– It is that part of the structure, ie piers and abutments, which supports the superstructure and which transfer the structural load to the foundations. 3. Foundation – It is the component which trabsfer loads from the substructure to the bearing strata, shallow or deep foundations are adopted. Usually, piles and well foundations are adopted for bridge foundations. 4. Pile foundation for bridge https://www.youtube.com/watch?v=1T_ePy1K9PM
BRIDGES CONSTRUCTION The bridge structure comprises of the following parts. • Bearings – The bearings transmit the load received from the decking onto the substructure and are provided for distribution of the load evenly over the substructure material which may not have sufficient bearing strength to bear the superstructure load directly. • Substructure – Comprises piers and abutments, wing walls orb breturns and their foundation. • Piers and Abutments – These are vertical structures supporting deck/bearing provided for transmitting the laod down to the bed/earth through foundation. • Wing walls and Returns – These provided as extension of the abutments to retain the earth of approach bank which otherwise has a natural angle of response.
BRIDGES CONSTRUCTION Wing wall Bearing
OTHER BUILDING COMPONENTS WALLS Walls are generally used for providing privacy, security, sun hitting, rain drops, etc. It is basically divided into
