Tag Archive for Tag: Lime

Tag: Lime Limes

These are made principally of calcium oxide (CaO), occurring naturally in limestone, marble, chalk, coral, and shell. For building purposes, they are used chiefly in mortars. Hydraulic Limes These are made by calcining a limestone containing silica and alumina to a temperature short of incipient fusion so as to form sufficient free lime to permit hydration and at the same time leave unhydrated sufficient

View Article...

Tag: Lime Plastering

Applying mortar coats on the surfaces of walls, columns, ceiling etc. to get smooth finish is termed as plastering. Mortar used for plastering may be lime mortar, cement mortar or lime-cement mortar. Lime mortar used shall have fat lime to sand ratio of 1 : 3 or 1 : 4. If hydraulic lime is used mix proportion (lime: sand) is 1 : 2.

View Article...

Tag: Lime Uses of Lime

The following are the uses of lime in civil works: (i) For white washing. (ii) For making mortar for masonry works and plastering. (iii) To produce lime sand bricks. (iv) For soil stabilization. (v) As a refractory material for lining open hearth furnaces. (vi) For making cement.

View Article...

Tag: Lime Tests on Limestones

The following practical tests are made on limestones to determine their suitability: (i) Physical tests (ii) Heat test (iii) Chemical test (iv) Ball test. (i) Physical Test: Pure limestone is white in colour. Hydraulic limestones are bluish grey, brown or are having dark colours. The hydraulic lime gives out earthy smell. They are having clayey taste. The presence of lumps give indication

View Article...