Title page for ETD etd-04272010-020049
|Type of Document
||Easter, Scott F.
||Design of a multi-span plate girder highway bridge using LRFD bridge specifications
||Master of Engineering
|Barker, Richard M.
|Easterling, William Samuel
|Garst, Donald A.
|Date of Defense
The design of the superstructure of a multi-span plate girder bridge was
performed using the new AASHTOILRFD bridge specifications. The bridge was
composed of three continuous spans of 100'-120'-100' designed to carry interstate traffic
over a relatively wide river. The roadway width was 44'-0" and the girder spacing was 8'-
0". The design was composite in both the positive and negative moment regions. The
report includes a review of the loading criteria for the new specifications which are
relevant to the project. Comparisons are made between the current 1992 AASHTO
requirements and the new AASHTOILRFD requirements. The project includes a detailed
analysis of the loads and the moment and shear envelopes. Finally, the design, in
accordance with the new specifications, is presented along with drawings and conclusions.
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