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Method for constructing Y shape pillar and suspended declined beam

A construction method and oblique beam technology, which are applied in the fields of formwork/formwork/work frame, on-site preparation of building components, and construction, can solve the problems of difficult construction, low safety factor, and high cost of stadiums, and achieve the solution Small subsidence and displacement, saving engineering costs, and firm fixation

Inactive Publication Date: 2004-07-07
中国建筑第八工程局中南公司
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Problems solved by technology

At the same time, these novel designs have also brought various difficulties to the construction of sports venues and posed severe challenges to the construction industry.
During the construction of huge cantilever beams, the axial pressure and horizontal thrust generated by the self-weight of the concrete are huge. It is extremely difficult to rely on conventional formwork and other support systems to counteract, the safety factor is not high, and the cost is high

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  • Method for constructing Y shape pillar and suspended declined beam
  • Method for constructing Y shape pillar and suspended declined beam
  • Method for constructing Y shape pillar and suspended declined beam

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Embodiment Construction

[0024] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. A stadium project is the third largest project in the country, and its project uses Y-shaped columns and stepped large inclined beams as the main structural support system. As shown in attached drawings 1-4, the vertical section of the Y-shaped column is 13.7m high, the elevations at the oblique forks are 20.5m and 27.9m respectively, and the maximum cross-section of the column is 1000×5618mm. 56 concrete columns support all stands through stepped inclined beams And the upper structure, the oblique beam is 40m long in the axial direction, is a variable cross-section beam, and its maximum cross-section is 1200×2840mm, the lowest point of the oblique beam is 12.70m, the highest point is 37.03m, the inclination angle is 33.13 degrees, the cantilever length It is 8.68m.

[0025] The first difficulty in the con...

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Abstract

A construction method for Y-shaped column and overhung great inclined beam features that the Y-shaped column and the overhung great inclined beam are segmented and each segment is constructed along with its connected floor slab, beam, column and other concrete structure by concreting at same time to integrate them as a whole to bear the axial pressure and horizontal push force generated by the dead weight of said great inclined beam. Its scaffold is the combination of multifunctional one and ordinary one.

Description

technical field [0001] The invention belongs to a construction method for beams and columns of large buildings, in particular to a construction method for beams and columns of buildings with large cantilevered beams. Background technique [0002] With the progress of the times, the design of large-scale buildings is becoming more and more novel, and various latest scientific research achievements are widely used in the design, and innovations emerge in endlessly. Cantilevered large inclined beams are often used in the design of large stadiums. The elevation of the large inclined beams in this design can be nearly 40 meters, and the length of the cantilevered part is nearly 10 meters. It makes the stadiums tall and straight, magnificent and majestic. At the same time, these novel designs have also brought various difficulties to the construction of sports venues and posed severe challenges to the construction industry. During the construction of the ...

Claims

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Application Information

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IPC IPC(8): E04B1/20E04B1/35E04G13/00
Inventor 戈祥林杨俊陈新
Owner 中国建筑第八工程局中南公司
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