underground shotcrete robot pdf in chile

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  • Fully Automated Shotcrete Robot for Rock Support

    2019-8-29 · Shotcrete application as the first step of rock support often has to be done in a zone of danger (rock fall). With use of the robot, the safety of the worker can be improved. The handling of the robot is easier and less strenuous than steering a manipulator.A basic difference between common manipulators and the new robot is that the user ...

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  • Underground Shotcreter WR810 Unit - with Robotic Arm

    2020-10-27 · Underground Shotcrete Unit – with Robotic Arm Forward Mount or Centre Mount Operator Station options are available Engine Engine Model Cat C7.1 ACERT™ Gross Power - SAE J1995 168 kW 228 hp Net Power - SAE J1349 158 kW 214 hp WR810 Underground Shotcreter Unit - with Robotic Arm Operating Weight Tare 14,250 kg 31,416 lb GVM 30,000 kg ...

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  • Robotic Machine for High-Quality Shotcrete Process

    2016-2-16 · geneity and thickness of shotcrete layers. There are both technical and economical reasons that justify this interest: On the one hand there is the need of guaranteeing a mini-mum shotcrete thickness [1], while having the minimum required structural strength. On the other hand, contractors also do not want to place extra shotcrete on the walls, for

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  • Mechanical Application of Shotcrete in Underground ...

    2021-5-27 · 22 Shotcrete | Fall 2020 www.shotcrete.org INTRODUCTION The manual hand application of shotcrete began over 100 years ago and continues today in a wide range of applications and projects. To provide a proper distance of the shotcrete nozzle tip …

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  • Rapid mine development using efficient in-cycle shotcrete

    C Munoz Sika Chile, Chile M Hansson Sika Services AG, Sweden R Erlangga Sika Indonesia, Indonesia Abstract Fibre-reinforced shotcrete has proven to be the material of choice when it comes to rapid and efficient underground support in large mining projects. For large block caving projects, in-cycle shotcrete is

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  • Spraying Shotcrete Overhead in Underground Applications

    2020-1-30 · www.shotcrete.org Summer 2019 | Shotcrete 1 INTRODUCTION GeneralI n underground applications, spraying shotcrete overhead is a standard and daily operation but successful appli­ cation is challenging. Shotcrete placement propels concrete at high velocity against the overhead surface and the dynamic energy compacts the concrete in place.

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  • 08 Shotcrete Quality Control & Testing for an

    2009-10-15 · shotcrete robot used Boiled absorption and volume of permeable voids ASTM C642 One heading per week for each shotcrete robot and each shotcrete crew used Compressive strength of cores extracted from shotcrete test panel at age 1 day (1 core), 7 days (1 core) and 28 days (2 cores) ASTM C1140 ASTM C1604

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  • UNDERGROUND MINING SOLUTIONS - Orica

    shotcrete, and extra ground support) is a cost and reduces draw point availability. The rill of material at a sub level cave draw point is inherently unstable as it is the flow of material after broken ore has been withdrawn. It can move due to subsidence of compacting material over time or through destabilisation due to external movement.

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  • (PDF) Spraying Shotcrete Overhead in Underground ...

    In underground applications, spraying shotcrete overhead is a standard and daily operation but successful appli­ cation is challenging. Shotcrete placement propels concrete at high velocity ...

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  • Recommended PRactice Shotcreting in Australia

    2015-7-20 · The Australian Shotcrete Society was formed in 1998 as a not-for-profit industry group committed to improving recognition of the value and uses of shotcrete in the Australian mining and construction industries. Its objectives are to promote the use of shotcrete where appropriate, promote good shotcreting practice, and to educate specifiers

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  • Rapid mine development using efficient in-cycle shotcrete

    C Munoz Sika Chile, Chile M Hansson Sika Services AG, Sweden R Erlangga Sika Indonesia, Indonesia Abstract Fibre-reinforced shotcrete has proven to be the material of choice when it comes to rapid and efficient underground support in large mining projects. For large block caving projects, in-cycle shotcrete is

