Titles – Slope Stability 2011 CARMA

دریافت قیمت & get price

Failure Mechanisms and Rock Mass Damage of High Rock Slopes in Open Pit Mine E. Zea, T.B. Celestino. Back Analysis of Landslides Triggered by Earthquakes — Some Impliions for Future Practice W. Murphy, R.N. Parker, G. Hancox. The Role of Bedding Planes in Guadalquivir Blue Marls on the Slope Stability in Cobre Las Cruces Open Pit

Open Pit Mine Design US Minneapolis Itasca Consulting

دریافت قیمت & get price

Itasca specializes in the assessment of slope stability and design of pit slopes on bench, interramp, and global mine scales. Itasca performs slope, instrumentation, and remediation design at many of the world''s largest open pit mines. Expertise in slope stability is not limited to open pit slopes.

LargeScale Slope Depressurization Program Golder

دریافت قیمت & get price

A multiyear project to design, construct and operate/maintain a largescale slope depressurization program at an open pit mine. Our Role Depressurize a clay layer loed within the pit wall stratigraphy, thereby allowing the excavation of the overburden slopes to a stable geometry.

Latin America Pit Slope Stability

دریافت قیمت & get price

Based on comprehensive field hydrogeological data collection and interactive numerical groundwater and geotechnical modeling, it is possible to evaluate the water pore pressure effect on the pit slope, to provide an efficient depressurization strategy to meet the geotechnical engineering targets, and thus to develop costeffective mine plans.

Pit Slope Stability SRK Consulting

دریافت قیمت & get price

Our integrated team of specialists use a variety of modelling tools to evaluate pit slope stability with a focus on highquality rock mass characterization involving objectivedriven geotechnical, structural geology, and hydrogeological investigation and data collection.

Jeremy Dowling Vice President Mine Water Management

دریافت قیمت & get price

In a career spanning over 20 years, he has wide ranging experience in open pit and underground mine dewatering, pit slope depressurization, integrated pit slope design studies, mine closure and

open pit slope depressurization opticalsolution

دریافت قیمت & get price

Open Pit Slope Depressurization using Horizontal Drains – a Case Study Simon Leech a), Matthew McGann b) a) PT Newmont Nusa Tenggara, Geotechnical and Hydrogeological Dept., Jl. Sriwijaya # 258 Mata, Indonesia email: [email protected] tel +564. Get price.

Pit slope design, depressurization and dewatering for

دریافت قیمت & get price

SRK hydrogeologists and geotechnical engineers conducted hydrological characterization and analysis to determine optimum slope designs for a proposed open pit in an area of significant precipitation, runoff, and groundwater flow. Rock characteristics, glaciers, and discharge water quality conditions presented further challenges.

Open Pit Mine Design South Africa Itasca Africa (Pty) Ltd.

دریافت قیمت & get price

Itasca specializes in the assessment of slope stability and design of pit slopes on bench, interramp, and global mine scales. Itasca performs slope, instrumentation, and remediation design at many of the world''s largest open pit mines. Expertise in slope stability is not limited to open pit slopes.

New Method Improves Hydrogeologic Data at Copper Mine WSP

دریافت قیمت & get price

Mar 01, 2017 · WSP USA developed a method of pit hydrogeology and slope depressurization at Sierrita Copper Mine that uses a fiberglass rod instead of the more traditional steel or PVC pipe in order to install groundwater pressure monitoring sensors – known as vibrating wire piezometers (VWPs) – to depths greater than 1,000 feet, as well as help guide geophysical logging tools in horizontal drain holes.

Open Pit Mine Design, Planning & Engineering Mining

دریافت قیمت & get price

Pit slope design, depressurization and dewatering for prefeasibility study, Galore Creek, Canada SRK hydrogeologists and geotechnical engineers conducted hydrological characterization and analysis to determine optimum slope designs for a proposed open pit in an area of significant precipitation, runoff, and groundwater flow.

