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Live load effects in diaphragms of concrete slab-on-steel girder highway bridges
|dc.creator||Saindon, Kenneth Carl|
|dc.description||Due to the character of the original source materials and the nature of batch digitization, quality control issues may be present in this document. Please report any quality issues you encounter to email@example.com, referencing the URI of the item.||en|
|dc.description||Includes bibliographical references.||en|
|dc.description.abstract||Diaphragms have been shown to have no contribution to lateral distribution of live load as far as design of longitudinal steel girders is concerned. However, they do distribute the transverse moments in a bridge which must otherwise be carried by the deck slab if no diaphragms are present. Inclusion of diaphragm in the design of a highway bridge may increase the required moment capacity for exterior girders if the vehicle-girder distance is large. A method is presented for the prediction of diaphragm member forces under vehicle live load for both the strength and fatigue limit states. These forces are shown to vary significantly among bridges with different diaphragm-deck stiffness ratios and 0 values, where 8 is a property based upon bridge geometry and derived from orthotropic plate theory. These forces also increase for bridges with high skewness, and a correction factor for this is included in the method. Field data is used to confirm that the diaphragm forces predicted by the developed method come close to actual diaphragm forces measured on three different bridges.||en|
|dc.publisher||Texas A&M University|
|dc.rights||This thesis was part of a retrospective digitization project authorized by the Texas A&M University Libraries in 2008. Copyright remains vested with the author(s). It is the user's responsibility to secure permission from the copyright holder(s) for re-use of the work beyond the provision of Fair Use.||en|
|dc.subject||Major civil engineering.||en|
|dc.title||Live load effects in diaphragms of concrete slab-on-steel girder highway bridges||en|
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