Sentence examples for many existing bridges from inspiring English sources

As the national transportation infrastructure ages and deteriorates, many existing bridges require frequent and costly maintenance and repairs.

However, many existing bridges designed according to old seismic design provisions lack flexural ductility due to insufficient concrete confinement.

A kind of hinge bearing requires the use of steel dowels and is typical in many existing bridges.

Inverted-T beams used as bentcap girders that support the bridge's longitudinal precast beams provided a popular structural system of many existing bridges.

The maintenance cost of bridges is rapidly increasing since many existing bridges are deteriorating or reaching their design life all over the world.

However, many existing bridge decks have been constructed utilizing conventional lightweight concrete containing lightweight coarse aggregates, mixtures not specifically designed for internal curing.

Many of the existing bridges in earthquake prone areas are pre-1990 bridges and were designed with out of date regulation codes.

This problem affects many existing concrete bridges and climate change is expected to worsen the situation in future.

Many existing metallic bridge members however do not contain existing cracks, but rather are nearing their design fatigue life.

Nowadays, the bridge stock in many countries is aging, and load testing is used for the assessment of existing bridges.

Two existing bridges across the Delaware, the Tacony-Palmyra and the Burlington-Bristol Bridges last week doubled car tolls to $2.