Mine dewatering techniques

دریافت قیمت & get price

Nov 23, 2013 · Pit Slope Depressurisation Drains • Even when an open pit is dewatered by wells or inpit pumping, high pore water pressures may remain in the pit slopes, reducing geotechnical stability • There may be a need for a programme of slope depressurisation to allow steeper pit slopes to be used • This may be achieved by small diameter angled or

Pit Slope Optimization Based on Hydrogeologic Inputs

دریافت قیمت & get price

table. Pit slope depressurization is an optional method for additional reduction of pore pressure within pit walls if this is required for geotechnical reasons. Table 1 shows a comparison of general mine dewatering and pit slope depressurization.

Recommendations for NorthMet open pit rock slope designs

دریافت قیمت & get price

provides the following information in support of open pit development. • Recommendations for ultimate pit rock slope configurations based on kinematic assessments. • Recommendations for pit slope monitoring and instrumentation requirements. The proposed open pits are loed along a northeast trend that extends through the site,

Development of drain hole design optimisation: a

دریافت قیمت & get price

How much slope depressurization is appropriate in a large open pit environment is difficult to quantify, and often a philosophy of "more must be better" has to be adopted due to the lack of

Guidelines for Evaluating Water in Pit Slope Stability

دریافت قیمت & get price

Description: A comprehensive look at the hydrogeological procedures that should be followed when performing open pit slope stability design studies. Guidelines for Evaluating Water in Pit Slope Stability offers slope design practitioners a road map that will help them decide how to investigate and treat water pressures in pit slopes.

Slope Stability US Denver Itasca Denver, Inc.

دریافت قیمت & get price

Itasca is particularly wellknown for examining complex problems involving slope instabilities in soil and rock. One specialty is assessment of slope stability and design on scales ranging from civil engineering slopes in soil and rock, including portals, to mine benches and interramps for many of the world''s largest openpit

Open Pit Slope Depressurization using Horizontal Drains

دریافت قیمت & get price

How much slope depressurization is appropriate in a large open pit environment is difficult to quantify, and often a philosophy of more must be bette r has to be adopted due to the lack of integrated modelling tools that are availabl e to assist in the optimization of the slope design.

KSM 2012 PFSU Open Pit Design Review FINAL 20120612

دریافت قیمت & get price

Jun 12, 2012 · PFS Open Pit Stability03 ReportKSM 2012 PFSU Open Pit Design Review FINAL 20120612.docx BGC ENGINEERING INC. 2.0 CURRENT SCOPE OF WORK To confirm that the MMTS open pits conform with the open pit slope designs provided by BGC (2011a, 2011b, 2011c) the geometries of the Mitchell, Sulphurets, and Kerr pit slopes

Modeling the dewatering and depressurization of the Lihir

دریافت قیمت & get price

The open pit at the Lihir Gold Mine, Papua New Guinea, is planned ultimately to reach more than 200 m below sea level. Cooling and depressurization of the geothermal resource associated with the gold mineralisation is an essential part of the mining operation.

IMPORTANCE OF PORE PRESSURE MONITORING IN HIGH

دریافت قیمت & get price

an open pit mine, the validation of the dewatering/depressurization requirements, the calculation of the efficiency of the dewatering system and finally the use of pore pressure data in slope stability analysis. The recommended layout for a monitoring system, types and Pressure heads within each formation in the pit slopes.

Piteau Associates Publiions

دریافت قیمت & get price

Piteau personnel were editors and major contributors to the LOP text books "Guidelines for Evaluating Water in Pit Slope Stability" and "Guidelines for Mine Waste Dump and Stockpile Design". Piteau also contributed to "Guidelines for Open Pit Slope Design."

Depressurization synonyms, depressurization antonyms

دریافت قیمت & get price

Synonyms for depressurization in Free Thesaurus. Antonyms for depressurization. 2 synonyms for depressurize: depressurise, decompress. What are synonyms for depressurization?

