Production of Construction Bricks Using Iron Ore Tailings
2.1 Preparation of Materials. The iron ore tailings used in the study were sourced from tailing dam (Fig. 2b) of beneficiation plant at Barbil iron ore mine of Odisha state, India. Processed clay was procured from a local established fired clay brick manufacturing company, particularly to take advantage of the traditional knowledge of …Web
اقرأ أكثرEffect of Red Mud and Iron Ore Tailings on the …
In this paper self-compacting concrete is prepared by partially replacing cementitious material by red mud (RM) and in the same mix partially replacing sand by iron ore tailings. Cementitious material in the mixture …Web
اقرأ أكثرUtilisation of iron ore tailings as aggregates in concrete
Utilisation of iron ore tailings as aggregates in concreteWeb
اقرأ أكثرUtilisation of iron ore tailings as aggregates in concrete
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 ... A concrete mix design of grade 40 MPa with a water–cement ratio of 0.5 and a mix design ratio of 1:2:3 (cement:fine aggregates:coarse aggregates) was prepared in the ...Web
اقرأ أكثرUtilization of iron ore tailings with high volume in green concrete
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 ground granulated blast-furnace slag (GGBFS) to prepare IOTs-based supplementary cementitious materials (SCMs). A concrete mix using IOTs-aggregate was also …Web
اقرأ أكثرUtilization of tailings in cement and concrete: A review
SEM images of iron ore tailings [28] ... is an important property of fresh mortar or concrete mix-tures [39]. It was found that the ow of mortar decreased. with increasing tailing substitution ...Web
اقرأ أكثرEffect of iron ore tailings as partial replacement to fine …
The optimum compression strength is achieved for the mix containing 10% iron ore tailings. After the beneficiation of iron ore, the waste is generated, which arise many environmental issues for both …Web
اقرأ أكثرUtilization of iron ore tailings with high volume in green concrete
Lei Zhang Add to Mendeley https://doi/10.1016/j.jobe.2023.106585 Get rights and content Highlights • Cement and aggregate can be simultaneously replaced in …Web
اقرأ أكثرStudy on water-repellent and corrosion-resistant
The iron ore tailings (IOTs) (<0.5 mm) were purchased from Laizhou Iron Mine in China. Main chemical composition of IOTs are shown in Table 1. ... to prepare IOTs-based supplementary cementitious materials (SCMs). A concrete mix using IOTs-aggregate was also prepared. The aim was to address the challenge of producing high …Web
اقرأ أكثرStudy on Properties of Concrete with Iron Ore Tailing and Glass …
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, …Web
اقرأ أكثرBaligar Santosh and Dr. KG Guptha
High density concrete is used mainly in radiation shielding in hospitals, store nu 3.5 to 4.5 in naturally available minerals fiber volume fraction used in concrete in the range of 0.5 to 1.5 %. Beyond which may pose the existing mix which had many issues in achieving desired output. These parameters are which isWeb
اقرأ أكثرEvaluation of iron ore tailings as replacement for fine aggregate in
Concrete containing iron ore tailings (IOT) enhances compressive and splitting strengths. IOT concrete improves durability properties and resists carbonation. …Web
اقرأ أكثرEffects of Iron Ore Tailing on Performance of Hot-Mix Asphalt
In Brazil, large quantities of iron ore tailings (IOT) are produced as a result of iron mining, which may affect the environment negatively. This work evaluated the use of IOT in hot mix asphalt type C (HMA-C). For this purpose, IOT was incorporated as a filler (at 1% in relation to the total mass of HMA-C).Web
اقرأ أكثرUltra-high-performance concrete with Iron ore tailings and non …
Iron ore tailings Non–metallic fibers Basalt fiber Polypropylene fiber Glass fiber 1. Introduction 1.1. General The construction industry has seen a wide variety of …Web
اقرأ أكثرEffect of Iron Ore Tailing and Glass Powder on Concrete Properties
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 ...Web
اقرأ أكثرIron Ore Tailings as Partial Replacement for Fine Aggregate in Concrete
The mix with only sand as fine performed tests on permeability, frost resistance, and aggregate served as the control mix, while sand was carbonation resistance for the concrete specimens with replaced in the other mixes with 5, 10, 15, and 20% of an optimal amount of iron ore tailings, and the iron ore tailings (IOT).Web
