INTRODUCTION Concrete I-section bridges are common in bridge construction due to their structural efficiency and versatility. Concrete...

Evaluating the Loads on bridge is amongst the first steps in designing bridges. All loads upon a bridge have to travel via the bridge...

Corbels (aka brackets.) are reinforced structural members or short structural projections used to transfer vertical and horizontal forces...

Portal beams are usually put to use when the placement of a single pier is not feasible. This might be due to some obstruction or otherwise when the viaduct has to cross a road and the placement of a single pier would obstruct the road. These structures are either in RCC, steel, composite or designed with post tensioned beams. STRUCTURE The case we are expounding is that of a single piercap and single viaduct portal pier, which hosts tow box girder spans on either sides. Por