slope blasting technique
  • Blasting damage in rock - rocscience.com

    By far the most common technique of rock excavation is that of drilling and blasting. From the earliest days of blasting with black powder, there have been steady developments in explosives, detonating and delaying techniques and in our

  • Improved Blasting and Bench Slope Design at the Aitik Mine

    most notably blasting techniques. Building upon previous development work, new field trials were conducted Building upon previous development work, new field trials were conducted in conjunction with trimming of the footwall slope to increase ore extraction.

  • Stabilization and control of local rock falls and ...

    to investigate the variation in overbreak and fracturing with blasting technique. Close Close trimming of faces by pre-split blasting (Langefors & Kihlstrom 1963) may permit the use of

  • CHAPTER 5 SURFACE AND SLOPE PROTECTIVE MEASURES

    Selection criteria for slope stabilization methods 5.2.1 Site Analysis In order to ensure success of any revegetation effort, it is necessary to prepare an overall plan which considers the climate, vegetation, and microsite (soils, microclimate, slope, and aspect).

  • (PDF) Effect of blast vibration on slope stability

    There is a significant amount of past evidence that links blasting and occurrences of slope failure. Particularly of great concern at Telfer Gold Mine is the effect of open pit blasting on the ...

  • slope blasting technique - manolopoulos.eu

    Stability Analysis of Cut Slopes Using Continuous Slope. The continuous slope mass rating (CSMR) technique has been used for of Cut Slopes Using Continuous Slope Mass Rating and drilling and blasting technique.

  • A REVIEW OF THE DESIGN CRITERIA AND PRACTICAL ASPECTS OF ...

    The perimeter blasting technique used depends on the rock type. Blasting of weak, highly fissured Blasting of weak, highly fissured ground requires a more conservative design than blasting in …

  • Projects | BAT Construction Ltd. | Specialists in Slope ...

    Projects. BAT Construction Ltd. has undertaken many unique and challenging projects since opening our doors in 1988. Specializing in Slope Stabilization Techniques, successful completion of our projects is due to the range of excellent skills provided by our personnel.

  • Guidelines for Open Pit Slope Design 3 - Design - …

    Discuss the steps required to achieve good wall control through the application of controlled blasting techniques, and the provision of excavation and scaling techniques, artificial slope support, and reinforcement measures to ensure slope stability.

  • The assessment of slope stability and rock excavatability ...

    blasting methods are used for the excavation. However, the maximum slope height (Hmax) in However, the maximum slope height (Hmax) in blasting operations is required to be lower for durable slope faces.

  • Effect of Blast Vibration on Slope Stability

    blasting on the stability of the footwall slope above the underground portal and the stability of underground structures. For this reason, Newcrest Mining Ltd. invited

  • slope blasting technique - availablebursaries.co.za

    Delayed Blasting Tests to Improve Highwall Stability - A ... Delayed Blasting Tests To Improve Highwall Stability-A Progress Report ... operators usually using better blasting techniques. ... damages the rock slope the New method for dynamic stability analysis of rock slope ...

  • Rock Slope Stability Analysis - Utilization of Advanced ...

    2 Rock Slope Stability Analysis - Utilization of Advanced Numerical Techniques Dr. Erik Eberhardt University of British Columbia Geological Engineering/Earth and Ocean Sciences, UBC, 6339 Stores Rd., Vancouver, BC, V6T 1Z4, CANADA

  • Context Sensitive Rock Slope Design Solutions - Caltrans

    CONTEXT SENSITIVE ROCK SLOPE DESIGN SOLUTIONS Publication No. FHWA-CFL/TD-11-002 January 2011 Central Federal Lands Highway Division 12300 W. Dakota Ave.

  • THE IMPORTANCE OF FORMER QUARRY ROCK SLOPE …

    blasting technique had produced unstable rock slope face [17]. Geo-environmental problems identified in the abandoned quarry sites are slope stability problems such as sliding, toppling [9] and the quality of rock mass. Due to improper blasting design, the excessive over-blasting has caused the widening of major joints, excessive over-breaks, unstable and loose overhanging blocks [1, 18]. This ...

