Coursed Rubble Masonry
Coursed Rubble Masonry
Coursed Rubble Masonry is the form of masonry which is commonly adopted in the construction of residential buildings public buildings, piers and...
Random Rubble Masonry
Random Rubble Masonry
Random Rubble Masonry is slightly superior to uncoursed rubble masonry. In this form the stones used in the work are hammer or...
Uncoursed Rubble Masonry
Uncoursed Rubble Masonry
Uncoursed Rubble Masonry is the poorest form of stone masonry. The stones to be used for the work are directly obtained from...
IRS-T 40 Special Grade Cement
IRS-T 40 Special Grade Cement
The IRS-T 40 Cement is a special type of cement which is mainly used in railway works only. This special...
Plaster of Paris
Plaster of Paris
Plaster of Paris is calcined gypsum. Mixed with ordinary lime it is used for repairing holes and cracks in wooden or plastered...
Tests for Strength of Lime Mortars
Tests for Strength of Lime Mortars
Two bricks are joined flat in a cross fashion one over the other with 12 mm mortar joint. Bricks...
Lime Mortars
Lime Mortars
Lime mortars require grinding to slake the unslaked particles and to make an intimate mixture of the materials. Lime/surkhi mortars are ground in...
Shell Lime
Shell Lime
Shell lime freshly slaked is used for polished plaster and white washing. It comes under the catagory of ‘fat limes’.
Poor Lime (or) Lean Lime
Poor Lime (or) Lean Lime
Poor lime also called Meagre or Lean lime, contains from 10 to 40 per cent impurities insoluble in acids such...
Burning of Lime
Burning of Lime
Limestone is burnt in clamps or kilns. Fuel used is generally, coal-dust or fire-wood. Cowdung or litter should not be used with...