Tunneling and Hydropower
Tunneling and Hydropower
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NRV Valve
Non Returning Valve (NRV valve) are used in tunnels where there is excess seepage water even in the concrete lining tunnels. To let those ingress water into the tunnels, NRV valves are installed in those seepage areas which let the incoming water into the tunnel but do not let the inside water to go out.
Переглядів: 13

Відео

Alimak (Alikraft) in vertical tunnel excavation
Переглядів 40621 день тому
Alimak or Alikraft is a type of machine to raise bore any pilot shaft from bottm of any vertical or inclined shaft. Purpose of the use of this machine is to excavate underground shaft in any hydropower project or for irrigation purposes or as per required. It is a very challenging type of job to excavate shafts with this type of machines.
Horizontal Tunnel Breakthrough
Переглядів 5328 днів тому
Horizontal Pressure Tunnel- 1 (HPT-1) of length 870 m has been through to the bottom of Vertical Pressure Shaft 1 (VPS-1). Its Lower Solu Hydropower Project 82 MW
bishwokarma puja
Переглядів 402 місяці тому
Bishwakarma Puja is a Hindu festival dedicated to Lord Vishwakarma, who is considered the divine architect and engineer in Hindu mythology. He is credited with the creation of the palaces, weapons, and chariots for the gods. The festival is observed with great reverence, especially by workers, craftsmen, engineers, and those involved in industries related to construction, manufacturing, and mac...
penstock pipe bend welding
Переглядів 1022 місяці тому
penstock pipe bend welding
Rock Bolt pull out test
Переглядів 5362 місяці тому
Rock bolt pull-out test is a crucial procedure in tunnel construction and maintenance, designed to assess the anchoring strength and stability of rock bolts used to support tunnel linings. During the test, a hydraulic jack is used to apply a controlled load to the rock bolt, pulling it out of its anchor point within the rock mass. The force required to dislodge the bolt is measured, providing i...
Hydraulic Test of Headworks Structures
Переглядів 3 тис.2 місяці тому
In a hydropower project, hydraulic testing of the headworks structures is an essential stage to guarantee the facility's safe and effective operation. The headworks structure is essential for managing the water flow into the hydroelectric system. It consists of parts including the intake, gates, and trash racks. To assess how well these structures function under different flow circumstances and...
Mucking in tunnel
Переглядів 1463 місяці тому
mucking is a process of removing materials from the accumulated place. In case of tunnel, after the blast of the tunnel face, the accumulated rock or soil materials are removed and dumped in a selected place. This process is called mucking. Muck is the term for the accumulated materials. Mucking inside the tunnel is done with the help of muck loader and truck or wagons which transport the muck ...
Geological Overbreak in Tunnel
Переглядів 414 місяці тому
Sometimes, overbreak in weak rock mass condition becomes a headache in tunnel construction. It is a great challenge to recover and proceed forward with safe execution
Installation of cable anchor 30m
Переглядів 2564 місяці тому
Installation of Cable Anchor 30m (Double Corrosion Protected) in length for slope protection. Cable anchoring for slope protection is a crucial technique used to stabilize steep terrain and prevent erosion or landslides. It involves strategically placing high-tensile steel cables into the slope at varying depths and angles. These cables are securely anchored into the ground using methods such a...
Highest railway bridge
Переглядів 8225 місяців тому
Highest railway bridge
Hydropower Project - Likhu IV 52.4 MW
Переглядів 2755 місяців тому
Hydropower Project - Likhu IV 52.4 MW
Sunkoshi Marin Diversion Project- After the Breakthrough
Переглядів 2,7 тис.5 місяців тому
Sunkoshi Marin Diversion Project- After the Breakthrough
Breakthrough of Vertical Pressure Shaft
Переглядів 615 місяців тому
Breakthrough of Vertical Pressure Shaft
Mucking Inside Tunnel
Переглядів 1406 місяців тому
Mucking Inside Tunnel
Shotcreting works on slope
Переглядів 986 місяців тому
Shotcreting works on slope
wet test of headworks structures
Переглядів 31 тис.8 місяців тому
wet test of headworks structures
Surge Shaft
Переглядів 1768 місяців тому
Surge Shaft
Lower Solu Hydropower Project Headworks Area
Переглядів 2,5 тис.9 місяців тому
Lower Solu Hydropower Project Headworks Area
A short trip to desilting chambers
Переглядів 4910 місяців тому
A short trip to desilting chambers
Open Blast of boulders
Переглядів 3423 роки тому
Open Blast of boulders

КОМЕНТАРІ

  • @sbrown314
    @sbrown314 21 день тому

    Looks like a horrendous job for the workers

  • @SanubabuPanta
    @SanubabuPanta 28 днів тому

    Yo blcting gareko ke ko lagi ho kegarnako lagi ho janakari hunelele batai dinus la

  • @thehunter3889
    @thehunter3889 2 місяці тому

    where the fuck are you? Pluto?

  • @amanshukla9223
    @amanshukla9223 3 місяці тому

    🎉🎉

  • @surendrarijal3442
    @surendrarijal3442 4 місяці тому

    मरिनखोला मा बाध बालेर त बागमती मा पानी पठाउने होला।

  • @sancortexstk5252
    @sancortexstk5252 5 місяців тому

    Would have been better if you had explained the difference between a road tunnel and a water tunnel dug by TBM.

  • @NA-co9tv
    @NA-co9tv 8 місяців тому