the stress testing point position of the temporary support truss, measuring the actual stress value and recording the measured value; cutting all the web members in the area of the opposed bolts; and a hot melt extending method is adopted for unloading, wherein the method includesthe following steps: adopting subarea hot melt extending method to perform hot melt extending to all the temporary support trusses at the same time and perform holt melt extending gradually to all the temporary support trusses for many times, and gradually releasing the stress of the upper and lower booms of the temporary support trusses in the area of the opposed bolts to complete unloading. Thehorizontal unloading construction method has simple operation process, obvious unloading effect, and strong operability, and can gradually and stably transfer the borne stress and stress of the temporary support truss to the self bearing system of the tower type building structure.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a construction method for horizontally unloading a temporary support truss of a tower building. Background technique [0002] The Heshi Stupa of Famen Temple is ingeniously conceived and novel in design. It is a conceptual design. The front facade of the Heshi Stupa is a folded-line cantilevered symmetrical structure. The Heshi stupa of Famen Temple adopts a steel-concrete composite structure. The total building height of the main tower is 148 meters (the height of the concrete tower is 127 meters), the main plane is 54×54 meters, and the ground part has 12 floors. meters, and the remaining layers are 10 meters. In order to realize the architectural shape, the inflection points of the tower body are set at the heights of 24 meters, 44 meters (back of the hand), 54 meters (palm of the hand), and 74 meters respectively. Inclined inward at an angle of 14.8422 degree...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/00
Inventor 雷文秀
Owner SCEGC MECHANIZED CONSTR GRP COMPANY
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