Damage risk assessment of buried pipes in cold regions
| Project/Area Number |
26420476
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Geotechnical engineering
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| Research Institution | Kitami Institute of Technology |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
所 哲也 苫小牧工業高等専門学校, その他部局等, 准教授 (40610457)
石川 達也 北海道大学, 工学研究院, 教授 (60359479)
中村 大 北見工業大学, 工学部, 准教授 (90301978)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | 寒冷地 / 凍結 / 凍上 / 埋設管 / 地中応力 / 輪荷重 / 土中土圧 / 土中温度 / 凍結融解 / 道路 / 温度 / 土圧 / 増加応力 |
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| Outline of Final Research Achievements |
This study measured detailed temperature distribution around buried pipes under the pavement and vertical stresses in the ground, as well as seasonal changes of incremental stress exerted by vehicle wheel loads for damage risk assessment of buried pipes beneath pavements in cold regions.
Results revealed that these measured values change significantly as a result of the ground’s freeze-thaw process. In addition, we found that the incremental stress in the ground increases with the vehicle weight and that the rate of increase changes with freezing and thawing. The stress distribution (transmission) in the ground was also found to change with freezing and thawing.
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Report
(4 results)
Research Products
(14 results)
