The construction of tunnels in poor soil or in varied soil conditions provides for a variety of unique challenges. When building a metro or irrigation tunnel, it is necessary to account for:
The structural sustainability against water pressure,
The soil reinforcement using grout injections and clouting (if a tunnel is built with a traditional method).
The cross-passages to create connections between two tunnels,
Adequate protection for the surrounding buildings and underground infrastructure networks along the tunnel
Convergence areas between two tunnels: where ground stability is concerned, it is of absolute necessity to make sure that the construction of one tunnel will not impact the construction of the other.
VSL-Intrafor has extensive experience in all ground improvement solutions – even when complex in nature (depth, complicated environmental setting).
The solution depends on structural requirements or existing soil conditions:
- jet grouting,
- stone columns,
- ground freezing.
VSL Intrafor manages over 400 pieces of specialized equipment including ground improvement machinery such as vibroflots, stone columns equipment, grouting pumps and jet grouting pumps.
A Design & Build package, including specialized equipment.