Utilization of iron ore tailings as fine aggregate in

Jan 15, 2014· Iron ore tailings have the potential to be used as fine aggregate because they are relatively inert and the particle size of the tailings is significantly larger than that of cement. This paper investigated the use of iron ore tailings to replace natural sand as fine aggregate and studied the impact that various replacement levels had on the

Characterization of Iron Ore Tailings as Fine Aggregate

Keywords: concrete-making material; fine aggregate; iron ore tailings; microscopy of material; sustainability; waste material. Date: 3/1/2020. Abstract: Iron ore tailings (IOTs) are common industrial solid waste products which are generated in enormous quantities during the production process of iron ore.

Evaluation of iron ore tailings as replacement for fine

Sep 01, 2016· The fine aggregate (river sand) and coarse aggregates used for this study were natural and locally sourced. A Polycarboxylic ether based superplasticizer that complies with ASTM C494 was used to increase the workability of the mix to avoid increase of water. 2.2. Iron ore tailings

Evaluation of iron ore tailings as replacement for fine

Shettima et al. (2016) investigated the use of iron ore tailings as a replacement for fine aggregates in concrete [15]. The strength performances were consistently higher than those of ordinary

Study on Utilization of Iron Ore Tailings as Fine

by complete replacing fine aggregate by Iron ore tailings, and GGBS as partial substitute to cement at 10%, 20%, 30% and 40%. The cubes were casted and their compressive strengths were evaluated at 7, 14 and 28 days. As the percentage increased the strength is also increased but only up to 30%

The Influences of Iron Ore Tailings as Fine Aggregate on

The present study looks for the feasibility of preparing UHPC with iron ore tailings (IOT for short) as fine aggregate. To enhance outstanding high performances, some influences on UHPC mortars were investigated such as different kinds of sands, different mix ratio of sands, and different largest particle size of fine aggregate. The results show that IOT have negligible poorer aggregate

Effect of Iron Ore Tailings as Fine Aggregate on Pore

Effect of iron ore tailings as fine aggregate on pore structure of mortars has been studied in this paper. The purpose is to investigate, as fine aggregate, comparing to natural sand, whether the iron ore tailings can improve the pore structures of mortars or not. Pore structure parameters were measured with the instrument of MIP and calculated with corollary software.

UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO

An attempt is made with Iron Ore Tailings as a partial replacement of fine aggregate in the concrete. The main aim of this section is to present an overview of research work carried out by various researchers in the field of Iron Ore Tailings and replacement of fine aggregates. Sujing Zhao et al (2014) [10] investigated that 100%

Iron Ore Tailings As Fine Aggregate Nepal

Experimental Study On Iron Ore Tailings And Bottom. iron ore tailings and bottom ash as fine aggregates in concrete is taken for study. Initially replacement of fine aggregate with 10, 20, 30, 40 and 50 iron ore tailings was done. Then replacement of fine aggregate with 10, 20, 30, 40

Effect of Replacing Sand by Iron Ore Tailings on the

3. Sujing Zhao, Junjiang Fan and Wei Sun (2014), “Utilization of iron ore tailings as fine aggregate in ultra-high performance concrete”, Construction and Building Materials, 50, pp. 540-548. 4. Bureau of Indian Standards, IS: 10262:2009 (Revised) Recommended guidelines for

Study on Utilization of Iron Ore Tailings as Fine

by complete replacing fine aggregate by Iron ore tailings, and GGBS as partial substitute to cement at 10%, 20%, 30% and 40%. The cubes were casted and their compressive strengths were evaluated at 7, 14 and 28 days. As the percentage increased the strength is also increased but only up to 30%

Effect of Iron Ore Tailings as Fine Aggregate on Pore

Effect of iron ore tailings as fine aggregate on pore structure of mortars has been studied in this paper. The purpose is to investigate, as fine aggregate, comparing to natural sand, whether the iron ore tailings can improve the pore structures of mortars or not. Pore structure parameters were measured with the instrument of MIP and calculated with corollary software.

CiteSeerX — IRON ORE TAILING AS FINE AGGREGATE IN

The constituent materials were batched by weight. The mix with only river sand (RS) as fine aggregate served as the control mix, while sand was replaced in the other mixes by 20%, 40%, 60%, 80 % and 100 % iron ore tailing (IOT). It was observed that the Iron or tailing contain more fines passing BS number 200 sieve than the river sand used.

UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE

UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES IN CEMENT CONCRETE PAVEMENTS

Utilization of iron ore tailings as fine aggregate in

Iron ore tailings Fine aggregate Strength Pore structure Microstructure abstract Iron ore tailings are a common type of hazardous solid waste in China and have caused serious environmental problems, and the high cost of producing ultra-high performance concrete (UHPC) provides the motivation to look for low-priced raw materials.

Technical and Environmental Feasibility of Interlocking

Sep 09, 2017· The present paper evaluates the technical and environmental feasibility of using iron ore tailings (IOTs) as fine aggregate in the production of interlocking concrete blocks. Initially, environmental, chemical, and physical characterizations of the tailings were carried out. Pavers with IOTs replacing natural aggregate in proportions from 10 to

Effect of Replacing Sand by Iron Ore Tailings on the

3. Sujing Zhao, Junjiang Fan and Wei Sun (2014), “Utilization of iron ore tailings as fine aggregate in ultra-high performance concrete”, Construction and Building Materials, 50, pp. 540-548. 4. Bureau of Indian Standards, IS: 10262:2009 (Revised) Recommended guidelines for

Iron Ore: Sedimentary Rock Pictures, Definition & More

Earth's most important iron ore deposits are found in sedimentary rocks. They formed from chemical reactions that combined iron and oxygen in marine and fresh waters. The two most important minerals in these deposits are iron oxides: hematite (Fe 2 O 3) and magnetite (Fe 3 O 4). These iron ores have been mined to produce almost every iron and

saw dust as an alternative to fine aggregate in concrete

concrete coarse and fine aggregates. Saw dust 0.35–0.60 128–320 10 As an alternative method for reclaiming aggregates from the returned concrete in fresh 2.1 Materials 2.1.1 Cement. dust can be used as alternative using stone dust as fine aggregate and A. K,2003, Crushed stone waste as fine aggregate for Concrete. The

Crushed Stone & Ore Pete Lien

Iron ore is primarily used in cement production at GCC in Rapid City, SD. Safety Data Sheet Iron Ore Super Slide. Super Slide Ball Field Aggregate was scientifically developed to create the perfect balance of strength & flexibility, providing your field with better “playability” in any condition.

(PDF) A Study on Utilization of Iron Ore Tailings as

The iron ore tailings aggregates concrete exhibited a good mechanical strength and even in the case of compressive strength, there was an improvement of 11.56% over conventional aggregates concrete.

On the Recovery of Hematite from an Iron Ore Fine Fraction

Electroflotation is a clean technique potentially able to recover fine particles from mineral suspensions. The aim of the present work was to evaluate the electroflotation of fines and ultrafine particles of an itabiritic iron ore using a biosurfactant extracted from Rhodococcus opacus bacteria. Infrared spectroscopy and zeta potential measurements confirmed the interaction between the

Properties of Sand Grout with Iron Ore Tailings as Fine

Innovative researches on properties of sand grout with iron ore tailings (IOT) as fine aggregate were conducted. The results show that exclusive ferrous mineral in the IOT is merrihueite beside quartz in both IOT and nature sand (NS). IOT have similar thermal stability with NS. Sand grout with IOT has higher compressive strengths resulted from existence of ferrous minerals and more complex

Utilization of iron ore tailings as replacement to fine

In the present study Iron Ore Tailings (IOT) procured from Kudremukh Lakya Dam site (KIOCL Ltd.) are used as partial replacement to fine aggregates at levels of 10, 20,30,40,50 percent and the

Effect of Iron Ore Tailings as Fine Aggregate on Pore

Effect of iron ore tailings as fine aggregate on pore structure of mortars has been studied in this paper. The purpose is to investigate, as fine aggregate, comparing to natural sand, whether the iron ore tailings can improve the pore structures of mortars or not. Pore structure parameters were measured with the instrument of MIP and calculated with corollary software.

UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE

UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES IN CEMENT CONCRETE PAVEMENTS

Properties of Sand Grout with Iron Ore Tailings as Fine

Innovative researches on properties of sand grout with iron ore tailings (IOT) as fine aggregate were conducted. The results show that exclusive ferrous mineral in the IOT is merrihueite beside quartz in both IOT and nature sand (NS). IOT have similar thermal stability with NS. Sand grout with IOT has higher compressive strengths resulted from existence of ferrous minerals and more complex

Utilization of iron ore tailings as fine aggregate in

Iron ore tailings Fine aggregate Strength Pore structure Microstructure abstract Iron ore tailings are a common type of hazardous solid waste in China and have caused serious environmental problems, and the high cost of producing ultra-high performance concrete (UHPC) provides the motivation to look for low-priced raw materials.

