Civil Engineering MCQAE Level Civil Engineering
In Standard Proctor compaction test, the compaction energy per unit volume used is:
Soil MechanicsCompaction TestMEDIUM
Choose the correct answer
A
593 kJ/m³
B
604 kJ/m³
C
2674 kJ/m³
D
1200 kJ/m³
Correct Answer
B. 604 kJ/m³
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Standard Proctor compaction energy = 605 kJ/m³ (approximately). This is derived from: 3 layers × 25 blows × 2.5 kg rammer × 300 mm drop / 944 cc (cylinder volume). Modified Proctor uses 2674 kJ/m³.
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