formats

Road Aggregates

Aggregates form the major portion of the pavement structure Bear stresses occurring on the roads and have to resist wear due to abrasive action of traffic Used in flexible as

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formats

Loss on Heating Test for Bitumen

When the bitumen is heated it loses the volatility and gets hardened. About 50gm of the sample is weighed and heated to a temperature of 163 °C for 5hours in

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formats

Flash and Fire Point Test

At high temperatures depending upon the grades of bitumen, materials leave out volatiles These volatiles catch fire which is very hazardous and therefore it is essential to qualify this temperature

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formats

Viscosity Test of Bitumen

Viscosity denotes the fluid property of bituminous material and it is a measure of resistance to flow At the application temperature, this characteristic greatly influences the strength of resulting paving

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formats

Softening Point Test of Bitumen

Softening point denotes the temperature at which the bitumen attains a particular degree of softening under the specifications of test.  The test is conducted by using Ring and Ball apparatus.

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