raise boring definition

  • (PDF) Drilling and blasting as a tunnel excavation method

    [Show full abstract] depth of 1,260 m and a diameter of 7.10 m.The raise boring method is purely mechanised and consists of two steps: Pilot boring and reaming. Depending on the rock hardness, the ...

  • BORING | definition in the Cambridge English Dictionary

    boring meaning: 1. not interesting or exciting: 2. not interesting or exciting: . Learn more.

  • Raise Design and Operations Blasting

    Raise boring creates void space for blast patterns to break into. In the left hand drawing, raise boring can be done in a topsill or bottomsill - whichever case the mining plan permits. On the right is a representation of a typical blasting pattern with timing.

  • A better way to presplit - Mining & Construction online

    Model of efficiency: At the Aitik mine in Sweden the SmartROC D65 drills a row of presplit holes 33 m deep at an angle of 20 degrees (from the vertical).

  • What does boring mean?

    Definition of boring in the Definitions dictionary. Meaning of boring. What does boring mean? Information and translations of boring in the most comprehensive dictionary definitions resource on .

  • Difference Between Drilling and Boring

    Nov 17, 2012 · Common examples of boring process are boring of the cylinders of internal combustion engines and boring of the gun barrels, but there are numerous applications. What is the difference between Drilling and Boring? • Drilling is the process of perforating a solid material surface using a drill bit to create a cavity.

  • Ore pass practice in Canadian mines - SAIMM

    (as opposed to raise boring, which requires that both the bottom and top accesses be developed) and a strong expertise of local mining contractors are also contributing factors. In the surveyed Ontario mines, raise boring was used for 30% of excavated ore pass sections, while Alimak was used in 39%. The rationale for the use of raise boring was to

  • Boring | Definition of Boring at Dictionary

    Jan 07, 2015 · Boring definition, causing or marked by boredom: a boring discussion; to have a boring time. See more.

  • Raise boring machine | Article about raise boring machine ...

    Find out information about raise boring machine. A machine that is used to drill pilot holes between levels in a mine, and to ream the pilot hole to the finished dimension of the raise Explanation of raise boring machine. Raise boring machine | Article about raise boring machine by The Free Dictionary.

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  • What is raisebore drilling? - Quora

    Aug 22, 2016 · In mining terminology, a raise is a shaft which connects one level of a mine to a higher level, often the surface. Raises are often used to provide ventilation, electricity etc. to the mine tunnels below. Raiseboring is the process of boring a rai...

  • LEOs Zusatzinformationen: raise boring - das Aufbruchbohren

    Das Substantiv (Hauptwort, Namenwort) dient zur Benennung von Menschen, Tieren, Sachen u. Ä. Substantive können mit einem Artikel (Geschlechtswort) und i. A. im Singular (Einzahl) und Plural (Mehrzahl) auftreten.

  • Company – Herrenknecht AG

    Boxhole Boring Machine (BBM) Boxhole Backreaming Machine (BBR) Reef Boring Machine Raise Boring Rig (RBR) Raise Boring Reaming Heads and Cutting Tools Shaft Boring Roadheader (SBR) Shaft Boring Cutterhead (SBC) Shaft Boring Extension Machine (SBE) Vertical Shaft Sinking Machine (VSM) Shaft Drilling Jumbo (SDJ) Shaft Boring Machine (SBM)

  • Bring | Definition of Bring by Merriam-Webster

    Bring definition is - to convey, lead, carry, or cause to come along with one toward the place from which the action is being regarded. How to use bring in a sentence. to convey, lead, carry, or cause to come along with one toward the place from which the action is being regarded. See the full definition.

  • Master Drilling | Masters in Cutting-Edge Drilling Solutions

    Sep 10, 2019 · Headquartered in South Africa, Master Drilling is one of the largest rock boring and drilling services providers in the world. We focus firmly on innovative and tailored solutions, including support and training, underpinned by strict adherence to global health and safety standards.

  • raise the bar - Redpath Mining

    raise-boring machine, it is important to be aware of the rock characteristics, strengths and elasticity/toughness before considering the diameter and depth of the raise to be excavated. A raise-boring raise the bar Ailbhe Goodbody examines recent trends in raise boring and some of the mining projects where it is currently in use A 7.3m-diameter

  • Raise borer - Howling Pixel

    One impressive use of raise boring is the 7.1 m diameter shafts for 's Middelbult and Bosjesspruit Mines in South Africa. [2] The boxhole borer (or machine roger) is a variant of a raise borer that is used when there is not enough space on the higher of the two levels to be connected.

