The utilisation of iron ore tailings as aggregates in concrete could have positive environmental implications to the mining companies and the mining communities and will provide cheaper alternative materials to bring about economy in concrete production...
176 The BEBO Arch-System Tunnel at Hibbing Taconite used coarse taconite tailings as granular base and backfill material 176 Numerous other county and municipal roadway and airport construction projects have successfully used taconite tailings as an alternative for aggregate...
During ore processing, fine tailings, or waste rock low in iron content, are mixed with water and pumped as a slurry through a pipeline to an upland storage basin about three miles away...
Advances in Materials Science and Engineering is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles in all areas of materials science and engineering , The Influences of Iron Ore Tailings as Fine Aggregate on the ,...
Experiments were conducted to determine the suitability of iron ore tailings and quarry dust as fine aggregates replacement of river sand for concrete production, and thereby to utilize the enormous quantities of wastes from Itakpe mines and the numerous granite quarries in Nigeria to address concerns of environmental pollution...
However, the tensile strength exhibited by the iron ore tailings aggregates concrete in this work increased favourably with ageing and there is 48 improvement as compared with similar work where only 20 of natural sand fine aggregates were replaced by iron ore tailings ,...
Abstract Iron ore tailing IOT is a waste product of Iron Ore after manufacture, the wastes are environmental unfriendly as it poses serious problem of disposal, but can be used as a replacement in concrete mixture The aim of this research is to...
The iron ore tailings aggregates concrete exhibited a good mechanical strength and even in the case of compressive strength, there was an improvement of 1156 over conventional aggregates concrete...
The specific gravity of mill tailings, based on limited data, appears to range between 260 and 335, with most tailings having values under 30 except for iron ore and taconite tailings The dry rodded weight of most mill tailings is likely to range from 1450 to 2200 kg/m 3 3 90 to 135 lb/ft 3...
Iron ore tailings consists of ultra-fine iron ore particles having diameter less than 150 181 m, hence generally discarded Utilization of such mineral wealth is , The successful utilization of iron ore tailing IOT as fine aggregate would turn this waste material into valuable resources, reduction in the strain on supply of natural sand and ....
Evaluation of the iron ore tailings from Itakpe in Nigeria as concrete material Elinwa Augustine Uchechukwu 1, Mbi Juliana Ezekiel2 1Civil Engineering Department, , Fine aggregate replacement levels were 5 , 10 , 20 , and 30 , by mass of IOT and cement replacement levels...
Iron ore tailings and crushed glass wastes have the potential to be used as fine aggregate because they are relatively inert and particle size of these wastes material is larger than that of the ....
Zhang et al also investigated properties of concrete with iron ore tailings and manufactured sand as fine aggregate They reported that the drying shrinkage of mixed sand is less than river sand concrete and with increase in IOT the drying shrinkage of mixed sand decreas...
Iron tailings are the rest parts of the original iron ore after choosing iron and If iron tailings are used as fine aggregate in concrete, which can iron ore tailings as fine aggregate » Get Price Effect on Workability of Concrete due to Partial Replacement of,...
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 ....
ore tailings IOTs and crushed waste rock CWR as fine and coarse aggregates to prepare high strength concrete HSC with 28-day target compressive strength of 80 MPa...
Iron ore tailings and crushed glass wastes have the potential to be used as fine aggregate because they are relatively inert and particle size of these wastes material is larger than that of the cement...
Use of Zinc, Iron, and Copper Tailings as a Fine Aggregate in Concrete, International Conference on The Use of Fly Ash, Silica Fume, Slag and Other Mineral By-Products in Concrete, Montebello, Québec, Canada, August, 1983...
that the 100 replacement of natural aggregate by Iron ore tailings significantly replaced the workability and compressive strength of material However when the ,...
Effect of Iron Ore Tailing on the Properties of Concrete -, The use of iron ore tailing IOT from Itakpe mines near material made primarily with Cement, fine aggregates, water and coarse iron ore tailing IOT as fine aggregate would turn this waste material into valuable resources, reduction in the...
Similar observation has been highlighted by Shettima et al 13 when solid waste known as iron ore tailing were integrated as partial fine aggregate replacement in concrete...
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 ....
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...
Recycling and Utilization of Mine Tailings as Construction Material through Geopolymerization Lianyang Zhang, PhD, PE Department of Civil Engineering and Engineering Mechanics...
For example 200 10 6 tonnes of iron ore tailings are stored in a dam at Kudremukh in India Such wastes can be utilized for the manufacture of bricks/blocks, substitute for fine aggregates in concrete, partial replacement of cement in concrete, lime-pozzolana cements, etc...
Iron ore tailings are mainly composed by iron oxides, silica and alumina, resulting in a fine, dense, stable and crystalline material BASTOS et al, 2016 , technically feasible to be employed in ....
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The Influences of Iron Ore Tailings as Fine Aggregate on the , Aug 30, 2015 , Introduction , The management of iron ore tailings not only needs a lot of money, but also can cause serious impacts on the environment how, Contact US Effect of Partial Replacement of Sand by Iron Ore Tailings on ....
Read Evaluation of iron ore tailings as replacement for fine aggregate in concrete, Construction and Building Materials on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips...
ppt for utilization of iron ore tailings in concrete Utilisation of iron ore tailings as aggregates in , Utilisation of iron ore tailings as aggregates in , make the new concrete The iron ore tailings ,...