2013 Fiscal Year Final Research Report
Development of examination method that is appropriate for evaluation of late expansion alkali aggregate reaction and research on control measures
| Project/Area Number |
23560554
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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 |
Civil engineering materials/Construction/Construction management
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| Research Institution | University of the Ryukyus |
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Principal Investigator |
TOMIYAMA JUN 琉球大学, 工学部, 准教授 (20325830)
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| Co-Investigator(Kenkyū-buntansha) |
SHINJO Ryuichi 琉球大学, 理学部, 教授 (30244289)
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| Project Period (FY) |
2011 – 2013
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| Keywords | アルカリ骨材反応 / 遅延膨張性 / 海砂 / フライアッシュ / 抑制効果 / 岩石学的評価 |
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| Research Abstract |
It is experimentally verified that JIS ASR test is able to be applied to the late-expansive alkali-silica-reaction(ASR). In addition, a new test method which is suitable for evaluation of the late-expansive ASR is examined. And finally, it is confirmed that fly ash has preventive effect against late-expansive ASR.
As a new test method which is suitable for evaluation of late-expansive ASR, we examined the parameter of care temperature on saturated NaCl solution soaking test and show the possibility of a new test. Also, preventive effect of fly-ash against the late-expansive ASR was shown.
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