Specimen size effects for fiber-reinforced silty clay in unconfined compression

被引:2
|
作者
Ang, EA
Loehr, JE
机构
[1] Univ Missouri, Dept Civil & Environm Engn, Columbia, MO 65211 USA
[2] Univ Missouri, Dept Civil & Environm Engn, Columbia, MO 65211 USA
来源
GEOTECHNICAL TESTING JOURNAL | 2003年 / 26卷 / 02期
关键词
soil; fibers; specimen size effects; laboratory testing; strength; unconfined compression; compacted soils; soil improvement;
D O I
暂无
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
A series of laboratory unconfined compression tests were performed on specimens of a compacted silty clay to evaluate how the size of specimens used for strength testing of fiber-reinforced soil affects the measured strength and stress-strain properties. The results of these tests indicate that there is a significant effect of sample size both in terms of the magnitudes of the measured strengths as well as in terms of the variability of the measured strengths. The effects of specimen size were found to be most important for specimens compacted dry of the optimum moisture content. While no clear threshold specimen size was identified, the data indicate that specimens of 70 mm or greater in diameter are likely to produce strengths that are reasonably representative of the "mass" properties of fiber-reinforced soils.
引用
收藏
页码:191 / 200
页数:10
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