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Solubility:
Bitumen is soluble in carbon disulphide (CS2). The Indian specifications require that the bitumen should have 99 per cent solubility. Lesser value indicates presence of mineral matter in bitumen and can affect the properties of bitumen.
IS Requirement for Bitumen
Some of the important properties required by IS for the various grades of bitumen are given in Table.
Table: Requirements for different Paving Grades of Bitumen
Modified Bitumen
The properties of bitumen cab be enhanced by the addition of a polymer or crumb rubber or natural rubber. Polymer Modified Bitumen (PMB) is increasingly being used for roads carrying heavy traffic.
Maintenance of bituminous roads
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Sir explain me rate analysis
Question If concrete compression test not pass, So Schmidt hammer test will be adopted as an alternative test to confirm concrete strength ? Answer Schmidt hammer test is
short note
what is linear water way
Projection line is the way, in which the earth is made known on a flat piece of paper.
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