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Construction method of superheavy-load reinforcement-free large-area seamless epoxy self-leveling terrace

A seamless epoxy, construction method technology, applied in the direction of floor, pavement details, coagulation pavement paved on site, etc. The effect of concrete dosage, strong crack resistance and simple process

Inactive Publication Date: 2014-09-10
CHINA CONSTR SEVENTH ENG DIVISION CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the floor construction method mainly has the problem that the combination of the base layer and the hardener is not good, which will lead to peeling and hollowing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0049] Embodiment: The super-heavy-duty unreinforced large-area seamless epoxy self-leveling floor construction method includes the following construction steps:

[0050] a. Floor base treatment:

[0051] Since the uneven settlement and bearing capacity of the super-heavy-loaded floor base or foundation soil will directly lead to the cracking and damage of the floor, the settlement of the excavation area, filling area and different geological conditions shall be calculated before construction, using Backfill with rubble concrete to ensure the consistency of bearing capacity and settlement.

[0052] b. Construction of steel fiber concrete:

[0053] 1) Formwork support

[0054] According to the requirements of the pre-planned grid diagram, pop up the longitudinal grid line on the cushion layer, the grid line of the deformation joint around the wall column, and then support the formwork according to this baseline, except for the diamond-shaped deformation joint formwork around th...

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PUM

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Abstract

The invention discloses a construction method of a superheavy-load reinforcement-free large-area seamless epoxy self-leveling terrace. The construction method comprises the following construction steps of: terrace base layer treatment, steel fiber-concrete construction, terrace concrete slitting and epoxy paint construction. According to the invention, steel fiber replaces reinforcements, thus the steel consumption is reduced, the concrete consumption is simultaneously reduced, and the low-carbon, energy-saving and emission-reducing requirements are met; the process is simple, the operability is strong, the ground working load is up to 300 KN / m<2>, and reinforcements are not needed; and by the reasonable distribution of the steel fiber in the concrete, the steel fiber and the concrete jointly form an integer with strong bending, tensile and crack resistance, thus the super-strong tensile resistance of the steel fiber is sufficiently embodied, and the process principle is reasonable and scientific in use.

Description

technical field [0001] The invention relates to a construction method of super-heavy-loaded large-area seamless epoxy self-leveling floor without reinforcement. Background technique [0002] At present, the floor construction method mainly has the problem that the combination of the base layer and the hardener is not good, which will lead to peeling and hollowing. The flatness of the base layer is directly related to the flatness of the hardener. If the concrete slumps too much, it will trample and pollute the construction surface. At the same time, the construction hardener and the base layer will not bond well during the final setting, forming a "two-layer skin". Concrete sand and lime are unevenly mixed, and the hardener is connected to the base layer lacking cement paste, and there is no binding force, forming local peeling and hollowing. If the position of the formwork is correct, if it is not flat or straight, it will cause uneven construction performance of the harde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C7/00E01C7/32E01C11/06E04F15/12E04F15/14
Inventor 焦安亮黄延铮陈国清闫亚召
Owner CHINA CONSTR SEVENTH ENG DIVISION CORP LTD