Hand mixing is adopted for small works and where the quantity of concrete used is small. The following procedure is followed to mix concrete by hand. Procedure Construct a platform of bricks, lean concrete or iron sheets of a size as per requirement of the volume of concrete to be mixed. Spread out the measured … Read more
Why additives used? Additives are used to improve some properties of clay mass, such as Shaping characteristics Drying behavior Firing behavior More than that, some of the additives help in conservation of agricultural land and utilization of waste materials. And remember, additives must contain certain physical and chemical characteristics so that it does not adversely … Read more
Civil engineering structures are of many types, such as road, buildings, bridge etc. The type of building material to use in a civil engineering structure is dependent upon many factors, such as it life time, purpose, loads it must carry, environmental condition it is exposed to etc. Therefore different types of brick are manufactured in … 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
There are mainly two methods to determine the parameters of the soil for brick making: Practical field low cost methods and complex laboratory analysis. Low cost field methods test for the soil are mainly performed to obtain a first impression of its properties to produce good quality bricks. For confirmative tests it is always recommended … Read more