Article. — 46 Forschung + Praxis: STUVA-Tagung 2015. — 2015. — P. 109–114. Technischer Fortschritt im Tunnelbau optimiert die Leistungsfähigkeit unterirdischer Infrastrukturlösungen. Die Verschiebung der technischen Einsatzgrenzen ebnet den Weg für Tunnelbauprojekte unter geologisch, hydrologisch oder topografisch komplexen Bedingungen. Verkehrswege sowie Ver- und...
Article. — Bautechnik. — 2021 — Heft 12, (98). — P. 953-961. Mit dem Stufenplan des BMVI wurde bei öffentlichen Infrastrukturprojekten der Einsatz von Building Information Modeling (BIM) ab 2020 verpflichtend, obgleich diese Forderung in der Praxis noch nicht vollumfänglich erfüllt wird. Der Sachverständige für Geotechnik erstellt im BIM-basierten Planungsprozess das Fachmodell...
Article. — Geomechanics and Tunnelling. — 2019. — No. 5, (12). — P. 555–563. The Brenner Base Tunnel with a total of 230 km of tunnels is a geological, structural and logistical challenge. The transnational project is an additional challenge, considering different planning, approval and construction rules and cultures. From the start of construction in 2007 to the present,...
Chapter X. — BetonKalender 2022: Nachhaltigkeit, Digitalisierung, Instandhaltung, 111. Jahrgang — 2022. — 924. — p. 533–606. Die Zustandsbewertung von Gebäuden, Infrastrukturbauwerken und Naturgefahren erfahren durch eine digitale Erfassung eine disruptive Evolution. Mit Hochleistungsdrohnen und -sensoren können Bilder und Videos von Bestandsbauwerken aufgenommen und 3D-Modelle...
Article. — Soils and Foundations. — 2004. — Vol. 44, No 1. — P. 39-48. During drilling, grout pressures were recorded on a tunnel lining measuring 9.5 m in diameter. Two tunnel rings were fitted with pressure gauges (14 gauges per ring). Measurements were performed for more than one day. Final hardening of the grout did not occur during this time. The lowest pressures were...
Article. — Tunnel. — 2022. — 2. — P. 44–51. Comprehensive climate-relevant optimisations are possible above all in the production of cement, concrete and steel. For example, the production of cement in Germany alone generates about 0.6 t of CO2 per 1 t of cement. The use of high-performance concretes enables significantly lower component thicknesses, which in turn leads to...
Project Report. — Australian Journal of Mechanical Engineering — 2017. — Vol. 14, no. 1, 10–25. — p. 10–25. Legacy Way is a 4.25 km twin tunnel which will connect the Western Freeway at Toowong to the Inner City Bypass at Kelvin Grove in Brisbane. Legacy Way is an initiative of Brisbane City Council and has been designed and constructed by Transcity, a joint venture of Brisbane...
Article. — Geomechanics and Tunnelling. — 2010. — No. 2, (3). — P. 109–114. Forthe conception of the emergency ventilation and the design of the ventilation system forthe New Semmering Base Tunnel, particular demands apply, which are based on specific protection objectives and defined in the Tunnel Safety Concept. The main objective is to keep the safe areas (the refuge room at...
Article. — integraleplanung. — 2020. — P. 22-25. Gerade bei komplexen planerischen Fragestellungen der Energieeffizienz und Nachhaltigkeit bieten ganzheitliche integrale Planungsansätze ein hohes Optimierungspotential. Der frühzeitige Einsatz von Werkzeugen zur energetischen Simulation, zur Ökobilanzierung und Nachhaltigkeitsbewertung stellt dabei eine wichtige Basis dar, um...
Ruhr-Universität Bochum, Germany, Breitenbücher R., 2019, 493 p. Die physikalischen und chemischen Einwirkungen aus der Umwelt und deren möglichen Auswirkungen auf Betontragwerke werden dargestellt (Expositionsklassen, Beton- und Bewehrungskorrosion). Es wird insbesondere auf die Transportvorgänge innerhalb der Mikrostruktur und auf die Korrosionsprozesse eingegangen:...
Article. — Development Engineering. — 2017. — 2. — P. 82-91. This paper aims at assessing the return on investment and carbon mitigation potentials of five investment alternatives for the Cuban cement industry in a long-term horizon appraisal (15 years). Anticipated growing demand for cement, constrained supply and an urgent need for optimisation of limited capital while...
Article. — Composite Structures. — 2017 — 181. — P. 336-346. The possibility of replacing the traditional steel reinforcement with glass fiber reinforced polymer (GFRP) cages in precast concrete tunnel segmental lining has been shown by the authors in previous papers. The use of GFRP rebars as structural reinforcement in precast tunnel segments, allows several advantages in...
