Transcription of THE NEW FRP MATERIALS FOR CIVIL ENGINEERING …
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THE NEW FRP MATERIALS FOR CIVIL ENGINEERING …
1/50 THENEWFRP MATERIALSFORCIVILENGINEERINGSTRUCTURALAP PLICATIONSJo o Ram a CorreiaInstituto Superior T cnico / ICIST, Technical University of Lisbon57thMeeting of the European Council of CIVIL Engineers (ECCE)Ordem dos Engenheiros, Lisboa, 31/05/20132/50 Development of CIVIL ENGINEERING has been intimately connected to innovation in structural materialsHISTORICALCONTEXTD evelopment of mud bricks reinforced with straw (Mesopotamia) Reduction of construction to human scale Architecture with partition wallsTHENEWFRP MATERIALS FORCIVILENGINEERINGAPPLICATIONS3/50 HISTORICALCONTEXTD evelopment of cast iron, wrought iron andsteel Decisive factor for industrial revolution Development of long span bridgesThe Iron Bridge, Shropshire (1779-1781) Alcantara Bridge, ToledoTHENEWFRP MATERIALS FORCIVILENGINEERINGAPPLICATIONSD evelopment of CIVIL ENGINEERING has been intimately connected to innovation in structural materials4/50 HISTORICALCONTEXTD evelopment of reinforced
9/50 1. Fibre reinforcement High resistance Brittle behaviour 2. Polymeric matrix (resin + filler + additives) Very low resistance Load transfer and stress distribution between fibres Protection of fibres from environmental agents Keeping the fibres in position (and preventing their buckling when compressed) Fibre Reinforced Polymer (FRP) materials - 2 phases:
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