دورية أكاديمية
STABILITY CHARTS FOR A TALL TUNNEL IN UNDRAINED CLAY.
| العنوان: | STABILITY CHARTS FOR A TALL TUNNEL IN UNDRAINED CLAY. |
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| المؤلفون: | Shiau, Jim, Sams, Mathew, Jing Chen |
| المصدر: | International Journal of GEOMATE; Apr2016, Vol. 10 Issue 2, p1764-1769, 6p |
| مصطلحات موضوعية: | CLAY, SHEAR strength of soils, TUNNELS |
| مستخلص: | The stability of a plane strain tall rectangular tunnel in undrained clay is investigated in this paper using shear strength reduction technique. The finite difference program FLAC is used to determine the factor of safety for unsupported tall rectangular tunnels. Numerical results are compared with upper and lower bound limit solutions, and the comparison finds a very good agreement with solutions to be within 5% difference. Design charts for tall rectangular tunnels are then presented for a wide range of practical scenarios using dimensionless ratios ~ a similar approach to Taylor's slope stability chart. A number of typical examples are presented to illustrate the potential usefulness for practicing engineers. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: | Complementary Index |
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