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Adhesively bonding a cover plate to the tension flange of a steel girder and high‐strength bolting the ends to prevent debonding was experimentally shown to increase the fatigue life by a factor of 20 over that of welded cover plates, from Category E to Category B. The number of end bolts should be that needed to develop the cover plate's portion of the maximum moment at the theoretical cut‐off point. Previous parametric analyses of single‐span and two‐span‐continuous multigirder bridges has shown that improvements in cover plate design, which raise the fatigue strength to that of Category B, make them fatigue‐proof to highway truck loading.
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Pedro Albrecht (1987) studied this question.
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