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Method for preparing recycled concrete by using sucrose water reducer and recycled concrete

A technology of recycled concrete and water reducer, applied in the field of recycled concrete, can solve the problems of poor mechanical properties of recycled concrete, achieve performance improvement, wide application, and reduce pollution and damage

Inactive Publication Date: 2012-02-22
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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Problems solved by technology

[0004] The technical problem solved by the present invention is to provide a method for preparing recycled concrete using sucrose water reducing agent and recycled concrete, so as to overcome the technical problem of poor mechanical properties of recycled concrete in the prior art

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  • Method for preparing recycled concrete by using sucrose water reducer and recycled concrete
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  • Method for preparing recycled concrete by using sucrose water reducer and recycled concrete

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Embodiment Construction

[0023] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.

[0024] like figure 1 As shown, the specific embodiment of the present invention is: provide a kind of method utilizing sucrose water reducing agent to prepare recycled concrete, comprise the steps:

[0025] Step 100: mixing sand and cement, that is, stirring and mixing an appropriate amount of cement and sand according to the requirements of the mix ratio of different concrete grades. During the specific implementation process, an appropriate amount of cement and sand is stirred and mixed for 20 seconds to 40 seconds, and usually, an appropriate amount of cement and sand is stirred and mixed for 30 seconds.

[0026] Step 200: Prepare a mixture of water and sucrose water reducer, namely: add an appropriate amount of sucrose water reducer into water and stir to mix.

[0027] Step 300: Forming cement mortar, that is: adding a mixture of cement and ...

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Abstract

The invention relates to a method for preparing recycled concrete by using a sucrose water reducer and recycled concrete. By adding the sucrose water reducer, the mechanical properties of the recycled concrete are greatly improved; meanwhile, calcium saccharate serves as waste residue in the sugar industry, and the environmental pollution is lightened. By improving the properties of the recycled concrete, the recycled concrete is more widely applied.

Description

technical field [0001] The invention relates to a method for preparing recycled concrete and recycled concrete, in particular to a method for preparing recycled concrete by using a sucrose water reducer and recycled concrete. Background technique [0002] The amount of waste concrete demolished every year in the world, waste concrete from new buildings, and waste concrete from concrete factories and prefabricated component factories is astonishing. The traditional processing methods are mainly to be transported to the outskirts for open-air stacking or landfill. The huge processing cost and the environmental problems caused by this method are very prominent. Waste concrete contains a large amount of sand and gravel aggregates, because recycled aggregates will cause internal damage during the crushing process, resulting in micro-cracks. Due to the old cement slurry wrapped on its outside, its water absorption rate is higher than that of ordinary aggregate, and the interf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B24/10C04B103/30
Inventor 查晓雄张凯
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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