BridgeSight Solutions

for the AASHTO LRFD Bridge Design Specification

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BridgeSight Solution for May 1999

Live Load Distribution Factors for a Three Span Continuous Precast Girder Bridge [Click to view or Right Click to Download and Save]

Well,  we are a little bit early this time, but this BridgeSight Solution  is so neat that we just can't stand to keep it to ourselves any longer.

This design example illustrates the procedure for calculating live load distribution factors for the approximate method of analysis described in Article 4.6.2 of the AASHTO LRFD Bridge Design Specifications. The example focuses on beam and slab bridge types. Live load distribution factors are computed for a three span continuous precast girder bridge for moment, shear, and reactions.  The provisions of Article C4.6.2.2.1 are considered in this example.


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