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Solution to leak stoppage of basement expansion joints

Price: Electric discussion

Minimum order quantity: 1m
Location: Yancheng, Jiangsu
Price: electricity
Total supply: m
Delivery period: 1 day
Release time: 2024-09-21 00:01:21

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Detailed description

Jiangsu Lanlong Building Waterproof and Leak Stopping Engineering Co., Ltd

basement expansion joint Solution to plugging cracks

What are cracks in concrete buildings? Cracks in concrete buildings are the main cause of damage to concrete buildings, and water leakage from cracks is a more uncomfortable problem, because cracks in concrete are completely irregular. Generally, the traditional method of plugging is to chisel the crack or leakage place to plug the surface leakage, but the result is often to plug here, and then start to leak there. Because water can move irregularly in the cracks inside the concrete and seep out from the relatively weak parts.
We need to explain several construction techniques that need attention in construction:

1. First of all, the details of seepage point, basement structure and materials used shall be determined for basement leakage stoppage;
2. During the leak stoppage construction of the basement, the seam cutter shall be used to open the seam, and the groove shall be manually fixed and slotted, with the groove width of 20mm, the groove depth of 20~30, and the groove length shall be extended by 100mm to both ends of the seam;
3. Clean the drilled leakage joints and leakage points with clean water;
4. Embed the grouting nozzle. The grouting nozzle is generally buried at the place with large leakage or wide crack. The spacing between grouting nozzles is generally 30-50cm. The grouting nozzle at the leakage point is buried at the leakage part;

5. Fix the grouting nozzle with plugging materials and seal the "u" joint flat;
6. Set a 12 cm long and 10 mm wide high-pressure hose at the grouting nozzle, and fasten the high-pressure hose with iron wire;
7. After the sealing material is consolidated, grouting shall be carried out from left to right (or right to left) or from bottom to top pump Inject the chemical slurry from the grouting nozzle, and the grouting pressure needs to increase slowly. When the grouting pressure rises to 1~8mpa, if the grouting pump Pressure gauge The indicator needle basically does not slide down within 2~3min, then the grouting of this nozzle can be stopped and moved to the next nozzle for further grouting. In the process of joint grouting, if the grouting nozzle is filled with grout in the basement for leak stoppage, the grouting nozzle shall be closed (tie the high-pressure rubber pipe mouth with iron wire). If there is grout leakage in the joint sealing part, the grouting shall be stopped and the part shall be blocked with sealing materials;
8. Seal the pipe. After grouting, use iron wire to tie the high-pressure rubber pipe mouth on the grouting nozzle;
Solution to crack leakage: chemical grouting generally refers to the grouting made of chemical materials drill hole The grouting nozzle shall be buried and injected into the structural crack with pressure to make it diffuse and solidify, so as to achieve the purpose of waterproof, plugging, reinforcement and reinforcement. It is often used to repair deep cracks in concrete structures. According to the pressure and speed of grouting, it can be divided into high-pressure rapid grouting method and low-pressure slow grouting method.

Leak stopping principle: high-pressure injection repair method will repair the data within a certain time High pressure pump The method of pressurizing 20Mpa~40Mpa shall be written into the component. The repair data can be soaked to fine cracks under the action of high pressure, and then reach the true intention of water stop and leak stoppage.
High pressure grouting machine (F-512 machine): the electric drill (560W) with high torque and low rotation speed can be driven to reach the injection pressure of 6000psi, which is conducive to writing the plugging agent into the structure or crack in a short time, and has different effects according to the different injection data.
Extended high-pressure water stop injection needle (15-20 cm long): after drilling, quickly tighten the injection needle and firmly connect it with the hole, and connect the injection needle with the grouting extremely high-pressure pipe. When the plugging agent is written into the hole, there is a check valve device to prevent the plugging agent behind the high-pressure tank from flowing back.

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Yancheng Kailan Building Waterproof Engineering Co., Ltd

 Building Materials General

six year

 Certified

Enterprise type:
Construction enterprises
Business model:
Others
Honors and qualifications:
0 items
Main business:
Leakage stoppage of expansion joint of sewage pool, settlement joint of basement, coal gallery, elevator shaft, cable trench and sewage pipeline
Address:
Tinghu District, Yancheng, Jiangsu