Types of Limes Different types of limes are used for building construction. It is not generally found in the free state. Lime is a product which is obtained by burning lime stone, a raw material, found in lime stone hills or lime stone boulders in the beds of old river, kankar found below ground level, … Read more
Popping and Pitting Test of Lime Objective To determine popping and pitting of lime sample as per IS-6932-part-10 Theory This test is a measure to study the unsoundness of building limes. Popping, pitting and blowing are due to the presence of coarse unslaked or only partially slaked particles. On final slaking, these cause dislodgement of … Read more
Lime Reactivity Test Purpose This method of test covers the procedure for determining the reactivity of the pozzolanic material (such as fly ash) with hydrated lime, as represented by compressive strength of standard mortar test cubes prepared and tested under specific conditions. Size and Number of Test Specimens The tests specimen shall be 50 mm … Read more
Test to Check Total Calcium Oxide in Lime Purpose The lime should have a purity of at least 70% by weight of CaO when tested as follows: Procedure Take one gram of powdered lime, accurately weighed, in a platinum crucible. Place it in an oven maintained at 105 + 20C until, on cooling and weighing, … Read more
Objective For determination compressive strength of building lime. Reference Standards IS: 6932(Part VII)-Method of tests for Building Limes (Determination of compressive and transverse strengths). Equipment & Apparatus Oven (3000C) Compression testing machine Test Sample Preparation 500 gm of lime is mixed with 60 to 65 % of water for 5 minutes and then the resulting … Read more
Objective For determination of soundness of Build lime by Le-chatelier method Reference Standards IS : 6932(Part IX)-1973-Method of tests for Building Lime (Determination of soundness). Equipment & Apparatus Le-Chatelier apparatus Steam boiler Preparation of sample A suitable amount of hydrated lime is mixed with on third its mass of Portland cement and 4 times its … Read more
Objective For determination of setting time of hydrated lime. Reference Standards IS: 6932(Part 11)-1983-Method of tests for Building Lime (Determination of setting time of hydrated lime) Equipment & Apparatus Balance Burette (50 ml) Enamel tray Vicat apparatus Preparation of sample Lime putty is prepared by thoroughly mixing the 500 gm hydrated lime with an equal … Read more
Objective For determination of Consistency of hydrated lime. Reference Standards IS: 6932(Part 8)-1973-Method of tests for Building Lime (Determination of Consistency of hydrated lime) Equipment & Apparatus Balance Burette (50 ml) Enamel tray Flow table Preparation of sample Lime putty is prepared by thoroughly mixing the 500 gm hydrated lime with an equal mass of … Read more
Objective Determination of Fineness of Building Lime by Dry sieving. Reference Standards IS: 6932(Part IV)-1973-(Methods of tests for Building Lime (Determination of Fineness of Hydrated Lime) Equipment & Apparatus Sieves Oven Balance Preparation sample Test sample is dried in oven for a period of four hours at a temperature of 1000to 1100C. Procedure Sieves specified … Read more