  • Construction Planning, Equipment, CHAPTER BLASTING ROCK

    and Methods BLASTING ROCK By Dr. Ibrahim Assakkaf ENCE 420 – Construction Equipment and Methods Spring 2003 Department of Civil and Environmental Engineering University of Maryland, College Park CHAPTER 13. BLASTING ROCK ENCE 420 ©Assakkaf Slide No. 1. 2 CHAPTER 13. BLASTING ROCK ENCE 420 ©Assakkaf Slide No. 2 CHAPTER 13. BLASTING ROCK ENCE 420 ©Assakkaf …

  • Technical Measures on Decreasing Harm to Slope …

    The harm to slope stability caused by blasting is a potential problem in construction of highway, railway, mine and other engineering. Compared with other blasting technology, the harm to slope stability caused by chamber blasting is often much serious.

  • Rock Slopes - dot.state.mn.us

    Rock Slopes The Geotechnical Section provides rock slope recommendations for new and existing sites where construction requires removal of bedrock in the back slope.

  • slope blasting technique - seadoone.co.za

    Stabilization and control of local rock falls and, Stabilization and control of local rock falls and degrading rock service Email alerting, artificial rock slopes where only minor or local instability is likely to occur or where the slope, to investigate the variation in overbreak and fracturing with blasting technique …

  • EARTH EXCAVATION, GRADING – Item No. EXCAVATION FOR ...

    Cushion Blasting: means a wall control blasting technique involving the placing of a single row of closely spaced holes along the excavation limits, loading them with light, well distributed charges,

  • Rock Engineering Practice & Design

    Specialized Blasting Techniques D i bl ti th During blasting, the expli dlosive damage may t l di not only occur according to the blasting round design, but there may also be extra rock damage behind the excavation boundary. To minimize damage to the rock a prerock, a pre-split blast (surface excavation) or smooth-wall blast (underground) may be used to create the final excavation surface. Pre ...

  • Subject: Rock Slope Design - British Columbia

    All rock slope designs assume smooth wall controlled blasting techniques and scaling as minimum slope construction and stabilization techniques. Rock slope construction and slope stabilization methods such as slope mesh and rock bolting are to be undertaken as necessary to reduce risk, following the latest Ministry Standard Specifications for Highway Construction unless otherwise …

  • SAIMM - Slope Stability 2015-Past Events

    > Slope excavation-latest blasting techniques > Support and stabilisation of slopes > Groundwater issues in slope stability > Slope management > Financial aspects and slope stability > Case studies. Call for papers The Conference is being organised by The Southern African Institute of Mining and Metallurgy, and papers are invited for the Conference. Prospective authors are invited to submit ...

  • Australian Centre for Geomechanics | Slope 2013 ...

    Blast induced damage mechanism on final walls and the blasting methods to minimise damage Proceedings of the 2013 International Symposium on Slope Stability in Open Pit Mining and Civil Engineering, Slope 2013

  • Slope Protection of High Embankments - Ijaresm

    Benching is a popular technique used on cut slopes in mining, or where a break in slope is required to retain rockfall in road cuts. It is also useful in breaking up the span of a high rock cut in order to make the slope appearance more

  • Stability Analysis of Cut Slopes Using Continuous Slope ...

    The rock slope is being excavated using drilling and blasting technique. The uncontrolled blasting and drilling operation for excavations of slope lead to the failure of large size blocks ( Figure 6 ).

  • Chapter 10 Contour Blasting Technique for Surface Excavation

    328 10 Contour Blasting Technique for Surface Excavation charge in an adjacent hole, it can be shown by calculations that there is a three-fold increase of the stress at the two points of the empty hole that are closest and farthest

  • Slope stability analysis - Wikipedia

    Conventional methods of slope stability analysis can be divided into three groups: kinematic analysis, limit equilibrium analysis, and rock fall simulators. Most slope stability analysis computer programs are based on the limit equilibrium concept for a two-or three-dimensional model.