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Earth Quake Analysis as per AASHTO for Discontimuous Bridges

Earth Quake Analysis as per AASHTO for Discontimuous Bridges

Earth Quake Analysis as per AASHTO for Discontimuous Bridges

(OP)
I would like to know aashto reference to get the details of Earth quake analysis for non continuous Bridges. I have 5 prestressed girders resting on RCC transoms and RCC piles. I would like to know the exact procedure to calculate earth quake forces &  deflections for 4 spans of 25 m each with expansion joints after each span. Any web site which can help me.

RE: Earth Quake Analysis as per AASHTO for Discontimuous Bridges

The National Highway Institute sells a collection of seven manuals [used to be $100]containing excellent examples for the various EQ analyses.

If your structure can be analyzed by the uniform load method or single mode response it's fairly straight forward; just follow the instructions in the AASHTO Standard Specifications.

RE: Earth Quake Analysis as per AASHTO for Discontimuous Bridges

Also note that there used to be an example of a multi-span, simple beam bridge in the commentary.  You may have to look back several years.

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