Seismic performance of circular columns rehabilitated with sprayed-GFRP composites

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dc.contributor.authorMohit, Syed Abdullah
dc.contributor.examiningcommitteeBassuoni, Mohamed (Civil Engineering) Wu, Nan (Mechanical Engineering)en_US
dc.contributor.supervisorEl-Salakawy, Ehab (Civil Engineering)en_US
dc.date.accessioned2018-08-17T19:54:36Z
dc.date.available2018-08-17T19:54:36Z
dc.date.issued2018en_US
dc.date.submitted2018-08-10T04:36:30Zen
dc.degree.disciplineCivil Engineeringen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractThis study investigates the seismic behaviour of RC circular columns rehabilitated using sprayed-glass fibre reinforced polymer (sprayed-GFRP) composites. Six large-scale RC circular columns were constructed and tested under reversal-cyclic load and constant axial load (equal to 20% of column axial load capacity). All specimens were deficient in lap splice length and had a diameter of 305-mm with 1,525-mm shear span (length). A 3.0-mm and 6.0-mm thick sprayed-GFRP coating was used for rehabilitation. Two specimens were strengthened without prior loading, two specimens were rehabilitated after being partially damaged (up to 2.5% drift ratio) and two specimens were rehabilitated after being fully-damaged. Sprayed-GFRP of 3-mm thickness is inadequate for rehabilitation of the fully damaged column. However, it can be used for strengthening and rehabilitation of partially-damaged columns. Sprayed-GFRP of 6-mm thickness not only increased the drift capacity of the column but also successfully restored the full capacity of seismically damaged RC columns.en_US
dc.description.noteOctober 2018en_US
dc.identifier.urihttp://hdl.handle.net/1993/33214
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectSeismic loaden_US
dc.subjectCircular columnsen_US
dc.subjectRehabilitationen_US
dc.subjectSprayed-GFRP compositesen_US
dc.titleSeismic performance of circular columns rehabilitated with sprayed-GFRP compositesen_US
dc.typemaster thesisen_US
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