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Title: Retro-installation of bed joint reinforcement in masonry

Ref Code: GG62
Authors: R C de Vekey

Abstract1: Installing bed joint reinforcement into existing walls, 'retro-reinforcement', enables repair of cracks, sagging lintels and flat arches, developing arches or cantilevers within a wall to span over subsidence, increasing the flexural strength and shear resistance of walls to combat wind and seismic loading, and reconnecting cracked or parted buttresses. This guide tabulates the cross-sectional area and tensile strength of typical bars, and grout properties. Performance for steel and epoxy-glass fibre reinforcements are given. Where subsidence of foundations causes cracking of masonry, remedial reinforcement, combined with new piles, can be cheaper and less invasive than massive underpinning works. Illustrations show typical problems and solutions.



Year Published: 2004

ISBN: 978-1-86081-724-3


Pages: 8


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