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A High Assembly Rate Concrete Steel Tube Frame Structure System and Connection Method

A steel pipe concrete and frame structure technology, applied in truss structures, building structures, joists, etc., can solve the problems of large installation workload and low assembly efficiency, and achieve the goals of preventing potential safety hazards, improving efficiency, and optimizing the construction environment Effect

Active Publication Date: 2021-02-26
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is the technical problem of large installation workload and low assembly efficiency, so a high assembly rate concrete filled steel tube frame structure system and connection method are proposed

Method used

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  • A High Assembly Rate Concrete Steel Tube Frame Structure System and Connection Method
  • A High Assembly Rate Concrete Steel Tube Frame Structure System and Connection Method
  • A High Assembly Rate Concrete Steel Tube Frame Structure System and Connection Method

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Experimental program
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Effect test

Embodiment 1

[0055] A high-assembly-rate concrete-filled steel tube frame structure system according to the present invention includes concrete columns 1 composed of steel pipes and concrete, composite beams 2 composed of semi-open steel boxes and concrete, concrete slabs 3, and column-to-column flange connection nodes , beam-column joints, post-cast concrete on site, where:

[0056] The lower part of the side wall of the concrete column 1 is penetrated with a reinforced steel sleeve 6, and the wall thickness of the reinforced steel sleeve 6 is greater than that of the concrete column 1 and protrudes 300-500mm from the floor; the lower part of the side wall of the concrete column 1 and the side of the reinforced steel sleeve 6 The walls are provided with a through hole 7 and a through hole 8; the through hole 7 and the through hole 8 respectively run through the column inner anchor bar 9 and the first tie anchor bolt 10; the concrete column 1 and the reinforced steel sleeve 6 first pass thr...

Embodiment 2

[0062] A connection method for a high assembly rate concrete-filled steel tube frame structure system, the specific steps are as follows:

[0063] Step 1. Fix the reinforced steel sleeve 6

[0064] The reinforced steel sleeve 6 is penetrated through the lower part of the concrete column 1, the bottom of the reinforced steel sleeve 6 is 10-20mm higher than the bottom of the concrete column 1, and the through hole 7 and the through hole 8 are opened, and the anchor bar (9) and the second A tie anchor bolt 10 runs through the through hole 7 and the through hole 8 respectively, and the two ends of the anchor bar 9 in the column are folded into a 90° hook with a special tool, and the required concrete column 1 is subjected to this treatment in turn, Leave a concrete column 1 not pierced with anchor bar 9 in the column for subsequent use;

[0065] Step 2. Connect the flange

[0066] The upper flange 4 and the lower flange 5 are respectively welded to the upper and lower ends of th...

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Abstract

The invention discloses a steel pipe concrete frame structure system with a high assembly rate and a connection method thereof, belonging to the field of assembled building structures. Includes concrete columns, composite beams, concrete slabs, column-column flange joints, beam-column joints, post-cast concrete in situ and methods of installation. The upper and lower concrete columns are bolted together through the column top flange and the column bottom flange. The bolts on the column bottom flange are connected with U-shaped steel plates, and the inner bolts of the U-shaped steel plates are connected with composite beams. The concrete slab is installed on the composite beam On the everted flange and the everted flange of the U-shaped steel plate, the tie anchor bolts are anchored for fixing, and finally the concrete is poured after the site is poured. The invention mainly solves the problems of large assembly workload and low installation efficiency of the existing concrete frame structure.

Description

technical field [0001] The invention belongs to the field of prefabricated building structures, and in particular relates to a steel pipe concrete frame structure system with a high assembly rate and a connection method. Background technique [0002] Compared with the reinforced concrete structure system and light steel structure system widely used in residential industrialization at the present stage, the steel tube concrete composite structure system has the advantages of fast construction speed of steel structure, high rigidity of concrete structure, low cost, and high bearing capacity. Good shape and toughness, convenient production and construction, good fire resistance, etc., have good working performance and economic benefits. [0003] In the existing concrete-filled steel tube frame structure, the concrete inside the steel tube is generally cast-in-place, and the pouring workload is heavy, the vibration is inconvenient, and it is difficult to detect and control the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C3/34E04C3/20E04B1/58
CPCE04B1/5831E04C3/20E04C3/34
Inventor 吴二军邵辉学付金笛蒋勇金仁才正清柳荣芳
Owner CHINA MCC17 GRP
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