author: m lee marsh

Performance-based Seismic Bridge Design

... design to achieve the stated performance goals. Comparisons of various organization-specific criteria can be found in chapter ten. CALIFORNIA (CALTRANS) Caltrans has long been the domestic leader in the seismic design of bridges, and ...

Dynamic Impact Factors for Bridges

... DYNAMIC LOAD EFFECTS 1 A. A. S. H. O. 1922 [ - 2 A. S.C. E. 1924 [ 2000 - L ... Dynamic load. CHAPTER FOUR AMERICAN ASSOCIATION OF STATE HIGHWAY AND ... formula : I = 50 / ( L + 125 ) ( 8 ) where I is the impact fraction , which ...

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