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" Establishing Capacity and Demand Factors for Force-Controlled Components in a Rocking Spine System for Reinforced Concrete Frames with Infills Using a Reliability-Based Method "
Kusumayani, Ni Made Novia
Burton, Henry V.
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Latin Dissertation
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English
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| Record Number
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915276
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TL7d41b1qk
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| Main Entry
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Kusumayani, Ni Made Novia
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| Title & Author
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Establishing Capacity and Demand Factors for Force-Controlled Components in a Rocking Spine System for Reinforced Concrete Frames with Infills Using a Reliability-Based Method\ Kusumayani, Ni Made NoviaBurton, Henry V.
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UCLA
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| Date
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2017
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| student score
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2017
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| Abstract
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A reinforced concrete frame with rocking spine system is evaluated using reliability-index method with main objective of establishing the load and resistance factors for the force-controlled components. A nonlinear structural model of a six-bay six-story concrete frame building with stiff infill panels idealized as compression only struts was constructed in OpenSees. Spine-infills, spine-beams, and spine-columns, are considered as force-controlled components, while non-spine infills and adjacent beams are considered as deformation-controlled components. The model is evaluated with 44 ground motions through Incremental Dynamic Analysis (IDA) to determine the demands in the force-controlled components. The model was also evaluated through response spectrum analysis to define the system’s yield modification factor, , which is used along with hazard curve to obtain the reliability index of the system, . The capacity,,and demand,factors are calculated by defining the probability of demand surpassing capacity in 50 years equal to 0.05%, 0.1%, 0.2%, 0.5%, and 1%. The results show that the decreases as and increases. The capacity and demand factors of spine-infill struts, spine-beams, and spine-columns for 0.1% P(D>C)50 years are: ;; ; respectively.
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Burton, Henry V.
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UCLA
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