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Dissertations / Theses on the topic 'Tailings'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Priscu, Caius. "Behavior of mine tailings dams under high tailings deposition rates." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0024/NQ50240.pdf.

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2

Knutsson, Roger. "Tailings Dam Performance : Modeling and Safety Analysis of a Tailings dam." Licentiate thesis, Luleå tekniska universitet, Geoteknologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18084.

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Storage and management of mine waste are both needed in the mining industry. After mineral extraction of the ore, there are generally leftovers with insufficient economical value that need to be taken care of. The finest grained fractions are referred to as tailings. Since every mine site and every tailings impoundment is unique, there is unfortunately not an universal answer to proper management that can be applied everywhere. Even though local guidelines and regulations can be considered to give a best practice in terms of design, there is correspondingly a need for dam safety stewardship on

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3

Bhanbhro, Riaz. "Mechanical Behavior of Tailings : Laboratory Tests from a Swedish Tailings Dam." Doctoral thesis, Luleå tekniska universitet, Geoteknologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-62534.

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Tailings is leftover material from mining industry and is produced in huge quantities approximately 70-99% of the ore production. Tailings material is stored as impoundments by constructing tailings dams which are often constructed with tailings material itself. Tailings are artificial material and the mechanical behavior of tailings material upon loading is different as compared to natural soil materials. There are number of dam failures reported every year which has severe impact on inhabitants and environment nearby. Considering the failures of tailings dams and consequences there is a nee

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4

Bhanbhro, Riaz. "Mechanical Properties of Tailings : Basic Description of a Tailings Material from Sweden." Licentiate thesis, Luleå tekniska universitet, Geoteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-16952.

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Tailings dams are constructed to store waste material from mining industry and usually these dams are raised with time depending upon production rate. Tailings material is sometimes used in construction of tailings dams. Tailings are artificial material and the behavior of tailings material upon loading is different compared to natural soil materials. The mechanical properties of tailings have influence on the performance of a tailing dam. Since the tailings dams are constructed to withstand for long times, it is essential to understand tailings materials in depth in order to assure safe exist

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5

Brisson, Patrick. "Unsaturated flow in tailings." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/27229.

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The work presented in this document is two-fold. The major part of the work described herein, involved designing and building an apparatus to determine the unsaturated coefficient of permeability of mine tailings in a laboratory environment. The Modified Permeameter was built based on a permeameter used by Meerdink et al (1996) which was used with compacted clay samples. The modifications include using a large size sample; the ability to accommodate mobile sensors to alleviate the problems associated with the formation of water pockets and to use the same test specimen and determine the SWCC a

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6

Fitton, Timothy, and tfitton@hotmail com. "Tailings beach slope prediction." RMIT University. Civil, Environmental and Chemical Engineering, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080212.120813.

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Tailings (mining waste) disposal is a significant consideration for the mining industry, with the majority of the ore processed in most mining operations ending up as tailings. This creates large volumes of tailings, which must be handled and stored responsibly to avoid potential environmental catastrophes. The most common form of tailings storage facility is the impoundment, where tailings are contained within a basin, with beaches forming around the perimeter of the impoundment and a pond standing in the middle. A relatively new method of tailings storage is to create a 'stack', whereby t

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7

Durve, C. "Flow through tailings dams." Thesis, Open University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375642.

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This thesis deals with the study of flow through tailings dams. Examination of the current practices led to the construction of a valid experimental model. A unique system of instrumentation was developed, which was employed successfully to measure pore water pressures accurately and thus provide the necessary information to locate the position of the phreatic surface. Using the developed technique, models of tailings dams were constructed and monitored and it was discovered that a major deviation in the expected position of the phreatic surface occurred in a tailings dam. Further investigatio

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8

Anchiraico, Anthony, José Bazo, Vidal Aramburú, and Carlos Raymundo. "Reuse method for deposits of polymetallic tailings in a state of abandonment through the application of mineral flotation." Springer Science and Business Media Deutschland GmbH, 2019. http://hdl.handle.net/10757/656289.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.<br>In the mining industry, due to the extraction and processing of ore, a significant amount of tailings are produced which are discharged into deposits. In some cases, these are in contact with effluents and generate acid waters that pollute the environment and affect the health of the inhabitants. Additionally, these tailings within their composition contain valuable metals that can be reused through a process of mineral flotation. As a part of

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9

Van, den Berg Mader J. "Western limb tailings reclamation project." Diss., Pretoria : [s.n.], 2004. http://upetd.up.ac.za/thesis/available/etd-07272005-100249.

