What is Efflorescence? The term ‘efflorescence’ is used to describe the depositing of soluble salts (in other words, those that dissolve in water) on the surface of finished brickwork. Salts of magnesium, calcium, potassium or sodium may have been present in the clay used to make the bricks or in the sand used to make … Read more
Brick Manufacturing process Bricks are among the oldest and most enduring of mankind’s building materials. Bricks are made by shaping a plastic mass of clay and water, which is then hardened by drying and firing. Until comparatively recent times the clay was dug, the bricks were made and the kilns set or drawn by manual … Read more
Reference IS 3952-1988 – Specification for burnt clay hollow bricks for walls and partitions. General Quality o Bricks shall be free from cracks and flaws and nodules of free lime. o Bricks shall have smooth rectangular faces with sharp corners o Bricks shall be of uniform in colour and texture. o Bricks shall be free … Read more
Bricks are extensively used as building material in most of the construction work. The quality of a structure or building is therefore dependent upon the quality of bricks used there in. We cannot test each and every brick to inspect its quality as it is impractical. That is why a sampling method or procedure must … Read more
General Quality Bricks shall be free from cracks and flaws and nodules of free lime. Bricks shall have smooth rectangular faces with sharp corners Bricks shall be of uniform in colour and texture. Bricks shall be manufactured either by extrusion or by pressing. Two bricks when struck together shall emit a clear metallic ring sound. … Read more
General Quality Bricks shall be free from cracks and flaws and nodules of free lime. Bricks shall have smooth rectangular faces with sharp corners Bricks shall be of uniform in colour and texture. Bricks shall be mechanically shaped and not hand moulded. Bricks shall not be provided with frogs. Dimensional Specification Length (L), mm Width … Read more
General Quality Bricks shall be free from cracks and flaws and nodules of free lime. Bricks shall have smooth rectangular faces with sharp corners Bricks shall be uniform in colour The proportion of soil and fly ash shall be as per IS-2117-1991. Fly ash used to manufacture of bricks shall conform to grade 1 or … Read more
General Quality Bricks shall be free from cracks and flaws and nodules of free lime. Bricks shall have smooth rectangular faces with sharp corners Bricks shall be of uniform in colour and texture. The area of perforation shall be in between 30% to 45% of the total area of the corresponding face of the bricks. … Read more
General Quality Bricks shall be free from cracks and flaws and nodules of free lime. Bricks shall have smooth rectangular faces with sharp corners. Bricks shall be uniform in colour. Frog size of a hand moulded brick having height of 90 mm or 70 mm shall be as per the figure shown below. Dimensional … Read more
Bricks which are used in construction works are burnt bricks. They are classified into 4 categories on the basis of its manufacturing and preparation, as given below. First class bricks Second class bricks Third class bricks Fourth class bricks 1. First Class Bricks These bricks are table moulded and of standard shape and they are … Read more