Challenge 12
- Explain in detail about open foundation
This type of bridge foundation is suitable for moderate height, to be built on dry ground which is sufficiently firm to support the bridge structure.
It is best suited in situations where hard soil is available within 1.5 to 3 m below the bed level of watercourse and when the scouring is minimum.
Spread foundation
2.Explain in detail about the components of the Well Foundation.
Ans.
Well foundation is a type of deep foundation which is generally provided below the water level for bridges. Cassions or well have been in use for foundations of bridges and other structures since Roman and Mughal periods. The term 'cassion' is derived from the French word caisse which means box or chest.
