Study on healing capability of bio-cemented soil

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  • 損傷を受けた微生物固化土の潜在的修復可能性に関する検討
  • ソンショウ オ ウケタ ビセイブツコカド ノ センザイテキ シュウフク カノウセイ ニ カンスル ケントウ

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Abstract

A new technique of ground improvement by microbial function has been recently proposed, as more eco-friendly technique than conventional one. Metabolic function of microbes produces carbon dioxide, which helps to generate calcium carbonate. Such a cementation process may be operated repeatedly as long as microbes’ function is active. In this study, a series of triaxial test was conducted in order to evaluate the recovery of shear-damaged cementation generated by those function in Toyoura sand specimens. It was found that stiffness of the bio-cemented specimen degraded by shear but it recovered when the microbes in the specimen were activated by grouting. [This abstract is not included in the PDF]<br>

Journal

  • SEISAN KENKYU

    SEISAN KENKYU 63 (4), 407-410, 2011

    Institute of Industrial Science The University of Tokyo

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