![]() ![]() This bricks are over burnt and badly disorted in shape and size and come in the reddish black colour ,these bricks are used for filling of ground area for floor. * uses of 3rd class bricks :- it should be used for temporary masonry structure. ◆these have rough surface of a regular size ◆ it has higher water absorption capacity about 20 to 25% of its dry weight when it is immersed in water for 24 hour ◆ it produce dull sound when struck one against other these bricks are soft and red yellow coloured.◆these bricks are grounded moulded and burnt in clamps It should be used for unimportant hidden masonry work and centring of reinforced brickġ)what is concrete and its types and propertiesĢ) concrete quantity calculation for staircase and its formulaģ) how to calculate weight of mild steel plate and derive its formulaĤ) calculate quantity of cement Sand for brickwork of 10m3ĥ) cement calculation in tile work of hundred square foot areaĦ) weight calculation of Steel bar and its formulaħ) what is admixture of concrete and its types and its properties ◆and crushing strength is more and equal to 7 N/mm2 ◆and water absorption capacity is little higher than first class bricks it has about 18 to 20% of dry weight of bricks when immersed in water for 24 hour ◆these bricks is ground moulded and burnt in kilns or Chimney First class brick are used for brick wall What is properties of second class brick? It has all importance bricks work, it should be used for exposed face of masonry structure like flooring and reinforced brickwork. ![]() ![]() and crushing strength is about 10 N/mm2.and no impression should be left on the brick when scratched is made by our fingernail. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |