Bed joint reinforcement and the load bearing capacity of masonry beams

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Abstract

The design of reinforcement in masonry beams is straight forward. A few, relatively small diameter bars in one or two bottom layers is often sufficient to form a tie while in the masonry compressive struts develop. In the layers further away from the tensile area, often reinforcement is applied with the idea that this decreases the risk of crack development and might increase shear capacity. Masonry beams with a height of 490 mm, 550 mm or 625 mm and a span of 1350 mm, with and without extra bed joint reinforcement were tested. In a number of cases, bed joint reinforcement with a closed hoop configuration was applied. The results of these tests are presented and the effect of the extra reinforcement on load bearing capacity discussed. Extra reinforcement did not always increase shear capacity; on the contrary, the capacity was sometimes smaller because the extra reinforcement affected the capacity of the compression struts negatively.

Original languageEnglish
Title of host publicationBrick and Block Masonry
Subtitle of host publicationTrends, Innovations and Challenges - Proceedings of the 16th International Brick and Block Masonry Conference, IBMAC 2016
EditorsC. Modena, F. da Porto, M.R. Valluzzi
PublisherCRC Press/Balkema
Pages2353-2360
Number of pages8
ISBN (Print)9781138029996
Publication statusPublished - 1 Jan 2016
Event16th International Brick and Block Masonry Conference, IBMAC 2016 - Padova, Italy
Duration: 26 Jun 201630 Jun 2016

Conference

Conference16th International Brick and Block Masonry Conference, IBMAC 2016
CountryItaly
CityPadova
Period26/06/1630/06/16

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