Basic study on use of granular material made from recycled glass as backfill material of underground pipes

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Other Title
  • 廃ガラスリサイクル粗粒材料の埋設管埋戻し材としての利用に関する基礎的研究

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Description

A new technology has been introduced to recycle glass bottles into granular materials to be used as geo-materials. One of these granular materials has diameters in the range of 5 to 10 mm. In order to use of this material as backfill material of underground pipes, the validity of use of this material against earthquake-induced uplift of underground pipes, compaction technique on this material, and deformation characteristics of this material under cyclic loading was studied. A series of centrifugal model tests revealed that this material would not liquefy during earthquakes since this material has a high permeability. A series of compaction tests using large scale mold revealed that insertion of geogrids on the compaction of this material is effective. One-dimensional cyclic loading tests and cyclic triaxial tests revealed that residual strain of this material under cyclic loading is about 0.2%. These experimental results ensured that this material can be used as a backfill material of underground pipes for preventing them from earthquake-induced uplift and for preventing the settlement of ground surface.

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Details 詳細情報について

  • CRID
    1390282680235366912
  • NII Article ID
    130005063953
  • DOI
    10.3208/jgs.10.127
  • ISSN
    18806341
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
    • OpenAIRE
  • Abstract License Flag
    Disallowed

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