A double girder floor structure

A technology of cover structure and beam structure, which is applied to floors, building components, building structures, etc., can solve the problems of inability to standardize the production of main components in factories, poor ductility of beamless slabs, etc., and achieve easy processing and installation, reduce beam height, Avoid uneven stress

Active Publication Date: 2019-05-17
杨大刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because there are no beams in the beamless floor structure, the load on the slab surface is directly transmitted from the slab to the column. It has the advantages of simple structure, simple force transmission path, high clearance utilization rate, and beautiful appearance. It is conducive to ventilation, easy to arrange pipelines and construction. However, the beamless floor structure requires thicker slabs and higher strength concrete and steel bars. From the perspective of structural performance, the ductility of the beamless slab is poor, and the failure of the slab at the column cap or column top is a brittle shock. cut damage
[0005] The beamless hollow floor structure is an improved version of the beamless floor structure. Although it overcomes some shortcomings of the beamless floor structure, it still needs to process steel bars at the construction site, bind the steel bars, and then pour concrete on site to complete the beam and floor. Formwork and full scaffolding are required for pouring concrete, and the main components cannot be manufactured in a standardized manner in a factory

Method used

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  • A double girder floor structure
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  • A double girder floor structure

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Experimental program
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Effect test

Embodiment 1

[0037] like figure 1 , 2 , 3, 4, and 10, the present invention provides a double-girder floor structure, including several supporting units 1, the number of supporting units 1 and the density of the arrangement are determined according to the actual needs of the floor , the adjacent support units 1 are connected by two parallel longitudinal and transverse beams 2, and then a square-hole network structure is formed with the support units 1 as nodes and the longitudinal and transverse beams 2 as links; this square-hole network support The structure is easy to process and install, with few types of components and strong standardization, which improves the installation efficiency.

[0038] More specifically, as figure 1 , 2, 3, and 4, the support unit 1 of this embodiment includes a well-shaped beam 10, a cross beam 11, and a support column 12, and a plurality of well-shaped beams are fixedly connected with a plurality of vertical and horizontal beams, thereby forming a mutual ...

Embodiment 2

[0041] The double-girder floor structure of the second embodiment is basically the same as that of the first embodiment, the difference lies in that the structure of the well-shaped girder 10 and the connection mode between the supporting units 1 of this embodiment are different from the first embodiment.

[0042] Specifically, as Figure 5 , 6 , 7, 8, 9, and 10, the well-shaped beam 10 includes H-shaped steel A20, H-shaped steel B21 and H-shaped steel C22, two H-shaped steels B21 are welded between two H-shaped steels A20 arranged in parallel, two H-shaped steels B21 The distance between them is the same as the distance between two H-shaped steel A20, H-shaped steel B21 is perpendicular to H-shaped steel A20; H-shaped steel C22 is welded on the outside of H-shaped steel A20, and is in a straight line with H-shaped steel B21, the above-mentioned H-shaped steel A20 , H-shaped steel B21 and H-shaped steel C22 have formed a well-shaped beam 10 structure; the end of H-shaped stee...

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Abstract

The invention discloses a double beam floor structure. The double beam floor structure comprises supporting units. Every two adjacent supporting units are connected through two parallel longitudinal beams or two parallel cross beams to form a square-hole netty structure with the supporting units as nodes and the longitudinal beams and the cross beams as links. Each supporting unit comprises a groined beam, a rood beam and a supporting column, wherein the rood beam is arranged in the center of the groined beam and is connected with the cross points of the groined beam, and the supporting column is fixedly connected with the center of the rood beam. According to the double beam floor structure, the square-hole netty structure is formed through the supporting units, the longitudinal beams and the cross beams. Compared with traditional beam-slab type floor structures, primary beams and secondary beams are not distinguished in the netty structure any more, and force transfer between the beams, between the beams and floorslabs, as well as between the beams and the supporting columns is more uniform, the condition that part of the beams are not stressed uniformly and accordingly waste is caused is avoided, and the double beam floor structure has the advantages that the load-bearing effect is good, the height of the beams is decreased, and the cost is reduced.

Description

technical field [0001] The invention relates to the field of building structures, more specifically, to a supporting structure system of a floor, which is a double-beam floor structure. Background technique [0002] Currently, the structural systems used in the construction of floors mainly include ordinary beam-slab structures, beamless floor structures and hollow beamless floor structures. [0003] Ordinary beam-slab structures require main beams and more secondary beams on the main beams, so the beam heights of ordinary beam-slab structures are relatively high, and the required storey height is very high. [0004] Because there are no beams in the beamless floor structure, the load on the slab surface is directly transmitted from the slab to the column. It has the advantages of simple structure, simple force transmission path, high clearance utilization rate, and beautiful appearance. It is conducive to ventilation, easy to arrange pipelines and construction. However, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B5/14
CPCE04B5/14
Inventor 杨大刚
Owner 杨大刚
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