RELIABILITY ASSESSMENT OF THE STRENGTH CAPACITY OF SOLID TIMBER COLUMNS IN FRP LAMINATES AND SPRAYS

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dc.contributor.authorBajahry, Samuel Iliya
dc.date.accessioned2019-02-13T11:04:20Z
dc.date.available2019-02-13T11:04:20Z
dc.date.issued2017-11
dc.descriptionA THESIS SUBMITTED TO THE SCHOOL OF POSTGRADUATE STUDIES AHMADU BELLO UNIVERSITY ZARIA-NIGERIA DEPARTMENT OF CIVIL ENGINEERING FACULTY OF ENGINEERING AHMADU BELLO UNIVERSITY ZARIA-NIGERIAen_US
dc.description.abstractCarbon Fiber-Reinforced Polymer (CFRP) composite materials have provenvaluable properties and suitability to be used in the construction of new buildings and in upgrading theexisting ones. One of the objectives of this study is to laminate solid timber columns with varying thicknesses of CFRP laminates to check the patterns of the stresses, displacements and reactions of the solid timber columns. An analytical model for CFRP strengthened timber columnswith length of 3700mm, width of 150mm, depth of 200mm and varying thicknesses of 0.2mm, 0.4mm, 0.6mm, 0.8mm and 1 mm with coded specified axial applied load for three different timber species of Abura, Afromosia and Confusa. The secondlayer of CFRP is consideredmost effective wrapping scheme due to the cost effectivenessof increase in axial applied load. This research findings have shown that CFRP laminates and sprays are not only effective in restoring the lost capacity of damaged timber columns sections, but are also quite effective in strengthening of timber columns sections to sustain higher loads,extend their fatigue life and reduce crack propagation. The reliability assessment of composite timber columnswith varioustimber species was also executed using MATLAB programming. Adequate safety indices were obtained for different load ratio, MOE of CFRP, thickness of CFRP and strength classes of timber species..en_US
dc.identifier.urihttp://hdl.handle.net/123456789/11251
dc.language.isoenen_US
dc.subjectRELIABILITY,en_US
dc.subjectASSESSMENT,en_US
dc.subjectSTRENGTH,en_US
dc.subjectCAPACITY,en_US
dc.subjectSOLID TIMBER COLUMNS,en_US
dc.subjectFRP LAMINATES,en_US
dc.subjectSPRAYSen_US
dc.titleRELIABILITY ASSESSMENT OF THE STRENGTH CAPACITY OF SOLID TIMBER COLUMNS IN FRP LAMINATES AND SPRAYSen_US
dc.typeThesisen_US
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