Mechanical Behaviour Of Masonry Made Of Flat Blocks And Thin Mortar Joints

Summary

Compressive and shear test results for masonry consisting of clay blocks with thin mortar joints are presented and compared with those for ordinary masonry.  Nowadays, the use  of flat blocks joined by thin mortar joints (1 to 3 mm thick) represents one of the more promising construction systems for loadbearing masonry walls.  The easier execution  in comparison with the traditional system allows a significant reduction of construction time and quantity of mortar, with very favourable consequences for the total costs.  Tests were carried out on masonry specimens to clarify the behaviour both under uniaxial or diagonal compressive and shear loads.  The main results are discussed, as well as the effectiveness of special mortars and different methods for the formation of thin joints.  It was shown that the new thin joint masonry system can attain about 40% higher compressive stresses and 180% higher shear strengths compared with ordinary masonry.  6 refs.

Primary author(s): Valluzzi M R; da Porto F; Modena C

                            Padua,University

Source: Masonry (9). Proc.6th Int.Masonry Conf.

            London,4-6 November 2002,p.503-511

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