edCFRPsheetsfollowingthreedifferentschemesasillustratedinFigInseriesSW,specimenSW-wasstrengthenedwithtwoCFRPplieshavingperpendicularfiberdirections(/)ThefirstplywasattachedintheformofcontinuousU-wrapwiththefiberdirectionorientedperpendiculartothelongitudinalaxisofthespecimen()Thesecondplywasbondedonthetwosidesofthespecimenwiththefiberdirectionparalleltothebeamaxis()Thisply[ieply]wasselectedtoinvestigatetheimpactofadditionalhorizontalrestraintonshearstrengthInseriesSW,specimenSW-wasstrengthenedwithtwoCFRPplieshavingperpendicularfiberdirection(/)asforspecimenSW-FourbeamspecimenswerestrengthenedinseriesSOSpecimenSO-wasstrengthenedwithone-plyCFRPstripsintheformofU-wrapwith-fiberorientationThestripwidthwasmmwithcenter-to-centerspacingofmmSpecimenSO-wasstrengthenedinamannersimilartothatofspecimenSO-,but毕业设计外文文献及译文--withstripwidthequaltommSpecimenSO-wasstrengthenedw-[]和规定总抗剪强度一个限度,可提供更多一种抗剪强度,以排除网络拥挤。
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