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Structural masonry in India, especially when bricks are used as masonry units, is substantially different from brick masonry in the west. This is due to the rather low strength of bricks here. The properties of bricks vary widely from region to region and the elastic modulus of the mortar is often more than that of the brick. This book attempts to address this situation by studying the load carrying capacity of such brick masonry. The newly emerging masonry units like concrete blocks, hollow clay blocks and stabilized mud blocks are also examined for use in masonry walls. The design of walls subjected to axial or eccentric compression is also discussed with sample calculations for masonry buildings going up to 4 or 5 storeys. The strength of masonry in shear and flexure is also studied. The effect of earthquakes on masonry buildings is studied and the design approaches for earthquake-resistant masonry are discussed.