    Get Price
  • Sika at work CHUQUICAMATA UNDERGROUND MINE, CHIlE

    2021-6-13 · and requirements of concrete and shotcrete which makes the Chuquicamata underground project a challenge from a technical as well as a logistical point of view. mining in the atacama Dessert Due to its remote location, more than 1.500 kilometers away from the capital of Chile

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  • SHOTCRETE - Multicrete Systems

    2015-11-5 · SHOTCRETE EQUIPMENT SHOTCRETE EQUIPMENT ALIVA-257 WET/DRY SHOTCRETE UNIT The AL-257 is the universal machine for the application of dry and wet shotcrete in the thin-stream method. Weighing in at 750 kg and as small as a small dry shotcrete machine, the AL-257 fits on every job site and is easy to install and operate.

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  • 08 Shotcrete Quality Control & Testing for an

    2009-10-15 · shotcrete robot used Boiled absorption and volume of permeable voids ASTM C642 One heading per week for each shotcrete robot and each shotcrete crew used Compressive strength of cores extracted from shotcrete test panel at age 1 day (1 core), 7 days (1 core) and 28 days (2 cores) ASTM C1140 ASTM C1604

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  • An Automatic Tunnel Shotcrete Robot

    An Automatic Tunnel Shotcrete Robot. November 2019; DOI: ... Request full-text PDF. ... Due to the narrow space of underground tunnel and the difficulty in measuring more than 2 points by robotic ...

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  • Wet shotcrete trial - SAIMM

    2009-8-27 · An underground wet shotcrete trial was completed last year to determine the effectiveness of wet shotcrete as an alternative support mechanism to dry shotcrete in the kimberlite environment. The wet shotcrete was manufactured at the underground batch plants, transported to site using an agiecar and transferred to the shotcrete pump.

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  • 15 Shotcrete support - home.agh.edu.pl

    2001-1-22 · Shotcrete support 15.1 Introduction The use of shotcrete for the support of underground excavations was pioneered by the civil engineering industry. Reviews of the development of shotcrete technology have been presented by Rose (1985), Morgan (1992) and Franzén (1992). Rabcewicz

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  • SHOTCRETE FOR UNDERGROUND SUPPORT IX

    2018-4-10 · Since then, the use of shotcrete increased with a tremendous rate owing to the abrupt increase of tunneling works particularly for Shinkansen and highway constructions. The annual use of shotcrete for tunnel excavation in Japan reaches 2 million m 3 every year. The tunnel and underground space use has wonderful and tremendous future.

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  • saw El Teniente Mine, Chile - Sika

    2021-6-18 · Chile some 80km south of Santiago at an altitude of around 2600 m.a.s.l. Today, El Teniente is producing more than ... Since underground development started in 1904, well over 2’400 km of underground drifting has been performed at the mine site. ... shotcrete …

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  • 08 Shotcrete Quality Control & Testing for an

    2009-10-15 · shotcrete robot used Boiled absorption and volume of permeable voids ASTM C642 One heading per week for each shotcrete robot and each shotcrete crew used Compressive strength of cores extracted from shotcrete test panel at age 1 day (1 core), 7 days (1 core) and 28 days (2 cores) ASTM C1140 ASTM C1604

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  • Sika Solutions for Sprayed Concrete

    2021-7-1 · 1 Excavation stabilization with shotcrete 2 Sika admixtures for an underground batching plant 3 Sika MiniShot - shotcrete testing in lab-scale 4 Slope stabilization with shotcrete 2 1 3 4 ... entirely shotcrete using Sigunit accelerators through a robot arm. Pongkor Mine, Indonesia

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  • Technoeconomics of Shotcrete Shaft Lining for

    2021-1-19 · The responsive behavior of the shotcrete lining (Singh UK and Singh, 2011) can be analyzed within the convergence–confinement method. The response curve for the shotcrete support can be calculated as: - pi= kc∆us, where ∆us is the deformation of the shotcrete and kc is the stiffness of the shotcrete, given by kc= Ecrr. 2

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  • GUIDELINES & RECOMMENDATIONS

