Utilisation of iron ore tailings as aggregates in concrete
However, the tensile strength exhibited by the iron ore tailings aggregates concrete in this work increased favourably with ageing and there is 4.8% improvement …
Experimental and Statistical Evaluations of Strength …
For example, iron ore tailings was used by many researches to substitute fine aggregate in concrete [19][20] [21] [22], the findings of these investigations showed that concrete formulated with ...
Concrete Made with Iron Ore Tailings as a Fine Aggregate: A …
When compared to reference concrete, the TS shown by the concrete with iron ore tailings aggregate improved by 4.8% with age . However, because of the …
(PDF) Iron Ore Tailings as Partial Replacement for Fine …
ore tailings and bottom ash as fine a ggregates in. concrete. They r eplaced fine aggregate with 10%, 20%, 30%, 40%, and 50% iron ore tailings and with …
Characterization of Iron Ore Tailings as Fine Aggregate
DOI: 10.14359/51720305 Corpus ID: 213665269; Characterization of Iron Ore Tailings as Fine Aggregate @article{Oritola2020CharacterizationOI, title={Characterization of Iron Ore Tailings as Fine Aggregate}, author={Sikiru Folahan Oritola and Abd.
Utilisation of iron ore tailings as aggregates in concrete
Sustainable handling of iron ore tailings is of prime concern to all stakehold-ers who are into iron ore mining. This study seeks to add value to the tailings by utilis-ing them as a …
UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES …
Iron Ore Tailings (IOT) are the waste slag resulted from iron ore mines. Large amount of Iron Ore Tailings (IOT) have been generating every year posing serious environmental problems, large production of cement everyday resulting the emission of CO 2 and increase in the consumption of river sand for construction activities making the river beds over …
Evaluation of iron ore tailings as replacement for fine aggregate in
Utilization of iron ore tailings as fine aggregate in ultra-high performance concrete. Constr. Build. Mater., 50 (2014), pp. 540-548. View PDF View article View in Scopus Google Scholar [12] E.A. Uchechukwu, M.J. Ezekiel. Evaluation of the iron ore tailings from Itakpe in Nigeria as concrete material.
(PDF) A Study on Utilization of Iron Ore Tailings as Partial
Concrete is the basic material in all construction works and fine aggregates constitute nearly 30-40% of the mix. But the procurement and generation of natural fine aggregates, i.e., sand is ...
Study on Utilization of Iron Ore Tailings as Fine Aggregates …
Abstract – In this study, M20 grade of concrete was produced 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 …
Effect of Iron Tailings as Fine Aggregate and Mineral …
Iron ore tailings, as fine aggregate, reduce capillary macroholes and improve mortar transitional zones compared to natural sand. According to Sunil et al., …
UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT …
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
Preparations of composite concretes using iron ore tailings as 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 ...
Characterization of iron ore tailings as fine aggregate
Characterization of iron ore tailings as fine aggregate. Iron ore tailings (IOTs) are common industrial solid waste products which are generated in enormous quantities during the production process of iron ore. By visual observation, this material shows some similarity with natural sand (NS); it was therefore desired to characterize the IOTs to ...
Effect of Iron Ore Tailings as Fine Aggregate on Pore
In this study, the effect of Iron Ore Tailings (JOT), as fine aggregate in mortars, on microstructure and compressive strength with 14 days was observed on mortar specimens. The replacement ratios ...
Effect of Iron Ore Tailings as Fine Aggregate on …
In this study, the effect of Iron Ore Tailings (JOT), as fine aggregate in mortars, on microstructure and compressive strength with 14 days was observed on mortar specimens. The replacement ratios ...
