Journal of Japan Society of Dam Engineers
Online ISSN : 1880-8220
Print ISSN : 0917-3145
ISSN-L : 0917-3145
Volume 26, Issue 2
Displaying 1-1 of 1 articles from this issue
  • Masafumi KONDO, Kazuya YADA, Takashi SASAKI
    2016 Volume 26 Issue 2 Pages 56-68
    Published: June 15, 2016
    Released on J-STAGE: June 24, 2016
    JOURNAL FREE ACCESS
    Various test data on long-term (several to over 100 years of age) properties of dam concrete used for Japanese concrete dams were investigated and analyzed. The result indicates that the long-term compressive strength excesses early age strength in many cases, while it may be going to peak in some cases and the degree of strength increment may depend on bonding materials. In addition, test data of elastic modulus and tensile strength were analyzed in relation to compressive strength and material age. The rates of neutralization of dam concrete were also estimated and discussed.
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