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10

Tang, Juliana. "Fundamental behaviour of composite tailings." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq22680.pdf.

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11

Welch, Jonathan Paul. "Water flow through tailings dams." Thesis, Durham University, 1993. http://etheses.dur.ac.uk/5523/.

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Water levels in tailings dams are generally lower than those of standard earth dams. Previously, other authors have shown that embankment geometry and variation in permeability can be responsible for a concave upwards steady state seepage line. These factors are investigated in greater detail using a finite element program to model flow in the saturated portion of the embankment. It is shown that the angle of the upstream slope only has an appreciable effect on the form of the seepage line if the pond is close to the downstream face of the dam. An increasing permeability in the direction of fl

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12

Chernoloz, Oleksiy, and Oleksiy Chernoloz. "Cataloging Tailings Dams in Arizona." Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/625329.

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Tailings storage facilities (TSFs) and conventional water retaining dams are the largest manmade structures on Earth. Statistics show that TSFs are more likely to fail than water retaining dams.Recent catastrophic failures of TSFs have led to the loss of lives (Germano mine, Brazil), environmental damage (Mount Polley, Canada), contamination of drinking water (Baia Mare, Romania), and the destruction of property (Kingston Fossil Plant, USA). As the scale of mining increases, TSFs increase in height and volume, therefore increasing the consequence of failure. To help mitigate risk associated wi

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13

Yang, Fenghua. "Geopolymerization of Copper Mine Tailings." Thesis, The University of Arizona, 2012. http://hdl.handle.net/10150/268596.

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Geopolymerization is a chemical reaction process, reacting SiO₂ and Al₂O₃ with alkaline solutions, which can transform aluminosilicate solids or particles to polymer materials. Geopolymers have many engineering applications such as cementation binders for construction and solidification or encapsulation of hazardous heavy metals. Mine tailings mainly consist of SiO₂ and Al₂O₃. Theoretically, mine tailings can be used as source materials for geopolymerization. However, for most researchers, they use fly ash, metakaolin or furnace slag as source minerals, because these minerals are much more rea

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14

Tisch, Bryan. "Studies on the use of depyritized tailings, gold tailings, sewage incinerator ash and granulated slag as cover alternatives for the reclamation of sulphide tailings." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ31472.pdf.

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15

BELLA, GIANLUCA. "Hydro-Mechanical Behaviour of Tailings in Unsaturated Conditions." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2685795.

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Many geotechnical problems are related with soils and structures in unsaturated conditions. Among them, a significant role is played by tailing dams that represent complex geotechnical systems. Because of their wide extension, tailing storage facilities are subjected to many external actions and interactions with the atmosphere, whose effects governing the position of phreatic surface. Hence, the low permeability deposited tailings are subjected to drying-wetting processes, leading variation in the extensions of the unsaturated zone above the phreatic surface with a significant role in stabili

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16

Hussain, Fida 1956. "THE RELATIVE EFFECTS OF INSITU DRYING AND SAMPLE PREPARATION DISTURBANCE ON THE COMPRESSIBILITY OF A COPPER MINE TAILING." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/275562.

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17

Johnson, Lawrin Von. "THE DESIGN OF STABLE AGGLOMERATES FOR MINE TAILING LEACH HEAPS." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275239.

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18

Solgi, Narjes. "Water balance of metal mining tailings management facilities : influence of climate conditions and tailings management options." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61315.

