Preventing Cracking at Diaphragm/Plate Girder Connections in Steel Bridges (TR-393)
End date: 06/01/98
Report: June 1998, Preventing Cracking at Diaphragm/Plate Girder Connections in Steel Bridges (TR-393) 1.4MB (*pdf)
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Iowa Department of Transportation
Iowa Highway Research Board
About the research
Abstract: The objective of this research was to investigate experimentally a method proposed by the Iowa DOT to prevent cracking at the diaphragm/plate girder connection in steel bridges with X-type or K-type diaphragms. The method consists of loosening the bolts at some connections between the diaphragm diagonals and the connection plates.
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