Open Pit Mine Design India Itasca India Consulting Pvt

دریافت قیمت & get price

Itasca specializes in the assessment of slope stability and design of pit slopes on bench, interramp, and global mine scales. Itasca performs slope, instrumentation, and remediation design at many of the world''s largest open pit mines. Expertise in slope stability is not limited to open pit slopes.

Jamie Kennealy, R.G. Senior Hydrogeologist Clear Creek

دریافت قیمت & get price

In addition, I have extensive experience using groundwater flow modeling to evaluate pit slope dewatering and depressurization conditions and alternatives, water resource availability, and

Pit Slope Stability SRK Consulting

دریافت قیمت & get price

Based on our operational and global study experience with all deposit types and commodities, we consider a wide range of safety and economic factors when assessing stability and designing open pit slopes. By integrating all disciplines, we improve the implementation and functionality of these designs.

Open Pit Slope Depressurization using Horizontal Drains

دریافت قیمت & get price

How much slope depressurization is appropriate in a large open pit environment is difficult to quantify, and often a philosophy of "more must be better " has to be adopted due to the lack of integrated modelling tools that are available to assist in the optimization of the slope design.

Constructive Parameters of Open Pit Drmno Final Mine Slope

دریافت قیمت & get price

Drmno open pit exist in complex hydrogeological conditions and efficiency of exploitation significantly depend of god work of dewatering system. Dewatering system include future diaphragm wall on east and north mine boundaries. Constructive parameters of partial and general pit slope must provide not only maximal utilization of coal reserves but enough safety and stability of diaphragm wall.

Paper: Fact and Fiction About Pit Slope Depressurization

دریافت قیمت & get price

Cite As: Harman, J, Hormazabal, E & Martinez, C 2007, ''Fact and Fiction About Pit Slope Depressurization'', in Y Potvin (ed.), Proceedings of the 2007 International Symposium on Rock Slope Stability in Open Pit Mining and Civil Engineering, Australian Centre for

Keynote Speakers MINERÍA 2018

دریافت قیمت & get price

Theme: The objectives of Slope Stability 2018 are i) to consolidate the knowledge gained and show how techniques have improved since the book Guidelines for Open Pit Slope Design was published in 2009, ii) to provide real and evidenced results, and iii) to provide direction for

Piteau Associates Piteau Associates Mine Water Management

دریافت قیمت & get price

• Numerical groundwater flow modelling to predict inflows to pits and underground workings, design of slope depressurization measures, and in support of environmental impact assessments • Designing pit dewatering and slope depressurization systems

Rock Mechanics and Pit Slope Design

دریافت قیمت & get price

In terms of deep seated stability assessments, it was considered prudent to assume that only limited slope depressurization may occur in any given area of the pit. Stability Analyses and Slope Design. The main objective of most open pit slope design studies is to determine the steepest overall slope geometry which can be reasonably achieved

Quantifying the Effect of Localized Depressurization on a

دریافت قیمت & get price

Reinforcement of pit slope walls is also difficult and many times associated with high costs and loss of production. Bench slope stability is vital for a safe working place for all personnel in the mine as well as for avoiding production loss. Itasca Consultants AB is providing technical, onsite rock mechanics expertise to several open pit

Pit slope depressurisation investigation for an open cut

دریافت قیمت & get price

Expansion of active open cut mines and development of new deposits below the premining water table, present significant challenges in terms of general mine dewatering and pit slope depressurisation. Studies to characterise pore pressure behaviour have become a key component of the mining cycle.

Open Pit Mine Design Chile Itasca Chile SpA EN

دریافت قیمت & get price

Itasca specializes in the assessment of slope stability and design of pit slopes on bench, interramp, and global mine scales. Itasca performs slope, instrumentation, and remediation design at many of the world''s largest open pit mines. Expertise in slope stability is not limited to open pit slopes.

Open Pit Mine Design US Denver Itasca Denver, Inc.

