Comparison Of Abutment Stiffness Calculation Methods In The Seismic Analysis Of Highway Bridges
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Masters Theses in the Pure and Applied Sciences
| Author | : Wade H. Shafer |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 427 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 1461303931 |
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 39 (thesis year 1994) a total of 13,953 thesis titles from 21 Canadian and 159 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 39 reports theses submitted in 1994, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Fragility Considerations in Highway Bridge Design
| Author | : Masanobu Shinozuka |
| Publisher | : |
| Total Pages | : 200 |
| Release | : 2007 |
| Genre | : Concrete bridges |
| ISBN | : |
Seismic Design Guidelines for Highway Bridges
| Author | : Applied Technology Council |
| Publisher | : |
| Total Pages | : 228 |
| Release | : 1981 |
| Genre | : Bridges |
| ISBN | : |
This document contains Guidelines for the seismic design of highway bridges. The Guidelines are the recommendations of a team of nationally recognized experts which included consulting engineers, academicians, State highway, and Federal agency representatives from throughout the United States. The Guidelines are comprehensive in nature and they embody several new concepts which are significant departures from existing design provisions. An extensive commentary documenting the basis for the Guidelines and an example demonstrating their use are included. A draft of the Guidelines was used to seismically redesign twenty-one bridges. Significant changes resulted from the redesigns and are reflected in this report. A summary of the redesigns is included.
Seismic Design of Highway Bridge Foundations
| Author | : Ignatius Po Lam |
| Publisher | : |
| Total Pages | : |
| Release | : 1986 |
| Genre | : Bridges |
| ISBN | : |
This report provides specific procedures for the seismic design of bridge foundations and abutments based on hand-calculation methods using design charts and computer methods. This report supplements the "Seismic Design Guidelines for Highway Bridges" published as a design specification by the American Association of State Highway and Transportation Officials (AASHTO) in 1983. Design procedures are presented for footings, piles, drilled shafts, and abutments. Comments on site investigation procedures and in situ and laboratory testing are also provided in relation to determination of site soil parameters for analyses. Additional comments are provided on earthquake-induced liquefaction and slope stability as they affect bridge foundation design. The selected design procedures were verified by comparing analytical predictions with experimental data.
Comparison and Evaluation of Displacement-based Methods and Modeling Assumptions for Design of Ordinary Bridges in High Seismic Regions Using Various Computer Software
| Author | : Ali Hajihashemi |
| Publisher | : |
| Total Pages | : |
| Release | : 2013 |
| Genre | : |
| ISBN | : |
The main objective of this research is to evaluate the effectiveness of three different displacement-based methods for seismic design of ordinary standard bridges. Two bridges previously designed by the Tennessee Department of Transportation (TDOT) engineers following the American Association of State Highway and Transportation Officials (AASHTO) Guide Specifications for LRFD Seismic Bridge Design are selected and investigated in this study. Two different support conditions are considered, one employing seat-type abutments with rigid bent foundations; and the second employing stub wall abutment with flexible bent foundations (Nonlinear Spring Support Configuration). In addition to the AASHTO Specifications, the analysis methods include the capacity-demand-diagram method, as an inelastic demand Capacity Demand Method (CSM), and Federal Emergency Management Agency (FEMA) 440 Procedure C as an equivalent linearization CSM. Pushover analysis methods are used to construct the capacity diagram of the system. Furthermore, the usability of the three most widely used software programs (SAP2000, ADINA, and OpenSees) for performing the displacement-based seismic analysis is studied.This research will provide TDOT engineers with the necessary information on which procedure is the best approach to use for design of highway bridges. Also, it provides information on how well previously designed bridges response when analyzed with the new displacement-based procedures. And finally, it will provide the TDOT engineers with information on capabilities and limitations of various software packages.
Seismic Retrofit Measures for Highway Bridges: Robinson, R.R., Longinow, A., Chu, K.H. Earthquake and structural analysis
| Author | : |
| Publisher | : |
| Total Pages | : 152 |
| Release | : 1979 |
| Genre | : Bridges |
| ISBN | : |
The primary objectives of the report are to (1) provide current information on the theory and techniques for seismic analysis of highway bridges, including background material on basic structural dynamics, (2) identify the appropriate criteria necessary to decide if a bridge needs retrofitting and the type of retrofit measures to employ, and (3) demonstrate design details and installation specifications for retrofitting existing highway bridges to minimize earthquake damage. This report is in two volumes: Vol 1 "Earthquake and Structrural Analysis" Vol. 2 "Design Manual". Volume two is a design manual and contains illustrations of various retrofit concepts and specific design procedures which can be applied to existing bridges.