اقرأ أكثر(PDF) New heavy aggregate for offshore petroleum pipeline concrete
The results of dry density of hematite iron ore concrete mix. are recorded in Table 4. 2.2.3. Coupon and proctor densities. Dry densities obtained for Coupon samples; usually the sam-Web
اقرأ أكثر(PDF) Sustainable use of mine waste and tailings with suitable
concrete mix, 40% of coarse aggregates were replaced with iron ore tailings and concrete blocks were made for 28 day s curing. It resulted in th e compressive strength of 21.93MPa to that ofWeb
اقرأ أكثر(PDF) Experimental Study on the Mechanical behaviour of Concrete …
Experimental investigations were conducted to study the compressive strength, physical, mechanical and fresh property of concrete containing iron-ore waste. During the experiment, concrete cubes were prepared with 10- composition of iron ore waste to evaluate their compressive strength.Web
اقرأ أكثرGround Granulated Blast Furnace Slag in Concrete & its …
The ground granulated blast furnace slag (GGBFS) is a by-product of iron manufacturing which when added to concrete improves its properties such as workability, strength and durability. This material is obtained by the heating of iron ore, limestone and coke at a temperature about 1500 degree Celsius. The process is carried out in a blast furnace.Web
اقرأ أكثرMix proportion of concrete mixes incorporating iron ore tailings
Three kinds of concrete (ordinary concrete, concrete with iron tailings sand (ITS), and concrete with ITS modified by polypropylene fibers) were exposed to drying-wetting cycles in 5% Na2SO4 ...Web
اقرأ أكثرUtilization of Iron Tailings Sand as an Environmentally Friendly
One way of disposing of these iron ore tailings is to utilize in-concrete production after the crushing and screening process [4,6], which could also alleviate the shortage of river sand . ... Table 4 provides mix proportions of concrete incorporating iron tailings sand. Studies [7,11,12,13] have shown that iron tailings sand could be used in ...Web
اقرأ أكثرUtilization of tailings in concrete products: A review
Iron: compressive strength of concrete: The mix design ratio of 1:2:3 (cement:fine aggregates:coarse aggregates) 33.12 (ref. concrete) 36.95 (tailings concrete) ... Synthetic gravel for concrete obtained from sandy iron ore tailing and recycled polyethyltherephtalate. Constr. Build. Mater., 151 (2017) ...Web
اقرأ أكثرExperimental Study on the Properties of Concrete Mixed with Iron …
Abstract. The objective of this study is to evaluate the modified performance of concrete with mixing of iron ore tailings in order to solve the shortage of natural sand …Web
اقرأ أكثرAN EXPERIMENTAL INVESTIGATION ON BITUMINOUS CONCRETE BY USING IRON ORE
A comparative study on the Optimum percentage replacement with iron ore tailings Using this material to replace and cement in a concrete mix, in various percentages from 5% up to 30%, curing for a period of up to 90 days in the process, the material was found to have similar characteristics with that of pozzolana, one of which was that the ...Web
اقرأ أكثرUtilisation 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 …Web
اقرأ أكثرDownload .nbib
Ismail and Al-Hashmi conducted a sequence of experimental tests on the mechanical behavior of concrete made from abandoned iron ore tailings in Iraq, and the findings showed that it performed better than regular concrete and displayed greater …Web
اقرأ أكثر(PDF) Utilization of iron tailings as fine aggregates in low-grade
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 ...Web
اقرأ أكثرUtilization of tailings in cement and concrete: A review
For example, the content of SiO 2 in phosphate tailings is 2.1, in contrast to the 75.23 in iron ore tailings. Even if there were all lead-zinc tailings or iron ore tailings, the variation content of SiO 2 is 15.50-69.92 in the lead-zinc tailings or 24.19-75.23 in the iron ore tailings. As a result, if tailings are only classified according to ...Web
اقرأ أكثرUltra-high-performance concrete with Iron ore tailings and non …
Conventional fine aggregate (river sand) was replaced with 30% volume of iron ore tailings that had passed through the 600-micron sieve to achieve this. The sieved IOT used in the concrete mix can be seen in Fig. 2, while Fig. 3 shows the gradation curve for the material. 2.1.4. Chemical admixtureWeb
اقرأ أكثر