State the functions and requirements of a pier.

State the functions and requirements of a pier.
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1 Answer

Answer :

Functions of piers: i) To divide the length of bridge into suitable number of spans. ii) To transfer the load from bridge superstructure to subsoil through foundations.

Requirements of piers: 1. It should be easily and cheaply constructed. 2. It should be constructed of durable material. 3. It should have sufficient bearing area at its top to receive the bearings supporting the bridge girder. 4. It should be stable against lateral and longitudinal thrust of water. 5. It should be strong enough to take loads. 6. It should involve less maintenance cost
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