| Project/Area Number |
13558053
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 展開研究 |
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| Research Field |
Natural disaster science
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| Research Institution | Kyushu University |
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Principal Investigator |
OCHIAI Hidetoshi Kyushu University, Graduate school of Eng., Professor, 工学研究院, 教授 (00039679)
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| Co-Investigator(Kenkyū-buntansha) |
OMINE Kiyoshi Kyushu University, Graduate school of Eng., Associate Professor, 工学研究院, 助教授 (60248474)
YASUFUKU Noriyuki Kyushu University, Graduate school of Eng., Associate Professor, 工学研究院, 助教授 (20166523)
ZEN Kouki Kyushu University, Graduate school of Eng., Professor, 工学研究院, 教授 (50304754)
HIRAI Takao Mitsui Chemical Industrial Products, Technical Manager, 技術部技術グループ, 課長
YAMADA Syoutaro Kyushu University, Graduate school of Eng., Research Associate, 工学研究院, 助手 (70346815)
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| Project Period (FY) |
2001 – 2003
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| Project Status |
Completed (Fiscal Year 2003)
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| Budget Amount *help |
¥12,400,000 (Direct Cost: ¥12,400,000)
Fiscal Year 2003: ¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 2002: ¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2001: ¥6,900,000 (Direct Cost: ¥6,900,000)
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| Keywords | Composite Geomaterial / Light-weight Geomaterial / Loading apparatus / Ductility / Cement-treated soil / Plastic pieces / Bearing Capacity / Improved Ground / 軽量士 / 発砲スチロール |
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| Research Abstract |
As for the development of new geomaterial with "light-weight" for inertial force lightening and "improvement of ductility" for big load or repeated load by earthquake, it is very important problem in geotechinical engineering. On the other hand, recycling of wastes is also another important problem.
In this study, several geomaterials were developed in consideration of light-weight and ductility; cement-treated soil with plastic pieces, air-formed soil with plastic pieces, and mixture of sand and EPS ingot material. The validity of this method is confirmed by unconfined compression test, loading model test for bearing capacity and model test for underground structure. Furthermore, nondestructive testing is applied to the in-situ improved ground for quality control.
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