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Premixed slurry fluid foam concrete onsite stirring construction method

A foam concrete and pre-mixing technology, which is applied in cement mixing devices, clay preparation devices, chemical instruments and methods, etc., can solve the problem that the slurry is easily mixed with gravel and sundries, and achieve the effect of preventing mechanical failures

Inactive Publication Date: 2014-05-28
ZHEJIANG HAITIAN CONSTR GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the slurry needs to be pre-mixed and then transported to the construction site by a transport vehicle for on-site mixing, gravel and sundries are easily mixed into the slurry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] On-site mixing method of ready-mixed slurry fluid foam concrete. The slurry is transported to the construction site for pre-mixing. After the mixer truck delivers the pre-mixed slurry to the construction site, it is docked with the mixer to perform secondary mixing on the slurry. A steel mesh filter device with a mesh size of 6×6mm is installed at the feed port to filter residual gravel and prevent clogging. The expanded mesh filtering device includes a grid welded by galvanized angle steel and an expanded mesh fixed with the grid by spot welding. After the ready-mixed slurry is evenly stirred by the mixer, the pre-foamed slurry and cement slurry are fully mixed through a linear mixer. After reaching the design cubic weight ratio, stop adding foam and continue to stir evenly. The mixing time is 5 minutes to 8 minutes. There is no obvious foam floating and mud lumps appear, forming a homogeneous fluid foam concrete.

[0009] Cast-in-place foam concrete is a special ceme...

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PUM

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Abstract

The invention discloses a premixed slurry fluid foam concrete onsite stirring construction method. Slurry is transported to a construction site for premixing. A mixer truck carries the premixed slurry to the construction site and then is in butt joint with an agitator so as to carry out secondary agitation on the slurry. A feed inlet of the agitator is provided with a steel screen filter unit with the mesh size being 6*6mm. After the premixed slurry from a commercial concrete plant is transported to the construction site, the premixed slurry undergoes secondary agitation by the agitator on the site, and the feed inlet where the premixed slurry mixer truck is in butt joint with the agitator is provided with the specially-produced steel screen filter unit which is used to filter out residual broken stones. Thus, mechanical failure is avoided, and broken stones and foreign materials are also prevented from being mixed in the slurry.

Description

technical field [0001] The invention relates to an on-site mixing method for ready-mixed slurry fluid foam concrete. Background technique [0002] In recent years, the domestic requirements for energy conservation and environmental protection have been continuously improved, construction energy conservation work has been deepened, energy conservation standards have been continuously improved, and many new energy-saving technologies and materials have been vigorously promoted and used in construction projects. Because of its good physical properties: light weight, good thermal insulation performance, good sound insulation and fire resistance, good pumpability, strong waterproof ability, and low price, foam concrete has gradually become one of the first choice materials for building roof insulation and slope finding Compared with extruded boards, foam glass board insulation layer roofing systems, etc., it has significant economic and social benefits. After many engineering pr...

Claims

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Application Information

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IPC IPC(8): B28C5/00
CPCB28C5/388
Inventor 王小燕胡新锋吴康兵胡初华
Owner ZHEJIANG HAITIAN CONSTR GROUP
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