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Assembled laminated hollow floor cover and its construction method

A technology of hollow floor and construction method, which is applied in the direction of floors, building components, buildings, etc., can solve the problems of difficult anti-floating treatment of mandrel and undense pouring of bottom slab, and achieve flexible and convenient construction, simple and convenient construction, and high assembly rate Effect

Active Publication Date: 2018-05-04
ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Hollow floor technology has the advantages of reducing building weight, increasing building headroom, saving building materials, and realizing large spans. However, there are still many shortcomings in its application, such as the need to erect a full house of scaffolding on site, the floor is not poured densely, and the mandrel is difficult to deal with floating. Wait

Method used

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  • Assembled laminated hollow floor cover and its construction method
  • Assembled laminated hollow floor cover and its construction method
  • Assembled laminated hollow floor cover and its construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1: The ribbed steel skeleton 52 is a steel bar truss, the lower chord bars of the steel bar truss and the longitudinal steel bars 511 of the prefabricated reinforced concrete lower slab 51 are located on the same plane and arranged in parallel, and the upper chord bar 521A of the steel bar truss is the ribbed steel frame 52 Top: The reinforcement mesh of the upper plate is formed by binding the longitudinal reinforcement of the upper plate and the transverse reinforcement of the upper plate. The longitudinal reinforcement of the upper plate and the upper chord bar 521A of the steel truss are located on the same plane and arranged in parallel.

Embodiment 2

[0042] Embodiment 2: Rib beam steel frame 52 is stirrup rib beam, this stirrup rib beam is made up of two beam gluten bars 521B, two beam bottom bars 522B and a plurality of beam stirrup bars 523B, two beam gluten bars 521B and two The beam bottom bars 522B are arranged along the longitudinal extension of the prefabricated reinforced concrete lower slab 51. The two beam bottom bars 522B and the longitudinal steel bars 511 of the prefabricated reinforced concrete lower slab 51 are located on the same plane. The two beam gluten bars 521B are the rib beam steel skeleton 52 At the top, each beam stirrup 523B is hooped on two beam top bars 521B and two beam bottom bars 522B, and each beam stirrup 523B is evenly spaced along the longitudinal direction of the prefabricated reinforced concrete lower plate 51; The longitudinal steel bar and the upper plate transverse steel bar are bound together, and the upper plate longitudinal steel bar and the two beam gluten bars 521B are located on...

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Abstract

The invention discloses an assembled laminated hollow floor cover and its construction method. The construction method includes steps of applying horizontal steel components welded with a dark beam reinforcing bar, and welding prefabricated battens between two adjacent horizontal steel components in parallel, and assembling multiple prefabricated battens to be a prefabricated bottom plate laminated with a hollow floor cover; paving a core die; using the core die, the prefabricated battens and the horizontal steel components as a base die and pouring concrete to form a cast-in-situ concrete topbeam and a dark beam. In construction process, the prefabricated battens and the horizontal steel components can play the effect of supporting self-weight and construction load, and the core die is not required to perform anti-floating treatment; in use, the prefabricated battens directly transfer force to the vertical components through the cast-in-situ concrete top beam and the dark beam; everyhorizontal steel component is placed in the corresponding dark beam to take synergistic effect with it. The assembled laminated hollow floor cover has the advantages of being high in assembling rate,good in anti-seismic property, free from die erection in construction site and erection of scaffold, quick in construction speed, flexible and convenient to construct; the assembled laminated hollowfloor cover is applicable to the assembling construction of the big-span floor cover.

Description

technical field [0001] The invention relates to an assembled composite hollow floor and a construction method thereof. Background technique [0002] The hollow floor is a cast-in-place reinforced concrete floor structure, also known as the cast-in-place beamless hollow floor. The hollow floor includes steel bars, concrete and a mandrel, the mandrel is embedded in the reinforced concrete, and the mandrel is generally a lightweight material. Hollow-core floors are widely used because of their advantages of reducing building weight, increasing building headroom, saving building materials, and reducing overall cost. [0003] Most of the existing prefabricated floors use reinforced truss floor decks, profiled steel plate composite floors or laminated slabs. These types of floors are generally thinner and have limited spans. [0004] Hollow floor technology has the advantages of reducing building weight, increasing building headroom, saving building materials, and realizing larg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/38
CPCE04B5/38
Inventor 张立平罗赤宇徐卫黎智祥黄瑞瑜陈杰涛
Owner ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE
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