Article. — Journal of Rock Mechanics and Geotechnical Engineering. — 2017. — Vol. 9. — pp. 396-414. This article introduces the principles of underground rockbolting design. The items discussed include underground loading conditions, natural pressure zone around an underground opening, design methodologies, selection of rockbolt types, determination of bolt length and spacing,...
Ruhr-Universität Bochum, Germany, Cheng S., 2021. Artificial neural networks (ANN) were inspired by the architecture and function of the brain. Nevertheless, their greatest strength is not that they are good models of the brain, but rather that they are powerful function approximators. Since the 1980's many types of ANN have been developed and tricks for training ANNs on data...
Article. — The Engineers Journal. — 2010. — Vol. 64, Issue 1. — P. 16-20. Tunnel boring machines (TBMs), used in conjunction with the pipe jacking process, can provide tunnels with internal diameters varying from 300mm to 3m. Slurry machines are the most versatile type of TBM for variable ground conditions. Cost certainty, environmental benefits and technical reliability are...
Textbook. — Berlin: Springer, 2017. — 762 p. Das Handbuch führt in das Erkunden des Untergrunds, das Untersuchen und Bewerten seiner stofflichen Eigenschaften und in die möglichen geogenen Gefahren am Standort ein. Ferner enthält es einen Leitfaden für die Umweltverträglichkeitsprüfung. Für das schnelle und präzise Erkunden von Spannungszuständen im Untergrund wird eine neue...
Article. — Geomechanics and Tunnelling 6. — 2013 — No. 5. — P. 569-573. The article deals with the logistic challenge of supplying large quantities of construction materials underground. In this regard, the necessity and problems, which led to the development of introduction of pneumatic and hydraulic conveyance systems for construction materials in German coal mining, are...
Article. — Journal of Industrial Ecology. — 2004. — Vol. 8. — pp. 11-21 Land use is an increasingly important component of sustainability evaluations, and numerous performance metrics have evolved to meet this need. The selection of appropriate landuse metrics for decision makers, however, remains an ongoing challenge. Additionally, life-cycle practitioners often struggle to...
Tutorial. – Dnipropetrovs'k: National mining university, 2012. – 160 p. Contents of this tutorial correspond to the bachelors’educational and professional program in Electromechanics, particularly, to the subject of Theoretical Mechanics. Notions of particle and system dynamics are considered. Examples of practical problem solutions and tasks for self-study training, which...
Study guide. — Dnipro : NTU “DP”, 2020. — 66 p. The content of the study-guide corresponds to the educational and professional program of higher education applicants in the field of knowledge 14 Electrical engineering of specialty 141 Electricity, electrical engineering and electromechanics, in particular – the discipline «Mechanics of machines». Structural analysis of...
Article. — BHM Berg- und Hüttenmännische Monatshefte. — 2013. — Vol. 158 (Heft 4). — P. 155–176. Der Beitrag gibt Anhaltspunkte für die weitere Entwicklung der Planung und Betriebsführung im Tagebau. Dabei wird insbesondere auf integrative Ansätze verwiesen, z. B. zur Integrierten Bergbauplanung unter Berücksichtigung der Schneidwiderstände, zur Integrierten Betriebsplanung und...
Article. — Journal of civil engineering and management. — 2010. — 16 (4). — P. 531–539. The world of underground engineering and construction has acquired a wide-ranging and high-level experience on tunnel construction with Tunnel Boring Machines (TBM) and nowadays remarkable progresses are traceable in the number of tunnels that are becoming longer, going deeper, and growing...
Article. — Bautechnik. — 2014. — Heft 4, (91). — P. 243-250. Das terrestrische 3D-Laserscanning hat sich in den letzten Jahren als Messverfahren zur geometrischen Erfassung von Gebäuden sowie zur Ableitung von Bestandsplänen etabliert. Im Bereich der Architektur und der Denkmalpflege eröffnet die schnelle und ganzheitliche Vermessung von Objektoberflächen neue Dimensionen. Der...
Deutsche Ausschuß für unterirdisches Bauen, 2022. — 55 s. Bauen ist grundsätzlich ein risikobehafteter Prozess, bei dem sich sowohl Gefahren als auch Chancen realisieren können. Dies gilt insbesondere auch für den Untertagebau, wo die partielle Unkenntnis der vorliegenden Verhältnisse eine konstante Unsicherheit impliziert und damit einen steten Raum für das Eintreten von...
