Bailey truss double-layer bidirectional arrangement high-supported formwork construction method

A construction method and beret technology, which is applied in the direction of erecting/assembling bridges, bridges, buildings, etc., can solve the problems of inability to meet the bearing capacity and stability, heavy load, height, etc., to solve the problems of insufficient bearing capacity and stability, The effect of large span and high erection height

Inactive Publication Date: 2017-09-05
中建五局第三建设有限公司
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Problems solved by technology

Although the above-mentioned support systems have their own advantages and disadvantages, without exception, all support systems use small-diameter steel pipes as vertical supports. and stability" requirements

Method used

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  • Bailey truss double-layer bidirectional arrangement high-supported formwork construction method
  • Bailey truss double-layer bidirectional arrangement high-supported formwork construction method
  • Bailey truss double-layer bidirectional arrangement high-supported formwork construction method

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Embodiment Construction

[0044] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0045] Such as Figure 1 to Figure 11 ,

[0046] Step 1. Carry out the construction of the lattice type steel pipe column;

[0047] Level the site, carry out independent foundation 2 lofting, and construct lattice steel pipe columns. Each group of lattice steel pipe columns includes a reinforced concrete column 1 and four steel pipe columns 3. The reinforced concrete independent foundation 2 at the bottom of each steel pipe is placed and pre-embedded Part steel plate 14, see Fig. 4, embedded part steel plate 14 is welded by threaded steel bar 13 and steel plate 14 perforated plugs;

[0048] Weld the standardized flange 16 to the steel plate 14 of the embedded part, and at the same time use a fixed steel block 15 with a thickness of 10 mm to 20 mm to fix the steel pipe column 3 and the steel plate 14 of the embedded part, see Figure 5, the fi...

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Abstract

A kind of double-layer two-way layout high formwork construction method of Bailey frame, comprises the following steps: (1) the construction of lattice type steel pipe column, comprises the construction of independent foundation under steel pipe column, the arrangement of oblique support between steel pipe column, lattice structure Erection of the I-steel cover beam on the top of the lattice-type steel pipe column; (2) Lay the main Bailey frame on the upper part of the I-steel cover beam of the lattice-type steel pipe column, parallel to the direction of the main beam, and used for the lower support of the main beam during concrete pouring ;(3) Lay the secondary Bailey frame on the upper part of the main Bailey frame, parallel to the direction of the secondary beam, for the lower support of the secondary beam concrete pouring; (4) Lay the I-beam distribution beam on the upper part of the main and secondary Bailey frame , evenly transfer the upper load to the lower Bailey frame; (5) Set up a scaffold above the I-beam distribution beam for the formwork of the primary and secondary beams. The present invention adopts a high-support formwork system combined with lattice-type steel pipe columns and Bailey beams arranged vertically and horizontally, which has good strength, rigidity and stability, high erection height and large span, effectively solving the bearing capacity and The problem of insufficient stability and limited erection height is suitable for concrete pouring of beams with high height from the ground, large cross-section and large span, and vertical and horizontal arrangements.

Description

technical field [0001] The invention relates to a construction method for high formwork support of concrete platform beams, in particular to the concrete pouring situation in the field of house construction where the formwork system is high and the primary and secondary beams with large spans and cross sections are staggered. Background technique [0002] In the field of housing construction, the commonly used formwork support systems are as follows: fastener scaffolding, bowl-buckle scaffolding, wheel-buckle scaffolding, socket-type scaffolding, and door-type scaffolding. In recent years, my country has introduced foreign formwork support technology in the construction field, such as the Spanish T60 tower steel pipe support frame technology. Comparing and analyzing these formwork support technologies, we can find that the layout of these formwork support systems is relatively flexible. Except for the disadvantages of "arbitrary structure, obvious node differences, and low o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 郭朋鑫何昌杰谭立新蒋立红吴智黄虎
Owner 中建五局第三建设有限公司
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