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180823 Eng |
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|a TSAM Library
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|a TJ145
|b KEN 2018
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|a Kenneth, Boo Beng Wee
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|a Seismic Retrofitting of Deficient RC Beam-Column Joint Regions Using Pre-Tensioned Steel Straps
|c Kenneth Boo Being Wee.
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|a Nilai:
|b INTI International University,
|c January 2018.
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|a ♭2018.
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|a xx, 138:
|b ill.;
|c 30 cm.
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|a text
|2 rdacontent
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|a unmediated
|2 rdamedia
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|a volume
|2 rdacarrier
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|a BCEGI 50
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|a BEng (Hons) in Civil Engineering Jannuary 2018
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|a FEQS-Civil 2018
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|a This research presents the study of the seismic performance of deficient RC L-joints confinedwith pre-tensioned steel straps. The main experimental result parameters investigated are theload applied-drift ratio relationship; ductility; and energy dissipation capacity. Besides, thedifferent corresponding modes of failure of the specimens were properly understood as well.An extensive study was done to review other related journals which will help facilitate a morecomprehensive understanding for the outcomes of this research (in Chapter 2). As for thisresearch, 15 RC L-joint specimens with different volumetric ratio of confinement (control; 1to 4 layers of steel straps) were fabricated and tested under simulated seismic loadingswhereby uniaxial cyclic loadings were applied on the specimens? beam tip and column topface. The experimental findings may be summarized as follows: The highest percentage ofshear strength enhancement is 40% as that shown by the specimens confined with two layersof steel straps. It was also found that the specimens with high volumetric ratio of confinementhave lower rate of stiffness degradation. On the other hand, the highest average displacementductility factor enhancement (74%) was shown by the specimen group with three layers ofsteel straps. The energy dissipation capacities of the specimens were found to steadily risewith the increased in volumetric ratio of confinement; the optimum volumetric ratio ofconfinement for maximum energy dissipation capacity (274%) is 4 layers. Besides, it wasshown that with the increased in volumetric ratio of confinement, the mode of failuretransitions from brittle-shear to flexural-shear; and then finally to ductile-flexural failure. Ingeneral terms, as for the retrofitted RC joint specimens, the main governing parametersbehind their enhanced seismic performance are their ductility and energy dissipation capacity.
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|a Being a project report submitted to INTI International University as a requirements for Bachelor Of Engineering (Hons) in Civil Engineering January 2018 under the managment and supervision of Faculty of Engineering & Quantity Surveying, INTI International University
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|a Dissertations, academic --
|x Engineering
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|a Civil Engineering
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|a BCEGI
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|u http://intilib.intimal.edu.my/equip-intin/custom/home.jsp
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