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PLANNING AND DESIGN OF INTEGRAL ABUTMENT BRIDGES UNDER SERVICE AND SEISMIC LOADS
Date
2022-07-19
Author
Dicleli, Murat
Metadata
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This course is composed of two parts. The first part will provide general information on the planning and design of integral bridges under service and seismicloads and the second part will cover dynamic analysis and seismic design of integral bridges. Integral bridges are rigid frame structures where the superstructure is connected monolithically to a flexible abutment-pile system composed of thin, stub abutments supported on a single row of piles. Therefore, the behavior of integral abutment bridges under thermal, gravitational, and seismic loads is different than that of regular jointed bridges. The first part of this course introduces (i) general planning and design considerations, (ii) implementing proper abutment backfill interaction behavior in the structural model under thermal effects, (iii) calculation of length limits of integral abutment bridges to evade low cycle fatigue failure of the steel piles (iv) estimation of live load effects in the superstructure, abutments and piles considering the continuity of the bridge and soil-structure interaction, (v) important soil-structure modeling considerations for the seismic analysis and design of integral abutment bridges. The second part of this short course will focus on explaining the dynamic behaviors of structures. The main objectives of this part are to identify dynamic problems, determine the natural frequencies of structures, establish the equations of motion, stiffness, and mass for structures and introduce the seismic analysis methods for structures. Seismic analyses and design methods adopted inthe Canadian codes and standards will be presented and applied to integral abutment bridges. Critical parameters impacting seismic design for new bridges and rehabilitation of existing structures will be introduced and discussed.
URI
https://hdl.handle.net/11511/107482
Conference Name
11 th International Conference on Short and Medium Span Bridges
Collections
Department of Engineering Sciences, Conference / Seminar
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M. Dicleli, “PLANNING AND DESIGN OF INTEGRAL ABUTMENT BRIDGES UNDER SERVICE AND SEISMIC LOADS,” presented at the 11 th International Conference on Short and Medium Span Bridges, Ontario, Kanada, 2022, Accessed: 00, 2023. [Online]. Available: https://hdl.handle.net/11511/107482.
