Coverart for item
The Resource Use and interpretation of strong-motion records from highway bridges, J.D. Raggett and Christopher Rojahn, U.S. Geological Survey

Use and interpretation of strong-motion records from highway bridges, J.D. Raggett and Christopher Rojahn, U.S. Geological Survey

Label
Use and interpretation of strong-motion records from highway bridges
Title
Use and interpretation of strong-motion records from highway bridges
Statement of responsibility
J.D. Raggett and Christopher Rojahn, U.S. Geological Survey
Creator
Contributor
Subject
Genre
Language
eng
Summary
This report describes how strong-motion records obtained from the earthquake induced motions of highway bridges may be analyzed for use in the evaluation of bridge designs and bridge design procedures. This report is divided into five principal sections. The first section describes strong-motion instrumentation and strong-motion records. In the second section, a mathematical model for the dynamic response of bridges to strong ground shaking is formulated. The third section describes how analog records scaled by hand can be analyzed. Force levels throughout bridges and mathematical model parameters are found from hypothetical strong motions for two example bridges. The fourth section describes how digitized records can be analyzed. A linear least-squares fitting procedure in the time domain for identifying mathematical model parameters from recorded strong motions is described. Hypothetical motions for three example bridges are analyzed using this procedure to yield best-fit mathematical models. The last section consists of appendices. Included are a more extensive introduction to dynamics of structures and listings of the programs used to identify the best-fit mathematical models
Cataloging source
GPO
http://library.link/vocab/creatorName
Raggett, J. D
Government publication
federal national government publication
Illustrations
illustrations
Index
no index present
LC call number
TE662
LC item number
.A3 no.RD-78-158
Literary form
non fiction
Nature of contents
bibliography
http://library.link/vocab/relatedWorkOrContributorName
  • Rojahn, Christopher
  • United States
  • Geological Survey (U.S.)
http://library.link/vocab/subjectName
  • Bridges
  • Bridge design
  • Earthquakes
  • Highway bridges
Label
Use and interpretation of strong-motion records from highway bridges, J.D. Raggett and Christopher Rojahn, U.S. Geological Survey
Instantiates
Publication
Note
  • "Report no. FHWA-RD-78-158."
  • Final report; Oct. 1978
  • Prepared under contract no. 5-3-0195
Bibliography note
Includes bibliographical references (pages 144-145)
Carrier category
volume
Carrier category code
  • nc
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Contents
Introduction -- Strong-motion instrumentation and records -- Formulation of a mathematical model for the dynamic behavior of bridges -- Analysis of analog records -- Analysis of digitized strong-motion records with the assistance of a high-speed computer -- Concluding remarks -- References -- Appendices
Control code
4749991
Dimensions
28 cm
Extent
ii, 168 pages
Media category
unmediated
Media MARC source
rdamedia
Media type code
  • n
Other physical details
illustrations
System control number
(OCoLC)4749991
Label
Use and interpretation of strong-motion records from highway bridges, J.D. Raggett and Christopher Rojahn, U.S. Geological Survey
Publication
Note
  • "Report no. FHWA-RD-78-158."
  • Final report; Oct. 1978
  • Prepared under contract no. 5-3-0195
Bibliography note
Includes bibliographical references (pages 144-145)
Carrier category
volume
Carrier category code
  • nc
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Contents
Introduction -- Strong-motion instrumentation and records -- Formulation of a mathematical model for the dynamic behavior of bridges -- Analysis of analog records -- Analysis of digitized strong-motion records with the assistance of a high-speed computer -- Concluding remarks -- References -- Appendices
Control code
4749991
Dimensions
28 cm
Extent
ii, 168 pages
Media category
unmediated
Media MARC source
rdamedia
Media type code
  • n
Other physical details
illustrations
System control number
(OCoLC)4749991

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