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

TAŞLIGEDİK A. Ş., Akguzel U., Kam W. Y., Pampanin S.

JOURNAL OF EARTHQUAKE ENGINEERING, vol.22, no.3, pp.454-487, 2018 (SCI-Expanded, Scopus) identifier identifier

  • Publication Type: Article / Article
  • Volume: 22 Issue: 3
  • Publication Date: 2018
  • Doi Number: 10.1080/13632469.2016.1233916
  • Journal Name: JOURNAL OF EARTHQUAKE ENGINEERING
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.454-487
  • Keywords: Hierarchy of Strength, Reinforced Concrete, Beam-Column Joint, Pre-1970s, Capacity Design, Seismic Performance
  • Middle East Technical University Northern Cyprus Campus Affiliated: No

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.