SJL-60 High-pressure Jet Grouting
Keywords:
Classification:
Introduce
High-pressure jet grouting is a specialized technique used in construction and geotechnical engineering to improve the strength and stability of soil. It involves injecting a high-velocity jet of cementitious grout into the ground, creating columns or structural elements that enhance the load-bearing capacity of the soil.
High-pressure jet grouting utilizes advanced equipment capable of delivering grout at high pressures and velocities. This ensures effective mixing and dispersion of the grout within the soil, resulting in improved soil properties and increased bearing capacity.
The technique is particularly useful in stabilizing weak or loose soils, such as clay and silt. By injecting the grout in a controlled manner, jet grouting strengthens the soil mass, reducing its compressibility and increasing its shear strength. This makes it suitable for a wide range of geotechnical applications, including slope stabilization and foundation reinforcement.
High-pressure jet grouting can also be employed to create cutoff walls or barriers. By injecting closely spaced columns of grout, a continuous impermeable barrier can be formed, preventing the flow of groundwater or contaminants. This is especially beneficial in environmental remediation projects and underground construction.
One of the advantages of high-pressure jet grouting is its adaptability to different site conditions and project requirements. The technique can be customized to achieve varying column diameters, lengths, and strengths, allowing engineers to tailor the solution to specific soil conditions and project needs.
Quality control is essential in high-pressure jet grouting to ensure the effectiveness of the treatment. Continuous monitoring and testing are performed during the grouting process to verify that the desired grout parameters, such as pressure, flow rate, and mixing ratios, are achieved. This helps guarantee the desired engineering properties and the long-term stability of the treated soil.
Overall, high-pressure jet grouting offers a reliable and efficient method for improving soil strength and stability. Its versatility, effectiveness in weak soils, and ability to create impermeable barriers make it a valuable technique in geotechnical engineering. By utilizing high-pressure jet grouting, engineers can overcome soil challenges, enhance safety, and ensure the long-term stability of infrastructure projects.
Main technique specifications:
|
Specifications |
SJL-60 |
|
Hole angle |
90° |
|
Rod diameter |
φ73、φ89mm |
|
Max torque |
7000 |
|
Max speed |
100 |
|
Lifting speed |
0-5、9、18m/min |
|
Feed speed |
18、35m/min |
|
Rated lifting force |
66kN |
|
Rated feed force Feeding stroke |
34kN 3400mm |
|
Input power (Electric) |
45kW |
|
Climbing angle |
20° |
|
Transport Dimensian (L*W"H) |
5350*2100*2300mm |
|
Working Dimension (L"W"H) |
3600*2500*15350mm |
|
Weight |
7000kg |
Application
Machinery manufacturing
Mining
Municipal
Aviation
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Tianjin Juneng High-pressure Pump Co., Ltd.
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