Infrastructure · Solutions

Void Filling & Collapse Prevention

Fill subsurface voids, sinkholes, and eroded cavities caused by soil migration or water infiltration.

Engineering overview

Precision Grouting Filling & Consolidation of Underground Voids

Using high-permeability, high-strength composite grout, 6-10mm micro-pore technology is employed to precisely fill underground voids, soil cavities, and piping channels caused by soil erosion. The grout solidifies within seconds and cements with the surrounding soil, forming a dense and stable filling body that effectively eliminates collapse risks and restores stratigraphic integrity.

What to assess

The information that shapes the repair path

Review movement history, ground and drainage conditions, structural loads, access constraints and acceptance criteria. Visible symptoms alone do not determine the suitable intervention.

Movement history and visible symptoms

Ground and drainage conditions

Structural loads and tolerances

Access and operating constraints

Monitoring and acceptance criteria

Long-term asset performance

Staged injection · real-time measurement

Our approach

Hengxiang Hongye Critical Remediation Steps

Through our non-destructive and controllable patented technology, the weak soil layer of the holding layer is consolidated as a whole, and the consolidated and reinforced foundation soil forms a composite foundation, whose bearing capacity value can reach nearly three times of the original bearing capacity, and well support the upper load.

01
Drilling
Bore holes in the affected area with a diameter of 6–10 mm.
02
Injection
Inject a specialized inorganic material.
03
Solidification
The material rapidly solidifies with soil, filling voids and stabilizing the ground.
04
Re-balancing
Lift and reinforce the foundation until re-leveling is achieved.