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2015 Fiscal Year Final Research Report

Synergetic effect of constant stress and freeze-thaw action on damage development in rock specimen

Research Project

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Project/Area Number 25420879
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Earth system and resources engineering
Research InstitutionHokkaido University

Principal Investigator

KODAMA JUN-ICHI  北海道大学, 工学(系)研究科(研究院), 准教授 (70241411)

Co-Investigator(Kenkyū-buntansha) KODAMA NARIAKI  函館工業高等専門学校, 准教授 (60435386)
NAKAMURA DAI  北見工業大学, 工学部, 准教授 (90301978)
Project Period (FY) 2013-04-01 – 2016-03-31
Keywords岩石 / 凍結融解作用 / 一定応力 / ハイブリッド損傷 / 変形挙動
Outline of Final Research Achievements

Synergetic effect of constant stress and freeze-thaw action on damage development in a rock specimen was investigated by laboratory tests under 3-dimennsonal cooling conditions. It was found that damage development by both constant stress and freeze-thaw action was more than that by constant stress or freeze-thaw action based on analysis of deformation behavior. It was also found that applied constant stress controlled orientation of damage development.

Free Research Field

岩盤工学

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Published: 2017-05-10  

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