Summary of shear strength parameters for Singapore residual soils
| References | Geological formation (location) | Description | Depth range: m | Effective cohesion, c′ (kPa) Average (range) | Effective angle of friction, ϕ′ (°) Average (range) |
|---|---|---|---|---|---|
| 6 | Jurong (NTU Campus) | Sandy silty clay | 1·25–7·45 | 31 (19–50) 15 tests | 27 (24–40) 10 tests |
| 7 | Jurong (NTU Campus) | Silty clay | 0·2–0·5 | 95 1 test | 35 1 test |
| 8 | Jurong (NTU Campus) | Silty clay | 0·2–0·5 | 20 (15–22) 4 tests | 27 1 test |
| 9 | Jurong (Pulau Ayer Chawan) | Sandy clayey silt | 12 18 tests | 35 18 tests | |
| 9 | Jurong (Pulau Pesak and Pulau Seraya) | Clayey silt | 17 36 tests | 28 36 tests | |
| 10 | Jurong | Weathered sandstone | 6 | 32 | |
| 10 | Jurong | Shale | (20–25) | (20–26) | |
| 11 | Jurong | Sandstone/ siltstone boulders, cobbles and gravel in a silty clay matrix | (5–100) | 28 (17–46) | |
| 11 | Jurong | Silty clay/clayey silt | (10–65) | (17–36) | |
| 12 | Gombak Norite (Bukit Batok) | Clayey silt/ sandy silt | 0–16 | 11 (3–33) 100 tests | 36 (25–45) 100 tests |
| 13 | Bukit Timah (Lorong Terigu) | 0–21 | 15 (0–40) 7 tests | 32 (30–35) 7 tests | |
| 11 | Bukit Timah | Silty clay/clayey silt | (0–125) | 30 (13–36) | |
| 5 | Bukit Timah | Sandy silty clay/sandy clayey silt | (0–42) 17 tests | (20–36) 12 tests |
| References | Geological formation (location) | Description | Depth range: m | Effective cohesion, | Effective angle of friction, ϕ′ (°) Average (range) |
|---|---|---|---|---|---|
| 6 | Jurong (NTU Campus) | Sandy silty clay | 1·25–7·45 | 31 (19–50) 15 tests | 27 (24–40) 10 tests |
| 7 | Jurong (NTU Campus) | Silty clay | 0·2–0·5 | 95 1 test | 35 1 test |
| 8 | Jurong (NTU Campus) | Silty clay | 0·2–0·5 | 20 (15–22) 4 tests | 27 1 test |
| 9 | Jurong (Pulau Ayer Chawan) | Sandy clayey silt | 12 18 tests | 35 18 tests | |
| 9 | Jurong (Pulau Pesak and Pulau Seraya) | Clayey silt | 17 36 tests | 28 36 tests | |
| 10 | Jurong | Weathered sandstone | 6 | 32 | |
| 10 | Jurong | Shale | (20–25) | (20–26) | |
| 11 | Jurong | Sandstone/ siltstone boulders, cobbles and gravel in a silty clay matrix | (5–100) | 28 (17–46) | |
| 11 | Jurong | Silty clay/clayey silt | (10–65) | (17–36) | |
| 12 | Gombak Norite (Bukit Batok) | Clayey silt/ sandy silt | 0–16 | 11 (3–33) 100 tests | 36 (25–45) 100 tests |
| 13 | Bukit Timah (Lorong Terigu) | 0–21 | 15 (0–40) 7 tests | 32 (30–35) 7 tests | |
| 11 | Bukit Timah | Silty clay/clayey silt | (0–125) | 30 (13–36) | |
| 5 | Bukit Timah | Sandy silty clay/sandy clayey silt | (0–42) 17 tests | (20–36) 12 tests |
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