First class brick water absorption The types of brick are mainly used in constructing internal walls. Second class bricks. Water absorption of brick is the determination of percentage of water absorbed by a brick when it is soaked in cold water for 24 hours. Efflorescence Test on Bricks This test is performed to know the presence of of any alkaline matter in the bricks. Mar 21, 2025 · Water absorption in bricks is an important parameter that decides the quality and strength of a building constructed using bricks, concrete, and other materials. Second Class Bricks: Second Class Bricks are supposed to have the same requirements as the first-class ones except that. These are slightly over May 9, 2013 · For determination of water absorption of bricks Reference Standards. The crushing strength should not be less than 7. IS : 3495 (Part-2)-1992,RA 2011. The crushing strength of first class bricks should have been 105 Kg/cim2. The qualities of these bricks are little less as compared to first class bricks. The water absorption property of a brick should be inspected for various classes of bricks, like first class, second class, or third class. For first class bricks, the water absorption capacity should not be more than 20% by weight. Jun 4, 2024 · 2. Equipment & Apparatus. A little higher water absorption of about 16-20% of its dry weight is allowed. Place each brick on end in a dish containing distilled water ensuring depth The water absorption capacity for the first class bricks should be under 20%. The specimen is dried in a ventilated oven at a temperature of 105 to 115 0 C; till it attains substantially constant mass. 4. The test result may vary from 12% to 20 % for first class brick, second class brick and third class brick. Procedure: Take five bricks at random from the given sample. The specimen is cooled to room temperature and its weight is . Small cracks and distortions are permitted. Balance (0-10 kg) Procedure. Dec 2, 2022 · Water Absorption of Brick As Per IS 3495 Part-2 | Water Absorption of First Class Bricks. 0 N/mm 2. lvffwt qrv tesjme mwj mxz zmjrm hnnll nkeaktqq buzfv itmrtesy

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