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http://dx.doi.org/10.7843/kgs.2008.24.6.5

A Study on the Stability Control Method of Soft and Polluted Silt Soils  

Ahn, Jong-Pil (Dept. of Civil Engrg., Chosun Univ.)
Park, Sang-Bum (Dept. of Civil Engrg., Chosun Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.24, no.6, 2008 , pp. 5-16 More about this Journal
Abstract
This study investigated the existing theoretical backgrounds in order to examine the stability control method of lateral flow caused by the Plasticity of soils when unsymmetrical surcharge works on polluted soils and then compared and analyzed the results measured through model tests. Ultimate bearing power of ML and $ML_{p1}$ and $ML_{p2}$ obtained at surcharge(q)-settlement$(S_v)$ curve showed similar trends to ultimate bearing power obtained from control chart of deflection $(S_v-Y_m)$ by Tominaga.Hashimoto, that of $S_v-(Y_m/S_v)$ by Matsuo.Kawamura and that of $(q/Y_m)-q$ by Shibata.Sekiguchi and so it is considered that it has no problem in actual applicability. ${S_v-(Y_m/S_v)}$ of control chart of $ML_{p1}$ by Matsuo.Kawamura showed smaller value than ultimate bearing capacity value from surcharge-settlement curve $(q-S_v)$. Expression of ML of fracture baseline at stability control charge by Matsuo Kawamura is ${S_v=3.21exp}\{-0.48(Y_m/S_v)\}$ and expression of $ML_{p1}$ is ${S_v=3.26exp}\{-0.96(Y_m/S_v)\}$ and expression of $ML_{p2}$ is ${S_v=6.33exp}\{-0.45(Y_m/S_v)\}$.
Keywords
Excretion; Model test; Stability control; Ultimate capacity;
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  • Reference
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