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Repairing construction method for floor hollowing and cracking

A construction method and hollow technology, applied in building maintenance, construction, building construction, etc., can solve the problems of long time, large chromatic aberration of the floor, and many processes.

Inactive Publication Date: 2018-02-23
CHINA MCC20 GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of repair method has relatively many procedures, long time, high cost, unsatisfactory repair effect, large color difference of the floor, poor appearance, time-consuming and laborious, and low repair efficiency

Method used

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  • Repairing construction method for floor hollowing and cracking
  • Repairing construction method for floor hollowing and cracking

Examples

Experimental program
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Effect test

Embodiment Construction

[0016] Example figure 1 and figure 2 Shown, the repairing construction method of floor hollow cracking of the present invention comprises the steps:

[0017] Step 1. Check and confirm the cracked part 1 of the hollow floor, remove the dust and oil on the surface of the crack 2, and keep the crack clean;

[0018] Step 2: Drill a number of grouting holes 3 at intervals of 200-550 mm at the cracked part 1 of the floor and clean them up. Embed grouting nozzles or grouting water-stop needles in the grouting holes 3 and use quick-drying sealant Seal the perimeter;

[0019] Step 3: Use quick-drying sealant to scrape along the crack 2 surface of the hollow cracked part 1 of the floor to seal the crack 2;

[0020] Step 4. The grouting nozzles 4 or the grouting water-stop needles of several grouting holes 3 are sequentially connected to the syringe 5, and the grouting resin solution is poured into the syringe 5, and the grouting resin solution is injected into the hollow cavity 11 o...

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Abstract

The invention discloses a repairing construction method for floor hollowing and cracking. The method comprises: firstly, checking to determine positions of floor hollowing and cracking and cleaning crack surfaces; drilling a plurality of injected holes on a hollowing position, burying a grouting nozzle or a grouting water-stop needle in the injected hole, and using a quick-drying joint sealing glue to seal the periphery of the injected hole; using the quick-drying joint sealing glue to seal cracks; connecting injectors which are filled with a grouting resin solution with the grouting nozzles or the grouting water-stop needles of the injected holes in sequence, through the injectors, injecting the grouting resin solution into the cavity of the hollowing floor, after the cavity is determinedto be fully filled, injection being completed, removing the injectors, using end caps to seal the grouting nozzles or the grouting water-stop needles; after the grouting resin solution is solidified,knocking off the grouting nozzles or the grouting water-stop needles and the end caps, cleaning surface joint sealing glue, and after drying and maintaining, the floor can be used normally. The method is fast and convenient in repairing construction, reduced in repairing cost, improved in repairing efficiency, and repairing effect is good. After repairing, the floor has no color difference, and aesthetic property of the floor is guaranteed.

Description

technical field [0001] The invention relates to a construction method for repairing hollowed and cracked floors. Background technique [0002] After the construction of cement mortar and fine stone concrete floor is completed, quality problems of hollowing and cracking often appear more or less after a period of time, which is a common problem in the construction process and a common quality problem in housing construction projects. In view of this problem, the existing repairing method is usually to find out the hollow area of ​​the floor first, use a hand-held cutting machine to cut seams along the edge of the hollow area, and then clean up the hollow and cracked floor, and the base layer of the floor After wetting, fill it with cement mortar or fine stone concrete, and re-construct the floor. This kind of repair method has relatively many procedures, long time, high cost, unsatisfactory repair effect, large color difference of the floor, poor appearance, time-consuming a...

Claims

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Application Information

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IPC IPC(8): E04G23/02
CPCE04G23/0211E04G23/0285
Inventor 袁立刚
Owner CHINA MCC20 GRP CORP
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