Increasing the Safety of Tailing Dams using Geotextiles ...
In Figure 6 geotextiles are used for elongation by an impervious blanket and protection against flow under the dam as well as avoiding of piping is shown.
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PVC Geomembrane for Tailing Dam project in Inner Mongolia
PVC Geomembrane for Tailing Dam project in Inner Mongolia - PVC geomembranes is widely used in landfills, sewage treatment ponds and tailings anti-seepage projects to protect the soil, groundwater and atmospheric environment from long-term corrosion and infringement of tailings.
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Geotextile fabric is a kind of environmentally friendly material with excellent waterproof and anti-seepage performance. It is widely used in various building construction, such as environmental sanitation, water conservancy, municipal engineering, garden, landscape, petrochemical, mining, salt industry, agriculture, aquaculture and many other ...
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Geotextiles and Geomembranes Provide Anti Seepage and Reinforcement Functions for Wuhan Vulcan Mountain Hospital. ... The filter layer of the ash storage dam or tailings dam in the initial upstream dam surface, the filter layer of the drainage system in the backfill soil of the retaining wall; ... Geotextiles and geomembranes are widely used in ...
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With the tailings dam reinforcement project newly built in Yakou as the example and limit equilibrium horizontal slice method as the methodology, this paper has researched the feasibility of applying geosynthetics in fine tailings dam reinforcement. The results from limit equilibrium horizontal slice method show that the stability of reinforced tailings dam with geosynthetics increases by 14 ...
Get Price(PDF) The behaviour of non-woven geotextiles in tailings ...
Geotextiles have been used as drains and filters in geotechnical and environmental protection works. One of the disposal techniques is the desiccation process.
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Landfill is usually used 5 layers for anti-seepage: geotextile, drainage net, waterproof blanket, geomembrane, and covering the geotextile above the 4 layers. The
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PVC Geomembrane for Tailing Dam project in Inner Mongolia - PVC geomembranes is widely used in landfills, sewage treatment ponds and tailings anti-seepage projects to protect the soil, groundwater and atmospheric environment from long-term corrosion and infringement of tailings
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HDPE geofilm is a new anti-seepage and anticorrosion materrial widely sued in different projects where anti-seepage and anticorrosion are required.The geofilm uses premium HDPE virgin resin as the primary material and is made though a 3-layer co-extrusion process to include 97.5% HDPE,corca 2.5% carbon black,trace antioxidant and heat ...
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Geotextiles and Geomembranes Provide Anti Seepage and Reinforcement Functions for Wuhan Vulcan Mountain Hospital. ... The filter layer of the ash storage dam or tailings dam in the initial upstream dam surface, the filter layer of the drainage system in the backfill soil of the retaining wall; ... Geotextiles and geomembranes are widely used in ...
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With the tailings dam reinforcement project newly built in Yakou as the example and limit equilibrium horizontal slice method as the methodology, this paper has researched the feasibility of applying geosynthetics in fine tailings dam reinforcement. The results from limit equilibrium horizontal slice method show that the stability of reinforced tailings dam with geosynthetics increases by 14 ...
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The use of geotextiles in embankment dams has been in limited applications, largely in secondary roles where failure of the geotextile would not jeopardize the safety of the dam nor present a situation that would be difficult or costly to repair. The most common uses of geotextiles in embankment dams in the Unites States are:
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As part of long term planning to extend the life of the mine at the Rosebery site, MMG engaged ATC Williams, to engineer a way to stop seepage into the Stitt River, increase capacity and dam safety, and extend the life of the old 2/5 tailings dam in the town of Rosebery. The mine mainly produces lead, zinc, and copper, as well as gold and silver, and has been operating continually for 82 years.
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The paper addresses the problem of seepage control for tailings dams. Conventional flow nets are presented to illustrate the effectiveness of various seepage control mea sures which are normally used in the design of water storage dams. The application of these measures to tailings dam de sign and construction is then discussed.
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rial. Since 1975 geotextiles have been used successfully in large dams in South Africa, including the 51 m high Kilburn Dam, the 56 m high Mokol Dam and the 43 m high Kwena Dam, amongst others. Th e geotextiles were used downstream of the chimney drain, as a supplement to the granular lter system on either side of the
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Their durability and chemical compatibility is well-supported by data and project records in tailings management. Secutex geotextiles provide long-term, robust protection of and frictional stability for geomembranes, berm filter control, slope stability, and more.
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For example, the Caren tailing impoundment in central Chile was retained by an earth-fill dam with a maximum height of 108 m (James et al. 2011), the Bahuerachi tailing dam in Mexico was designed with a maximum height of 100 m with the capacity of 200 million m 3 tailings, and the Yuhezhai iron tailing dam in Yunnan, China, was designed to a ...
