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High-strength building waste regeneration concrete composite beam and construction method thereof

A technology of recycled concrete and construction waste, applied in the direction of buildings, building components, building structures, etc., can solve the problems of occupation, serious environmental and social problems, increase the production cost of building products, etc., to ensure the strength, simplify the construction process and construction Difficulty, manpower saving effect

Pending Publication Date: 2017-06-20
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The amount of waste commercial concrete discharged after demolition and reconstruction in my country's construction industry is huge, which not only brings serious environmental and social problems, occupies increasingly tense land resources in urban construction, but also increases the production cost of construction products

Method used

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  • High-strength building waste regeneration concrete composite beam and construction method thereof
  • High-strength building waste regeneration concrete composite beam and construction method thereof
  • High-strength building waste regeneration concrete composite beam and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 1. According to the design requirements, construct on the wall columns, and reserve construction joints, which are the same as the top elevation of the prefabricated beams.

[0024] 2. In the production factory, use tools such as rubber core molds to complete a number of longitudinal bars set on the length of the high-strength construction waste recycled concrete composite beam 1, a number of closed stirrups vertically set along the long direction of the concave groove 2, and steel nails on the bottom plate The blanking of the 3rd and other parts, the longitudinal reinforcement 1 and the stirrup 2 are welded vertically to each other and the recycled aggregate concrete 4 is poured to make a high-strength recycled aggregate concrete prefabricated concave groove, and the hoisting hook is pre-buried in advance. The inner diameter d of the empty groove of the high-strength recycled aggregate concrete prefabricated concave groove is greater than 50cm.

[0025] 3. After the hi...

Embodiment 2

[0029] 1. According to the design requirements, construct on the wall columns, and reserve construction joints, which are the same as the top elevation of the prefabricated beams.

[0030] 2. In the production factory, use tools such as rubber core molds to complete a number of longitudinal bars set on the length of the high-strength construction waste recycled concrete composite beam 1, a number of closed stirrups vertically set along the long direction of the concave groove 2, and steel nails on the bottom plate The blanking of the 3rd and other parts, the longitudinal reinforcement 1 and the stirrup 2 are welded vertically to each other and the recycled aggregate concrete 4 is poured to make a high-strength recycled aggregate concrete prefabricated concave groove, and the hoisting hook is pre-buried in advance. The inner diameter d of the empty groove of the high-strength recycled aggregate concrete prefabricated concave groove is greater than 50cm.

[0031] 3. After the hi...

Embodiment 3

[0035] 1. According to the design requirements, construct on the wall columns, and reserve construction joints, which are the same as the top elevation of the prefabricated beams.

[0036] 2. In the production factory, use tools such as rubber core molds to complete several longitudinal reinforcements set on the length of the high-strength construction waste recycled concrete composite beam 1, several closed stirrups vertically arranged along the long direction of the concave groove 2, steel nails on the bottom plate The blanking of parts such as 3, the vertical welding between longitudinal bars and stirrups and the pouring of recycled aggregate concrete 4 are made into prefabricated concave grooves of high-strength recycled aggregate concrete, and the hoisting hooks are pre-buried in advance. The inner diameter d of the empty groove of the high-strength recycled aggregate concrete prefabricated concave groove is greater than 50cm.

[0037]3. After the high-strength recycled a...

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Abstract

The invention discloses a high-strength building waste regeneration concrete composite beam and a construction method thereof. A high-strength building waste regeneration concrete composite beam body comprises a high-strength regeneration aggregate concrete prefabricated groove, cast-in-place regeneration block body concrete filled in the high-strength regeneration aggregate concrete prefabricated groove, a plurality of longitudinal bars arranged on a high-strength building waste regeneration aggregate concrete composite beam in the beam-length direction, a plurality of closed stirrups vertically arranged in the groove-length direction and bottom plate steel nails. According to the high-strength building waste regeneration concrete composite beam and the construction method thereof, overall manufacturing is convenient and quick, and the economic benefits are high; according to design of the bottom plate steel nails, adhering between the high-strength regeneration aggregate concrete prefabricated groove and the cast-in-place regeneration block body concrete can be tighter, integrality of the beam is improved, the bearing capacity of the structure is effectively improved, and the deformation property of the beam is improved; and ductility of components is increased, and the high-strength building waste regeneration concrete composite beam and the construction method thereof are applicable to beam structures such as heavy loads, industrial factory buildings, high-rise buildings and the large spans.

Description

technical field [0001] The invention relates to the technical field of civil engineering, and specifically relates to a high-strength construction waste recycled concrete composite beam using construction waste recycled block concrete as a filling material. Background technique [0002] The amount of waste commercial concrete discharged after demolition and reconstruction in my country's construction industry is huge, which not only brings serious environmental and social problems, occupies increasingly tense land resources in urban construction, but also increases the production cost of construction products. In the face of increasingly serious environmental pollution, increasingly tense land supply, and increasingly depleted mineral resources, it is imperative to carry out comprehensive utilization of construction waste. The waste concrete in the construction waste is crushed and used as recycled aggregates to manufacture components in the building structure, which can sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/23
CPCE04B5/23
Inventor 雷斌林天翔兰鹏王鑫焱薛景丹刘学文王泳康熊进刚
Owner NANCHANG UNIV
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