Technical and Environmental Feasibility of Interlocking

Sep 09, 2017· The present paper evaluates the technical and environmental feasibility of using iron ore tailings (IOTs) as fine aggregate in the production of interlocking concrete blocks. Initially, environmental, chemical, and physical characterizations of the tailings were carried out. Pavers with IOTs replacing natural aggregate in proportions from 10 to

Evaluation of the performance of iron ore waste as

Evaluation of the performance of iron ore waste as potential recycled aggregate for micro-surfacing type cold asphalt mixtures. Asphalt pavement maintenance requires large amounts of materials, and from the environmental point of view it is very important to look for alternative materials that improve the mechanical qualities of the pavement and one of the preventive maintenance options is to

Iron Ore: Sedimentary Rock Pictures, Definition & More

Earth's most important iron ore deposits are found in sedimentary rocks. They formed from chemical reactions that combined iron and oxygen in marine and fresh waters. The two most important minerals in these deposits are iron oxides: hematite (Fe 2 O 3) and magnetite (Fe 3 O 4). These iron ores have been mined to produce almost every iron and

saw dust as an alternative to fine aggregate in concrete

concrete coarse and fine aggregates. Saw dust 0.35–0.60 128–320 10 As an alternative method for reclaiming aggregates from the returned concrete in fresh 2.1 Materials 2.1.1 Cement. dust can be used as alternative using stone dust as fine aggregate and A. K,2003, Crushed stone waste as fine aggregate for Concrete. The

Iron ore Wikipedia

Lower-grade sources of iron ore generally require beneficiation, using techniques like crushing, milling, gravity or heavy media separation, screening, and silica froth flotation to improve the concentration of the ore and remove impurities. The results, high-quality fine ore powders, are known as fines. Magnetite. Magnetite is magnetic, and hence easily separated from the gangue minerals and

Crushed Stone & Ore Pete Lien

Iron ore is primarily used in cement production at GCC in Rapid City, SD. Safety Data Sheet Iron Ore Super Slide. Super Slide Ball Field Aggregate was scientifically developed to create the perfect balance of strength & flexibility, providing your field with better “playability” in any condition.

The Utilization of Waste as Iron Ore in Making Concrete

This research found that concrete using iron ore as an aggregate has a compressive strength higher than normal concrete that is equal to 38.90Mpa assuming greater size of iron ore as aggregate, the higher the Fe content, the size of escaped iron ore mesh aggregate 20, mesh 20,mesh 5, 8-10 mesh and 10-12 mm mesh respectively 47,460%, 38,346%

PREPARATIONS OF COMPOSITE CONCRETES USING IRON

iron ore tailings. Their flex-compression ratio was 1/6 and 10 % higher than that of the control group that used sand as the fine aggregate. The crack resistance of the iron ore tailings concrete was studied at the same time, and the microstructure was observed with an SEM.

SYNTHESIS OF KUDREMUKH IRON ORE TAILING BASED

investigation on the Iron ore tailing based interlocking paver blocks and experimental values shown that 5 to15% usage of iron ore tailing increases the compressive strength than conventional concrete. Shetima et al. [15] carried out the study on the replacement fine aggregate by iron ore tailing.

UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE

In the present study Iron Ore Tailings (IOT) procured from Kudremukh Lakya Dam site (KIOCL Ltd.) are used as partial replacement to fine aggregates at levels of 10, 20,30,40,50 percent and the basic material properties, strength parameters are studied. It is found that as the IOT percentage increases in the mix workability is reduced.

Utilisation of iron ore tailings as aggregates in concrete

The iron ore tailings aggregates concrete exhibited a good mechanical strength and even in the case of compressive strength, there was an improvement of The aim of this paper is to study the feasibility of using the iron ore tailings as both fine and coarse

Research Article The Influences of Iron Ore Tailings as

The Influences of Iron Ore Tailings as Fine Aggregate on the Strength of Ultra-High Performance Concrete ZhigangZhu,BeixingLi,andMingkaiZhou State Key Laboratory of Silicate Materials for Architecture, Wuhan University of Technology, Wuhan,China Correspondence should be addressed to Beixing Li; [email protected] ReceivedMarch ; Accepted August

Utilization of iron ore tailings as fine aggregate in

Iron ore tailings Fine aggregate Strength Pore structure Microstructure abstract Iron ore tailings are a common type of hazardous solid waste in China and have caused serious environmental problems, and the high cost of producing ultra-high performance concrete (UHPC) provides the motivation to look for low-priced raw materials.