Deutsche Ausschuß für unterirdisches Bauen, 2021. — 55 s. Die vorliegende Empfehlung zeigt anhand von verfahrenstechnischen und geotechnischen Kriterien Entscheidungsgrundlagen zur Auswahl von Tunnelbohrmaschinen für den Einsatz in unterschiedlichem Baugrund (Fels und Boden) auf. Dabei werden auch bestehende Zusammenhänge zwischen den geotechnischen, örtlichen und...
Article. — Geomechanics and Tunnelling 4. — 2011 — No. 6. — P. 962-701. Tunnel spoil material is categorised for the purpose of the laws regulating waste disposal as “excavated materials”, which represents the largest waste stream by quantity in Austria. The goal of avoiding waste has become more important with the implementation of the Waste Framework Directive 2008/98/EC at...
Article. — Journal of Environmental Management — 2016. — 174. — p. 1–6. In this comprehensive LCA comparison study, main objectives are to investigate life cycle environmental impacts of off-highway mining trucks and belt conveyors in surface mining. The research methodology essentially entails determination of the functional unit as 20,000 tons/day coal production transported...
Article. — Journal of Sustainable Mining. — 2019. — 18. — pp. 150–161 This paper presents the results of an investigation carried out on the impacts of cobalt extraction process using a life cycle assessment by considering a cradle-to-gate system. Life cycle inventory data was collected from the EcoInvent and Australian Life cycle assessment database (AusLCI) and analysis were...
TU Bergakademie Freiberg, Germany, Felden C., 2017. 287 p. The lecture held in English language provides a widespread overview concerning the support of decision making from a theoretical and practical point of view. The theoretical basis comprises the System and Decision Theory as well as Business Intelligence. The practical point of view will be illustrated with the help of...
Article. — Journal of Cleaner Production. — 2015. — 108. — pp. 1081-1091. This paper assessed the cradle-to-gate life cycle of an iron ore mining. The study was based on production data from an open pit mine located in the Iron Quadrangle/Brazil. The functional unit was defined as “one tonne of iron ore concentrate produced” and the data used were collected directly from the...
Article. — 19. Tagung für Ingenieurgeologie mit Forum für Junge Ingenieurgeologen. — 2013. — P. 3–12. Die Entwicklung der modernen Spritzbetonbauweise führte im Großraum München insbesondere für den U-Bahn-Bau seit den 60-er Jahren zu einem rasanten Anstieg der in bergmännischer Bauweise aufgefahrenen Tunnel. Dabei wurden immer wieder Neuerungen erprobt, um diese Bauweise noch...
Article. — Bulletin of Engineering Geology and the Environment. — 2022. — 81:196. — P. 1–11. The use of Earth Pressure Balance (EPB) shields is still very modest for tunneling in urban areas in Brazil. This study analyzed and integrated geological data and excavation parameters of a segment of Route 2 (Lot 3) of the Line 5—Lilac (São Paulo Metro), between Campo Belo Station and...
Article. — Geomechanics and Tunnelling. — 2019. — Vol. 12, Nr. 6 — P. 721-729. At this year's International Planning Design and Construction (IPDC) Workshop of the Unit of Project and Construction Management (i3b) of the University of Innsbruck, a selected group of tunnelling engineers took a closer look at the state of the art of hard rock tunnel boring machines and the...
Textbook. — New York: HarperCollins 1997. — 354 p. David Friedman has never taken an economics class in his life. Sure, he's taught economics at UCLA. Chicago, Tulane, Cornell, and Santa Clara, but don't hold that against him. After all, everyone's an economist. We all make daily decisions that rely, consciously or not, on an acute understanding of economic theory--from picking...
Article. — EI – Der Eisenbahningenieur. — 2023. — S. 29–33. Durch die Umwelt- & Geo-Services des Regionalbereichs Südost der DB Engineering & Consulting GmbH wurden Ansätze zur Berechnung des Wasserzuflusses entwickelt. Hiermit eröffnen sich Möglichkeiten einer überschlägigen Ermittlung des Wasserzustroms an Tunneln ohne umfangreiche hydrogeologische Untersuchungen. Ein...
TU Bergakademie Freiberg, Germany, Fröhling M., 2017. 417 p. Understand the strategic role of valuations for the resource industry (energy and mining) Learn basic valuation concepts and their practical application in energy and mining (examples based on real cases) Transform verbal description of a real business case into a financial model (case studies based on simplified real...
Dissertation zur Erlangung des akademischen Grades einer Doktor-Ingenieurin. — Karlsruher Instituts für Technologie (KIT), 2019. — 196 p. Weltweit werden radioaktive Abfälle in der Tiefe endgelagert. Diese Tiefenlager waren in der Vergangenheit nicht auf eine Rückholbarkeit der Abfälle, sondern auf eine Endlagerung dieser ausgelegt. Sollen die radioaktiven Abfälle zu einem...
