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J. S. dos SANTOS A. H. CARDOSO Civil Engineer M. Sc. in Hydraulics Water Resources Project Engineer ExxonMobil Production Company U.S. East P.O. Box New Orleans Louisiana - U.S.A. E-mail: ahc@civil.ist.utl.pt Associate 《国际泥沙研究》2001,16(4)
1 mnCnONLocal scour close to bridge piers and abUtInnts has long been a subect of concem for engineers, sinceit can We total or partial collapse of bridges. Until to the Present, local scour has been assessed, moshy,on the basis of resultS of labOratOry stodis. These sthes were cwhed out for steady flows lashng longenough as to gUarantee the develoPment of equlllbrium scour i.e., the develoPmen of scour holes whosedePth and 8haPe no lOnger significanti evolve with hme.In nta, such long l… 相似文献