Service Cases
The company specializes in the research and development, sales, application, and technical services of engineering materials in the field of safety of engineering structures such as hydropower dams, high-speed railways, and subway tunnels.
Fouziling reservoir
2025-05-09
Project Name: Fouziling reservoir New Head Closure Grouting Treatment
Material Application: LW water-soluble polyurethane grouting material, HW water-soluble polyurethane grouting material
Treatment Result: According to the on-site investigation of the No. 1 construction access tunnel, the bedrock at the entrance of the No. 1 construction access tunnel is exposed. The inside of the tunnel is a bare rock tunnel, and the surrounding rock shows no obvious weathering, and the development of cracks and joints is not obvious. The integrity is relatively good. The pressure gauge reading on the outside of the No. 1 construction access tunnel head is about 0.4 MPa. Therefore, it is preliminarily judged that the water stop of the gate in the water diversion tunnel inside the head has failed, and the tunnel is connected to the upper reservoir water body. The head needs to be treated with grouting to seal the closure, and after grouting, the leakage is effectively blocked.
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