Experimental and analytical studies of strengthening using drilled-in bonded shear reinforcement

Authors: Fiset, MathieuBastien, Josée; Mitchell, Denis
Abstract: In order to study means of improving the behaviour of thick slabs without shear reinforcement a series of large-scale beams representing thick slabs was constructed and tested. Companion specimens were strengthened using drilled-in reinforcing bars to study the effectiveness of this repair technique. The behaviour of these beams, before and after strengthening, is compared. An additional experimental program using pull-out specimens enabled a study of the bond characteristics of drilled-in reinforcement having different embedment lengths. An analytical model to predict the bond-stress versus slip relationship enabled the development of a method for predicting the influence of the added shear reinforcement in improving the shear strength. These predictions are compared with the experimental results and provide a practical means of assessing the influence of post-installed shear reinforcement.
Document Type: Article dans une conférence
Issue Date: 9 July 2014
Open Access Date: 11 October 2017
Document version: AM
Permalink: http://hdl.handle.net/20.500.11794/15582
This document was published in: Structural Faults & Repair 2014 : 15th European Bridge Conference, Concrete, Materials & Conservation-2014
Edinburgh : Engineering Technics Press
Collection:Autres articles publiés

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