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RISS 인기검색어
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- 저자 : Min?Jae Kwon (검색결과 2 건)
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배종순,권민재,김민아,김동숙 경상대학교 생산기술연구소 2003 工學硏究院論文集 Vol.19 No.-
This study is the analysis for settlement and degree of consolidation with Compression Index(Cc) and Coefficient of Consolidation(Cv) that is changed due to Consolidation using the actual measurement through a back-analysis method based on the least squares method. We were try to decide the expected settlement and the time of filling removal by using the degree of consolidation which is the closest to the settlement behavior by actual measurement. At the ground improvement construction site proposed for Gwangyang container Port, we meet good results as follows; With regard to the settlement by actual measurement before the completion of loading filling, it is estimated that Barron's method(Sr/Sm=100.4%) is closer to the settlement by actual measurement than Hansbo method (Sr/Sm=78.8%), due to external influences such as immediate settlement or equipment load. After the completion of loading filling, while Asaoka's method (Sr/Sm=109.1%) and Barron's method(Sr/Sm=112.8%) were overvalued, Hyperbolic method(Sr/Sm=70.0%) was undervalued, and Hansbo method(97.6%) showed the most similar results to the settlement by actual measurement. The results of this study showed that, in applying the consolidation parameter obtained by means of back-analysis, Barron's method was the most appropriate before the completion of loading filling, while after it Hansbo's method was, with 99.4% of the settlement by actual measurement.
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배종순,권민재 慶尙大學校 經營行政大學院 2004 工學硏究院論文集 Vol.20 No.-
Base on the subsurface exploration(contain physical & mechanical test) performed at each boring hole, we try to analyze the change of soil property after improvement ground. At this study, we try to find out relationship physical and mechanical characters at the agricultural center of Jangyu. We obtained relationship as follows; 1) water content and soil constant e=2.71×ω_(n)/100, γ_(t)=2.71(1+ω_(n)/100)γ_(w)/(1+2.71×ω_(n)/100) before improvement: WL=0.486 ω_(n)+26.88, PI=0.38 ω_(n)+6.08 after improvement: WL=0.781 ω_(n)+29.80, PI=0.45 ω_(n)+16.71 2) shear strength before improvement: C_(ub)=0.036 Z+0.09(UU, q_(u)), C_(ub)=0.007 Z+0.14(Vane) after improvement: C_(ua)=0.033 Z+0.49(UU, q_(u)), C_(ua)=0.015 Z+0.40(Vane) 3) Compression index C_(c)=0.013 (ω_(n)+5), C_(c)=0.53 (e_(o)) 4) OCR was increased to 2.3 from 1.2; C_(u)/ΔP=0.21
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