Layer-by-layer overhanging structure lifting method

A hoisting method and overhanging technology, which is applied to special structures, building components, building structures, etc., and can solve construction problems

Inactive Publication Date: 2011-07-06
SHANGHAI MECHANIZED CONSTR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the above-mentioned problems in the existing construction technology of adopting support under the cantilever structure during the construction of the cantilever structure, the present invention provides a new hoisting method of the unsupported cantilever structure and solves the problems existing in the conventional method. construction problems

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Embodiment Construction

[0007] The entire large cantilever structure is decomposed layer by layer according to the structural characteristics, and then the cantilever segmented structure decomposed layer by layer and the relevant steel beams on the floors are combined into several hoisting units, and temporary rods are installed on each hoisting unit Reinforce the connection, hoisting is carried out layer by layer from bottom to top, first hoist the hoisting unit of the bottom cantilever segment structure, and make a fixed connection with the building, after the installation of the bottom cantilever segment structure is completed , then hoist the hoisting unit of the sub-lowest cantilevered sub-structure, and fix it with the cantilevered sub-structure of the lowest level and the steel beams of the relevant floor structure, and repeat the above steps until the cantilevered sub-structure of the highest level is installed, and finally removed Temporary reinforcements. It is characterized in that the hoi...

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Abstract

The invention relates to a layer-by-layer overhanging structure lifting method economically and efficiently solving the problem of construction of a large overhanging structure which needs to be simultaneously constructed with buildings both arranged above and below the large overhanging structure within an overhanging projection range. The layer-by-layer overhanging structure lifting method is characterized in that the integral large overhanging structure is sectioned layer by layer according to structural feature composition and lifting mechanical property; then the lowest section of an overhanging sectioned structure which is sectioned layer by layer and relative bonding floor steel beams are combined into a plurality of lifting unit bodies after stable reinforcement measures are taken; and the lifting unit bodies are lifted to be installed in place and then stabilized by utilizing the stresses of self structures without arranging large-size supports on lower parts. The layer-by-layer overhanging structure lifting method can save a large quantity of construction supports and reduce the cost; the work of the building positioned below the overhanging structure is not influenced during the construction of the overhanging structure, therefore a construction operation face is created, and construction progress is accelerated.

Description

Technical field: [0001] The invention relates to a construction method of a cantilevered structure, which is a hoisting method of a cantilevered structure layer by layer. Background technique: [0002] With the development of society, there are more and more various special-shaped structures. At the same time, the owners have higher and higher requirements on the construction period and organization of the project construction, and the environment of the project construction has become more demanding and complex. At present, some architectural designs are more fashionable and advanced, and a large number of unconventional buildings appear. For example, the China Pavilion of the 2010 Shanghai World Expo is a large cantilevered structure that cantilevered floor by floor. The overhanging distance is up to 35 meters. If the conventional construction method is adopted, a temporary support is set under the projection of the large overhanging structure, and then the overhanging str...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/35E04B1/34E04G21/14
Inventor 罗魏凌项海龙郑立忠郑双
Owner SHANGHAI MECHANIZED CONSTR GRP
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