Research Article The Influences of Iron Ore Tailings as ...

Research Article The Influences of Iron Ore Tailings as Fine Aggregate on the Strength of Ultra-High Performance Concrete ZhigangZhu,BeixingLi,andMingkaiZhou

Utilisation of iron ore tailings as aggregates in concrete ...

2015-09-07· 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 as compared with similar work where only 20% of natural sand fine aggregates were replaced by iron ore …

effects of iron ore as fine aggregate - techstal.eu

for many kinds of hard and brittle materials such as all kinds of rock,abrasive,refractories,cement clinker,quartz stone,iron ore,concrete aggregate, etc.It is especially adopt to build.

Utilization of iron ore tailings as fine aggregate in ...

Read "Utilization of iron ore tailings as fine aggregate in ultra-high performance concrete, Construction and Building Materials" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Research Paper EFFECTS OF SUSTAINABLE MATERIALS AS …

iron ore, coke, limestone mixtures are fed into the blast furnace at 1500°. Two products are formed, namely molten slag (GGBS) and molten iron. The molten iron settles at bottom and the molten slag floats on top because of its lighter density. This molten slag is cooled with a high pressure water jets. Then drying and grinding in a rotating ball mill are done to get a very fine GGBS [9 ...

Evaluation of iron ore tailings as replacement for fine ...

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 decreases. In a related study, Bai et al.

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effects of iron ore as fine aggregate - cyberdynesystems.in

effect of iron ore tailings as aggregate - can aggregate of iron ore be used in high rise buildings, Utilization of iron ore tailings as fine aggregate in ultra-high, water ratio that can be used To illustrate the effect of different water ratios on .

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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 as fine aggregate - leehosea.com

effects of iron ore as fine aggregate for many kinds of hard and brittle materials such as all kinds of rock,abrasive,refractories,cement clinker,quartz stone,iron ore,concrete aggregate, etc.It is …

Cost Effective Concrete by Using Mangalore Tile …

Cost Effective Concrete by Using Mangalore Tile Wastages and Iron Ore Slag. Kotresh K.M 1, ... The replacement of coarse aggregate by tiles and sand by iron ore slag effects on the workability of the concrete. The workability of this proposed concrete shows an increase in slump with increase of waste content of total aggregate volume. The result of the normal concrete mix showed an increase in ...

Mines and environmental impact - SGU

Many Swedish mines use parts of the gangue as a resource, e.g. as aggregate for road construction or to refill mined rock chambers and open pits. Tailings . Tailings are a fine-grained residue, mainly consisting of gangue minerals that remain after the separation of valuable minerals and metals from their ore in a processing facility. Tailings are deposited in the vicinity of the mine and are ...

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.

An Experimental Study on Utilization of Iron Ore Tailings ...

2) Partial replacement of waste glass powder and iron ore tailings with cement and fine aggregate respectively and comparing the result with conventional concrete. 3) To determine the strength properties of concrete for 7, 28 and 56 days.

effects of iron ore as fine aggregate - residencesantagata.it

Concrete Using Red-Mud and Iron-Ore Slickens - scribd. Ordinary Portland Cement By Red Mud And In The Same material like iron and steel and ample reserve of iron ore in Mix Fine Aggregate Are Replaced By Iron Ore Slickens

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iron ore as fine aggregate - … California Gold vein formation, Rich gold quartz ore As a rule the Mother Lode deposits are large but of comparatively low grade, the average tenor being about $4 a ton.

effects of iron ore as fine aggregate - payurecharge.in

An Experimental Study on Utilization of Iron Ore Tailings ... An Experimental Study on Utilization of Iron Ore Tailings ... effects associated with cement manufacturing, ... fine aggregate in concrete.

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 ...

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 ...

Experimental Study on Iron Ore Tailings and Bottom Ash as ...

extraction of sand is having adverse effects on rivers, causing degradation of rivers. Hence, in this thesis the effectiveness of 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% and 50% bottom ash was ...

Research Paper EFFECTS OF SUSTAINABLE MATERIALS AS …

and Copper Slag as replacement for cement and fine aggregate simultaneously were studied. The Metakaolin replacement at The Metakaolin replacement at 5,10, 15, 20 and 25 % and GGBS replacement at 5,10, 15,20 and 25 % by the weight of cement were used respectively.

Evaluation of iron ore tailings as replacement for fine ...

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.

Evaluation of iron ore tailings as replacement for fine ...

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.

Utilization of iron ore tailings as fine aggregate in ...

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 mechanical properties of UHPC. Additionally, the ...

A Novel Model of Aggregate Gradation for Autoclaved …

The iron ore tailings and barren rocks, used as fine aggregates and coarse aggregates respectively, were from the Jinshandian Iron Ore Co. Ltd. of the Wuhan Iron and Steel Group in China. The barren rocks were crushed by a jaw crusher and a roll crushing mill successively. The X-ray diffraction (XRD) patterns of the tailings and crushed barren rocks are shown in

Study on Utilization of Iron Ore Tailings as Fine ...

2 Fine Aggregate (Iron ore tailings) 0.38 M3 0 0 3 Coarse aggregate 0.62 M3 900 550 Total= 2150Rs Add 2% water charges= 43.00Rs Add 2% for transportation of mining waste= 43.00Rs Grand Total= 2240Rs IS CODES CONCLUSION The following conclusions are drawn based on the above experimental study. Iron ore tailings can be efficiently used in place of fine aggregate to gain good …