Mix Design

DETERMINATION OF DEGREE OF COMPACTION OF BITUMINOUS PAVEMENTS

STANDARD AASHTO Designation: T 230-68 (1974). OBJECTIVE To determine the degree of pavement compaction of bituminous aggregate mixtures by coring with diamond bit core drill as related to standard specimens compacted of the same materials. APPARATUS Diamond bit core drill machine Rigid plate or suitable container is larger enough to hold the sample without distortion …

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DETERMINATION OF ASPHALT MIX PROPERTIES

 STANDARD MS-4 1989, ASTM D 1559 and AASHTO Designation: T 166 —78. OBJECTIVE To determine the properties of asphalt mix such as density, voids, stability, and flow. APPARATUS  Marshal Testing Machine Compaction pedestal consisting of a 200x460x460mm wooden post capped with a 305x305x25mm steel plate. Compaction mould consisting of a base plate, forming mould and …

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DETERMINATION OF BINDER CONTENT FOR ASPHALT MIX

STANDARD IRC: SP 11—1988 (Appendix -5), ASTM ID 2172. OBJECTIVE  To determine the binder content in the asphalt mix by cold solvent extraction APPARATUS Centrifuge Balance of capacity 500 gram and sensitivity 0.Olgrams. Thermostatically controlled oven with capacity up to 250°C.  Beaker for collecting extracted material. PROCEDURE Take exactly 500 grams of representative sample and …

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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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