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investigation into the slimes dams

SMALL DAM DESIGN AND CONSTRUCTION MANUAL

2014-7-6 · investigation, design and construction roles, made necessary by changes in PFRA programs or redistribution of staff, will be incorporated into the manual through amendments. The manual presents engineering information for the design, construction, operation and maintenance of small dams on the Canadian Prairies.Guidelines for Design of Dams - New York State …2020-9-21 · guidelines for the proper design of a dam. In order for a dam to safely fulfill its intended function, the dam must also be constructed, operated and maintained properly. Supervision of construction or reconstruction of the dam by a licensed professional engineer is required to insure that the dam will be built according to the approved plans.

The stability of slimes dams in the gold mining industry

Geotechnical Evaluations of a Tailings Dam for Use by a Investigation into the slimes dams - University of Pretoria2009-10-7 · Investigation into the slimes dams, mine dumps and landfills (residue deposits) as environmental constraints to low-cost housing projects in Gauteng, South Africa T.E. Manungufala*, M. Sabiti-Kalule*, I. Aucamp* *Tswelopele Environmental (Pty) Ltd, Randburg Email: [email protected]

Investigation into the slimes dams, mine dumps and ...

Investigation into the slimes dams, mine dumps and landfills (residue deposits) as environmental constraints to low-cost housing projects in Gauteng, South Africa Manungufala, T. E. ; Sabiti-Kalule, M. ; Aucamp, Ilse C. ; IAHS World Congress on Housing (33rd : …Investigation into the slimes dams, mine dumps and ...2009-6-4 · Manungufala, TE, Sabiti-Kalule, M & Aucamp, IC 2005, ''Investigation into the slimes dams, mine dumps and landfills (residue deposits) as environmental constraints to low-cost housing projects in Gauteng, South Africa'', paper presented at XXXIII IAHS World Congress on Housing 2005 - Transforming Housing Environments through Design (HUE ...

A Comprehensive Review on Reasons for Tailings Dam ...

In southern Spain, the Los Frailes tailings dam failed in 1998, causing the rockfill dam to slide forward and release 1.3 million m 3 of fine pyrite tailings and 5.5 million·m 3 of tailings water [98, 99].The deposition of tailings severely polluted the rivers and surrounding residential lands [100–102] this event, improper investigation of the geological environment was the primary …GUIDELINES FOR THE CONSTRUCTION OF EARTH-FILL …2014-2-20 · Category 3. Dams that are at the higher end of the hazard category scale. These dams include ''High B'', ''High A'', Extreme hazard category dams and dams that are over 25 metres in height. These generally require the services of an expert dams team. The majority of farm dams fall into Category 1, but occasionally fall into Category 2.

Why Samarco tailings dam failed

2016-8-29 · As a result of various developments, soft slimes encroached into unintended areas on the left abutment of the dam and the embankment alignment was set back from its originally-planned location.Guidelines for Design of Dams - New York State …2020-9-21 · guidelines for the proper design of a dam. In order for a dam to safely fulfill its intended function, the dam must also be constructed, operated and maintained properly. Supervision of construction or reconstruction of the dam by a licensed professional engineer is required to insure that the dam will be built according to the approved plans.

China releases probe results on torrential rain-caused ...

2022-1-22 · The investigation team thoroughly probed into events that caused major casualties and aroused public concern, concluding that the tragedies of passengers trapped in the flooded Zhengzhou Metro Line 5 and Jingguang North Road tunnel were liability accidents, while the dam overtopping at the Guojiazui reservoir was ruled a law-breaking event.Tailings Dam - an overview | ScienceDirect Topics · Brazil holds more than 800 mine tailings dams, of which about 400 are classified into some category of accident risk (Agência Nacional de Mineração (ANM), 2021). Most of these tailings dams are located in Minas Gerais State, which is a metal-rich region and has a long history of land use focused on extensive mining activities ( Jacobi et al ...

Paper: An Investigation into the Depth and Rate of ...

Abstract: The generation of acid rock drainage (ARD) from tailings dams of the Witwatersrand gold fields in South Africa is arguably one of the main strategic environmental issues facing the gold mining industry and the South African Government. Fine-grained, sulphidic, tailings impoundments generate ARD through the diffusive ingress of oxygen into unsaturated pore …investigation into the feasibility of modifying2016-12-7 · An investigation into the feasibility of modifying derelict dams to improve salmon productivity in the Kloiya River and Rainbow Lake watersheds, British Columbia Charmaine Carr‐Harris and Cassie Siebert Skeena Fisheries Commission Prepared for: Fisheries Habitat Restoration Initiative February 2015

(PDF) Water reduction investigations on Debswana''s …

Premier Mine''s current slimes dam is nearing the end of its operational life. This is aggravated by a large volume of poor quality water in the dam which is not being recycled back into the process.Theoretical and engineering aspects of slimes-dam …2021-1-31 · ures occur.) Slimes-dam construction developed in this way for fifty years, and it was only in 1953 that a major investigation was launched to study the whole problem of the stability of slimes dams from an engineering point of view. The results of this investigation were published in de-tail in 19591 and were summarized in a more practical ...

