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Anonymous users2024-01-23The formation of cracks in cast-in-situ reinforced concrete floor slabs is affected by many factors such as foundation settlement. When water leaks due to cracks in the ground (or weak concrete), high-pressure grouting from the bottom can be used to plug the leakage.
The principle of high-pressure grouting plugging.
High-pressure chemical grouting plugging technology is to use the continuous high pressure generated by the grouting machine to pour the chemical liquid into the gap inside the concrete, and completely squeeze out the water in the joint, completely fill the gap, and achieve the purpose of stopping water.
Construction steps of high-pressure grouting and plugging leaks.
1. Drilling: Drilling holes on the roof at a distance of about 20mm at both ends of the crack, tilting at 45°-60°, and the drilled hole passes through the crack;
2. Install the needle: knock the water-stopping needle into the drilled hole, and tighten the needle with a wrench;
3. Connect the grouting machine: connect the butter head of the grouting machine with the needle;
4. Grouting : When grouting is carried out, starting from one end of the seam, when one end is finished, the other end is grouting construction, and the second grouting is carried out on the first needle at the end; During grouting, it is necessary to observe while pouring to ensure that the grout is injected into the concrete and completely fills the gap.
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Anonymous users2024-01-22You can use, Tianyu shield is a high-tech material to make up the building and prevent leakage, through the cement leak-proof, the adhesion is super strong, through the cement leak-proof, to ensure that there is no leakage for ten years.
There are several main reasons:
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