Seismic behavior of concrete bridge pier considering soil-pile-structure interaction

Tuladhar, R., Mutsuyoshi, H., and Maki, T. (2008) Seismic behavior of concrete bridge pier considering soil-pile-structure interaction. In: Proceedings of the 14th World Conference on Earthquake Engineering (5), pp. 1-8. From: 14WCEE 14th World Conference on Earthquake Engineering, 12-17 October 2008, Beijing, China.

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Abstract

[Extract] Seismic behavior of a structure is highly influenced by the response of foundation and ground. Hence, the modern seismic design codes recommend that the response analysis should be conducted by taking into consideration the whole structural system including the soil-structural interaction. 3D FEM analysis is appealing for soil-structure interaction problems as it can model soil continua and it takes into account the damping and inertial effect of soil. However, for a structure with a large number of piles, it is computationally difficult to carry out full 3D FEM analysis using solid elements for both structure and piles. This paper, investigates the use of 3-node fiber based beam elements for modeling of pile using full-scale lateral loading test on single pile and 3D FEM analysis of single pile and full-scaled bridge pier system. The finite element analysis carried out on the single pile and full-scale bridge pier exhibited that 3-node beam element can adequately simulate the behavior of concrete piles and the whole bridge systems very similar to that of full 3D analysis where piles are modeled by 20-node solid elements.

Item ID: 16824
Item Type: Conference Item (Non-Refereed Research Paper)
Keywords: soil-structure interaction, finite element analysis, concrete bridges, concrete piles, seismic behavior
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Date Deposited: 01 Sep 2011 07:09
FoR Codes: 09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 50%
09 ENGINEERING > 0905 Civil Engineering > 090504 Earthquake Engineering @ 30%
09 ENGINEERING > 0905 Civil Engineering > 090501 Civil Geotechnical Engineering @ 20%
SEO Codes: 87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials @ 50%
87 CONSTRUCTION > 8702 Construction Design > 870201 Civil Construction Design @ 50%
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