EFFECT OF IRON ORE TAILING AND GLASS POWDER ON CONCRETE PROPERTIES

Revista Ingeniería de Construcción Pub Date : 1900-01-01 DOI:10.7764/ric.00017.21

D. P., Sushmitha K S

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引用次数: 2

Abstract

The aim of this research is to test the characteristics of concrete by substitute fine aggregate with iron ore tailings and partial glass powder as in the place of cement. Concrete with waste products such as glass powder and iron ore tailings offers technical, economic and environmental advantages. In this experimental investigation, glass powder is replaced with cement by 10%, 20% and 30% and iron ore tailings with fine aggregates by 30% which is the optimum percentage. To study the role of glass powder and iron ore tailings combination in concrete, The properties such compressive strength, flexural strength, tensile strength and also durability parameters likely water absorption investigation for M40 concrete is carried out with different percentages of glass powder by keeping the iron ore tailings percentage constant. At 30% glass powder substitution as cement and sand with IOT increases concrete effectiveness. The concrete with 10% glass powder & 30% iron ore tailings showed a higher strength compared to the conventional mix for 28 days. Concrete mix containing 10% GP and 30% IOT showed higher flexural strength of 5.05 MPa for 28 days. Splitting tensile strength value is also increasing i. e for 10% glass powder and 30% IOT, obtained splitting tensile strength was 4.48 MPa and modulus of elasticity value was has also increased. Water absorption experiment consequences results that water absorption decreases with an increase in GP percentage. The concrete workability tends to decrease when with glass powder content increase. Concrete containing 10% glass powder and 30% IOT showed maximum strength and it is considered as the optimum dosage.

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铁矿尾矿和玻璃粉对混凝土性能的影响

本研究的目的是用铁矿尾矿和部分玻璃粉代替细骨料代替水泥，测试混凝土的性能。用玻璃粉、铁矿尾矿等废料配制混凝土具有技术、经济和环境优势。在本试验研究中，玻璃粉以水泥代替10%、20%、30%，细集料铁尾矿以30%为最佳配比。为了研究玻璃粉与铁矿尾砂在混凝土中的作用，在保持铁矿尾砂掺量不变的情况下，对不同玻璃粉掺量下M40混凝土的抗压强度、抗折强度、抗拉强度及耐久性等性能指标进行了研究。物联网可替代30%的玻璃粉作为水泥和砂，从而提高混凝土的使用效率。掺有10%玻璃粉和30%铁矿尾矿的混凝土在28天内的强度均高于常规混合料。掺入10% GP和30% IOT的混凝土抗弯强度达到5.05 MPa，龄期28 d。劈裂抗拉强度值也有所提高，即10%玻璃粉和30%物联网的劈裂抗拉强度为4.48 MPa，弹性模量也有所提高。吸水试验结果表明，吸水率随GP百分比的增加而降低。随着玻璃粉掺量的增加，混凝土和易性有降低的趋势。掺量为10%玻璃粉和30%物联网的混凝土强度最大，为最佳掺量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Revista Ingeniería de Construcción

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