WHAT IS TUNNEL AND BENEFIST OF TUNNELING?

What Is Tunnel?

A Tunnel Is Define As An Underground Passage For The Transport Of Passengers, Water, Sewage, Minerals, Gas Etc.

Or, An Artificial Passage Constructed For Transportation Purpose Non As Tunnel.

Tunnels Are Economical For Grater Depth As Compared To Open Cuts.

Open Cuts?

It Is Open To Sky Passage Excavated Through Huge Soil Mass Of Obstacle Like Hill And Run In Required Dimensions To Connect.

Open Cuts Provided Up to Depth 18 m Economically, For More Than 18 m Depth Tunneling Is Preferred.

For Highways, Tunneling Preferred To Open Cut If Depth Of Open Cut Exceeds 15 m.

Open Cuts Required Less Time And Cost For Construction As Compared To Tunnels.

Advantages Of Tunneling?

Other Other Methods Are Not Economical Passage Then Tunneling Provided, Also When Other Methods Not Available Then Tunnels Constructed.

Main Advantage Of Tunneling Gives Shortest Route Compare To Other Methods.

Tunneling Helps To Save Fuel And Wear And Tear Of Vehicles.

Tunnels Are All Weather Friendly Than Open Cuts.

Disadvantages Of Tunneling?

Main Disadvantage Of Tunneling Is Required Very High Initial Cost For Construction.

Tunneling Required Very Special Construction Techniques.

As Compare To Open Cuts It Required More Time For Construction.

Required Higher Degree Or Specialized Staff.

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