National Taiwan Ocean University Institutional Repository:Item 987654321/50416
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题名: EFFECT OF AGGREGATE VOLUME FRACTION ON THE ELASTIC MODULI AND VOID RATIO OF CEMENT-BASED MATERIALS
作者: Shih-Wei Cho
Chung-Chia Yang
Ran Huang
贡献者: 國立臺灣海洋大學:河海工程學系
关键词: Void
Elastic moduli
Fine aggregate
Double inclusion
日期: 2000-10
上传时间: 2018-10-08T03:13:00Z
出版者: Journal of Marine Science and Technology
摘要: Abstract: The effects of aggregate volume fraction on the void ratio and the
elastic modulus of mortar were studied. Cylindrical specimens with
six volume fractions (a/t = 0., 0.05, 0.1, 0.2, 0.3, and 0.4) of fine
aggregate and various water/cement ratios (w/c = 0.3, 0.4, and 0.5)
were cast and tested. Double inclusion model for three-phase composite
(matrix, aggregate, and void) was used to predict the volume of
total void based on the properties and quantities of the components
and composites. Based on this study, when higher volume fraction of
aggregate is used in the mix, the elastic modulus of the composite
should be computed by introducing a third phase (void) into the
composite. For the mix with lower volume fraction of aggregate,
because the volume of void is relatively small in comparison with the
volume of other components, two-phase approach is appropriate for
evaluating the elastic moduli of the composites.
關聯: 8(1) pp.1-7
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50416
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