Which Foundation Is Suitable For The Construction Of Bridge?

Which Foundation Is Suitable For The Construction Of Bridge
2. Raft Foundation: – This type of foundation is suitable for bridge when the bed of the watercourse consists of soft clay and silt and the hard soil is not available within reasonable depth (1.5 to 2.5 m) below the river bed. It is best suited in situations where the allowable bearing capacity of the soil is low or when the bridge loads are heavy.

What are the different types of foundations for a bridge?

Types Of Bridge Foundations: 1 Spread or open foundation.2 Raft foundation.3 Grillage foundation.4 Inverted arch foundation.5 Pile foundation.6 Well foundation 7 Caisson foundation. This type of foundation is suitable for bridges of moderate height, to be built on dry ground which is sufficiently firm to support the bridge structure.

How are bridges supported by dirt?

Piling – The most common way to construct a deep foundation for a bridge is called piling. Long, narrow posts called piles are hoisted into the air by a crane and driven into the ground by a large hammer called a piledriver (not that piledriver ). After the pile reaches the required depth, it is capped off and tied.

Do bridges need underwater supports?

Deep vs. Shallow Foundation Construction – You don’t need to be an architect to guess the difference between a deep foundation and a shallow one. But depth isn’t the only difference between the two. Each method transfers the weight of the load to the ground in a different way.

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How are bridges built in the ground?

Piling – The most common way to construct a deep foundation for a bridge is called piling. Long, narrow posts called piles are hoisted into the air by a crane and driven into the ground by a large hammer called a piledriver (not that piledriver ). After the pile reaches the required depth, it is capped off and tied.