STUDY ON THE UTILIZATION OF SILICA JELLY TO THE EARTH PRESSURE SHIELD METHOD

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  • シリカシールド工法の実用化に関する研究
  • シリカシールド コウホウ ノ ジツヨウカ ニ カンスル ケンキュウ

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The earth pressure shield method can be applied to various kinds of soil, but a certain countermeasure is needed to prevent the gush of water at the gate of soil removal with excavating some types of soils such as granular soil.<br>The “Silica shield method” uses silica jelly as an additive to solve the above mentioned problem.<br>This report describes the various effects of silica jelly such as improvement of fluidity of excavated granular soil, the optimum mixing ratio of silica jelly and the safety features.

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