Category: HEAD RACE TUNNEL

GROUTING

GROUTING

Grouting is the process of injecting grout material into interconnected pores or void space. Which occurred during the blasting of the face of the tunnel, the grout material may be a cementitious, resinous, or solution of a chemical mixture. In any section of the underground structure, the concrete lining within 100m of the section …

Surge Shaft And Drop Shaft

Surge Shaft And Drop Shaft

Surge Shaft And Drop Shaft- A surge shaft is a vertical tunnel that is frequently used with the pressure conduit of considerable duration. The main purpose of presenting a surge tank is to lessen the gap between the free water surface and turbine thereby decreasing the water hammer impact on the penstock and also …

PRESSURE SHAFT

PRESSURE SHAFT

The pressure shaft, partially horizontal and mainly vertical is an underground structure to convey the water from HRT to the powerhouse for Power generation. The shaft is of 3.9m diameter and 419 m long out of which 32.6m is a top horizontal portion, 114.4m vertical portion, and balance 272m of the bottom horizontal portion. …

HEAD RACE TUNNEL

HEAD RACE TUNNEL

Head Race Tunnel (HRT) takes water from connecting channels and conveys it to the forebay or directly to the penstock furnished with Surge shaft relying upon the project and design requirements and is on occasion additionally called Power tunnels. It is the shape that consists of water from Intake to the Power House for …