Effect of Iron Ore Tailing and Glass Powder on Concrete Properties

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.

Mechanical properties of sustainable concrete comprising various wastes

“…The research suggested using 10% GP and 30% iron ore tailing, which enhances the concrete strength. On the other hand, water absorption and workability decreased with the increase in GP 25 . Rao et al 26 investigated the influence of replacing 20% of sand with ground granular blast furnace slag and cement with 6% nano-silica and 10% rice husk ash on the strength and durability of concrete.…”

“…The results showed that the concrete strength increased with the replacement ratio up to 12%. Dhanabal et al 25 investigated the influence of replacing 30% of sand with iron ore tailing constant for all mixes and 0%, 10%, 20%, and 30% of cement with glass powder (GP) on the strength and durability of concrete. The research suggested using 10% GP and 30% iron ore tailing, which enhances the concrete strength.…”