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Structural Performance of Shear Deficient Beams with High Performance Reinforced Concrete Jacket

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posted on 2023-06-19, 18:17 authored by Rehman Rana

This research investigates the performance of shear deficient concrete beams strengthened with reinforced jackets made of three different high performance concretes (HPCs) namely engineered cementitious composite (ECC), ultrahigh performance concrete (UHPC) and normal self-consolidating concrete (SCC) subjected to static monotonic and fatigue loading[.] The influence of HPC jackets is described based on strength, stiffness, energy absorbing capacity, steel/concrete strain developments and failure modes. Shear deficient beams with UHPC jacket showed highest strength, energy absorption capacity and ductility followed by those with ECC and SCC jackets. Shear deficient beams with UHPC jacket exhibited flexural failure. ECC jacketed beams subjected to fatigue loading exhibited lower stiffness, energy absorption capacity and strength degradation compared to their UHPC counterparts. This research confirms the viability of using ECC and UHPC as repair materials for the structural components.

History

Language

English

Degree

  • Master of Applied Science

Program

  • Civil Engineering

Granting Institution

Ryerson University

LAC Thesis Type

  • Thesis

Thesis Advisor

Dr. Anwar Hossain

Year

2020

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    Civil Engineering (Theses)

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