Damage evaluation of concrete using iron ore tailings as aggregates …
Using iron ore tailings (IOTs) as the main aggregate for concrete will not only save crushed stone mining but will also reduce the environmental impact of IOTs. A discrete element model of concrete with realistic IOTs shape was developed using particle flow coding 3D technique. The accuracy of the numerical model was verified with the …
Utilization of Iron Ore Tailings as Fine Aggregates in Concrete
For iron ore and concrete producers, using iron ore tailings as fine aggregate to produce concrete is an effective method of recovering iron ore tailings. Iron tailings can be made into iron tailing sand, which is mixed with conventional aggregates such as artificial sand to produce concrete that meets demand, such as C50 concrete.
(PDF) Iron Ore Tailings as Partial Replacement for Fine Aggregate …
Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate [7], and have been used by many researchers as a replacement for fine aggregate in concrete production [8][9][10][11], [12][13]–[16] This paper is about the review of various research works on the nature of IOT and its effects ...
Characterisation of Iron Ore Tailings as Fine Aggregates …
Proceedings of the 9ICEG 9th International Congress on Environmental Geotechnics 25-28 June, 2023 | Chania, Greece Characterisation of Iron Ore Tailings as Fine Aggregates …
Experimental and Statistical Evaluations of Strength Properties …
Iron ore tailings (IOT) are the by-products of iron ore beneficiation, and these tailings are disposed of in several tons annually in quarries, landfills, and tailings dams, causing environmental issues. Various researchers have attempted to study the properties of IOT and the use of them in concrete as a building material.
Effect of dumped iron ore tailing waste as fine aggregate …
The present study investigates the effects of utilizing dumped waste as a practical resource for making concrete. In this regard, waste marble powder used a filler material replacing a smaller constant portion of cement, dumped iron ore tailings (IOT) were used as a partial replacement for fine aggregate in different proportions. Since …
Utilization of iron ore tailings as fine aggregate in ultra-high
Natural sand and iron ore tailings were used as aggregates. The natural sand was originally excavated from the lower reaches of Yangtze River and had an apparent density of 2.63 g/cm 3.The tailings were obtained from the local iron and steel …
Evaluation of iron ore tailings as replacement for fine aggregate …
Iron ore tailings. Iron ore tailings (IOT) were obtained from one source in Johor; a southern. Mixture proportion. Table 3 shows mix proportions design in accordance to the exposure classes of BS EN206-1 [24] standard specification for grade C37 concrete. The coarse aggregate used was 10 mm single size. The designed water/cement ratio …
Effect of iron ore tailings as partial replacement to fine …
The use of industrial solid waste-iron ore tailings (nes) as aggregates has been found feasible. It has been seen that as the IOTs get bigger, the tensile strain capacity of mortar mixes goes down. Kangning et al. [43] examined ... Fine aggregate . Innovative Infrastructure Solutions (2024) 9:8 10) = the ; S =
Development of green engineered cementitious composites using iron ore
IOT sand was first used by Huang et al. [12] as a mortar fine aggregate to make iron ore tailings cement mortar (IOTC), and researchers compared its performance with natural sand cement mortar ...
Comparision Of Strength By Replacing Iron Ore Tailings And …
The results show that adding more iron ore tailing and bottom ash to concrete mixes increases both the compressive and tensile strength. The ideal replacement levels of these materials were found to be 60% iron ore tailing, 15% bottom ash, and 25% fine aggregate. KeywordsIron ore tailings(IOT) and Bottom ash(BA) I. INTRODUCTION
Utilization of iron ore tailings with high volume in green …
Abstract. In this study, the potential of converting iron ore tailings (IOTs) into sustainable building materials was explored. IOTs were combined with fly ash (FA) and …
Evaluation of iron ore tailings as replacement for fine …
The fine aggregate (river sand) and coarse aggregates used for this study were natural and locally sourced. A Polycarboxylic ether based superplasticizer that …
Effect of Iron Tailings as Fine Aggregate and Mineral …
To investigate the application of iron tailings in cement-based materials as fine aggregate and mineral admixture, six iron tailings sands were selected from different places of origin, and the methods of acid and alkali activation were adopted to increase the activity of tailings powder. The strength of mortar was evaluated and the composition …