History of Connecticut’s Short-Term Strain Program for Evaluation of Steel Bridges
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2009-07-01
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OCLC Number:496835446
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Abstract:Non-destructive strain monitoring has been used for two decades on Connecticut’s bridges to
supplement visual field inspections. These studies have addressed a wide range of problems,
including fatigue cracking in diaphragm connections, cracked secondary connections, main girder
cracking, load ratings, over-load conditions, and concerns with movable bridges involving drive
mechanisms and counter-weight supports. Monitoring has often shown that repairs are not necessary,
and when necessary, the data collected in the monitoring has been used to provide information on how
best to design the repair. The benefit from the monitoring program during the past two decades has
saved the State of Connecticut millions of dollars, well below the cost of implementing the monitoring
program.
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