ASTM D-1883

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1)

  1. Soaking time Or Place the Specimen in the Water Hours and then the specimen is allowed to drain downward for at least………

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2)

  1. Machine Loading rate is

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3)

  1. Dail Gauge or the Deformation machine used should be capable of reading

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4)

  1. Surcharge load applied on the sample during Soaking and it is

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5)

  1. If material is retained on the ¾ in (19-mm) sieve, the material retained on the ¾ in.(19-mm) sieve shall be removed and replaced by an equal mass of material passing the…… sieve and retained on the…….sieve obtained by separation from portions of the sample not used for testing.

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6)

  1. Expansion measuring apparatus shall not weigh more than………

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7)

  1. Base Plate having………Holes

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8) 11.As per ASTM D1883 where the CBR is desired at Optimum water content and some percentage of dry density unit weight……..specimens from the soil shell be prepared for Compaction

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9)

  1. If all material passes a…….sieve, the entire gradation shall be used for preparing specimen for compaction without modification

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10)

  1. If the CBR for soil at 95% of maximum dry unit weight is desired, specimens compated using………..and………blows per layer is satisfactory

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11)

  1. The CBR is expressed as the ratio of the unit load on the piston required to penetrate……….and………of the test material to the unit load required to penetrate a standard material of well-graded crushed stone.

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