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Dynamic Impact Factors for Bridges
David I. McLean
M. Lee Marsh
National Cooperative Highway Research Program
出版
Transportation Research Board
, 1998
主題
Technology & Engineering / Civil / General
Technology & Engineering / Civil / Bridges
Technology & Engineering / Civil / Highway & Traffic
ISBN
0309068193
9780309068192
URL
http://books.google.com.hk/books?id=r6yJrh2G5g0C&hl=&source=gbs_api
EBook
SAMPLE
註釋
This synthesis will be of interest to state department of transportation and consulting bridge, structural, and research engineers. The synthesis describes the current state of the practice for determining dynamic impact factors for bridges. Information for the synthesis was collected by surveying U.S. and Canadian transportation agencies and by conducting a literature search using domestic and foreign sources. This report of the Transportation Research Board documents relevant background and recent information with regard to vehicular dynamic load effects on bridges. It provides details on the basic concepts of bridge dynamics, including identification of the main variables affecting bridge dynamic response. In addition, current code provisions for accounting for vehicular dynamic load effects for new bridge design and load evaluation of existing bridges are reported, including a discussion on the background of the provisions. Finally, a discussion of observed field problems associated with vehicular dynamic load effects, as obtained from the survey, are included.