Table of Contents
What are tunnels in geology?
Tunnels may be defined as underground routes or passages driven through the ground without disturbing the overlying soil or rock cover. Tunnels are driven for a variety of purposes and are classified accordingly.
What are the factors to be considered in tunnel construction?
The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics of supporting the tunnel excavation, the final use and shape of the tunnel and appropriate risk management.
What is a tunnel in mining?
A horizontal or inclined stone drivage for development or to connect mine workings, seams, or shafts. It may be open to the surface at one end and used for drainage, ventilation, or haulage or as a personnel egress (walking or riding) from the mine workings.
What is importance of tunnel?
Tunnels are underground passages used for transportation. They could be used for carrying freights and passengers, water, sewage, etc Tunnels are more economical than open cuts beyond certain depths. Tunnels avoid disturbing or interfering with surface life and traffic during construction.
How do they make underground tunnels?
To use this method, builders dig a trench in the riverbed or ocean floor. They then sink pre-made steel or concrete tubes in the trench. After the tubes are covered with a thick layer of rock, workers connect the sections of tubes and pump out any remaining water.
How important is geology in construction?
A detailed and accurate knowledge inventory of geology is an essential part of construction and hazard analysis. The local geology of an area is important when planning a major construction . The full knowledge of geology increase the strength, stability, and durability of civil engineering projects.
What are the geological consideration in foundation?
The main considerations are: strength or bearing capacity. settlement (compressibility) and differential settlement. volume change of the ground due to climatic conditions.
How are underground tunnels made?
What is tunneling in business?
Tunneling is an illegal business practice in which a majority shareholder or high-level company insider directs company assets or future business to themselves for personal gain.
What is the importance of tunnels?