Reprocessing slimes tailings from a tungsten mine ...

1993-8-1 · Reprocessing slimes tailings 839 The broad conclusions of this investigation were that a concentrate grading 50 to 55 % WOj can be achieved by a three stage gravity separation with intermediate sulphide flotation (preferably) between the first and second stages stralian Centre for Geomechanics | Conference Paper: …Abstract: In the late 1990s the slimes effluent dams at the AECI industrial complex were decommissioned, and there followed an invasion of plants into the still-saturated but somewhat toxic material that had been deposited in the dams over a 40 year period since the early 1960s. This spontaneous restoration of grassland and woody vegetation led to the establishment of …

Theoretical and engineering aspects of slimes-dam …

2021-1-31 · ures occur.) Slimes-dam construction developed in this way for fifty years, and it was only in 1953 that a major investigation was launched to study the whole problem of the stability of slimes dams from an engineering point of view. The results of this investigation were published in de-tail in 19591 and were summarized in a more practical ...Impact of a base metal slimes dam on water systems ...2004-1-1 · On the southern side of the slimes dam, seepage collects in a drain and flows southwards down a small valley. Seepage from the western toe of the slimes dam collects in a drain, which flows, along with seepage from the northern side of the slimes dam, into a natural wetland that is to the north of the slimes dam. Outflow from this wetland is ...

Best Practices for Tailings Dam Design

2017-9-7 · Background. Recent major tailings dam failures have led to an industry-wide review of the design and management of tailings storage facilities. Before the 1960s, mine tailings were often disposed directly into ponds, lakes, rivers or …Tailing Dam - an overview | ScienceDirect Topics · Barry A. Wills, James A. Finch FRSC, FCIM, P.Eng., in Wills'' Mineral Processing Technology (Eighth Edition), 2016 16.2.1 Tailings Dams. The design, construction, and operation of tailings dams is a major consideration for most new mining projects, as well as for many existing operations (Vick, 1984) is economically advantageous to site the impoundment …

(PDF) Investigation into the Internal Erosion and Local ...

Razavi et al. (Razavi et al. 2020) used Flac 3D software to present an investigation into the Internal Erosion and Local Settlement of Esfarayen Earth-Fill Dam. The model shows that the ...Geological Inputs into the Waipori Dams Stability Review ...2017-11-24 · Whilst regulatory requirements are entirely different today to when the dams were initially constructed (1914 and 1956) and given that records of construction are minimal, this project demonstrates the importance of carrying out thorough reviews of historical records where they exist, prior to launching into deep and expensive site investigation.

An investigation into the seismic behaviour of dams using ...

Request PDF | An investigation into the seismic behaviour of dams using dynamic centrifuge modelling | Dynamic response of dams is significantly influenced by foundation stiffness and dam ...The official report into the Samarco Tailings Dam failure ...2016-8-30 · The official report into the Samarco Tailings Dam failure in Brazil. Yesterday the official report into the Samarco Tailings Dam failure and associated flowslide last year in Brazil was released. Impressively, a website has been set …

The Merriespruit slimes dam failure : overview and lessons ...

The Merriespruit slimes dam failure occurred in February 1994 when 600 000 mlsupg3l/supg of liquid slime rushed through the Merriespruit village, causing the death of 17 people, widespread devastation and environmental damage. This paper sketches the early history of the dam and gives a brief description of dam-building techniques used on gold slimes dams.Impact of a base metal slimes dam on water systems ...2004-1-1 · On the southern side of the slimes dam, seepage collects in a drain and flows southwards down a small valley. Seepage from the western toe of the slimes dam collects in a drain, which flows, along with seepage from the northern side of the slimes dam, into a natural wetland that is to the north of the slimes dam. Outflow from this wetland is ...

The Merriespruit slimes dam failure : overview and lessons ...

The Merriespruit slimes dam failure occurred in February 1994 when 600 000 mlsupg3l/supg of liquid slime rushed through the Merriespruit village, causing the death of 17 people, widespread devastation and environmental damage. This paper sketches the early history of the dam and gives a brief description of dam-building techniques used on gold slimes dams.Water balance of a slimes dam in the Klerksdorp region ...Download scientific diagram | Water balance of a slimes dam in the Klerksdorp region (adapted and modified from Funke, 1990). from publication: Uranium pollution of …

Numerical investigation into the stability of earth dam ...

