shaft headframe layout

  • Shaft 2 Headframe – NCCS LLC

    shaft and headframe steel scope. This scope consisted of 1,300 tons of structural steel and platework. For this process, Mosaic engaged Saskarc to support by providing modularization expertise through the design and constructability review phases. During the initial design phase, Saskarc supported through emails, conference calls and WebEx ...

  • Designing a shaft system

    Headframe modelled using 3D technology. ... The contract for the design and engineering of Shaft 2 was awarded to Murray & Roberts Cementation in June 2014 and work started on sinking it in 2016.

  • IS (1988): Steel headframes for mines, Part 1 ...

    This document specifies the design loads and the design procedures for the structural design of headframe structures of mine shafts and their components for permanent and sinking operations. The headframe includes all structures and their foundations, that are required at the head of all vertical and decline mine shafts for the purposes of ...

  • Shaft 2 Headframe – NCCS LLC

    Dec 30, 2019· Design of Shaft System The shaft system design specifies the following : The specifications of the winding system and location of winder Shaft cross-section showing the position of conveyances, guides, pipelines, etc General configuration of headframe giving overall levels and dimensions Various insets and openings in the shaft. 14.

  • 288 Mine Shaft Head Frame Photos - Free & Royalty-Free ...

    Headframe project is one of the biggest project constructed in Oyu Tolgoi project site. General The Oyu Tolgoi Shaft No 2 is a vertical downcast ventilation shaft. The shaft is a 10 m finished diameter monolithic concrete-lined shaft and sunk to a depth of approximately 1284.2 m below the shaft collar.

  • Shaft construction - QueensMineDesignWiki

    Site establishment commenced last October and GCR Mongolia started with civils and construction of the pre-sink, which is the initial part of the shaft that the stage has been lowered into. Since June this year, the team has been busy erecting the structure of the headframe and buildings for services that support the sinking works.

  • Deep Thinking: Shaft Design and Safety for a New ...

    Method selection & design. We offer interpretation of geotechnical and hydrogeological assessment yield information for shaft excavation method selection and support including: Shaft collar and presink design; Headframe foundation design; Raise bore or blind borer foundations; Short term and long-term wall stability; Face stability for raise ...

  • Shaft 4 at Oyu Tolgoi progresses - Mining Magazine

    Headframe of the #1 Shaft at Oyuu Tolgoi. A steel headframe is less expensive than a concrete headframe; the tallest steel headframe measures 87 m. [4] Steel headframes are more adaptable to modifications (making any construction errors easier to remedy), and are considerably lighter, requiring less substantial foundations.

  • Subject: Mosaic Esterhazy CS509 North Shaft Headframe …

    Production shaft The production shaft is 1 290 m deep, 7.4 m in internal diameter and lined with 300 mm thick concrete. The shaft is equipped with four skips operated in pairs by two 6.2 m diameter tower mounted Koepe winders, with integrated motors. Each skip is guided in the shaft on four guide ropes and four tail ropes balancing the system.

  • Mine Shaft Engineering | pitt&sherry

    Headframe of the #1 Shaft at Oyuu Tolgoi. A steel headframe is less expensive than a concrete headframe; the tallest steel headframe measures 87 m. [4] Steel headframes are more adaptable to modifications (making any construction errors easier to remedy), and are considerably lighter, requiring less substantial foundations.

  • Assembling of Steel Angle Headframe of Multifunctional ...

    Production shaft The production shaft is 1 290 m deep, 7.4 m in internal diameter and lined with 300 mm thick concrete. The shaft is equipped with four skips operated in pairs by two 6.2 m diameter tower mounted Koepe winders, with integrated motors. Each skip is guided in the shaft on four guide ropes and four tail ropes balancing the system.

  • Headframe - WikiMili, The Free Encyclopedia

    The shaft frame, sheaves, hoisting arrangements, dumping gear, and connected works at the top of a shaft or pit. Also called headgear. Ref: Pryor, 3 iii. Includes all the raised structure around the shaft that is used for loading and unloading cages. Ref: Mason iv. Can. Gallows over the shaft to which cable for hoisting is attached. Ref: Hoffman

  • ELPASOLODE,HEADFRAME HAER C0-92-A C0-92-A

    Jan 01, 2019· "On the basis of analyzing current design and applications, the structure form, working loads and design principles of shaft sinking headframe are summarized in this paper. To overcome the insufficient bearing capacity and geometry size of the finalized shaft sinking headframe in China, a series of new large shaft sinking headframe were ...

  • 288 Mine Shaft Head Frame Photos - Free & Royalty-Free ...

    The Ross Shaft was designed to meet production requirements for Homestake, when the Ellison, the main production shaft, began to suffer from subsidence. The new shaft was closer to the south-plunging ore body, providing access to an additional 6.5 million tons of ore in an area known as 9 Ledge. The ore averaged 0.269 ounces of gold per ton.

  • 356 Mining Headframe Photos - Free & Royalty-Free Stock ...

    Shaft 2 Headframe Oyu Tolgoi, Mongolia Prior to the recommencement of mining activities onsite, Rio Tinto engaged Minstaff Survey to complete a high definition 3D Laser Scan of the Shaft 2 Headframe in order to generate a precise and comprehensive as-built model for rectification works.

  • New Technical Solution for Vertical Shaft Equipping Using ...

    The article reviews a novel approach to the design of steel angle headframe for vertical shafts of coal and ore mines on the basis of rational design solutions. Practice of construction of coal and ore mines provides application of various designs for steel angle headframes which are divided into separate large assembly blocks and constructive elements during assembling operations.

  • Shaft Sinking Structures - Leedem

    Design. Modern headframes are built out of steel, concrete or a combination of both. Timber headframes are no longer used in industrialized countries, but are still used in developing nations.Conventionally steel headframes are used when a drum hoist is employed, and concrete headframes are built for friction hoists; however a steel headframe can be used with a friction hoist for shafts with a ...

  • Headframe rises at Macassa Mine - Northern Ontario Business

    Numerous advantages to a circular design are also seen in the construction of the development opening. Most mechanized equipment used in shaft sinking is more suited to a round shape rather than a rectangular because all points on the periphery are along the same radius for the axis of the shaft due to the symmetrical work area.

  • New multifunctional headframe design - ResearchGate

    The article reviews new technical solution on equipment provision of vertical shaft utilizing steel headframe of multifunctional purpose. Practice of construction of coal and ore mines provides application of various designs for steel angle headframes which are divided into separate large assembly blocks and constructive elements during assembling operations. Design of these blocks and ...

  • Headframe - Wikipedia

    headframe (tower elevation) of old mine shaft and closed with electrical distribution tower with ceramic and glass insulators Headframe Lit for the Holidays. Tall, steel structure called gallows frame, gallus frame, or headframe, marks the remnants of a mine in Butte, MT

  • Mining Weekly - Headframe modelled using 3D technology

    Mine Shaft Headframe. Timbered Mine Shaft Head Frame in the Nevada Desert with Blue skies and clouds. Mine Shaft Headframe. Timbered Mine Shaft Head Frame in the Nevada Desert. Abandoned disused mine shaft head gear. With cloudy background. Old concrete head frame at a closed down mine in Sweden. Stallberg, Sweden, .

  • Shaft 2 Headframe, Oyu Tolgoi - Minstaff Survey

    - The main corner posts length deviation < 0.001 L (L is the design length, absolute length deviation <10mm) - Total corner posts (from bottom to top of headframe) deflection < 10 mm - Sheave deck section height deviation +- 3mm - Drilled hole ovalness: for 16 – 20mm hole, <0.5mm; for 24mm and larger holes, <1mm

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