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The objective of this research was done to review and compare available methods for Tailings Management Facilities (TMFs) water balance; to develop deterministic and probabilistic models; and to compare the impacts of different tailings management options and climate conditions. The developed models were spreadsheet based. Mount Polley operational data were used. Water balance models were created for lined and unlined impoundments in both wet and dry climates. Wet condition climate data were extracted from ClimateBC (a University of British Columbia Software Program) using the location of the

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19

McIntosh, Bruce John. "A SIMPLIFIED PROBABILITY APPROACH TO THE DESIGN AND ANALYSIS OF URANIUM TAILINGS IMPOUNDMENTS." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276414.

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20

Oz, Ekrem Eser. "Evaluation Of Kosovo-artana Concentrator Tailings." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613236/index.pdf.

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In this study, evaluation of Kosovo-Artana Concentrator tailings with flotation and leaching method is aimed. The minerological analysis of sample showed that sphalerite, galena, chalcopyrite and their oxidised forms are the main ore minerals in the sample, while pyrite, illite, quartz, calcite and gypsum are the gangue minerals. The metal contents of the sample are 1.2% Zn, 0.75% Pb, and 0.06% Cu. Flotation tests to produce bulk concentrate of copper-lead and lead-zinc were unsatisfactory. The recovery of the zinc with H2SO4 leaching were conducted both at room temperature and at elev

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21

Simms, P. H. "Engineered covers for reactive tailings management." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0004/MQ32508.pdf.

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22

Stewart, Douglas Michael Charles Carleton University Dissertation Chemistry. "An investigation of uranium mill tailings." Ottawa, 1987.

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23

Carlsson, Erik. "Sulphide-rich tailings remediated by soil cover : evaluation of cover efficiency and tailings geochemistry, Kristineberg, northern Sweden /." Luleå : Luleå tekniska univ, 2002. http://epubl.luth.se/1402-1544/2002/44.

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24

Hagström, Patrik. "Determination of dry density in tailings with a Dynamic Cone Penetrometer :." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-66993.

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Today mines produce metals which are used for everyday products by people worldwide. When metals are produced, waste products known as tailings are generated. These tailings are commonly stored in impoundments, surrounded by embankment dams. The demands from the society are constantly increasing regarding the quality and safety of dams. One step in development towards a better control regarding safety and quality of tailing dams, could be to compact the beach. Today there is a lack of methods to easy check the dry densities over large areas for a compacted material. Since these dams can be lar

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25

Landine, Patrick G. "Weathering and diagenesis of Saskatchewan potash tailings." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1993. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/nq23919.pdf.

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26

Qiu, Yunxin. "Optimum deposition for sub-aerial tailings disposal." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0008/NQ59656.pdf.

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27

Mainali, Ganesh. "Monitoring of tailings dams with geophysical methods." Licentiate thesis, Luleå : Luleå university of Technology, 2006. http://epubl.luth.se/1402-1757/2006/07.

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28

Priestley, Daniel. "Modeling multidimensional large strain consolidation of tailings." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/39809.

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Mine sites generate large volumes of tailings materials, requiring storage in tailings impoundments. Large strain consolidation of tailings materials represents a major factor in determining how a tailings impoundment will behave over time. Being able to accurately model these phenomena ensures that the effects of long term consolidation may be considered in the design of future tailings impoundments. SoilVision Systems has created an internal version of the SVOFFICE 2009 finite element modeling software capable of evaluating these scenarios. Prior to this research, preliminary benchmarks hav

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29

El, Husseini Bassam. "Streaming potential measurements in sulfide rich tailings." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=115872.

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In general, tailings dams are expected to seep. Anomalous seepage, especially when induced by internal erosion, is a major concern for owners and operators. The long established techniques for monitoring water seepage provide sparse information which may not be sufficient to detect and map the seepage path. Hence, there exists a great need for non-invasive techniques that would be sensitive to changing seepage conditions. The non-invasive nature of the techniques is particularly important because drilling and other penetrating (invasive) investigation methods are normally avoided.<br>Non-invas

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30

Bernier, Luc Warren Lesley A. "Sulphur biogeochemistry in a mine tailings lake." *McMaster only, 2007.

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31

Vermeulen, Nicolaas Johannes. "The composition and state of gold tailings." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-03102006-122937/.

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32

Gan, Princess Rochelle. "Flotation of Yxsjöberg historical tungsten ore tailings." Thesis, Luleå tekniska universitet, Mineralteknik och metallurgi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75844.

