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Bridges and Transportation
SOHA Engineers provides leading-edge design services
for earthquake-resistant design of bridge structures. The firm has
extensive experience in seismic evaluation and retrofit design of
steel, reinforced, and prestressed concrete bridges, including single
deck, double deck, long-span structures, and multi-track elevated
structures for both highway and railway systems.
Our engineers have expertise in applying the latest
technology to determine the response of existing bridge structures
due to seismic loading. Analysis techniques employed may involve
linear static, linear dynamic response spectrum, nonlinear static,
and nonlinear dynamic time-history analyses using software such
as SAP90, SAP2000, ADINA, DRAIN-2DX, DRAIN-3DX, BDS, and ABAQUS.
Selecting the appropriate retrofit scheme can also
present its challenges. Consideration must be given to the overall
construction cost, ease of construction, practicality, the importance
of maintaining bridge operations, and meeting seismic performance
goals. SOHA also specializes in the application of seismic protective
systems, including the use of seismic isolation and energy dissipation
systems.
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