Objective For determination of particle size distribution of fine, coarse and all-in-aggregates by sieving. Reference standard IS : 2720 (Part 4) – 1985 – Method of test for soil (Part 4-Grain size analysis) Equipment & Apparatus: Balance Sieves Sieve shaker Preparation sample After receiving the soil sample it is dried in air or in oven (maintained … Read more
Objective For determination of specific gravity of soil solids by pycnometer method. Reference Standard IS : 2720 (Part 4) – 1985 – Method of test for soil (Part 4-Grain size analysis) Equipment & Apparatus Pycnometer Sieve(4.75 mm) Vaccum pump Oven Weighing balance Glass rod Preparation sample After receiving the soil sample it is dried in … Read more
Objective For determination of the moisture content of soil by oven drying method. Equipment’s & Accessories Oven (1050C to 1100C min.) Metal container Balance (0.01 g accuracy) Procedure The number of the container is recorded, cleaned, dried and weighed.(W1) About 15-30 g of soil is placed in the container and the weight of soil with the … Read more
Objective For determination of specific gravity of timber. Reference Standards IS : 1708 (Part 2)-1986 Equipment & Apparatus Balance(0-10kg) Oven(3000C) Preparation of sample The dimension of sample to be tested is 6 cm in length and 2 x 2 cm in cross-section or 15 cm in length and 5 x 5 cm in cross-section. Procedure … Read more
Objective For determination of moisture content of timber. Reference Standards IS : 1708 (Part 1)-1986 Equipment & Apparatus Balance(0-10 kg) Oven (3000c) Preparation of sample: The dimension of sample to be tested is 2.5 cm in length and 2 x 2 cm or 5 x 5 cm in cross-section. Procedure The sample is weighed (W1) … Read more
Objective For determination of softening point of a given bitumen. Reference Standards IS : 1205-1978-Indian standard methods for testing tar and bituminious materials (Determination of softening point) Equipment & Apparatus Ring and Ball apparatus, Steel balls Brass rings Ball guide Support Thermometer Bath with stirrer Procedure Sample material is heated to a temperature between … Read more
Objective For determination of ductility of distillation residue a given bitumen. Reference Standard IS : 1208-1978- Indian standard methods for testing tar and bituminous materials (Determination of ductility) Equipment & Apparatus Briquette mould, Ductility machine with water bath and a pulling device A putty knife Thermometer Procedure The bitumen sample is maintained to a pouring … Read more
Objective To determinate the penetration of bitumen. Reference Standard IS : 1203-1978-Indian standard methods for testing tar and bituminious materials (Determination of penetration) Equipment & Apparatus Container Needle Stop watch Water bath Penetration apparatus Thermometer Procedure The bitumen is softened to a paving consistency between 750 C and 1000C above the approximate temp … 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