WEBPDF | On Jan 1, 2018, Lin Yang published Preparation of UHPC with cement replaced by richsilicon iron ore tailing powder | Find, read and cite all the research you need on ResearchGate
WEBJun 7, 2021 · Particularly, iron ore tailings (IOT) as ordinary industrial solid waste in China is discharged and deposited. ... and YB/T 4561–2016 [28], there are three types of IOT: iron tailings powder, iron tailings super fine sand, iron tailings fine sand. However, in most previous researches, IOT mainly covers three egories: (i) iron tailings rock ...
WEBDec 4, 2021 · The aim of this research is to test the characteristics of concrete by substitute fine aggregate with iron ore tailings and partial glass powder as in the place of cement. Concrete with waste products such as glass powder and iron ore tailings offer technical, economic and environmental advantages. In this experimental investigation, glass .
WEBMar 16, 2021 · The use of iron tailing powder (ITP) could be considered an ideal alternative cementitious material in concreterelated appliions, because of its abundant storage and lowcost . Meanwhile, the outstanding pozzolanic reactivity [ 21, 22 ] and the filling effect of ITP particles enable it to replace cement partially, thereby reducing the .
WEBMar 1, 2019 · In this study, h and 1 h of wet grinding was applied to pretreat iron ore tailing powder (TP), and the divergence in pozzolanic behavior and morphology were investigated. Then, the treated TPs ...
WEBMar 1, 2024 · DOI: / Corpus ID: ; Effects of siliceous iron tailings powder on performances of interface transition zone in concrete article{Cheng2024EffectsOS, title={Effects of siliceous iron tailings powder on performances of interface transition zone in concrete}, author={Yunhong Cheng and .
WEBApr 1, 2024 · Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately –3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7].In 2019, .
WEBDOI: / Corpus ID: ; Study on waterrepellent and corrosionresistant properties of cement mortar using superhydrophobic iron ore tailings
WEBPDF | On Jan 1, 2022, Juan Gabriel BastidasMartínez and others published Effects of Iron Ore Tailing on Performance of HotMix Asphalt | Find, read and cite all the research you need on ResearchGate
WEBOct 1, 2017 · It was found that iron ore tailings could be mixed with cement and fly ash at appropriate ratios to make concrete products that possess certain compressive and flexural strengths.
WEBSep 1, 2020 · The aim of this research is to test the characteristics of concrete by substitute fine aggregate with iron ore tailings and partial glass powder as in the place of cement. Concrete with waste . Expand. 2. PDF. Save. Study on Properties of Concrete with Iron Ore Tailing and Glass Waste.
WEBJan 12, 2024 · The mining industry has been expanding and consequently increasing the associated environmental impacts, especially regarding this process's high volume of iron ore tailings (IOT) disposal. The best way to solve the problems caused by IOT is to develop largescale utilization technologies that may consume large quantities of it.
WEBApr 11, 2023 · To investigate the appliion of iron tailings in cementbased 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 .
WEBResource utilization of iron tailings powder is an effective measure to reduce the dambreak risk of an iron tailings reservoir. Adding polypropylene fiber to iron tailings powder can improve its shear performance. Direct shear tests were carried out on reinforced iron tailings powder with polypropylene fiber with dosages of 0%, %, %, %, and .
WEBNov 15, 2023 · The limited cementitious activity of steel slag (SS) powder restricts its largescale utilization as a replacement material for Portland cement and even more so for inert iron ore tailings (IOT). The microIOT (MIOT) were utilized as additives to improve the compressive strength and hydration degree of a binary system containing SS and PC. .
WEBSep 21, 2023 · The world reserves of iron ore are around 170 billion tons. More than billion tons of iron ore were processed in 2019, in which % correspond to the world's largest producer, Australia ...
WEBPDF | On Jan 1, 2019, K. Behera and others published Production of Construction Bricks Using Iron Ore Tailings and Clay: Proceedings of 6th IconSWM 2016 | Find, read and cite all the research you ...
WEBIron ore tailing is a major solid waste requiring advanced recycling methods because ore tailing powder is polluting air and water resources. For instance, about 300 million tons of tailings are disposed yearly in 1229 iron ore tailings dams in the Hebei province in China. Iron ore tailings can be recycled as functional materials because these tailings are .
WEBIn order to study the effects of iron tailings powder on the mechanical performance of alkaliactivated slag foam concrete, alkaliactivated slag concrete doped with powdered iron ore tailings was made into 100mm×100mm×100mm cube specimens, which was respectively cured 3 days, 7 days and 28 days. Then the compressive strength of .
WEBNov 25, 2023 · Iron ore tailings (IOTs) are byproducts of the iron mining industry that have gained significant attention in recent years due to their potential for comprehensive utilization. ... Aluminum powder is the most commonly used foaming agent in the production of AAC, and lime hydration provides the necessary alkaline environment for .
WEBApr 10, 2021 · The aim of this research is to test the characteristics of concrete by substitute fine aggregate with iron ore tailings and partial glass powder as in the place of cement. Concrete with waste . Expand. 2. PDF. 1 Excerpt; Save. Study on crack resistance of cementstabilized iron tailings.
WEBNov 1, 2023 · Iron ore tailings (IOTs) was the residual solid waste that remained after the extraction of iron from iron ore [1,2], which was typically deposited in tailings ponds. Leakage or spillage from the tailings pond can result in the release of harmful substances into the surrounding soil, groundwater, and rivers, causing contamination of water and ...
WEBJan 15, 2020 · Iron ore tailings (IOTs), as a mineral waste generated from iron ore processing, are discharged annually with the rapid global development of iron and steel industries ... Changsha Tianchuang Powder Technology Co., Ltd., China) operating at a frequency of 50 Hz, a power of kW and a rotation speed of 500 rpm. ...
WEBJan 1, 2022 · Semantic Scholar extracted view of "Influence of iron tailing powder on properties of concrete with fly ash" by Fanghui Han et al. ... Effects of iron ore tailings on the compressive strength and permeability of ultrahigh performance concrete. Weifeng Zhang X. Gu Jingping Qiu Jianping Liu Yunqi Zhao Xiaohui Li.
WEBFeb 14, 2024 · Solid waste management is a critical issue worldwide. Effectively utilizing these solid waste resources presents a viable solution. This study focuses on Iron ore tailings (IOTs), a solid waste generated during iron ore processing, which can be used as supplementary cementitious materials (SCMs) but have low reactivity, hindering their .
WEBFeb 14, 2024 · Download Citation | Sustainable assessment and synergism of ceramic powder and steel slag in iron ore tailingsbased concrete | Solid waste management is a critical issue worldwide. Effectively ...
WEBDOI: / Corpus ID: ; Iron ore tailings as a supplementary cementitious material in the production of pigmented cements article{Magalhes2020IronOT, title={Iron ore tailings as a supplementary cementitious material in the production of pigmented cements}, author={Luciano Fernandes de .
WEBAug 1, 2023 · The high carbon emissions in the construction industry and the largescale storage of high silicon iron ore tailings (IOTs, SiO 2 > 60% wt., Fe 2 O 3 > 10% wt.) associated with mining pose a serious challenge to sustainable development. Therefore, using IOTs as a replacement for cement to produce supplementary cementitious .
WEBIn this research, iron ore tailing (IOT) is utilized as the cementitious material to develop an ecofriendly ultrahigh performance concrete (UHPC). The UHPC mix is obtained according to the modified Andreasen and Andersen (MAA) packing model, and the applied dosage of IOT is 10%, 20%, and 30% (by weight), respectively. The calculated packing .
© DZCrusher - كل الحقوق محفوظة