دریافت قیمت & get price

Itasca specializes in the assessment of slope stability and design of pit slopes on bench, interramp, and global mine scales. Itasca performs slope, instrumentation, and remediation design at many of the world''s largest open pit mines. Expertise in slope stability is not limited to open pit slopes.

meet_our_experts BGC Engineering

دریافت قیمت & get price

He has applied his hydrogeological expertise to mine water management, open pit dewatering, numerical groundwater flow and contaminant transport simulations, Environmental Impact Assessments (EIA) for power corridors and mining projects, Integrated Stormwater Management Plans (ISMP), slope depressurization and dewatering projects, excavation

Blog Mine Dewatering Dewatering & Groundwater Control

دریافت قیمت & get price

This has benefits for geotechnical design, for example by allowing steeper open pit slopes without a reduction in factor of safety. In many cases the water flow rate from depressurization systems will be relatively low, but they can have a dramatic effect on geotechnical properties and pit slope stability. BENEFITS OF MINE DEWATERING

Open Pit Slope Depressurization using Horizontal Drains

دریافت قیمت & get price

Open Pit Slope Depressurization using Horizontal Drains – a Case Study Simon Leech a), Matthew McGann b) a) PT Newmont Nusa Tenggara, Geotechnical and Hydrogeological Dept., Jl. Sriwijaya # 258 Mataram 83126, Indonesia email: [email protected] tel +62 8175749564

Pit Wall Angles and Bench Width – How Do They Relate?

دریافت قیمت & get price

May 10, 2015 · The wall of an open pit wall will consist of a series of stacked benches. Geotechnical engineers will normally provide the pit slope design criteria based on the interramp angle ("IRA") for various sectors around the pit. The IRA represents the toetotoe slope angle, as shown in the diagram below. The interramp angle can be

A Strategic Rock Mechanics Study for The Kevitsa Open Pit

دریافت قیمت & get price

•The Boliden Kevitsa open pit mine is revising its strategic plan •New pit optimization project undertaken to investigate an increase in production •Getechnical slope design parameters for the final pit depth (and possibly deeper pit), also need to be analyzed (bench, interramp, overall slopes) Background

Guidelines for Open Pit Slope Design CSIRO Publishing

دریافت قیمت & get price

Guidelines for Open Pit Slope Design is a comprehensive account of the open pit slope design process. Created as an outcome of the Large Open Pit (LOP) project, an international research and technology transfer project on rock slope stability in open pit mines, this book provides an uptodate compendium of knowledge of the slope design processes that should be followed and the tools that are

Slopestability LinkedIn SlideShare

دریافت قیمت & get price

May 06, 2011 · This is particularly so because the most unstable parts of the earth are at the plate boundaries and it is also here that young fold mountain belts are formed and there are high relief and steep slopes Most open pit operators are familiar back break form blast, but most people only consider the visible breakage behind the row of holes of the

Workshop: Key Elements of Mine Water Management and Slope

دریافت قیمت & get price

Learn about effective mine water management and geotechnical design through all phases of a mining project. This 1.5day workshop will work through open pit and underground mine dewatering, slope stability, pore pressure depressurization and most importantly, cost

Open Pit Mine Design Germany Itasca Consultants

دریافت قیمت & get price

Itasca specializes in the assessment of slope stability and design of pit slopes on bench, interramp, and global mine scales. Itasca performs slope, instrumentation, and remediation design at many of the world''s largest open pit mines. Expertise in slope stability is not limited to open pit slopes.

SRK to Host Workshop: Key Elements of Mine Water

دریافت قیمت & get price

Learn about effective mine water management and geotechnical design through all phases of a mining project. This 1.5day workshop will work through open pit and underground mine dewatering, slope stability, pore pressure depressurization and most importantly, cost

FracMan® discrete fracture network analysis supports

دریافت قیمت & get price

However, the steeper the pit walls are, the more vulnerable they are to collapse, endangering workers and delaying production. This was the question faced by the owners of an openpit iron mine in Europe. The mine had already experienced one major collapse of the pit wall.