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Table 2 Results of CPT for the studied locations

From: An investigation into the cause of road failure along Sagamu-Papalanto highway southwestern Nigeria

Location CPT point 1 CPT point 2 CPT point 3 CPT point 4
Test Hole CPT 1 CPT 2 CPT3 CPT 4
Depth of Penetration (m) 2 6 16 12.5
Cone Resistance (kgf/cm2) 20 45 138 72
Undrained shear strength (Cu)KN/m2 10 7.50 8.63 5.76
Allowable bearing capacity KN/m2 17.13 12.85 14.77 9.86
Ultimate bearing capacity 50 37.5 43.125 28.5
Remarks Dark grey, stiff medium grained clayey sand Dark grey, medium grained clayey sand Dark grey, stiff, fine-medium grained Clayey sand Dark grey, stiff, fine-medium grained Clayey sand