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Testing of Aggregates:
For use in pavement, road aggregates have to be strong, durable and of good shape. A well-graded aggregates adds to the stability of the layer. The following tests are commonly conducted on aggregates to determine their suitability for road construction :
(a) Particle size distribution (gradation)
(b) Presence of deleterious material
(c) Specified gravity and water absorption
(d) Strength
(e) Shape
(f) Stripping
(g) Soundness test
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What are the various methods of recording measurements? List five items each for various methods of recoding measurements?
types of concrete and its uses
A square pile group of 9 piles of 25 cm diameter is arranged with a pile spacing of 1m. The length of the piles is 9 m. Unit cohesion of the clay is 75 kN/m 2 . Neglecting beari
interplanar spacing
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A sample in a variable head permeameter is 8 cm in diameter and 10 cm high. The permeability of the sample is estimated to be 10 × 10 -4 cm/s. If it is desired that the head in th
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