Chemical Grouting & Structural Sealing – Sanima Mai Hydropower Project

Chemical Grouting & Structural Sealing – Sanima Mai Hydropower Project

Chemical grouting works are carried out at the Sanima Mai Hydropower Project to strengthen weak zones and improve structural performance in areas affected by seepage and void formation. The activity focuses on stabilizing foundation interfaces, sealing water pathways, and reinforcing sections where permeability affects the integrity of concrete and surrounding rock mass.

By injecting specialized grout materials under controlled pressure, the treated areas achieve enhanced density, reduced leakage, and improved long-term stability.

Client

Sanima Mai Hydropower Station

Location

Lamjung, Nepal

Project status

Completed

Sanima Mai Hydropower

Chemical Grouting & Structural Sealing – Sanima Mai Hydropower Project

Chemical grouting works are carried out at the Sanima Mai Hydropower Project to strengthen weak zones and improve structural performance in areas affected by seepage and void formation. The activity focuses on stabilizing foundation interfaces, sealing water pathways, and reinforcing sections where permeability affects the integrity of concrete and surrounding rock mass.

By injecting specialized grout materials under controlled pressure, the treated areas achieve enhanced density, reduced leakage, and improved long-term stability.

Client

Sanima Mai Hydropower Project

Project status

Completed

Scope of Work

Seepage Sealing:

  • Injection of low-viscosity grout to stop water ingress in identified leakage-prone zones.

Void & Crack Filling:

  • Pressure grouting of cavities and fractures to stabilize adjoining structural elements.

Permeability Reduction:

  • Formation of grout barriers to limit water movement through weak or porous sections.

Structural Strengthening:

  • Localized reinforcement of affected areas to restore stability and enhance overall durability.

Project Highlights

  • Executed precise chemical grouting to stabilize structural and foundation interfaces.

  • Improved impermeability and reduced seepage through targeted injection work.

  • Enhanced long-term reliability of hydropower structures through strengthened zones.

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