黄麻纤维和铬铁矿渣掺入对混凝土性能的影响

IF 1.6 Q3 ENGINEERING, CIVIL
B. Jena, R. Patra, Bibhuti Bhusan Mukharjee
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引用次数: 5

摘要

摘要本试验研究试图检验使用铬铁渣代替粗骨料和黄麻纤维(JF)对混凝土不同特性的影响。为此,通过引入0%、50%和100%的铬铁矿渣骨料(FSA)代替天然粗骨料(NCA),并在混凝土中添加0%、0.1%、0.2%和0.3%的JF,制备了12种混凝土混合物。研究了7、28和90天抗压强度(CS)、弯曲强度(FS)、劈裂抗拉强度(STS)、超声波脉冲速度(UPV)、回弹数(RN)、吸水率(WA)、空隙体积(VV)、指定混合料的密度等工作性能,以了解FSA和JF在混凝土中的掺入效果。实验结果分析表明,具有50%–100%FSA和0.1%JF的混凝土混合物具有与普通混凝土相似的强度、物理和无损参数。此外,建议使用50%-100%的FSA来代替粗骨料,因为FSA的加入对各种混凝土性能没有实质性影响。还检测到,0.1%的JF可以引入混凝土中,而不会显著降低混凝土性能,因为超过这个水平,混凝土的性能会受到不利影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
INFLUENCE OF INCORPORATION OF JUTE FIBRE AND FERROCHROME SLAG ON PROPERTIES OF CONCRETE
ABSTRACT The present experimental study tries to examine the impact of ferrochrome slag usage as a substitution of coarse aggregates and jute fibre (JF) on different characteristics of concrete. For this, 12 numbers of concrete mixes have been fabricated by introducing 0%, 50% and 100% ferrochrome slag aggregates (FSA) in place of natural coarse aggregates (NCA) and adding 0%, 0.1%, 0.2% and 0.3% JF in concrete. The workability, 7, 28, and 90 days compressive strength (CS), flexural strength (FS), split tensile strength (STS), ultrasonic pulse velocity (UPV), rebound number (RN), water absorption (WA), volume of voids (VV), density of designated mixes, have been studied to access the effect of incorporation of FSA and JF in concrete. The experimental outcome analysis depicts the concrete mix having 50%–100% FSA and 0.1% JF has strength, physical and non-destructive parameters similar to those of normal concrete. Furthermore, 50%–100% FSA usage has been recommended as a substitution of coarse aggregates because the incorporation of FSA has no substantial impact on various concrete properties. It is also detected that 0.1% JF could be introduced in concrete without significant degradation of concrete behaviour since, beyond this level, the properties of concrete are adversely affected.
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来源期刊
CiteScore
3.90
自引率
7.70%
发文量
31
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