i-manager Publications

Comparative Analysis and Design of Integral Bridges: Thermal Effects, Soil-Structure Interaction, and Structural Performance

Shreedhar R.*

Department of Civil Engineering, SG Balekundri Institute of Technology, Belagavi, Karnataka, India.

Periodicity:April - June'2024
DOI : https://doi.org/10.26634/jste.13.1.21257

Abstract

The integral bridges have emerged as a preferred alternative to traditional bridges with expansion joints, particularly for small- to medium-span structures. Integral bridges eliminate the need for expansion joints, leading to reduced maintenance and improved long-term performance. This study presents a comprehensive analysis of integral bridges, focusing on the validation of P-Y curves for modeling soil-pile interaction, the impact of thermal loading on pile behavior, and the comparison of structural responses between integral and simply supported bridges. Using the nonlinear analysis tool SAP2000, the research evaluates key factors such as pile deflection, bending moments, shear forces, and deck slab stresses under various loading conditions, including IRC Class A and 70R. The results show that integral bridges exhibit lower deck slab stresses and bending moments compared to simply supported bridges, highlighting their efficiency in specific design scenarios. The study concludes with recommendations for enhancing the design and construction of integral bridges, especially in the absence of specific code provisions.

Keywords

Integral Bridges, Thermal Loading, Soil-Pile Interaction, Pile Deflection, Deck Slab Stresses, Expansion Joints.

How to Cite this Article?

Shreedhar, R. (2024). Comparative Analysis and Design of Integral Bridges: Thermal Effects, Soil-Structure Interaction, and Structural Performance. i-manager’s Journal on Structural Engineering, 13(1), 25-36. https://doi.org/10.26634/jste.13.1.21257

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Comparative Analysis and Design of Integral Bridges: Thermal Effects, Soil-Structure Interaction, and Structural Performance

Abstract

Keywords

How to Cite this Article?

References

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