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Dr. Giroud designed the first earth dam for which a geotextile was used: Valcros Dam, France (1970). In this 17 m high earth dam, a geotextile filter was used to wrap the gravel downstream drain. A geotextile was also used in Valcros Dam under the rip-rap for the upstream slope protection.
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Difference Between Anti-seepage Geomembrane and Anti-seepage Geotextile in Geomembrane The current building construction, regardless of the roof, wall, bathroom, basement, will have different degrees of water leakage, flat roof leakage problems, especially in the rainy season with heavy rain and heavy rain at this stage, the leakage is more ...
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Case Studies on the Usage of Geosynthetics in Earthen Dams and Embankments Raju, N. Ramakrishna Chief General Manager e-mail: [email protected] EDTD, Nagurjana Construction Corporation Limited, Hyderabad, India ABSTRACT Geotextile is a permeable synthetic membrane designed for use with geotechnical materials as an integral part of a man
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foundation or stacked on top of existing tailings dams, resulting in dam embankments comprising filled geo-textile tubes, which leads to increased storage capacity for the mine operator and a subsequent expansion of the life of TSFs. Additionally, it is possible to use a broad range of tailings within the geotextile tube due to the
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Anti-seepage geomembrane used in fish ponds can not only avoid waste accumulation in the soil but also avoid harmful chemicals such as ammonia, hydrogen sulfide, acidic substances, iron and other harmful compounds entering the pond, which can reduce
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The tailings dam is a dam formed by the accumulation of tailings which played a great role in the protection and treatment of the mine environment. It is mainly used in the storage of metal, Tailings of nonmetal mine or other industrial solid waste. Reservoirs require anti-seepage, while tailings reservoirs require eliminating seepage.
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Proceedings Tailings and Mine Waste 2011 Vancouver, BC, November 6 to 9, 2011 Geotextile Enabled Smart Monitoring Solutions for Safe and Effective Management of Tailings and Waste Sites Two case studies: Volgermeerpolder (The Netherlands) and Suncor (Canada) Rob Dijcker, Marten Van Der Wijk Witteveen+Bos Consulting Engineers, Deventer, The Netherlands Olivier Artires, Gerrit Dortland ...
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The cost of geotextile dewatering bags is determined by the woven geotextile material, the thread strength, and the stitching process. One can also find advantages in measuring the volume of waste that can be extracted from a tailings dam per month per bag, though this analysis has not yet been conducted for the sites noted here in South Africa.
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Certain geotextile designs are able to retain all particles larger than 10 microns. In recent local projects, where wastewater treatment plants had reached their maximum storage capacities, the Fibertex solution was to remove sludge from the existing tailing facilities by using geotextile
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Segregation & Anti-seepage of Waste Landfill Site. The composite of Polyester Spunbonded Needle-punched Geotextile and Geomembrane is available for segregation and anti-seepage of waste landfill site to prevent noxious liquid from permeating soil and noxious gas from diffusing, so as to reduce environmental pollution and increase land use ratio.
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specification of Cirtex geotextiles for transportation applications . The challenge To provide effective filtration, drainage and separation of ... geotextile type used both in New Zealand and the South ... such as in some tailing dam systems, landfill leachate applications, applications of lime and ...
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tailings dam will adequately model a cut and fill operation where the excavated waste material will be used to construct the tailings dam. Construction of the tailings dam will happen in stages, with starter dam followed by successive additions to a accommodate the need for reservoir capacity.
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1.Used in landfill, river embankment, lake dam, tailing dam, sewage dam and reservoir area, channels and other hydraulic ponds. 2. Anti-seepage & lining for subway, basement and tunnel. 3. Saline seepage-proofing for roadbed and other foundation.
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Geotextiles, just as its name implies, is made of non-woven fabrics. Mainly used to consolidated subsoil. Geomembrane is made of high density polyethylene, mainly for seepage-proofing. Combination of the two is composite geomembrane, which can be divided into one cloth one membrane and two cloths and one membrane, with stronger anti-seepage ...
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Geotextile specimens from the drainage system of a tailings dam were exhumed for analyses, as part of the research programme. The results obtained showed that stress levels and the hydraulic gradients used in the tests influenced the behaviour of the system.
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tailings dam will adequately model a cut and fill operation where the excavated waste material will be used to construct the tailings dam. Construction of the tailings dam will happen in stages, with starter dam followed by successive additions to a accommodate the need for reservoir capacity.
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This paper gives practical examples of geotextile used in earth dams less than 15 m in height. In each case the structure was designed bearing in mind ease of placement of the geotextile. Four types of geotextile use are discussed, three of which have been satisfactorily applied by the engineer for the works and the contractor. These are: 1.