2020-1-10 · This study is an attempt to estimate the influence of the presence of cavities on the stability of slopes in earth dams under rapid drawdown conditions. The purpose of this paper is to study the influence of different factors, such as the diameter and location of cavities, in addition to their existence effects.,A series of finite element simulation models were developed using …The official report into the Samarco Tailings Dam failure ...2016-8-30 · The official report into the Samarco Tailings Dam failure in Brazil. Yesterday the official report into the Samarco Tailings Dam failure and associated flowslide last year in Brazil was released. Impressively, a website has been set …

Why Samarco tailings dam failed

2016-8-29 · As a result of various developments, soft slimes encroached into unintended areas on the left abutment of the dam and the embankment alignment was set back from its originally-planned location vestigation of dam incidents and failures | Proceedings ...2020-1-22 · History tells us that dams can bring many benefits to society but there is also a long history of ''near-miss'' incidents and failures that, in some cases, have led to great loss of life. The investigation of incidents and failures around the world has led to improvements in the design and construction of dams with the aim of reducing the risk of failure. By illustration of a number of ...

An investigation into the seismic behaviour of dams using ...

2010-5-8 · Dynamic response of dams is significantly influenced by foundation stiffness and dam-foundation interaction. This in turn, significantly effects the generation of hydrodynamic pressures on upstream face of a concrete dam due to inertia of reservoir water. This paper aims at investigating the dynamic response of dams on soil foundation using dynamic centrifuge …Geological Inputs into the Waipori Dams Stability Review ...2017-11-24 · Whilst regulatory requirements are entirely different today to when the dams were initially constructed (1914 and 1956) and given that records of construction are minimal, this project demonstrates the importance of carrying out thorough reviews of historical records where they exist, prior to launching into deep and expensive site investigation.

Impact of a base metal slimes dam on water systems ...

2004-1-1 · On the southern side of the slimes dam, seepage collects in a drain and flows southwards down a small valley. Seepage from the western toe of the slimes dam collects in a drain, which flows, along with seepage from the northern side of the slimes dam, into a natural wetland that is to the north of the slimes dam. Outflow from this wetland is ...Recovery of Iron Values from Iron Ore Slimes of Donimalai ...AbstractDuring production of calibrated (sized) ore, more than 50 % of the generated fines and rejects (Slimes) cannot be directly utilised in iron making due to its unfavourable granulometry, low iron content, high alumina and silica content. Approximately 10–20 % of the process plant input is discarded as slimes into slime ponds/tailing dams.

The stability of slimes dams in the gold mining industry

2021-1-31 · Research into the use of vegetation on slimes dams is at present being under­ taken by the Chamber of Mines Research Laboratory and by individual mines. It is hoped that suitable plants will be found which will grow on the slopes of slimes dams and which, will bind the material and stop erosion.(PDF) Water reduction investigations on Debswana''s …Premier Mine''s current slimes dam is nearing the end of its operational life. This is aggravated by a large volume of poor quality water in the dam which is not being recycled back into the process.

An investigation into the seismic behaviour of dams using ...

2010-5-8 · Dynamic response of dams is significantly influenced by foundation stiffness and dam-foundation interaction. This in turn, significantly effects the generation of hydrodynamic pressures on upstream face of a concrete dam due to inertia of reservoir water. This paper aims at investigating the dynamic response of dams on soil foundation using dynamic centrifuge …(PDF) INVESTIGATION INTO THE PREDICTION OF SLIDING …A number of investigators has looked into the validity of using sliding block displacements in earth dam design in the past and has concluded that for small displacements, decoupled sliding block ...

Reprocessing slimes tailings from a tungsten mine ...

1993-8-1 · Reprocessing slimes tailings 839 The broad conclusions of this investigation were that a concentrate grading 50 to 55 % WOj can be achieved by a three stage gravity separation with intermediate sulphide flotation (preferably) between the first and second stages.The official report into the Samarco Tailings Dam failure ...2016-8-30 · The official report into the Samarco Tailings Dam failure in Brazil. Yesterday the official report into the Samarco Tailings Dam failure and associated flowslide last year in Brazil was released. Impressively, a website has been set …

GDS CASE STUDY: FUNDÃO MINE TAILINGS DAM FAILURE

2020-9-7 · left Dam abutment being shifted to an upstream alignment, closer to (and, in fact, above) areas in which slimes had been deposited. It is also noted that three low-magnitude earthquakes (M W 1.8 to 2.6) occurred near the Dam approximately 90 minutes prior to Dam failure taking place. PANEL INVESTIGATION INTO THE DAM FAILUREGeotechnical Evaluations of a Tailings Dam for Use by a ...2017-10-1 · excavated is about 1.99 billion cubic meters (BCM) (USDA 2013). Typical investigations into the construction of a tailings dam consist of identifying the types of ore contained within the mine, a suitable location for the dam based on identifying topography, and conducting an analysis of the geotechnical aspects of constructing the dam.

Theoretical and engineering aspects of slimes-dam …

2021-1-31 · ures occur.) Slimes-dam construction developed in this way for fifty years, and it was only in 1953 that a major investigation was launched to study the whole problem of the stability of slimes dams from an engineering point of view. The results of this investigation were published in de-tail in 19591 and were summarized in a more practical ...Water balance of a slimes dam in the Klerksdorp region ...Download scientific diagram | Water balance of a slimes dam in the Klerksdorp region (adapted and modified from Funke, 1990). from publication: Uranium pollution of …