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Tailings dams, due to their sheer size and metal content, pose safety and environmental hazards. The Småltjarnen repository, which hosts material from the largest known tungsten mineralization in Sweden named the Yxsjöberg deposit, is estimated to contain 2.2 million tons of material from previous operations when recovery rates of scheelite, chalcopyrite, and fluorite were low. The repository is also observed to contain at least four of the listed critical raw materials by the European Commission in 2017, namely tungsten, fluorite, beryllium, and bismuth. The amenability of this tailings repos

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33

Aida, Farkish. "SAP Based Rapid Dewatering of Oil Sands Mature Fine Tailings." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24251.

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Mature fine tailings (MFT), as a mixture of residual bitumen, sand, silt, fine clay particles and water, are a byproduct of oil sands extraction. The large volume, and poor consolidation and water release ability of MFT have been causing significant economic and environmental concerns. Therefore, several studies have been implemented on finding innovative dewatering/disposal techniques. As a result, different methods have been introduced and tested at a laboratory or a field scale, yet very few of these are commercially used in the oil sands industries. Despite the extensive research, an optim

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34

Westraad, Delme. "Suction induced shear strength of gold mine tailings." Diss., Pretoria : [s.n.], 2004. http://upetd.up.ac.za/thesis/available/etd-06102005-092115.

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35

Rohde, Michael D. "Recovery of silver from lead/zinc flotation tailings /." [St. Lucia, Qld], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18254.pdf.

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36

Van, der Merwe Josias Willem. "Dissolution of sphalerite minerals from Rosh Pinah tailings." Pretoria : [s.n.], 2003. http://upetd.up.ac.za/thesis/available/etd-04282005-124139.

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37

Zardari, Muhammad Auchar. "Stability of tailings dams : focus on numerical modelling." Licentiate thesis, Luleå tekniska universitet, Geoteknologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18427.

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Upstream tailings dams may experience slope stability problems when the rate of raising is too fast. Tailings consolidate slowly due to low hydraulic conductivity. The excess pore pressures can build up due to accelerated rate of raising. The cumulative increase in excess pore pressures due to successive raisings can endanger slope stability of a tailings dam. The stability of a tailings dam is closely related to the consolidation process. The consolidation process and associated stability of an upstream tailings dam during staged construction was modelled with the finite element program PLAXI

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38

Durrant, Adrian Michael. "A computer-aided simulation of hydraulic tailings disposal." Thesis, Loughborough University, 1988. https://dspace.lboro.ac.uk/2134/28025.

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Computer-aided tools appropriate to architecture, engineering and construction have been Summarised, including digital terrain modelling (DTM), computer-aided design and draughting (CADD) and database management systems (DBMS). DTM and CADD techniques have been applied to simulating the hydraulic filling of tailings, or mine waste dams. A relational DBMS was used to structure and manage filling and terrain data relevant to hydraulic tailings disposal at the Wheal Jane mine in Cornwall.

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39

Hamberg, Roger. "Characterization and solidification of arsenic-rich cyanided tailings." Licentiate thesis, Luleå tekniska universitet, Geovetenskap och miljöteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17804.

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Information on the occurrence of As species and iron sulphide minerals in tailings is essential for predicting therelease of As over extended period of time. Tailings originating from a goldmine in northern Sweden with low content of trace elements except for As were used for this purpose. The dominating sulphides were pyrrhotite and arsenopyrite. The samples used in the study were post-cyanided, tailings slurries treated with Fe2(SO4)3 and H2O2 to form arsenates and Fe-hydrates for effective As-immobilization. Speciation of the As in ore and tailings samples revealed that mining processes hav

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40

Silva, Marvin Jose. "Plant dewatering and strengthening of mine waste tailings." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0015/NQ46918.pdf.

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41

Steinert, Aaron. "Development of hardpans on Hypersaline Tailings Kalgoorlie, W.A. /." Adelaide, 1998. http://web4.library.adelaide.edu.au/theses/09SB/09sbs822.pdf.

