• Home
  • Browse
    • Current Issue
    • By Issue
    • By Author
    • By Subject
    • Author Index
    • Keyword Index
  • Journal Info
    • About Journal
    • Aims and Scope
    • Editorial Board
    • Editorial Staff
    • Publication Ethics
    • Indexing and Abstracting
    • Related Links
    • FAQ
    • Peer Review Process
    • News
  • Guide for Authors
  • Submit Manuscript
  • Reviewers
  • Contact Us
 
  • Login
  • Register
Home Articles List Article Information
  • Save Records
  • |
  • Printable Version
  • |
  • Recommend
  • |
  • How to cite Export to
    RIS EndNote BibTeX APA MLA Harvard Vancouver
  • |
  • Share Share
    CiteULike Mendeley Facebook Google LinkedIn Twitter
Journal of Structural Engineering and Geo-Techniques
arrow Articles in Press
arrow Current Issue
Journal Archive
Volume Volume 9 (2019)
Volume Volume 8 (2018)
Volume Volume 7 (2017)
Volume Volume 6 (2016)
Volume Volume 5 (2015)
Volume Volume 4 (2014)
Issue Issue 4
Issue Issue 3
Issue Issue 2
Issue Issue 1
Volume Volume 3 (2013)
Volume Volume 2 (2012)
Volume Volume 1 (2011)
TavousiTafreshi, S., Ghafooripour, A., Jafari, S. (2014). A Comparison of Different Non-linear Numerical Models for Pier Shaft Interaction Analysis for study of the Seismic Performance of Bridges. Journal of Structural Engineering and Geo-Techniques, 4(4), 23-36.
Shahriar TavousiTafreshi; Amin Ghafooripour; Seyed shahrum Jafari. "A Comparison of Different Non-linear Numerical Models for Pier Shaft Interaction Analysis for study of the Seismic Performance of Bridges". Journal of Structural Engineering and Geo-Techniques, 4, 4, 2014, 23-36.
TavousiTafreshi, S., Ghafooripour, A., Jafari, S. (2014). 'A Comparison of Different Non-linear Numerical Models for Pier Shaft Interaction Analysis for study of the Seismic Performance of Bridges', Journal of Structural Engineering and Geo-Techniques, 4(4), pp. 23-36.
TavousiTafreshi, S., Ghafooripour, A., Jafari, S. A Comparison of Different Non-linear Numerical Models for Pier Shaft Interaction Analysis for study of the Seismic Performance of Bridges. Journal of Structural Engineering and Geo-Techniques, 2014; 4(4): 23-36.

A Comparison of Different Non-linear Numerical Models for Pier Shaft Interaction Analysis for study of the Seismic Performance of Bridges

Article 5, Volume 4, Issue 4, Autumn 2014, Page 23-36  XML
Authors
Shahriar TavousiTafreshi1; Amin Ghafooripour2; Seyed shahrum Jafari3
1Assistant Prof., Islamic Azad University, Central Tehran Branch, Iran
2Assistant Prof., School of the built environment, Heriot-Watt University, UK (Dubai Campus)
3M.Sc. Student of Structure Eng., Islamic Azad University, Dubai Branch, UAE
Abstract
The AASHTO code of practice for design of bridges shows that the ductility level for foundation is given equal to one. Bridges are classified in three classes. For class of essential and normal bridges a question for not to use ductility level due to the importance of bridges’ costs is become an important item in different countries particularly in Middle east.

This paper aimed to study on performance of bridges based on the effect of soil non-linear behavior. A comparison between Finite Difference (F.D), Finite Element (F.E) methods and close form solutions has been carried out on single and group piles under lateral loads in multilayered soils. Winkler model with non-linear springs, FLAC-3D, ANSYS5.4 and ABAQUS software were used for verifications. The Lagrangian method was considered in FLAC-3D and the Drucker-Prager was used in ANSYS. Pile behavior in sandy soils, uniform clayey soils, clayey deposits including sandy lenses, and Sand deposits with thin clay layers were analyzed. Verification between traditional close form solution methods with those analysis methods were carried out.

Results show the effectiveness of foundation ductility in compare with the expected ductility levels and structural performance for superstructure. The ductility level of substructure due to the pile soil interaction has found equal to 3.5 to 4.5 for different soil types. It show in “Pile and Deck (pier shaft)” model in bridges for the normal and essential bridges classes the use of ductility should be taken into account in accordance with soil-structure performance.

In conclusion the paper shows that for the pier shaft system it would be possible to use ductility level for foundations for normal and essential class of bridges and for those countries that they use the structural ductility for design of all components of structure including piles, the level of performance should be precisely investigated and using of structural ductility level is under question for design of pier shaft models.
Keywords
Non-linear; Pier Shaft; Seismic; Bridges
Statistics
Article View: 1,332
Home | Glossary | News | Aims and Scope | Sitemap
Top Top

Journal Management System. Designed by sinaweb.