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Grout plant for nailing and micro piling

A grout plant specifically designed for nailing and micropiling applications needs to be versatile, precise, and able to handle the unique requirements of these techniques. Nailing and micropiling involve injecting grout into narrow boreholes or around reinforcement bars (nails) to stabilize soil, rock faces, or enhance the load-bearing capacity of foundations.

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  Content   2024-06-15

We can clearly summarize and describe the application of grout plant in soil nailing and micro piles from the following aspects:

1、 Overview of grout plant for nailing and micro piling
grout plant, Also known as grouting equipment or grouting station, it is mainly used to prepare and provide high-quality grouting materials. This type of equipment typically consists of multiple components, including a mixer, metering system, pumping system, etc., which can accurately control the ratio and performance of grouting materials.

2、 Application in soil nails and micropiles
Soil Nailing
Soil nail technology is a method used to enhance soil stability by installing long and thin metal or synthetic material rods in the soil.
During the installation process of soil nails, the grout plant can prepare grouting materials suitable for filling the gaps around the soil nails, ensuring a tight connection and overall stability between the soil nails and the soil.
By precisely controlling the ratio and performance of grouting materials, grout plants can meet the requirements of soil nail grouting under different soil types and engineering requirements.
Micropiles
Micro piles are small diameter pile foundations used to support and reinforce buildings or structures.
During the construction process of micro piles, the grout plant can prepare grouting materials suitable for filling the pile holes, ensuring a tight bond and overall bearing capacity between the micro piles and the surrounding soil.
Similarly, the grout plant can adjust the ratio and performance of grouting materials according to different engineering requirements and soil conditions to meet the requirements of micro pile construction.
3、 Technical characteristics
Accurate control: Through precise measurement and control systems, the grouting plant can ensure the accurate mixing and performance of grouting materials.
Efficient preparation: The equipment adopts efficient mixers and pumping systems, which can quickly prepare and provide a large amount of grouting materials to meet the needs of large-scale construction.
Strong adaptability: Grout plants can adjust the ratio and performance of grouting materials according to different engineering requirements and soil conditions to adapt to various complex geological environments and engineering conditions.

Grout Cement Injection machine
Grout Cement Injection machine

4、 Summary
Grout plants play an important role in engineering such as soil nails and micro piles, as they can prepare high-quality and stable grouting materials, ensuring a tight bond and overall stability between soil nails and micro piles and the surrounding soil. Through precise control and efficient preparation, grout plants can meet the needs of large-scale construction and adapt to various complex geological environments and engineering conditions.

high pressure electric cement grout plant
high pressure electric cement grout plant
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Injection grout plant (grouting plant/grouting equipment system) is an integrated equipment system for grout preparation and injection in geotechnical engineering, construction and geological disaster management. Its core functions, technical features and application scenarios are as follows:
Core functions and equipment composition
Grout preparation system
Double-shaft mixer: adopts variable frequency speed regulation technology to achieve accurate proportioning of raw materials such as cement, water glass, bentonite, etc. (proportioning accuracy ±1%) to ensure slurry uniformity.
High-speed pulping machine: through the action of centrifugal force (speed ≥1450r/min), the powder is quickly dissolved, and the preparation efficiency is increased by 40% compared with traditional equipment, which is suitable for ultra-fine cement-based slurry.
Automatic batching system: integrated with screw conveyor, electronic scale and PLC controller to realize automatic metering and transportation of raw materials and reduce manual intervention.
High-pressure injection system
Piston pump group: adopts three-cylinder single-acting reciprocating pump (such as SGB6-10 type), with an output pressure of more than 10MPa and a flow rate of 6-10L/s, supporting single-liquid slurry and double-liquid slurry (cement-water glass) injection.
Intelligent control system: real-time monitoring of grouting pressure, flow and cumulative grouting volume, automatic generation of construction records (in compliance with GB/T 50448-2015 specifications), and support for cloud data storage and traceability.
Explosion-proof design: For high-risk environments such as coal mines, the equipment is equipped with explosion-proof motors, intrinsically safe circuits and pressure relief valves to ensure construction safety.