    2014-1-3 · Shotcrete training programs are available from a number of sources. King Packaged Materials Company and its Minequip Division both provide ongoing training to customers who use King materials and/or equipment. All training, whether hands-on training on the safe operation of shotcrete equipment in an underground environment or classroom training

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  • Reliability Analysis for Bolt-shotcrete Support System in ...

    system is essential for the stability control of the underground tunnels. This paper presented a new analytical method for the reliability analysis of bolt-shotcrete support system. Considering the difference of the stiffness of each support unit, the bolt-shotcrete support structure was divided into two

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  • ANÁLISIS COMPARATIVO DE LOS ... - Universidad de Chile

    2017-12-26 · UNIVERSIDAD DE CHILE FACULTAD DE CIENCIAS FÍSICAS Y MATEMÁTICAS DEPARTAMENTO DE INGENIERÍA CIVIL ANÁLISIS COMPARATIVO DE LOS CÓDIGOS INTERNACIONALES ... Guide for Specifying Underground Shotcrete .....9 2.1.9 ÖVBB, Sprayed Concrete Guideline, 2006.....10 2.1.10 NB, Publication Nº 7, Sprayed Concrete for Rock Support - …

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  • SUPPORT IN UNDERGROUND HARD ROCK MINES

    2019-5-20 · bolts and cables, and support, with shotcrete, mesh and steel sets which carry loads from individual rock blocks isolated by structural discontinuities or zones of loosened rock. These notes are intended to assist the underground support engineer in choosing the most appropriate, and the easiest to install, combination of reinforcement and support.

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  • TIME DEPENDENT MATERIAL PROPERTIES OF

    2014-5-26 · ix List of notations Agranite is the granite cross section area Ashcr is the shotcrete cross section area Ecm is the shotcrete average elastic modulus Egranite is the granite elastic modulus fck is the shotcrete characteristic compressive strength fcm is the shotcrete average compressive strength fcm,cube is the average shotcrete cube strength fctm is the shotcrete average tensile strength

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  • 08 Shotcrete Quality Control & Testing for an

    2009-10-15 · shotcrete robot used Boiled absorption and volume of permeable voids ASTM C642 One heading per week for each shotcrete robot and each shotcrete crew used Compressive strength of cores extracted from shotcrete test panel at age 1 day (1 core), 7 days (1 core) and 28 days (2 cores) ASTM C1140 ASTM C1604

    Get Price
  • The system design of external cladding installation robot

    2020-12-29 · tion robot. It can be used for wall inspection and spraying of buildings or large storage tanks. Shenyang Institute of Automation of Chinese Academy of Sciences develops underwater operation robots and excavation robots. Shan-dongUniversityof ScienceandTechnologyandother units have created a coal mine underground shotcrete robot.

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  • Shotcrete Technologies - Mining Technology | Mining

    Shotcrete Technologies has been providing quality products and services to the industry since 1979. The leader in shotcreting for underground projects, infrastructures and new construction, Shotcrete Technologies has a clear advantage over competitors. Shotcrete is all we do. While other companies sell all types of concrete additives and ...

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  • Automatic spraying motion planning of a shotcrete ...

    Rapid development in concrete technology and development of equipment has led to a change from dry hand-operated to wet robot shotcreting in Norway. Shotcrete of more than 100 MPa cube strength can be achieved by the wet method. Wet process shotcreting equipment has been modified to produce shotcrete with a capacity up to 20 m 3 /hour. Low rebound (5-10%) and no excess rebound of steel fibre ...

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  • Shotcrete - Sika Concrete

    2020-3-24 · Mitsui S200 MA roadheader with the addition of an in-house designed rockbolting and shotcrete boom, underground at the Kestrel project. The precast concrete flooring at one of the two drifts at Kestrel. Redpath’s drive for underground coal Redpath has secured its first dedicated underground coal mining contract in Australia.

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  • How is shotcrete used in slope stabilization work ...

