Methods of testing soils for engineering purposes, Method 5.7.1: Soil compaction and density tests - Compaction control test - Hilf density ratio and Hilf moisture variation (rapid method)
Methods of testing soils for engineering purposes, Method 5.7.1: Soil compaction and density tests - Compaction control test - Hilf density ratio and Hilf moisture variation (rapid method)
Methods of testing soil for engineering purposes - Part E - Soil compaction and density tests - Compaction control test - Hilf density ratio - Rapid method