How Bridges are Constructed over Water? | How Underwater Structures Are Constructed | By CivilGuruji

How Bridges are Constructed over Water? | How Underwater Structures Are Constructed
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In About This Video ------------------------------------------------------------------------------------
In this video, Er. Chetan Sharma, Corporate Trainer of Civil Guruji, explained about How Bridges are Constructed over Water? | How Underwater Structures Are Constructed
Bridges are built over water by different methods (depending on the level of water and quality of soil).
First method is used for bridges which are build in low depth water. In low depth water, foundation of bridge are laid by filling the particular location for a temporarily period, over which piers (a type of pillar can be built). Otherwise when the soil is not favorable in the top layer for constructing a bridge, temporarily rigs are erected and piles are constructed deep inside the river bed. Then the bridge can be built either by taking support from the already constructed piers, or by temporary platforms / mud-islands in the water, or through barges (though rarely in less depth waters). How Bridges are Constructed over Water? | How Underwater Structures Are Constructed
Next method is for the bridge build over deep water body (river or sea). Cofferdam technique is used in this case. In this method, a wall enclosing an area is build inside the water and water is continuously pumped out from the area. After that, foundation of the bridge(the pillars) is constructed inside the cofferdam. As the construction place is sea or river itself. Therefore, 24 hour monitoring is required outside the cofferdam to check high tides of water. Bridges build using this technique are strong and carry heavy loads. How Bridges are Constructed over Water? | How Underwater Structures Are Constructed
And the last technique is called Case Drilling. This is the most advance technique. In this technique, a water tight chamber keeps the water away with the help of air pressure. Then a sealed tube chamber is fitted inside the chamber. After that a long drill is put inside the tube and then drilling process starts. Water filled during this process is pumped out. After that a case is inserted into the hole which is drilled inside to give extra support. In this way a stable frame is created. This frame is filled with concrete. Then pillars are build and hence the bridge. How Bridges are Constructed over Water? | How Underwater Structures Are Constructed
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How Bridges are Constructed over Water? | How Underwater Structures Are Constructed
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[@Raj-cw9ln]

Best video ever..make more videos

[@vikassaini4538]

Ek dum Shandar video

[@FactsTezNilesh]

Great knowledge 💯📖📚📝

[@nitinchavan2965]

Supb sir greatful knowledge

[@angshumandebnath1035]

Thank you for uploading the video

[@RaviKumar-it2fe]

Thank you sir,but pura course hona chahiye different types of bridges ka

[@SalmanAli-qy5fk]

Ha bhai sahi bola tu hona chahiye pura course

[@Azeam]

When will sdo class be started

[@ganeshhombal7625]

Thank you sir ☺️

[@s.rconstruction7459]

Nice

[@Rajyadavcec]

Sir bridge construction course available h kiya

[@akhileshbangera9153]

Video starts at 2:52

[@PraveenKumar-rm1qf]

More show this type of construction n each equipment name say sir please

[@Civil_Guruji]

Yes of course …. Keep Learning

[@MayuR00710]

sir, I want info about submerged floating tunnel... currently i watch video about Norway coastal highway, in this project they are constructing undersea tunnel highway..... please sir, provide us how they construct this tunnel and which method they using while constructing tunnel ?

[@Civil_Guruji]

Ok we will discuss this topic also in our next videos

[@MayuR00710]

@@Civil_Guruji okk sir 👍

[@PraveenKumar-rm1qf]

I want more bridge knowledge please sir humble request you sir 🙏🙏🙏🙏🙏

[@officialvlogwither.rahulsi858]

Nyc...🙏

[@PraveenKumar-rm1qf]

Say about more bridge or flyovers please

[@PraveenKumar-rm1qf]

Definition it's sir please

[@AjayKumar-il4vx]

Humme pta ha kaise bante ha

[@RaviKumar-it2fe]

Aapko pata hone se kya ho gaya baki ko tho nhi pata na

[@imrankhan-ej3xd]

Aap to Google se dekh kr Serch kr k bata diye
Lekin precticaly
India me kaise kaam hota hai
Wo to aap ne Btaya hi nai
Aap Adhhori Jaankari de rhe hen

[@mdfaizanalam1773]

Everything what he is telling is the content of Zem TV

[@onekashi]

Bhai ji koi Building bbs estimation par vedio banao

[@carckbandi]

Start from here 3:00

[@PraveenKumar-rm1qf]

Sir equipment name say please

[@yashmeghwal7912]

UPSC me civil engineer interview ki taiyari kaise kare please bataye

[@Talib_Parkar]

Video starts from 3min

[@mdfaizanalam1773]

He literally copied each and every word 😅😅😅