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730810s1962 dcua b 000 0 eng d |
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‡a 62062429
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‡aUniversity of Illinois (Urbana-Champaign campus)
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‡aDynamic studies of bridges on the AASHO road test;
‡creport on a cooperative investigation conducted by the University for the Highway Research Board-AASHO road test.
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260 |
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‡aWashington,
‡bNational Academy of Sciences-National Research Council,
‡c1962.
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300 |
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‡aix, 349 pages
‡billustrations, diagrams, tables
‡c28 cm.
|
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‡atext
‡btxt
‡2rdacontent
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‡aunmediated
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‡aNational Research Council (U.S.). Publication
‡v968
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‡aHighway Research Board. Special report 71
|
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‡aIncludes bibliographical references (pages 179-181).
|
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‡aIntroduction -- Description of test program -- Properties of bridges -- Properties of vehicles -- Representative data on bridge-vehicle behavior -- Results of regular tests -- Results of special tests -- Comparison between experimental and analytical results -- Summary and conclusions -- References.
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‡aThe program of dynamic tests conducted on the bridges of the AASHO road test at Ottawa, Illinois studied the dynamic effects produced in test bridges under moving vehicles and related the observed behavior to the results predicted by theory. The experimental setup consisted of actual heavy vehicles and full-scale bridges, although the bridges were to an extent simplified models. Loading tests were made on bridges both with stationary and slowly moving vehicles, to determine the stiffness of the bridges at various stages, and study the lateral distribution of effects in order to determine to what extent the test bridges behaved as a beam, which was an assumption involved in the theoretical solutions used to predict the dynamic behavior. Results are presented of approximately 1900 dynamic tests.
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‡aMode of access: Internet.
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‡aBridges.
‡2trt
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‡aLoad tests.
‡2trt
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‡aDynamic tests.
‡2trt
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‡aAmerican Association of State Highway Officials.
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‡aNational Research Council (U.S.).
‡bHighway Research Board.
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