Effect of SCP Improvement Depth on Stability under Backfill Loading

机译：SCP改进深度对回填载荷下稳定性的影响

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The stability behavior of ground improved by floating-type SCP, which penetrates partially into clay ground, when subjected to backfill loading is analyzed and discussed, because the stability of the floating-type improved ground can be lower than that of the fixed type. Results of FEM analyses and centrifuge model tests were used to assess the effects of improvement depth on stability of improved ground. The results show that the failure pattern changes from bending to slip failure, when the improvement depth becomes lower than a critical value. Further, the stability of the floating-type is reduced if the improvement depth is lower than this critical depth.

机译：由于浮动式改良地面的稳定性可能会比固定式低，因此浮动式SCP改善的地面的稳定性会受到回填载荷的影响。有限元分析和离心模型测试的结果用于评估改善深度对改善地面稳定性的影响。结果表明，当改善深度低于临界值时，破坏模式从弯曲破坏变为滑动破坏。此外，如果改善深度低于该临界深度，则浮置型的稳定性降低。

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来源
《GeoShanghai International Conference; 20060606-08; Shanghai(CN)》|2006年|P.103-110|共8页
会议地点 Shanghai(CN)
作者
H. Takahashi; T. Nakamura; M. Kitazume;
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作者单位

Soil Stabilization Division, Geotechnical and Structural Engineering Department, Port and Airport Research Institute, 3-1-1, Nagase, Yokosuka 239-0826, Japan;

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原文格式 PDF
正文语种 eng
中图分类规划、勘测与设计;
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1. Ground stability against backfill loading of SCP improved ground using solidified iron-and-steel slag [J] . 高橋英紀, 森川嘉之, 篠崎晴彦, Japanese Geotechnical Journal . 2011,第1期

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2. EXPERIMENTAL STUDY ON DEFORMATION OF SOFT CLAY IMPROVED BY LOW REPLACEMENT RATIO SCP UNDER BACKFILLED CAISSON LOADING [J] . ZAYEDUR RAHMAN, JIRO TAKEMURA, MASAYUKI KOUDA 地盘工学会论文报告集 . 2000,第5期

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3. Sliding Stability of Retaining Wall Supporting c-φ Backfill under Pseudo-Statically Seismic Active Load [J] . Sima Ghosh International journal of geotechnical earthquake engineering . 2013,第1期

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4. Effect of SCP Improvement Depth on Stability under Backfill Loading [C] . H. Takahashi, T. Nakamura, M. Kitazume, GeoShanghai International Conference . 2006

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Effect of SCP Improvement Depth on Stability under Backfill Loading

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