A high-pressure jet grouting soil remediation simulation experiment device and a method of using the same

By designing a high-pressure jet grouting soil remediation simulation experimental device, and using a tracer solution to track the fluid position, the flow characteristics during the soil remediation process are simulated. This solves the problem of high cost in setting high-pressure jet grouting parameters, and enables rapid and accurate parameter screening, thereby improving engineering efficiency and quality.

CN115575087BActive Publication Date: 2026-07-21CHINA STATE CONSTRUCTION ACADEMY CORPERATION LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA STATE CONSTRUCTION ACADEMY CORPERATION LTD
Filing Date
2022-09-29
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The parameter setting of existing high-pressure jet grouting soil remediation equipment requires on-site testing, which is costly and inefficient, and lacks low-cost simulation devices.

Method used

A high-pressure jet grouting soil remediation simulation experimental device is designed, including a water supply and jet system, an air supply and delivery system, and a simulated soil experimental system. Combined with an image acquisition and analysis system, the flow characteristics and parameters of high-pressure jet grouting during soil remediation are simulated. By tracking the fluid position change through a tracer solution, the jet grouting injection parameters are calculated.

Benefits of technology

The laboratory can quickly and cost-effectively simulate the soil remediation process, pre-screen suitable jet grouting parameters, reduce on-site determination costs and time, improve the accuracy of parameter calculations, and ensure project quality.

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Abstract

The application relates to a high-pressure rotary jet soil remediation simulation experiment device and a use method thereof, and belongs to the technical field of soil remediation. The device is composed of a water supply and jet system, an air supply and conveying system, a simulated soil experiment system and an image acquisition and analysis system. The jet system comprises a water tank, a tracer solution, a variable-frequency high-pressure water pump, a water pipe, a flowmeter, a valve, a pressure gauge and a nozzle. The air supply and conveying system comprises an air compressor and a gas conveying pipe. The simulated soil experiment system comprises an experiment box and transparent simulated soil. The image acquisition and analysis system comprises a light source, a camera and a computer. The device can be used for screening suitable flow, pressure, jetting distance and infiltration height, and the suitable rotary speed, lifting speed and injection point spacing of an on-site rotary jet device can be calculated, so that engineering parameters of high-pressure rotary jet soil remediation engineering are provided quickly and efficiently, and the cost and time for determining the parameters on the engineering site are greatly reduced.
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