sublevel stoping mining method in philippines

Edumine Design and Application of Sublevel Stoping MethodsKnow More

Oct 31 2019 0183 32 This course refers to the generic mining method of sublevel stoping The most commonly used sublevel stoping mining methods are sublevel open stoping long-hole open stoping or blasthole stoping and vertical crater retreat VCR Variations of this method include vein Alimak mining transverse stoping Avoca and longitudinal mining Sublevel stoping accounts for more...

sublevel stopingKnow More

a In this mining method the ore is excavated in open stopes retreating from one end of the stope toward the other The orebody is developed first by a series of sublevel drifts above the main haulage level The sublevels are connected by a starting raise at one end of the stope and by a passageway raise for entrance to them and the stope face at the other end...

Major Mines Projects Freda Rebecca MineKnow More

A sub-level stoping mining method is predominantly employed and the ore is trucked to surface using a variety of articulated dump trucks One-way haul distances are of the order of 3-37km and the cycle time for trucking is typically 45 min Adaptations of this mining method as well as room and pillar mining are undertaken depending on the...

PDF Optimization of ring blasting in sublevel stopingKnow More

Lece mine utilizes sublevel stoping mining method with drilling and blasting as main excavation technology Drill holes 75mm are drilled in ring/fan pattern from the level...

Sub Level CavingKnow More

Sub level caving After more than 30 years of open pit mining Rana Gruber AS started underground mining using the sublevel open stoping method at the Kvannevann Mine in 2000 The mining has been continuously improved and further developed to suit the difficult rock conditions in the area and to reduce operating costs...

OPTIMIZATION OF RING BLASTING IN SUBLEVEL STOPINGKnow More

Lece mine utilizes sublevel stoping mining method with drilling and blasting as main excavation technology Drill holes 75mm are drilled in ring/fan pattern from the level of sublevel drift using hydraulic hammer ANFO is used as main explosive while initiation...

OPTIMIZATION OF PRODUCTION PLANNING INKnow More

optimization model for open stoping mining method The stope design model maximizes Net cash flow of the stope while adhering to the stope constraints The methodology considers open stoping sequence in which every block is moved towards the cross-cuts at the lower level...

Sublevel open stopping assignmentKnow More

Dec 16 2014 0183 32 1 Sublevel open stopping Virendra suryawanshi 10108EN066 2 Sublevel open stopping sublevel stoping is a vertical mining method in which a large open stope is create within the vein This open stope is not meant to be occupied by the miners therefore all work of drilling and must be performed from sublevel within the ore block...

Major Mines ProjectsKnow More

The primary mining method at the Project is long-hole stoping which is a cost effective method to mine the complex geology at the Project and benefits from a quick stope cycle time In areas where mineralization does not warrant the development of a ramp access system Klondex employs captive sublevel stoping methods...

Sub Level Open Stope Ventilation Design at Mount IsaKnow More

Open stoping is currently the mining method employed and is used for primary stoping and pillar recovery adjacent to cement fill walls The development of stoping methods in the 1100 Orebody has been documented by Kirkby RW Blair JR and Hutton RC 19781 Hornsby B and Sullivan BJ 1978 and Alexander EG and Fabjanczyk MW 1981...

PDF Economic Comparison of Drilling Systems in SublevelKnow More

As a final point by studding of dissimilar production costs we could decide about selecting the most doable system 2 Sublevel stoping method in brief Sublevel stoping is one of the most useful underground mining methods in steeply dipping hard-rock ore bodi Herein mining method existence of a high plunge length in the ore body is essential...

Underground Mining Methods and EquipmentKnow More

1 Underground Mining Methods 11 Classification of Underground Mining Methods 12 Underground Operations in General 13 Room-and-pillar Mining 14 Sublevel Stoping 15 Cut-and-fill Stoping 16 Longwall Mining 17 Sublevel Caving 18 Block Caving 2 Underground Mining Machinery Glossary Bibliography Biographical Sketches Summary...

Sublevel StopingKnow More

Sublevel stopping is a productive large scale mining method that enables a multitude of production points in operation at the same time offering good productivity and low dilution Sublevel mining method...

POSSIBILITY OF APPLICATION OF BACKFILL METHODS WITHKnow More

Figure 3 - Sublevel open stoping method 2007 32 Bighole stoping method Bighole stoping is an up-scaled variant of sublevel open stoping using longer larger-diameter DTH blastholes ranging from 140 mm to 165 mm Blast patterns are similar to sublevel open stoping but with holes up to 100 m long However the risk of...

Underground Mining MethodsKnow More

as mining nears completion to allow the natural collapse of the roof Sublevel Stoping Sublevel stoping is a mining method in which ore is blasted from different levels of elevation but is removed from one level at the bottom of the mine Before mining begins an...