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42

Nudo, Vince. "Scavenging iron ore tailings with the Reichert cone." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66257.

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43

Tompkins, David Stuart. "Sandy tin tailings in Malaysia : characterization and rehabilitation." Thesis, University of Plymouth, 2003. http://hdl.handle.net/10026.1/2309.

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Cassiterite extraction in West Malaysia has left a legacy of some 80,000 hectares of nutrient-poor, drought-prone, quartz sandy tailings. Their proximity to urban centres has long made them a target for agricultural and forestry enterprises, and various techniques have been developed to overcome their intractability, including amendment with bulky organic matter and replacement with natural soils. Although reasonably successful, these approaches have often failed to acknowledge that a percentage of the original heavy mineral suite remains in sandy tailings, exerting possible phytotoxic effects

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44

Ould-Hamou, Malek. "Beneficiation of Algerian phosphate tailings by electrostatic methods." Thesis, University of Leeds, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277859.

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45

Törnqvist, Sofie, and Amanda Lindquist. "Stability analysis on a planned Mexican tailings dam." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-275797.

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If mine waste materials are stored in dams, the dams are referred to as tailings dams. Tailings dam failures can lead to massive destruction in nearby areas because of the large amount of water and slurry tailings stored in the dams. Tailings dams are large constructions which therefore endure great stresses. If the stresses become higher than what the materials of the dam can tolerate there is a risk that the embankment will collapse. This master thesis is the result of a collaboration between Vattenfall, Elforsk, Uppsala University and Tsinghua University. The purpose has been to evaluate a

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46

Engels, Jonathan. "An expert management system for surface tailings storage." Thesis, University of Leeds, 2006. http://etheses.whiterose.ac.uk/4622/.

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This thesis outlines the general design, management and operating parameters that influence the safety and stability of a surface tailings storage facility. A critique of current tailings storage practices, research, regulations, guidelines and the day to day management principals of a storage facility are discussed. Weaknesses and recommendations are presented with a view to reducing the associated risk of surface tailings storage. In the past, the majority of tailings research has focused on the design components to reduce operational costs and the closure methods to establish the most suita

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47

Adiansyah, Joni Safaar. "A life cycle assessment of mine tailings management." Thesis, Curtin University, 2017. http://hdl.handle.net/20.500.11937/59656.

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This study of life cycle assessment and environmental valuation of mine tailings management combines rheology analysis, and computer simulations. Three strategies were assessed: thickened tailings, tailings paste, and filtered tailings. Technology improvement and renewable energy were introduced in order to improve the sustainability performance of the mine tailings methods investigated. Alternative Tailings Disposal methods with filter belt press and stack cell flotation together with renewable energy helped to reduce the environmental impact and costs associated with coal tailings disposal.

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48

Sheth, Khushi Paragbhai. "Utilization of mine tailings in construction of pavement." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2024. https://ro.ecu.edu.au/theses/2807.

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The mining industry creates a huge amount of waste products, known as the mine tailings. Their handling and disposal have been challenging tasks, and moreover, they seriously affect surrounding environment and human health. Australia's road system is indeed one of the largest road systems in the world. It uses a lot of natural resources in its construction and maintenance operations. As per the current construction practice requirements, it is essentially required to reduce use of conventional materials in view of protecting environment, preserving natural resources and reducing carbon footpri

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49

Wortmann, Heid. "Sedimentation and desiccation of gold mines." Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-11052007-152710.

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50

Alshawmar, Fahad Abdulaziz. "Shaking Table Testing of Geotechnical Response of Densified Fine-Grained Soils to Cyclic Loadings: Application to Highly Densified Tailings." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/41892.

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Liquefaction is a major challenge in geotechnical engineering in which soil strength and stiffness are compromised due to earthquake activity. Understanding and predicting the behaviour and liquefaction susceptibility of soils under cyclic loading is a critical issue in civil engineering, mining and protective engineering. Numerous earthquake-induced ground failure events (e.g., substantial ground deformation, reduced bearing capacity) or liquefaction in natural fine-grained soils or manmade fine-grained soils (i.e., fine tailings) produced by mining activities have been observed and reported

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