Gap sealing grouting at steel rail sheet piles around power tower foundation trenches, using low-pressure grouting to fill soil voids, block groundwater seepage, and improve ground stability.

5m diameter, 14m depth ground improvement.

Near port conditions required adapting methods to tides and aging pipelines, completed successfully.

Dual-use grouting flow meter for high and low pressure, monitoring flow during construction to ensure compliance with design and inspection standards.

6m diameter, 21m depth ground improvement for shaft base and surroundings, supporting 2.4m shield entry and exit with bidirectional treatment.

Backfill grouting beneath railway tracks, executed during limited night shutdown periods to ensure safety and maintain railway operation.

JSG double pipe jet grouting used for ground improvement and seepage control in metro underground works, enhancing stability and safety.

Ground improvement around pipe roof area to strengthen soil structure and reduce groundwater impact for smooth construction.

Grouting for shield launch, arrival, and connection zones, filling soil voids to improve stability and ensure underground construction safety.

Emergency grouting for seepage and loose ground, restoring stability quickly and reducing construction risks.

Chemical grouting for waterworks shield project, improving soil conditions and enhancing bearing capacity and foundation stability.

Settlement correction by grouting after 17cm subsidence, restoring level condition and improving foundation stability.

Full ground improvement around shaft to enhance strength and reduce groundwater effects for safe construction.

Chemical grouting using ALON material to penetrate soil voids, achieving reinforcement and water sealing.

Grouting to seal seepage, filling voids and blocking water paths to improve soil conditions and structural safety.