Monday, September 21, 2015

DEFECTS IN BRICKS


Common defects in brick work and cement mortar Raw materials like brick, sand, cement and water are of sub standard quality without qualifying any test. Bricks are not soaked in water properly. The joints in brick works are thicker, unfilled properly. Raking of mortar is not done when the mortar is green. Bricks bats are used in masonry work. Mortar is not mixed properly on platform. There is improper mixing of cement mortar There is excessive water content in mortar Brick work is not in plumb, level and straight line. Mortar is not according to the structural requirements. There are gaps between door/window frame and masonry. The holes of scaffolding are not filled in with mortar properly. Vertical joints in brick work are hollow. There is high suction of brick and less water retention of mortar There are uneven joints in brick works There are voids in vertical joints There are disturbances of brick works just after the layout Over thick joints reducing the strength of brick work.

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