Utilisation of iron ore tailings as aggregates in concrete

Sustainable handling of iron ore tailings is of prime concern to all stakeholders who are into iron ore mining. This study seeks to add value to the tailings by utilising them as a replacement for aggregates in concrete. A concrete mix of grade 40 MPa was prepared in the laboratory with water–cement ratio of 0.5.

UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE

In the present study Iron Ore Tailings (IOT) procured from Kudremukh Lakya Dam site (KIOCL Ltd.) are used as partial replacement to fine aggregates at levels of 10, 20,30,40,50 percent and the basic material properties, strength parameters are studied. It is found that as the IOT percentage increases in the mix workability is reduced.

Iron Ore: Sedimentary Rock Pictures, Definition & More

Earth's most important iron ore deposits are found in sedimentary rocks. They formed from chemical reactions that combined iron and oxygen in marine and fresh waters. The two most important minerals in these deposits are iron oxides: hematite (Fe 2 O 3) and magnetite (Fe 3 O 4). These iron ores have been mined to produce almost every iron and

Sustainable use of mine waste and tailings with suitable

The literature shows the potential use of iron ore tailings as a replacement of . natural fine aggregates. As natural sand reserves are d. epleting day by day, there is a need for substitution for . sand in concrete. A comprehensive overview of the published literature on the use of iron ore waste and .

saw dust as an alternative to fine aggregate in concrete

concrete coarse and fine aggregates. Saw dust 0.35–0.60 128–320 10 As an alternative method for reclaiming aggregates from the returned concrete in fresh 2.1 Materials 2.1.1 Cement. dust can be used as alternative using stone dust as fine aggregate and A. K,2003, Crushed stone waste as fine aggregate for Concrete. The

Iron ore Wikipedia

Lower-grade sources of iron ore generally require beneficiation, using techniques like crushing, milling, gravity or heavy media separation, screening, and silica froth flotation to improve the concentration of the ore and remove impurities. The results, high-quality fine ore powders, are known as fines. Magnetite. Magnetite is magnetic, and hence easily separated from the gangue minerals and

Crushed Stone & Ore Pete Lien

Iron ore is primarily used in cement production at GCC in Rapid City, SD. Safety Data Sheet Iron Ore Super Slide. Super Slide Ball Field Aggregate was scientifically developed to create the perfect balance of strength & flexibility, providing your field with better “playability” in any condition.

MECHANICAL PROPERTIES OF HEAVY WEIGHT CONCRETE

The concrete mix as per IS-10262-(2009) is used for M25 and M35 grades of concrete and in this only coarse aggregate is replaced with heavy weight hematite coarse aggregate and natural sand is used as fine aggregate and three levels of silica fume at 5%, 10% and 15% are used by weight of cement. All mixes are designed for 100mm slump.

Evaluation of the Iron Ore Tailings from Itakpe in Nigeria

Mar 04, 2014· An evaluation of the Itakpe iron ore tailings (IOT) for concrete production has been carried out using the material to replace sand and cement, in proportions of 5 % up to 30 %, and curing for periods 90 days in water. Characterization of the material showed that it has pozzolanic properties, and can be used as a retarder for hot-weather concreting.

Mangalore Tile Waste As Coarse Aggregate In Concrete

Use of Iron ore dust in concrete M as an alternative to normal aggregates. Conclusion. Clay tile chips can be used in concrete as a satisfactory aggregate to obtain good quality concrete and give strength. Replacing crushed stone aggregate (CSA) with clay tile chip aggregate (TCA) yielded a 7th day compressive strength of up to 14.2 N / mm2.

Review Paper on Partial Replacement of Fine Aggregate

production of aggregates through the crushing process of Keyword: concrete, industrial waste, mine waste, fine aggregate, partial replacement, sustainable construction, review paper 1. INTRODUCTION Concrete is a basic need in construction sector. Nowadays due to fast economic growth, rapid urbanization and