CN105822307AKnow More

The invention relates to the technical field of stoping methods and particularly relates to an underhand sublevel open stoping method The underhand sublevel open stoping method comprises the following steps firstly arranging an ore block along the direction of an ore body and dividing the ore block into an ore room and an ore column dividing the ore block into 3-5 sublevels in the vertical...

Mining Stope Development MethodKnow More

Table of ContentsStopingStope-Development MethodsRaisesCost of Driving Raises Stoping The foregoing discussion relates to general mine development and covers the work required to reach and penetrate the ore bodies and to provide the main arteries through which the ore is taken from the mine These arteries provide mine drainage and avenues for travel and transportation of men and supplies...

Sublevel Stoping Mining Method by Michico YolandaKnow More

TERIMA KASIH Sublevel Stoping Mining Method Karakteristik Oleh Evan Anindita Michico Yolanda Susan Indri Liani Kelebihan - Produktivitas Tinggi - Peledakan dapat dilakukan dalam skala besar - Dapat menggunakan alat-alat besar - Recovery Cukup Tinggi sekitar 75 - 90 -...

Considerations for Sublevel Open StopingKnow More

Sublevel stoping generally is a large-scale open stoping method It sometimes is referred to as long-hole or blasthole stoping This method usually is applied to strong ore bodies that require minimal support and are surrounded by strong country rock The ore body should be...

Sublevel Room and Pillar StopingKnow More

Sublevel Room and Pillar Stoping Vertically there are 3-4 sublevels in the stope room with each measuring 12-15m in height At each sublevel medium- and deep-hole drill is adopted to construct upward fan-shaped holes and charging jumbo to put explosives into the hol Caved ore is discharged by scraper into orepass...

Sublevel Stoping version 2 Australia Mining ConsultantsKnow More

Dec 04 2019 0183 32 Sublevel Stoping SLS is often regarded as a mining method for steeply dipping deposits in competent rock The method involves extracting the ore between the sublevels The sublevele intervals varies from mine to mine The operation includes...

Production scheduling optimisation for sublevel stopingKnow More

Oct 01 2020 0183 32 Among underground mining methods sublevel stoping are a commonly used method in large-scale mining It is a versatile and productive method that is primarily used for steeply deeping orebodies with regular shape defined ore boundaries and competent ore and host rock The sequence and extraction of stopes is critical in maximizing...

Definition of sublevel stopingKnow More

A mining method involving overhand underhand and shrinkage stoping Its characteristic feature is the use of sublevels The sublevels are worked simultaneously the lowest on a given block being farthest advanced and the subs above following one another at short intervals The uppermost sublevel underneath the cover is partly caved...

Long Hole DrillingKnow More

In underground applications mainly water flushing and in surface applications air flushing is used to remove the drilling cutting from the hole Long hole drilling is used in various mining methods like sublevel open stoping and VCR stoping It is also used in special applications like cable bolting and slot and inverse raising Browse products...

Mining Funda Sublevel CavingKnow More

A stoping method in which relatively thin blocks of ore are caused to cave by successively undermining small panels The ore deposit is developed by a series of sublevel spaced at vertical intervals of 18-25 ft or 30 ft and occasionally more Usually only one or two sublevels are developed at a time beginning at the top of the ore body...

Sublevel stoping mining methodKnow More

Nov 22 2019 0183 32 Sublevel stoping is a commonly used method in large scale mining It is a versatile and productive method that is primarily used for large ore bodies with a...

Application of Mathematical Programming for Stope LayoutKnow More

sublevel stoping mining method because of some condition such as the alignment of the extraction level and non-concurrent production Copland et al 2016 Based on Topal 2008 the optimization of three aspects of the underground mine planning is the center of the attention These aspects are stope layout production scheduling and...

Sublevel stopingUnderground mining methodsKnow More

Oct 22 2014 0183 32 Sublevel stopingUnderground mining methods 1 Hassan Z Harraz hharraz2006 yahoo 2014- 2015 This material is intended for use in lectures presentations and as handouts to students and is provided in Power point format so as to allow customization for the individual needs of course instructors...

Sublevel Stoping Method in MiningKnow More

Sublevel Stoping Method in Mining Sublevel Stoping Method in Mining 126 بارگذاری ویدیو...

PDF Método de minado sublevel stoping en corporaciónKnow More

Since 2009 Corporacion Minera SA Castrovirreyna has been making changes in the management of all process Where is imperative to increase productivity at low cost and without affecting safety and the environment The implementation of sublevel stoping mining method is an attractive and affordable alternative that can meet the objectives of increasing productivity at low cost with good...