Type of Bearing Soil - Rock, Granite, Diorite
Consistency in Place - Hard, Sound Rock
Allowable Bearing Pressure (Tons Per Square Feet)
- Range: 60 to 100 Tons
- Recommended Value For Use - 80 Tons
Type of Bearing Soil - Slate
Consistency in Place - Medium Hard, Sound Rock
Allowable Bearing Pressure (Tons Per Square Feet)
- Range: 30 to 40 Tons
- Recommended Value For Use: 35 Tons
Type of Bearing Soil - Hard Cemented Shales, Siltstone, Sandstones, Limestones with Cavities
Consistency in Place - Hard, Sound Rock
Allowable Bearing Pressure (Tons Per Square Feet) -
- Range: 15 to 20 Tons
- Recommended Value For Use: 20 Tons
Type of Bearing Soil - Weather or Broken Bedrock of any Kind except highly Argillaceous Rock (Shale). RQD Less Than 25
Consistency in Place - Soft Rock
Allowable Bearing Pressure (Tons Per Square Feet)
- Range: 8 to 12 Tons
- Recommended Value For Use: 10 Tons
Type of Bearing Soil - Compaction Shale or Other Highly Argillaceous Rock in Sound Condition
Consistency in Place - Soft Rock
Allowable Bearing Pressure (Tons Per Square Feet)
- Range: 8 to 12 Tons
- Recommended Value For Use: 10 Tons
Type of Bearing Soil - Well Graded Mixture or Fine and Coarse-Grain Soil: Glacial Till, Hardpan, Boulder Clay
Consistency in Place - Very Compact
Allowable Bearing Pressure (Tons Per Square Feet)
- Range: 8 to 12 Tons
- Recommended Value For Use: 10 Tons
Type of Bearing Soil - Gravel, Gravel-Sand Mixtures, Boulder Gravel Mixtures
Consistency in Place - Very Compact Medium to Compact Loose
Allowable Bearing Pressure (Tons Per Square Feet)
Range:
- 6 to 10 Tons
- 4 to 7 Tons
- 2 to 6 Tons
Recommended Value For Use:
Type of Bearing Soil - Coarse to Medium Sand, Sand with Little Gravel
Consistency in Place - Ver Compact Medium to Compact Loose
Allowable Bearing Pressure (Tons Per Square Feet)
Range:
- 4 to 6 Tons
- 2 to 4 Tons
- 1 to 3 Tons
Recommended Value For Use:
Type of Bearing Soil - Fine to Medium Sand, Silty or Clayey Medium to Coarse Sand
Consistency in Place - Very Compact Medium to Compact Loose
Allowable Bearing Pressure (Tons Per Square Feet)
Range:
- 3 to 5 Tons
- 2 to 4 Tons
- 1 to 2 Tons
Recommended Value For Use:
Type of Bearing Soil - Homogenous Inorganic Clay, Sandy or Silty Clay (CL, CH)
Consistency in Place - Very Stiff to Hard Medium to Stiff Soft
Allowable Bearing Pressure (Tons Per Square Feet)
Range:
- 3 to 6 Tons
- 1 to 3 Tons
- 0.5 to 1 Tons
Recommended Value For Use:
Type of Bearing Soil - Gravel, Gravel-Sand Mixtures, Boulder Gravel Mixtures (SW, SP,SW, SP)
Consistency in Place - Very Stiff to Hard Medium to Stiff Soft
Allowable Bearing Pressure (Tons Per Square Feet)
Range:
- 2 to 4 Tons
- 1 to 3 Tons
- 0.5 to 1 Tons
Recommended Value For Use: