| Summary: | 碩士 === 國立臺灣科技大學 === 營建工程系 === 91 === This report provides the experimental and analytical studies on the characteristics of the nonductile reinforced concrete frames and the load deffection relationship of the frames containing walls with openings. Twelve specimens were tested under simulated seismic actions. Test program consisted of three pure RC frame specimens, one nonductile frame infilled with 12cm RC wall, two nonductile frames infilled with brick walls, and six nonductile frames infilled with RC walls with openings.
Experimental observations and theoretical analyses indicate that the failure of the RC nonductile frames are dominated by the shear and splice mechanisms, which lack of ductility. The strength of nonductile frames can be increased by the infilled walls (RC of brick), but the lap splices at the column base are harmful to the seismic capacity. The openings create the weak portions in the web which are failed due to shear. Experimental results indicate that the wing walls are effective in enhancing strength. The load-deflection curves of the test specimens can be reasonably predicted by the softened strut-and-tie model.
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