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Floor slab through type steel-concrete combined flat beam floor system structure and building thereof

A concrete and floor technology, applied to floors, buildings, building components, etc., can solve problems such as difficulty in implementation, poor anti-corrosion and fire protection performance, and energy waste

Pending Publication Date: 2021-07-30
中铁房地产集团北方有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Among them, when the traditional steel structure beam-slab structure is popularized and applied to steel-structure assembled houses, there are exposed steel beams, which affect furniture placement and indoor viewing; The validity period of the installation is much shorter than the service life of the structural design. During the residential service period, it is necessary to carry out maintenance and replacement of anti-corrosion and fire-proof coatings, and it is difficult to implement. Therefore, it is impossible to make the best use of things, resulting in a waste of energy
[0004] At the same time, the height of the floor structure is relatively large, which occupies more building height. Under the condition of height limit, the number of building floors that can be built is affected, which affects the enthusiasm of developers to choose steel structure prefabricated houses.

Method used

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  • Floor slab through type steel-concrete combined flat beam floor system structure and building thereof
  • Floor slab through type steel-concrete combined flat beam floor system structure and building thereof
  • Floor slab through type steel-concrete combined flat beam floor system structure and building thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] like figure 1 As shown, the under-floor steel-concrete composite flat beam floor structure provided in this embodiment includes: a floor 10 and a steel beam 20; the steel beam 20 is hidden within the height range of the floor 10 .

[0059] The floor 10 includes a concrete precast slab 11 and an existing structural layer; the steel beam 20 includes an upper flange 22, a lower flange 21 and a web 23; the end of the concrete precast slab 11 includes an overlapping portion 11a , the overlapping portion 11a is overlapped on the lower flange 21; the existing structural layer is laid above the concrete prefabricated slab 11, and the upper flange 22 is embedded in the existing structural layer . The web 23 is provided with a reinforcement hole 23a and a pipeline hole 23b at intervals, which are respectively used for piercing the perforated steel bar and the pipeline of the ground heating layer 14, and allows the concrete on both sides of the web 23 to pass through to improve ...

Embodiment 2

[0087]The structure of this embodiment is basically the same as that of Embodiment 1, the difference is that:

[0088] like Figure 7 As shown, the steel beam 20 is an equal-flange steel beam 20, and one or several gaps 22b are opened on the upper flange 22, and the overlapping portion 11a of the prefabricated concrete slab 11 is inserted into the upper flange 22 from the outside through the gap. and the lower flange 21 , the rear translations are arranged side by side in sequence, and finally lapped on the lower flange 21 .

[0089] like Figure 8 As shown, it also includes a rib plate 60 for covering the gap and reinforcing the gap; after the prefabricated concrete panel 11 is installed, the rib plate covers the gap, and the two ends of the rib plate pass through The bolts are fixedly connected to the edges on both sides of the gap in the upper flange 22 .

[0090] The upper flange 22 and the lower flange 21 of the equal-flange steel beam 20 clamp the overlapping portion ...

Embodiment 3

[0092] This embodiment discloses a building adopting the above-mentioned under-floor steel-concrete composite flat beam floor structure, which also includes a composite column for supporting the steel beam.

[0093] like Figure 15 As shown, the two ends of the steel beam 20 are connected to the steel pipe 110 in the laminated column 100 through the extended corbel 160 , and the steel beam 20 is hidden within the height range of the floor 10 .

[0094] like Figure 9 As shown, the composite column 100 includes a steel pipe 110, a concrete column 120 filled in the tube, a concrete layer 130 outside the tube, and a steel skeleton; the steel tube 110 is provided with a concrete column 120 filled in the tube formed by filling and pouring during prefabrication; the concrete layer 130 outside the tube is wrapped in The outer side of the steel pipe 110; the steel skeleton is buried in the concrete layer 130 outside the pipe; the two ends of the steel pipe 110 are respectively provid...

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Abstract

The invention provides a floor slab through type steel-concrete combined flat beam floor system structure and a building thereof, and relates to the field of buildings. The floor slab through type steel-concrete combined flat beam floor system structure comprises a floor system and steel beams; and the steel beams are hidden in the height range of the floor system. The steel beams are not exposed, and the building indoor effect is good; the steel structure integrates fire prevention, corrosion prevention and decoration, is good in corrosion prevention and fire prevention performance and free of maintenance in the use period; pipelines and the structure are integrated, and the floor system structure is small in height; the floor system is good in stress performance and high in integrity; the floor system structure has the advantages that components are prefabricated in a factory, on-site prefabricated construction is achieved, the construction efficiency is high and the construction period is short, the problems and defects existing in application of an existing beam-slab floor system structure in a steel structure assembly type house are solved, and the floor system structure has good application and popularization prospects in the steel structure assembly type houses.

Description

technical field [0001] The invention relates to the field of building technology, in particular to a green and energy-saving under-slab steel-concrete composite flat beam floor structure and its building. Background technique [0002] In steel structure engineering, the floor slabs are usually cast-in-place concrete floor slabs, profiled steel plate composite floor slabs, steel truss floor slabs and other floor slab forms. The floor slab is located on the upper flange of the steel beam, and the two work together through the studs welded on the steel beam. The beam-slab structure has the advantages of high structural height, good mechanical performance, convenient construction, and good economy, and has been widely used in public buildings such as office buildings, shopping malls, and schools. [0003] Among them, when the traditional steel structure beam-slab structure is popularized and applied to steel-structure assembled houses, there are exposed steel beams, which affect...

Claims

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Application Information

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IPC IPC(8): E04B5/17E04B1/76E04B1/82E04B1/94E04B1/64E04H1/02F24D13/02
CPCE04B1/642E04B1/76E04B1/82E04B1/94E04B5/17E04H1/02F24D13/024Y02B30/00
Inventor 赵灿陈焕朵刘厂代春利王晓飞王旭於立雄宋大祝周同朱书梅郭忠凯王蔚李晓龙姜宇成江岳珺孙艺芳尹智鑫徐博
Owner 中铁房地产集团北方有限公司
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