STATISTICAL SCRUTINY OF VARIATIONS IN IMPACT STRENGTH OF GREEN HIGH PERFORMANCE FIBRE REINFORCED CONCRETE SUBJECTED TO DROP WEIGHT TEST

被引：0
作者：
Murali, G. [1 ]
Karthikeyan, K. [2 ]
Haridharan, M. K. [3 ]
机构：
[1] Sastra Deemed Univ, Sch Civil Engn, Thanjavur, India
[2] VIT Deemed Univ, SMBS, Madras, Tamil Nadu, India
[3] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Dept Civil Engn, Coimbatore, Tamil Nadu, India
来源：
REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS | 2018年 / 48卷 / 02期
关键词：
Statistical analysis; First crack strength; Failure strength; Fibres; Steel; BLAST-FURNACE SLAG; LIMESTONE FILLER; STEEL FIBERS; RESISTANCE; CEMENT; RELIABILITY; MORTAR; MODELS; SILICA; DUST;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper, the impact strength of four concrete mixtures namely green high performance plain concrete (GHPPC), green high performance and steel fibre reinforced concrete (GHPSFRC) subjected to drop weight test was statistically investigated. The steel was incorporated each at a dosage of 0.5%. The pre-determined green concrete mixtures were prepared with 2% of nano silica as cement replacement and 30% of copper slag as fine aggregate replacement. From each type, 40 specimens were tested using the drop weight test in accordance with procedure proposed by ACI Committee 544 and their impact strength was determined. Results showed that the distribution of impact strength of GHPPC and GHPSFRC were approximately normal. The minimum number of tests necessary for attaining the impact failure strength of, GHPPC and GHPSFRC specimens were found to be 57 and 41 respectively at 95% level of confidence with an error below 10%.
引用
收藏
页码：214 / 221
页数：8
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