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Title: Bond strength in masonry construction

Author(s): Cement Concrete & Aggregates Australia

Publication: CCAA



Appears on pages(s): 7 pages

Keywords: bond strength, masonry unit, cement content, mix proportion


Date: 5/1/2001

The importance of bond strength; the basics of its development and the main factors which affect it based on Australian research are discussed. Practical guidelines are given on ways to ensure that adequate bond strength is achieved on site. The term brick is used in this publication to refer to all types of masonry units including concrete; calcium silicate and clay units manufactured as either bricks or blocks. The research carried out by staff from the University of Newcastle and the CSIRO showed that the mix proportions as given in AS3700 Table 10.1 for the generic types of masonry units will achieve the implicit bond strength of 0.20 MPa in that standard. Also increasing the cement content of the mortar mix will produce a higher bond strength and the use of mixes incorporating lime is beneficial.

Cement Concrete & Aggregates Australia, International Partner Access

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