UHPFRC versus RC jackets for the seismic upgrade of columns

Lampropoulos, Andreas, Paschalis, Spyridon and Dritsos, Stephanos (2015) UHPFRC versus RC jackets for the seismic upgrade of columns. In: IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, 23-25 Sep 2015, Geneva, Switzerland.

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Abstract

Strengthening Reinforced Concrete (RC) columns using jackets is a common technique used for the seismic upgrade of existing structures. In this study the effectiveness of traditional RC jacketing techniques is compared with the use of Ultra High Performance Fibre Reinforced Concrete (UHPFRC) for the seismic upgrade of existing elements. Numerical models have been developed using ATENA Finite Element Analysis (FEA) and a parametric study has been conducted taking into account normal concrete to UHPFRC interface, and the differential shrinkage effect. The results of the parametric study indicate that the use of UHPFRC can considerably improve the strength and the stiffness of existing reinforced concrete columns.

Item Type: Conference or Workshop Item (Paper)
Identifier: 10.2749/222137815818359230
Page Range: pp. 1773-1780
Uncontrolled Keywords: ultra-high performance concrete, reinforced concrete, columns, shrinkage, Jackets
Subjects: Construction and engineering
Related URLs:
Depositing User: Spyridon Paschalis
Date Deposited: 19 Aug 2021 09:07
Last Modified: 15 Sep 2021 15:22
URI: http://repository.uwl.ac.uk/id/eprint/8180

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