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FOURTH NATIONAL WORKSHOP ON BRIDGE RESEARCH IN PROGRESS:
 
RESEARCH ABSTRACT
 
Title:
Bridge Pier Analysis for Ship Impact and Other Loads
Author(s) and Affiliation(s):
Marc I. Hoit, Mike C. McVay and Clifford O. Hays, Jr. Department of Civil Engineering University of Florida, Gainesville, FL
Principal Investigator:
Marc I. Hoit and Mike C. McVay
Sponsor(s):
Florida Department of Transportation and the Federal Highway Administration
Research Start Date:
October 1993
Expected Completion Date:
December 1997
Research Objectives:
Bridge pier analysis and design have always been time consuming and difficult jobs for engineers. The analysis should include the effects of the nonlinear structural and soil behavior as well as soil-pile-structure interaction. In order to properly model these effects, the structural model must include the effects of concrete cracking, prestressing, yielding of steel and beam-column stability effects. The soil models must consider both the axial and lateral load-deformation response of the piles or shafts and the spacing and arrangements of the piles or shafts. The nonlinear response is especially important when designing for super events such as ship impact or a severe earthquake. The objective of this long term research program is to develop a computer software package that will be used to accurately model the nonlinear response of bridge pier foundations to three dimensional loads.
Expected Products or Deliverables:
The primary result of this research will be a robust user-friendly program that will be capable of the analysis and design of bridge pier foundations for a variety of loading including super events such as ship impact. The program will operate in a Microsoft Windows environment and include other similar foundation structures such as highmast lighting and sound walls. Cross-sections and materials will be very general, including prestressed and reinforced concrete and structural steel tubes with or without concrete fill. Loadings will be automatically generated.

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