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Construction Method of Large Reinforced Concrete Frame Beam

A technology of reinforced concrete and construction method, which is applied in construction, building structure, processing of building materials, etc., can solve problems such as inconvenience, and achieve the effect of simple operation, reduced construction cost and good project quality.

Active Publication Date: 2016-06-01
MCC5 GROUP SHANGHAI CORPORATION LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Therefore known large-scale reinforced concrete frame beam formwork forms once, and there is above-mentioned inconvenience and problem in the construction method of pouring once

Method used

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  • Construction Method of Large Reinforced Concrete Frame Beam
  • Construction Method of Large Reinforced Concrete Frame Beam
  • Construction Method of Large Reinforced Concrete Frame Beam

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Experimental program
Comparison scheme
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Embodiment 1

[0027] Large reinforced concrete frame beam construction method of the present invention is characterized in that comprising the following steps:

[0028] a. Set up supporting scaffolding

[0029] figure 1 It is a schematic diagram of the scaffolding support on the upper part of the base girder in the embodiment of the present invention. As shown in the figure, the 400×1600 bottom girder 4 at the base girder 2 of the grinding main workshop + 10.5 m is used as the supporting load-bearing beam of the 4500 mm frame beam 6 at + 23 m, and the support is erected Scaffolding 1 reaches the design height. The scaffolding 1 is erected with ordinary Φ48×3.5 steel pipes. The scaffolding step is 1.50m. Three vertical poles are used to support the bottom of the frame beam 6. Screw jacks are installed on the top of the vertical poles. The spacing along the beam span direction is 400mm. The step distance is 1.50m, the distance between the columns on both sides of the beam is 1.00m, and the l...

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Abstract

The invention discloses a method for constructing a large-sized reinforced concrete frame beam. The method is characterized by comprising the following steps of: a, erecting a supporting scaffold; b, supporting a frame beam template for the first time; c, pouring concrete for the first time; d, supporting the frame beam template for the second time; e, pouring the concrete for the second time; and f, forming a post construction joint and a frame beam construction joint. The method for constructing the large-sized reinforced concrete frame beam has the advantages of shortening construction periods and substantially reducing project construction cost, along with a reasonable manufacturing step design, simplicity in operation and high project quality.

Description

technical field [0001] The invention relates to a construction method of a civil structure, in particular to a construction method of a large reinforced concrete frame beam. Background technique [0002] In industrial buildings, due to the needs of the production process, there are a large number of large reinforced concrete frame beams. The height of such large reinforced concrete frame beams can reach more than several meters, and the elevation of the beams is relatively high, so it is difficult to support construction scaffolding. In order to ensure the safety of the support system, the traditional girder scaffolding support uses formwork for one-time molding and one-time pouring, uses section steel as the support system, and uses steel formwork for formwork support. Due to the huge consumables of the section steel support system, the project cost is very huge, the construction period is long, and the construction is extremely difficult. [0003] Therefore known once mol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/02
Inventor 高文建粱正德苏元洪胡容高峰
Owner MCC5 GROUP SHANGHAI CORPORATION LIMITED