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Step-by-step hoisting construction method of mega-frame steel truss beam

A giant frame and steel truss girder technology, which is applied in the hoisting method of giant frame steel truss girders on high-rise buildings, can solve the problem that the lifting capacity of tower cranes cannot be fully utilized, masts/pulling rods cannot be safely operated, and high-altitude hoisting cannot be performed, etc. problems, to achieve the effect of reducing investment in machinery and equipment, shortening the construction period, and shortening the construction period

Inactive Publication Date: 2014-07-02
JIANGSU NANTONG NO 6 CONSTR GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Aiming at the major technical problems of high-altitude hoisting of such large components, we have carried out a full analysis and comparison. Crawler or wheeled cranes are limited by the length of the boom and cannot perform high-altitude hoisting operations; Small, can't anchor the wind rope, mast / puller can't work safely
If a tower crane is used to lift it into place at one time, one 560T·M or two 250T·M tower cranes need to be invested. Not only the investment in construction machinery is too large, but also the lifting capacity of the tower crane cannot be fully obtained when constructing on floors other than the transfer floor. use
Therefore, the traditional hoisting method cannot solve or cannot solve this technical problem economically.

Method used

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  • Step-by-step hoisting construction method of mega-frame steel truss beam
  • Step-by-step hoisting construction method of mega-frame steel truss beam
  • Step-by-step hoisting construction method of mega-frame steel truss beam

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Embodiment Construction

[0072] In order to further describe the technical solution of this patent, so that this technical field can be implemented according to what we have described, let us illustrate with examples below:

[0073] The steel trusses were hoisted in place through step-by-step hoisting using tower cranes, roller bars, and gantry cranes successively. First use the tower crane as the main vertical transportation machine, make full use of the maximum lifting capacity of the tower crane, lift the steel truss from the ground, lift it to the floor of the first floor below the transfer floor, and place it close to the tower body; then Through the translation device on the floor, the steel truss is shifted to the bottom of the gantry, and finally the steel truss is hoisted from the floor with a gantry crane, lifted to the installation level, and finally fixed in place.

[0074] The gantry is composed of installed structural steel columns and specially fabricated tool-type steel beams ( Figu...

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Abstract

The invention relates to hoisting of a mega-frame steel truss beam, in particular to a hoisting method of a mega-frame steel truss beam on a high-rise building with a steering layer. According to the technical aim, when a transfer layer is additionally arranged on the high-rise building, the steel truss beam of the transfer layer can be installed without high-altitude hoisting of a large structural member. The high-altitude hoisting of the large structural member can be decomposed to be two-step combined hoisting, only a small-tonnage tower crane and a simple gantry crane are required, supporting columns of the gantry crane utilize structural steel columns ingeniously, steel cross beams of the gantry crane are elaborately designed to be in a three-section assembled type, and therefore the investment of mechanical equipment is reduced, construction cost is lowered, social resources are saved, and remarkable economic benefits are achieved.

Description

technical field [0001] The invention relates to the hoisting of a giant frame steel truss girder, in particular to the hoisting method of the giant frame steel truss girder on a high-rise building with a diversion floor. Background technique [0002] The steel truss of the transfer floor must be integrally fabricated and hoisted as a whole. Aiming at the major technical problems of high-altitude hoisting of such large components, we have conducted a full analysis and comparison. Crawler or wheeled cranes are limited by the length of the boom and cannot perform high-altitude hoisting operations; Small, unable to anchor wind ropes, mast / pulling mast cannot work safely. If a tower crane is used to lift it into place at one time, one 560T·M or two 250T·M tower cranes need to be invested. Not only the investment in construction machinery is too large, but also the lifting capacity of the tower crane cannot be fully obtained when constructing on floors other than the transfer flo...

Claims

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Application Information

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IPC IPC(8): E04G21/14
Inventor 邹科华卢兴明许荣华冒小玲陈佳佳
Owner JIANGSU NANTONG NO 6 CONSTR GRP
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