Use of New and Modification of Traditional Structural Components Can Add to Bridge Seismic Resiliency

Abstract eng:
Modifiying traditional structural accessories such as expansion joints and bearings can add to the structural anti-seismic resiliency by sharing horizontal loads and by eliminating component wear and post-seismic event replacement or repair. Adding Lock Up Devices (LUDs) to existing structures can increase the horizontal load capacity of an existing structure by increasing the efficiency of the existing structural design to maximize its potential capability. The results can be significant improvement in the overall structural performance with improvements of 30-50% beyond the original capacity of the structure.

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