Preventing Cracking at Diaphragm/Plate Girder Connections in Steel Bridges (TR-393)

Project Details
STATUS

Completed

START DATE

06/01/98

END DATE

06/01/98

RESEARCH CENTERS InTrans, BEC, CTRE
SPONSORS

Iowa Department of Transportation
Iowa Highway Research Board

Researchers
Principal Investigator
Terry Wipf

Faculty Affiliate

Co-Principal Investigator
Lowell Greimann

Bridge Engineer

About the research

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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