It can be noticed that top and bottom plates welded with studs are hot vulcanized – and once these bearings are installed with top and bottom concrete in location,  replacement or realignment of these bearings are impossible, for which full concrete structure has to be broken down. Over 100 bearings are installed in a bridge Project in Middle East. we have come across 100’s of such design flows.

Elastomeric bearings and bearing pads  used in bridges and concrete buildings to support large vertical loads, lateral shear, and rotations of these structures by accommodating loads and movements due to thermal expansions, relaxations, creep, and rotations. The design criteria for these bearings are stringent engineering and experience and are frequently not understood and followed. These kinds of  incompetent design capabilities  followed by design errors and issues, lead to premature failure as well as earlier failure of bearings, as well as replacement of bridge bearings are made next of impossible, repair contractor’s nightmare.