    2018-5-15 · Tunnelling & Underground Design Topic 7: Ground Characteristic & Support Reaction Curves 2 of 35 Tunnelling Grad Class (2014) Dr. Erik Eberhardt Support is added to create a stable self-supporting arch within the rock mass over the tunnel/drift opening. Weak Rock - …

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  • Steel Fiber Reinforced Shotcrete—For Rock Support

    2011-3-28 · Chuquicamata (Chile) Classification = open pit copper mine. Pit size = 4,500m long, 3,540m wide Pit depth = 800m (1100m by 2014) Production = 650,000 metric tons/year Ore grade = 1.1% Cu 7 of 30 Erik Eberhardt – UBC Geological Engineering ISRM Edition

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  • Sika at work CHUQUICAMATA UNDERGROUND MINE, CHIlE

    2017-10-24 · and requirements of concrete and shotcrete which makes the Chuquicamata underground project a challenge from a technical as well as a logistical point of view. mining in the atacama Dessert Due to its remote location, more than 1.500 kilometers away from the capital of Chile

    Get Price
  • Shotcrete For Underground Support Vi | Download

    Download Shotcrete For Underground Support Vi Book For Free in PDF, EPUB. In order to read online Shotcrete For Underground Support Vi textbook, you need to create a FREE account. Read as many books as you like (Personal use) and Join Over 150.000 Happy Readers. We cannot guarantee that every book is in the library.

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  • Shotcrete for Underground Support XIII

    2020-7-17 · Shotcrete For Underground Support III April 16-21, 1978 St. Anton, Austria Conference Chair: L.F. Piatnik, Walco Chemical Corporation Shotcrete For Underground Support IV September 5-11, 1982 Paipa, Colombia Conference Chairs: Elwyn King, P.B, Q+D Alberto Murlando, Ingetec Shotcrete For Underground Support V June 3-7, 1990 Uppsala, Sweden

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  • Shotcrete for Underground Support XII

    2016-8-2 · Shotcrete for Underground Support XII Singapore 11 – 13 October 2015 Editors: Ming Lu Oskar Sigl GuoJun Li An ECI Continuing Series Volume 15AV . Printed from e-media with permission by: Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571

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  • Advancements in shotcrete technology

    2015-6-9 · Advancements in shotcrete technology G. Bernardo, A. Guida & I. Mecca Department of European and Mediterranean Cultures, Basilicata University, Matera, Italy Abstract Shotcrete is a cement-based mixture pneuma tically projected at high velocity onto a receiving surface. The material component of shotcrete is essentially concrete or

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  • Design and realization of virtual prototype of

    2016-9-30 · The PJR-2X model shotcrete robot, made by our college’s robot research center, is the first coal mine robot in our county. With the properties of high reliability, simple structure and convenient operation, it can be used as the appropriative concrete spraying equipment for the port of coal mine or underground engineering tunnel.

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  • 506.5Rcovers - Concrete

    2017-8-5 · Guide for Specifying Underground Shotcrete Reported by ACI Committee 506 ACI 506.5R-09 This document provides a guide for owners, contractors, designers, and testing, specifying, and inspection organizations engaged in the application of shotcrete for underground support. The guide provides general information for

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  • Durability of shotcrete for underground support–

    Download PDF Download. Construction and Building Materials. Volume 202, 30 March 2019, Pages 465-493. Review. Durability of shotcrete for underground support– Review and update. Author links open overlay panel Isabel Galan a Andre Baldermann a Wolfgang Kusterle b Martin Dietzel a Florian Mittermayr c. Show more.

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  • Over 65 years shaping pathways underground PROJET OOK

    2020-3-25 · plants with some of the largest underground caverns in the world. As a recent highlight, we have built more than 10 km of tunnels for the Santiago de Chile Metro. Internationally OSSA has executed works in Hong Kong, Taiwan, Chile, Peru, Colombia, Panama, Costa Rica, Brasil and

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  • Use of Steel Fiber Reinforced Concrete (SFRC) over Plain ...

    2019-1-24 · (SFRC) over Plain Concrete for Shotcrete in Underground Tunneling Bhawuk Verma 1(Civil Engineering, Amity University Rajasthan, India) ABSTRACT-After drilling and blasting, it be comes very important to choose the right material for shot crete in underground tunneling. Over the years,SFRC has been frequently used for shotcrete.

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