Experimental study of connection between floor system and lateral force resisting system

G. Tsampras, R. Sause, R. Fleischman, J. Restrepo, Z. Zhang, U. Shakya, D. Zhang, J. Maffei, D. Mar

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents results from the experimental study a full-scale deformable connection used to connect the floor system of the gravity load resisting system with the lateral force resisting system (LFRS) of an earthquake-resistant building. Two configurations of the connection are studied. The first configuration consists of a buckling restrained brace (BRB) and steel-reinforced low damping laminated rubber bearings (RB), denoted as BRB+RB. The second configuration of the connection consists of a friction device (FD) and carbon fiber-reinforced low damping laminated rubber bearings (RB), denoted as FD+RB. The connections have stable, repeatable, and well-defined hysteretic nonlinear force-deformation responses that can limit the earthquake-induced horizontal inertial forces transferred from the floor systems to the LFRS. The BRB+RB post-elastic response is mainly controlled by the yielding force of the BRB, the isotropic hardening of the BRB, the dynamic effects on the BRB force-deformation response, and the RB force-deformation response. The FD+RB post-elastic response is controlled by the FD friction force, the effects of the sliding history on the FD friction force, and the RB force-deformation response. The BRB+RB has smaller elastic stiffness than the FD+RB. The steel-reinforced rubber bearings and the carbon fiberreinforced bearings have approximately linear-elastic force-deformation response. The post-elastic stiffness of the BRB+RB and the FD+RB is mainly determined by the RB stiffness.

Original languageEnglish
Title of host publication11th National Conference on Earthquake Engineering 2018, NCEE 2018
Subtitle of host publicationIntegrating Science, Engineering, and Policy
PublisherEarthquake Engineering Research Institute
Pages7888-7897
Number of pages10
ISBN (Electronic)9781510873254
Publication statusPublished - Jan 1 2018
Event11th National Conference on Earthquake Engineering 2018: Integrating Science, Engineering, and Policy, NCEE 2018 - Los Angeles, United States
Duration: Jun 25 2018Jun 29 2018

Publication series

Name11th National Conference on Earthquake Engineering 2018, NCEE 2018: Integrating Science, Engineering, and Policy
Volume12

Conference

Conference11th National Conference on Earthquake Engineering 2018: Integrating Science, Engineering, and Policy, NCEE 2018
CountryUnited States
CityLos Angeles
Period6/25/186/29/18

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology

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