Composite Floor Slab with Lattice Two-way Beam and Its Construction Method

A technology of combining floor slabs and construction methods, applied in the directions of slabs, joists, girders, etc., to achieve the effects of improving on-site construction efficiency, light weight, construction safety and quality stability

Active Publication Date: 2019-08-27
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: to provide a lattice two-way beam composite floor and its construction method, aiming to break through the problem of large steel consumption and low load efficiency of the current house building floor, further reduce the cost reasonably, and improve the bearing capacity. force, prolong service life

Method used

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  • Composite Floor Slab with Lattice Two-way Beam and Its Construction Method
  • Composite Floor Slab with Lattice Two-way Beam and Its Construction Method
  • Composite Floor Slab with Lattice Two-way Beam and Its Construction Method

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Embodiment 1

[0040] Such as figure 1 As shown, the trusses 9 are arranged in vertical and horizontal directions, and the trusses are segmented by two nodes, which can be made in a unified manner. The truss segments are connected to the node centerpieces of adjacent nodes. In this embodiment, the node centerpieces are vertical rectangles Tube 5, a typical rectangular tube is a square tube with the same length on each side of the cross-section, and the four outer sides of the square tube are connected with the truss section, such as figure 2 , the upper and lower chords of the four-section truss are fixedly connected to the upper and lower ends of the four sides of the square tube respectively.

[0041] A specific fixed connection method such as figure 2 , image 3 As shown, connecting slots 4 are symmetrically welded at the connection between the upper end and the lower end of the four sides of the rectangular tube 5, and the connecting slot 4 is provided with a pair of parallel side pl...

Embodiment 2

[0045] Such as Figure 4 As shown, the truss 9 is connected to the node central piece from the vertical and horizontal directions, and the node central piece is a vertically welded gusset plate 7 ( Figure 6 ), the horizontal section of the gusset plate 7 is a centrally symmetrical cross, and the chords 1 of the upper and lower floors of the four-section truss are fixedly connected to the upper and lower ends of the four protruding wing plates of the gusset plate 7 respectively.

[0046] The chord 1 is formed by a pair of symmetrically arranged angle steels fixedly connected back to each other, each side wing plate of a pair of angle steels is on a horizontal plane, and the other side wing plate fixedly clamps the connecting plate 8, as Figure 6 As shown, in the upper chord, the horizontally arranged flaps are at the upper part, and the interconnected flaps are vertically arranged at the lower part of the upper chord; on the contrary, the horizontally arranged flaps are at th...

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Abstract

The invention provides a lattice two-way beam composite floor and a construction method thereof. The composite floor comprises a two-way beam and a floor plate laid on the beam, the two-way beam fixedly constitutes a net-shaped plane beam frame through trusses (9) in at least two directions and a node (2) in the junction of the trusses, each truss (9) is fixed integrally by upper layer chord rods (1) of an upper layer and a lower layer through a connecting rod (3) between the chord rods, and the chord rods of the upper layer and the lower layer in all directions of the trusses are fixedly connected respectively through a node center piece at the node (2). In the lattice two-way beam composite floor and the construction method thereof, a truss section and the node center piece can be prefabricated and modularized, and are spliced and fixed into the integral two-way beam on the ground or a support, and the floor plate is laid on the two-way beam. According to the lattice two-way beam composite floor and the construction method thereof, the steel using amount of a house building is reduced, the floor plate load performance is obviously improved, all the two-way beam structures can share load pressure for any local load, and the using efficiency is greatly improved; the construction speed is also obviously increased, and the efficiency and the quality are also obviously improved.

Description

technical field [0001] The invention relates to building construction technology, in particular to a lattice structure two-way beam composite floor slab and a construction method thereof. Background technique [0002] The floor slabs of large-area buildings are laid on the longitudinal beams erected on the walls or beam supports, and the floor beams are the key to the load bearing of the floor slabs. Existing floor beams are arranged independently in one direction. The main body of the floor beams is parallel single beams erected in a row on the wall or beam support, and the floor panels are laid on them. Its advantage is that the production and construction are intuitive, and the manufacture is simple and fast. However, in the local floor area, a single beam independently bears the pressure, and the load-bearing requirements of each beam are high. In the area that does not bear high pressure, the beam load has a large redundancy. Even if the overall redundancy is large, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B5/14E04C3/08
Inventor 王小平
Owner WUHAN UNIV OF TECH
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