Characterisation of flexural bond strength in thin bed concrete masonry

Thamboo, Julian Ajith, Dhanasekar, Manicka, & Yan, Cheng (2012) Characterisation of flexural bond strength in thin bed concrete masonry. In Roman, Humberto Ramos & Parsekian, Guilherme Aris (Eds.) 15th International Brick and Block Masonry Conference (Abstract), Federal University of Sao Carlos and Federal University of Santa Catarina, Costão do Santinho Resort, Florianopolis, Brazil.

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Abstract

This paper presents an experimental investigation of the flexural bond strength of thin bed concrete masonry. Flexural bond strength of masonry depends upon the mortar type, the techniques of dispersion of mortar and the surface texture (roughness) of concrete blocks. There exists an abundance of literature on the conventional masonry bond containing 10mm thick mortar; however, the 2mm polymer flue mortar bond is not yet well researched. This paper reports a study on the examination of the effect of mortar compositions, dispersion methods and unit surface textures to the flexural bond strength of thin bed concrete masonry. Three types of polymer modified glue mortars, three surface textures and four techniques of mortar dispersion have been used in preparing 108 four point flexural test specimens. All mortar joints have been carefully prepared to ensure achievement of 2mm layer polymer mortar thickness on average. The results exhibit the flexural bond strength of thin bed concrete masonry much is higher than that of the conventional masonry; moreover the unit surface texture and the mortar dispersion methods are found to have significant influence on the flexural bond strength.

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ID Code: 53011
Item Type: Conference Paper
Keywords: Thin Bed Concrete Masonry, Flexural Bond Strength, Polymer Modified Mortar, Surface Texture, Concrete Block
ISBN: 9788563273109
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Funding:
Copyright Owner: Copyright 2012 Federal University of Sao Carlos and Federal University of Santa Catarina
Deposited On: 30 Aug 2012 22:15
Last Modified: 18 Jun 2015 08:55

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