Resistance of welded details under variable amplitude long-life fatigue loading.

Author(s)
Fischer, J.W. Nussbaumer, A. Keating, P.B. & Yen, B.T.
Year
Abstract

The research described in this report is the result of continued experimental studies performed in the laboratory under NCHRP Project 12-15(5). It is intended to provide additional information on the effects of infrequently exceeding the constant amplitude fatigue limit during the service life of bridge structures. Welded details simulating attachments used on steel bridge members were subjected to variable amplitude loading similar to the skewed spectra that most bridge structure experience. Only a few stress cycles exceeded the constant amplitude fatigue limit for a number of the welded details that were tested. The results obtained from the variable amplitude tests were found to supplement and further verify the observations reported in NCHRP Report 267.

Publication

Library number
931352 ST S
Source

Washington, D.C., National Research Council NRC, Transportation Research Board TRB / National Academy Press, 1993, 32 p., 15 ref.; National Cooperative Highway Research Program ; Report 354 / NCHRP Project 12-15(5) FY'82 - ISSN 0077-5614 / ISBN 0-309-05352-8

Publication (link)

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