| Project/Area Number |
25630203
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Geotechnical engineering
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| Research Institution | Yamaguchi University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
TAKAMI Katsuhiko 山口大学, 大学院理工学研究科, 准教授 (00171546)
SUZUKI Motoyuki 山口大学, 大学院理工学研究科, 准教授 (00304494)
YOSHIMOTO Norimasa 山口大学, 大学院理工学研究科, 助教 (00325242)
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| Project Period (FY) |
2013-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | 多段ボンドアンカー / グラウト / ダム岩盤 / プレストレス調整 / ボンド型アンカー / 付着 / ひび割れ / 内部劣化 |
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| Outline of Final Research Achievements |
The present study was performed in order to develop anchor reinforcement method to dam bedrock. The tests were performed to investigate the adhesion between anchor and grout varying the kind of anchor steel, the grout strength and the anchor tensile force. The bedrock model specimens were prepared by using normal concrete and light-weight mortar in which 4 kinds of anchor with different adherent system were built. It was found in the tests that the tensile forces decreased due to creep of bedrock resulted in loss of pre-stress in the bedrock. However, the model bedrock could maintain constant pre-stress force continuously by adjusting pre-stress of the bedrock at the construction of grout.
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