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used in anti-seepage system. The above aspects are so important that they could directly affect the factor of safety and effectiveness of ... two geotextile fibers layer, it belongs to the type of Bentomat (see in . Figure 1, the second graph). The total mass is 5.32kg/m. 2.
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Certain geotextile designs are able to retain all particles larger than 10 microns. In recent local projects, where wastewater treatment plants had reached their maximum storage capacities, the Fibertex solution was to remove sludge from the existing tailing facilities by using geotextile
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The Role of Geosynthetics in River Bank Erosion Control. Strong river currents, especially during heavy rainfall, effortlessly dislodge soil particles from riverbanks at undesired locations, weakening the slopes of rivers and destabilizing the involuntarily exposed foundation of riverside structures.
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Polypropylene based geotextiles are best used where the geotextile is to be placed in, or in near contact to structures that are alkaline in nature. This alkaline environment may be as a result of some industrial treatment process, such as in some tailing dam systems, landfill leachate applications,
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Geotextiles play an important and crucial role in the civil engineering works. In this paper, an attempt has been made to present the wide spectrum of geotextiles and related products that are available to civil engineers to solve a wide range of problems along with their functions and possible applications.,the ITJ Features brings authentic articles, stories, cover story, write-ups, textile ...
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The use of geotextile dewatering bags is recognised globally as the most efficient and economical method to achieve the required desludging process, to improve the functionality and safety of ...
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HDPE film is a new material with seepage corrosion resistance excellent chemical stability and can be processed according to the actual characteristics and function requirements of engineering has been widely used in water conservancy anti-seepage embankment dam reservoir but also in the channel reservoir sewage pool swimming pool buildings ...
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----- Design and Evaluation of Tailings Dams used to reduce normal runon if topography allows, but large flood runoff may be handled by dam storage capacity, spillways, or separate water-control dams, located upstream of the impoundment.
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Therefore, tailings ponds requiring anti-seepage measures mostly use composite anti-seepage lining made up of single-layer anti-seepage geomembrane and clay/geosynthetic clay liner (GCL). (2) Tailings pond using horizontal anti-seepage and its anti-seepage effects are not always better than that of vertical anti-seepage .
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New Technologies on Mine Process Tailing Disposal 65 Table 2 Cost items of the tailing disposal methods. Cost Surface paste disposal Tailing dam Tailing disposal using geotextile material Capital cost Dam construction X X - Pump X X X Pipe X X X Thickener X - - Silo X - - Mixture tank X - -
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Composite geomembrane is a composite of film and cloth. In addition to geotextile isolation, drainage, reinforcement, protection, etc., it also has a closed (anti-seepage) function. It is widely used in many fields, such as water conservancy embankment, traffic tunnel, road building, airport, drainage, housing, environmental protection and so on.
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1,Introduction Compound Geomembrane is made of composite geotextile and geomembrane impermeable material, On one or both sides of the film through the infrared heating oven, the geotextile and the geomembrane from the guide roll to form a geomembrane. With the improveme...
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Low permeable tailings slimes can also be used as a liner. Collection systems. The two main methods used to collect seepage from a tailings impoundment are a collection ditch or a collection well (figure 10). Ditches are the most common and cheapest method of entrapping seepage with the idea of eventually pumping the seepage back into the dam.
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OLYMPIC DAM EXPANSION PROJECT Tailings Storage Facility Design Report P 9 of 105 2 EXECUTIVE SUMMARY BHP Billiton proposes to expand the existing Olympic Dam operation, including all associated infrastructure. Large quantities of tailings (approximately 70 million tonnes per annum) will be stored in an above-ground tailings storage facility (TSF).
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Tailings-nonwoven geotextile filter compatibility in mining applications Tailings-nonwoven geotextile filter compatibility in mining applications Palmeira, Ennio M.; Beirigo, Elder A.; Gardoni, Maria G. 2010-04-01 00:00:00 Nonwoven geotextiles have been commonly used in filtration and drainage of geotechnical engineering works. This paper presents a study on the use of such materials
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Geotextiles, just as its name implies, is made of non-woven fabrics. Mainly used to consolidated subsoil. Geomembrane is made of high density polyethylene, mainly for seepage-proofing. Combination of the two is composite geomembrane, which can be divided into one cloth one membrane and two cloths and one membrane, with stronger anti-seepage ...
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It is necessary to solve any anti-filtration and anti-seepage problems to guarantee the security and the stability of the tailings dam. For this reason, the selection of geotextilesinstead of sand and stoneas the filtration layer and the use of geomembranes and composite geomembranes for the anti-seepage material is preferred.
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Anti-seepage; Isolation. Application 1.Used in landfill, river embankment, lake dam, tailing dam, sewage dam and reservoir area, channels and other hydraulic ponds. 2. Anti-seepage & lining for subway, basement and tunnel. 3. Saline seepage-proofing for roadbed and other foundation.
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