Summary of new Cowden till triaxial tests and their initial conditions
| Test code | Pre-shear p′0: kPa | Pre-shear σ′v: kPa | Pre-shear K0 |
|---|---|---|---|
| CR38KUC0.5 | 19·3 | 14·5 | 1·5 |
| CR38KUC1.0 | 27·7 | 20·8 | 1·5 |
| CR38KUC1.5 | 35·5 | 26·6 | 1·5 |
| CR100KUC2.0 | 46·4 | 34·8 | 1·5 |
| CR100KUC2.5 | 54·8 | 41·1 | 1·5 |
| CR38KUC3.0T | 62·4 | 46·8 | 1·5 |
| CR38KUC3.7 | 70·2 | 52·6 | 1·5 |
| CR100KUC5.0 | 92·7 | 69·5 | 1·5 |
| CR38KUC5.0 | 76·2 | 57 | 1·5 |
| CR38KUC5.4 | 96·6 | 72·5 | 1·5 |
| CR38IUC8.0 | 113·5 | 113·5 | 1·0 |
| CR38IUC8.0 | 113·8 | 113·8 | 1·0 |
| CR100IUC8.2 | 121 | 121 | 1·0 |
| CR38IUC10.0 | 156·2 | 156·2 | 1·0 |
| CR38IUC10.0 | 153·1 | 153·1 | 1·0 |
| CR38IUC11.5 | 198 | 198 | 1·0 |
| CR38KUE0.5 | 19·7 | 14·7 | 1·5 |
| CR38KUE1.0 | 27·5 | 20·6 | 1·5 |
| CR38KUE3.4 | 65·9 | 49·4 | 1·5 |
| CR100KUE4.5 | 80·2 | 60·2 | 1·5 |
| CR38KUE5.4 | 97·5 | 73·1 | 1·5 |
| CR38IUE7.5 | 113·5 | 113·5 | 1·0 |
| CR38IUE10.0 | 153·6 | 153·6 | 1·0 |
| Test code | Pre-shear | Pre-shear | Pre-shear |
|---|---|---|---|
| CR38KUC0.5 | 19·3 | 14·5 | 1·5 |
| CR38KUC1.0 | 27·7 | 20·8 | 1·5 |
| CR38KUC1.5 | 35·5 | 26·6 | 1·5 |
| CR100KUC2.0 | 46·4 | 34·8 | 1·5 |
| CR100KUC2.5 | 54·8 | 41·1 | 1·5 |
| CR38KUC3.0T | 62·4 | 46·8 | 1·5 |
| CR38KUC3.7 | 70·2 | 52·6 | 1·5 |
| CR100KUC5.0 | 92·7 | 69·5 | 1·5 |
| CR38KUC5.0 | 76·2 | 57 | 1·5 |
| CR38KUC5.4 | 96·6 | 72·5 | 1·5 |
| CR38IUC8.0 | 113·5 | 113·5 | 1·0 |
| CR38IUC8.0 | 113·8 | 113·8 | 1·0 |
| CR100IUC8.2 | 121 | 121 | 1·0 |
| CR38IUC10.0 | 156·2 | 156·2 | 1·0 |
| CR38IUC10.0 | 153·1 | 153·1 | 1·0 |
| CR38IUC11.5 | 198 | 198 | 1·0 |
| CR38KUE0.5 | 19·7 | 14·7 | 1·5 |
| CR38KUE1.0 | 27·5 | 20·6 | 1·5 |
| CR38KUE3.4 | 65·9 | 49·4 | 1·5 |
| CR100KUE4.5 | 80·2 | 60·2 | 1·5 |
| CR38KUE5.4 | 97·5 | 73·1 | 1·5 |
| CR38IUE7.5 | 113·5 | 113·5 | 1·0 |
| CR38IUE10.0 | 153·6 | 153·6 | 1·0 |
Test code: C, Cowden site; R, rotary core samples; 38 or 100, sample diameter in millimetres; K or I, K0 or isotropic consolidation; U, undrained shearing; C or E, compression or extension shearing mode; X.Y – sample depth below ground surface, ranging from 0·5 to 11·5 m.
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