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Strength:
The strength of aggregates is determined from one of the three tests :
Aggregate Impact Test
In which the aggregates in a mould are subjected to impact caused by dropping a hammer giving 15 blows, and finding the percentage of crushed material, known as the Aggregate Impact Value. For base courses, a limit of 40 per cent is specified and for surfacing courses, a limit of 30 per cent is specified. Figure gives the arrangement of the testing apparatus.
(All dimensions are in millimetres)
Figure: An Aggregate Impact Test equipment
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Need this assignment due in 10 hours
The transmission main from the well field to the community is 2500 ft, the velocity of flow at peak pumping capacity is 3.5 fps, water temperature is 10oC, and pH is 7.5. If free c
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