Strength hierarchy assessment is a method that can be utilized to identify the weakest structural element at a reinforced concrete (RC) beam-column joint. The method was extensively used in various research activities at the University of Canterbury, which mainly involved beam-column joint subassembly tests. However, this method required improvements and refinements in order to be adopted in multi-story building applications. In this paper, the improvements made to the method are reported. In the improved method, capacity of the weakest element at every beam-column joint in an RC frame building can be related to the corresponding global base shear demand. The method has been illustrated via two example applications: an RC frame lacking joint shear reinforcement and a modern RC frame with adequate joint shear reinforcement. The case study examples confirmed the accuracy and the effectiveness of the method.

Strength Hierarchy at Reinforced Concrete Beam-Column Joints and Global Capacity / Tasligedik, Ali Sahin; Akguzel, Umut; Kam, Weng Yuen; Pampanin, Stefano. - In: JOURNAL OF EARTHQUAKE ENGINEERING. - ISSN 1363-2469. - ELETTRONICO. - (2016), pp. 1-34. [10.1080/13632469.2016.1233916]

Strength Hierarchy at Reinforced Concrete Beam-Column Joints and Global Capacity

PAMPANIN, STEFANO
2016

Abstract

Strength hierarchy assessment is a method that can be utilized to identify the weakest structural element at a reinforced concrete (RC) beam-column joint. The method was extensively used in various research activities at the University of Canterbury, which mainly involved beam-column joint subassembly tests. However, this method required improvements and refinements in order to be adopted in multi-story building applications. In this paper, the improvements made to the method are reported. In the improved method, capacity of the weakest element at every beam-column joint in an RC frame building can be related to the corresponding global base shear demand. The method has been illustrated via two example applications: an RC frame lacking joint shear reinforcement and a modern RC frame with adequate joint shear reinforcement. The case study examples confirmed the accuracy and the effectiveness of the method.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/949880
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