The Confederation Bridge, Canada – Longest Bridges in the World “The longest bridge in the world over ice-forming waters.” Summary – length : 12.9 km – multi-span beam bridge with Post-Tensioned concrete box girder – bridge rests on 62 piers – 44 main piers are 250 m apart – design speed 80 kmph – cost … Read more
Types & Functions Of Bearings for Bridges Function Of Bearings Bridge bearings are used to transfer forces from the superstructure to the substructure, allowing the following types of movements of the superstructure: Translation movements; are displacements in vertical and horizontal directions due to in-plane or out-of-plane forces like wind and self weight. Rotational movements; cause … Read more
Selection Criteria For Bridge Site The choice of the right site is a crucial decision in the planning and designing of a bridge. It may not be possible always to have a wide choice of sites for a bridge. This is particularly so in case of bridges in urban areas and flyovers. For river bridges … Read more
IRC Method Of Concrete Mix Design About IRC 44-1976 Primarily implemented in the design of Concrete Rigid Pavements on Road Construction. Flexural strength is more often specified than compressive strength in the design of concrete mixes for pavement construction. Basic Differences from IS method Strength Criteria– Checking of Flexural strength have more priority than Compressive … Read more