Grout mixing plant for filling the annular void of the tunnel
2025-06-06 14:27:05
Gaodetec Equipment can provide high quality cement grout mixing plant to underground construction companies specializing in tunnel excavation, especially in tunnel excavation projects, where we need to install a grouting mixing plant for filling the annular void of the tunnel.

A grout mixing plant is a critical piece of equipment used in tunnel construction to fill the annular void between the tunnel lining (such as a segmental lining or shotcrete) and the surrounding ground. This process, known as annular gap grouting, is essential for ensuring the stability, waterproofing, and long-term performance of the tunnel.

Grout mixing plant for filling the annular void of the tunnel can be capable of mixing at a speed of 1500 rpm and has a usable capacity of 1 m³. A semi-open access hatch at the top be included. A discharge valve, as well as a connection for transfer to a buffer tank, can be provided.

1. Precise Mixing: The grout mixer plant must accurately mix cementitious materials (e.g., cement, bentonite), water, and additives (e.g., accelerators, retarders, water-reducing agents) to achieve the desired grout properties (e.g., viscosity, setting time, strength).
2. Consistent Quality: Ensures uniform grout quality to prevent segregation, bleeding, or inconsistent setting, which could compromise the grouting effectiveness.
3. Adjustable Parameters: Allows for real-time adjustment of mix proportions, flow rate, and pressure to adapt to varying ground conditions and project requirements.
4. High Output Capacity: Capable of producing large volumes of grout continuously to meet the demands of tunnel boring machines (TBMs) or other excavation methods.


If you're looking for specific technical specifications, manufacturers, or design considerations for a grout mixing plant tailored to your tunnel project, let me know and I can help further! Email address: info@gaodetec.com