Mix Design

SLUMP TEST

STANDARD IS:1199–1959. OBJECTIVE  To determine the workability of concrete APPARATUS  Mould for the test shall be in the form of the frustum of a cone having the following internal dimensions bottom diameter-20 cms, top diameter-l0 cms, height-30 cms. The mould shall be made of metal (Brass or Aluminum shall not be used) of at least …

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DETERMINATION OF WATER CONTENT (DEAN AND STARK METHOD)

STANDARD IS: 1211-1978 OBJECTIVE  To determine the water content of asphalt bitumen and fluxed nature asphalt, Crude coal tar, Road tar, Cut back bitumen, Digboi type cutback bitumen and creosote and anthracene oil. APPARATUS Flask of 500ml capacity made of heat resistant glass well annealed and as free as possible from striac and similar defects. …

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DETERMINATION OF FLASH POINT FOR CUT BACK BITUMEN

STANDARD IS:1209—1978(4) DEFINITION Flash Point The flashpoint of a material is the lowest temperature at which the application of test flame causes the vapours from the material momentarily catch fife in the form of a flash under specified conditions of the test, APPARATUS  Pensky Martens Closed Tester consisting of a cup, lid, stirring device cover …

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Determination Of Grain Size Analysis (Hydrometer Method)

STANDARD IS: 2720 (Part 4) 1985. OBJECTIVE To determine the grain size analysis of soils by sedimentation method. APPARATUS Glass measuring cylinders 2 nos of 1000 ml capacity with ground glass or rubber stoppers about 7cms diameter and 33 cms high marked at l 000 ml volume. Thermometer capable of reading temperature up to 90°C …

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