  • LEOs Zusatzinformationen: raise boring

    Das Substantiv (Hauptwort, Namenwort) dient zur Benennung von Menschen, Tieren, Sachen u. Ä. Substantive können mit einem Artikel (Geschlechtswort) und i. A. im Singular (Einzahl) und Plural (Mehrzahl) auftreten.

  • Boring - definition of boring by The Free Dictionary

    Synonyms: boring, monotonous, tedious, irksome, tiresome These adjectives refer to what is so lacking in interest as to cause mental weariness. Something that is boring fails to hold one's interest or attention, often resulting in listlessness or impatience: I had never read such a boring book. What is monotonous bores because of lack of variety: "There is nothing so desperately monotonous as ...

  • RBM - Raise Boring Machines | AcronymAttic

    RBM is defined as Raise Boring Machines rarely. RBM stands for Raise Boring Machines. Printer friendly. Menu Search "AcronymAttic. Abbreviation to define. Find. Examples: NFL, NASA, PSP, HIPAA. Tweet. What does RBM stand for? RBM stands for Raise Boring Machines. Advertisement: This definition appears rarely. See other definitions of RBM ...

  • Raise borer - Wikipedia

    The finished raise has smooth walls and may not require rock bolting or other forms of ground support. One impressive use of raise boring is the 7.1 m diameter shafts for 's Middelbult and Bosjesspruit Mines in South Africa. The boxhole borer (or machine roger) is a variant of a raise borer that is used when there is not enough space on ...

  • Raise bored slot raises: A modern mining technique

    raise boring and the effects that these may have on future underground mining. The idea of raise boring application in mine production may not be brand new, but recent results may initiate a revolution in thinking, and possibly create a new mining standard. Raise boring utilises brute strength to .

  • Serviceway legal definition of serviceway - Legal Dictionary

    While raise boring has traditionally been used for ventilation, main shafts and serviceways," he said, "the new SBM-400SR (the SR standing for Slot Raise) brings the technology to mine production.

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  • What is RAISE BORER? What does RAISE BORER mean? RAISE ...

    Apr 26, 2017 · What is RAISE BORER? What does RAISE BORER mean? RAISE BORER meaning - RAISE BORER definition - RAISE BORER explanation. Source: Wikipedia article, adapt...

  • Raised basement | Article about raised basement by The ...

    The structure, designed by Benjamin Silliman and James Farnsworth, originally stood at eight stories--excluding a raised basement and an attic--and was one of the city's tallest buildings when construction was completed in 1880.

  • Raise anger legal definition of raise anger

    Definition of raise anger in the Legal Dictionary - by Free online English dictionary and encyclopedia. What is raise anger? Meaning of raise anger as a legal term.

  • Raise Design and Operations Blasting

    Background - Raise Blasting Definition. A raise is a vertical or inclined opening developed upward from one level to connect with a level or levels above. Raises are used in underground mines for access, ventilation, ore or waste passes, or to provide an initial free face for production blasting. ... Raise Boring .

  • PAY RISE | meaning in the Cambridge English Dictionary

    pay rise definition: 1. an increase in the amount of money you earn for doing your job 2. an increase in the amount of.. Learn more.

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  • RAISING | meaning in the Cambridge English Dictionary

    raising definition: 1. present participle of raise 2. to lift something to a higher position: 3. to cause something to.. Learn more.

  • Mining Modules quiz cards Flashcards | Quizlet

    Mining Modules quiz cards. STUDY. PLAY. What is the purpose of mining? The extracting of naturally occurring substances, (solid, liquid or gas) from the ground for utilitarian purposes for humans. ... shaft sinking and raise boring Surface: bucket wheel excavators, ripper, mechanical dredges. What is Raise Boring? ... Definition of explosives.

  • Raise a stink - Idioms by The Free Dictionary

    Definition of raise a stink in the Idioms Dictionary. raise a stink phrase. What does raise a stink expression mean? Definitions by the largest Idiom Dictionary.

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