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Jet grouting triplex pump

Jet grouting triplex pump is a high-pressure equipment used in jet grouting projects. Its core function is to inject slurry into the soil under high pressure to form a consolidated soil column or curtain. It is often used in scenes such as foundation reinforcement, waterproofing treatment and tunnel engineering.

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  Content   2025-05-16

A jet grouting triplex pump is a specialized type of high-pressure pump used in the jet grouting process, which is an advanced ground improvement technique. Jet grouting involves injecting a cementitious or chemical grout at high pressure into the soil to create columns, panels, or other shapes underground for stabilization and support purposes.

Drilling mud jet grout pump
Drilling mud jet grout pump

Key features of jet grouting triplex pump
1. Triplex Design
– Three plungers or pistons: This design ensures a more continuous flow and reduces pulsation compared to single or duplex pumps.
– Smooth operation: The triplex configuration provides smoother operation, which is essential when dealing with precise grouting applications like jet grouting.
2. High Pressure Capability
– Capable of generating pressures up to 500 bar or higher, depending on the model.
– High pressure is necessary to effectively cut through soil and mix it with grout, forming stable columns underground.
3. Flow Rate Control
– Adjustable flow rates allow operators to control the volume of grout being injected, which is critical for achieving desired column diameters and strength properties.
– Flow rates typically range from **50 to 200 liters per minute**, but this can vary based on the specific application and pump model.

container type high-pressure injection pump
container type high-pressure injection pump

Applications of the jet grouting triplex pump:
Soil Stabilization: Improving the bearing capacity and stability of soft or loose soils.
Waterproofing: Creating impermeable barriers to prevent water ingress.
Underpinning: Supporting existing structures by improving the foundation conditions.
Excavation Support: Reinforcing soil around excavations to prevent collapse.
Contaminant Containment: Isolating contaminated areas from clean soil and groundwater.

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