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Investigation of Live Load Moment and Tension Force in Bridge Deck Slab Overhang Due to AASHTO Truck Loading and Transverse Vehicle Impact

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posted on 2024-03-18, 15:44 authored by Chinnu Shaji
This study investigates the structural response of bridge deck slab overhang in slab-on-girder bridge system based on the 2020 AASHTO LRFD Bridge Design Specifications. A parametric study was conducted, using the finite-element method, on the overhang to determine the applied moments and tensile forces due to transverse vehicle collision forces with the barrier. Another parametric study was conducted to determine the applied moments resulting from AASHTO truck loading. The key parameters considered in this study included deck overhang of constant thickness and tapered shape with a span ranging from 1 to 3 m, barrier and overhang length in the direction of traffic ranging from 5 m to 20 m, and concrete traffic barrier geometries, namely: TL-1 through TL-6. The data generated from this study was used to develop design charts to design unstiffened and stiffened deck overhang. Such data can be used further to develop reliable empirical equations for design.

History

Language

eng

Degree

  • Master of Applied Science

Program

  • Civil Engineering

Granting Institution

Ryerson University

LAC Thesis Type

  • Thesis

Thesis Advisor

Khaled Sennah

Year

2022

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    Civil Engineering (Theses)

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