Table 9 Salt rock fill compaction... | Emerald Publishing

Table 9

Salt rock fill compaction quality acceptance indices for Grade III and IV highways

Structure of subgrade	Asphalt pavement		Salt rock pavement
Structure of subgrade	Compaction ratio	Deflection (0.01 mm)	Compaction ratio
Subgrade surface	N/A	≤ Acceptance value	N/A
Top layer of roadbed	≥0.95	N/A	≥0.94
Bottom layer of roadbed	≥0.95	N/A	≥0.94
Top layer of embankment	≥0.94	N/A	≥0.93
Bottom layer of embankment	≥0.93	N/A	≥0.90

Structure of subgrade	Asphalt pavement		Salt rock pavement
Structure of subgrade	Compaction ratio	Deflection (0.01 mm)	Compaction ratio
Subgrade surface	N/A	≤ Acceptance value	N/A
Top layer of roadbed	≥0.95	N/A	≥0.94
Bottom layer of roadbed	≥0.95	N/A	≥0.94
Top layer of embankment	≥0.94	N/A	≥0.93
Bottom layer of embankment	≥0.93	N/A	≥0.90

Source(s): Authors’ own work