Textbook. — Basel: MDPI, 2021. — 325 p. Computational intelligence (machine learning, deep learning, genetic algorithms, etc.) has really taken off in the mining industry. It is not a new field for mining industry applications. Until now, however, applications were mostly academic where members of academia applied various computational intelligence (CI) techniques to whatever...
Article. — World of Mining – Surface & Underground 65. — 2013. — No. 6. — P. 2–11. RWE Power AG operates three large-scale opencast mines in the Rhenish lignite mining area with an output of about 100 million tons per year to supply the Company-owned lignite-fired power plants and refining factories. Some 450 million m3 of overburden must be moved each year to expose the...
Article. — 16. Geokinematischer Tag. — 2015. — P. 1-18. Auf dem Gebiet der Böschungsbeobachtung wurden in den letzten Jahren/Jahrzehnten mit dem Einsatz von Totalstationen, terrestrischen Radarsystemen (z.B. Ground-Based Interferometric Synthetic Aperture Radar) und anderen hochentwickelten Technologien signifikante Fortschritte erzielt. Diese Entwicklung wird mit der Nutzung...
Duisburg: GeoResources Verlag. — 52 p. Editorial K. Brummermann - Focus on the Future, or ’suppose that’ A Word on... A. Müller-Kirchenbauer - Climate Protection and Sustainability – a personal Issue and a Challenge for the Geotechnics Branch Geotechnics A. Klein - Erosion-stable Road Embankments – Design and Selection of System Solutions M. Denk - Shore Protection against...
Article. — Mining Science and Technology. — 2010. — 20. — P. 0727–0733. Rate of penetration of a Tunnel Boring Machine (TBM) in a rock environment is generally a key parameter for the successful accomplishment of a tunneling project. This paper presents the results of a study into the application of an Artificial Neural Network (ANN) technique for modeling the penetration rate...
Сhapter. — Handbuch Oberflächennahe Geothermie. — 2016. — P. 523-586 Für die Erdwärmegewinnung aus Grubenwasser im oberflächennahen Bereich stellen nicht verschlossene und geflutete Bergwerke (z.B. Erz- und Kohlebergwerke) auch nach ihrer ursprünglichen Nutzung z. T. sehr geeignete Standorte für eine alternative und regenerative Energieversorgung dar. Geflutete Grubengebäude...
Article. — Energy Procedia. — 2015. — 72. — pp. 322 – 328. The objective of the research is to develop a life cycle assessment (LCA) model for environmental evaluation of two landfill mining alternatives – on-site sorting of mined waste using mobile sorting equipment or sorting at a centralised waste sorting plant located 12.6 km from the mined territory. Life cycle inventory...
Article. — Geomechanics and Tunnelling 4. — 2011 — No. 4. — P. 327-336. The selection of the correct method of tunnelling from the contractor's point of view mostly depends on its chance to survive the competition of the marketplace, in addition to a host of technical constraints. The tendering and award conditions also decisively influence whether the technically and...
Textbook. — Wiesbaden: Springer, 2024. — 437 p. Dieses Fachbuch demonstriert das Potenzial Künstlicher Intelligenz (KI) im Bauwesen. Die rasant wachsende Menge an Daten sowie die in Bauprojekten eingesetzte Hard- und Software bilden die Grundlage für projektübergreifende und vorausschauende Analysen, die u.a. durch Ansätze des maschinellen Lernens und der Robotik ermöglicht...
Article. — Geomechanics and Tunnelling. — 2010. — No. 2, 3. — P. 174–184. The very variable geological conditions require two completely independent machine concepts for contract KAT3 of the Koralm Tunnel, which have been taken into account with the planned use of a shield machine capable of being rebuilt. This article discusses the essential constructional requirements for...
Diplomarbeit. — Ruhr-Universität Bochum, 2011. — 144 S. Der maschinelle Schildvortrieb stellt das Standardverfahren zum Herstellen von Tunneln im Lockergestein dar. Dabei entsteht verfahrensbedingt ein Ringspalt, der nach innen durch den Tübbingausbau und nach außen durch den anstehenden Baugrund begrenzt wird. Die Abmessung liegt üblicherweise in einer Größenordnung von 15 cm....
Article. — Tunnel. — 2011. — 8. — P. 56–66. The preparations for the 2014 Winter Olympics are forging ahead in Sochi in Russia. This includes the accomplishing of extensive infrastructural building measures. The following report, which was also presented at the 2011 STUVA Conference in Berlin, looks into the special features associated with the tunnel drives based on an example.
TU Bergakademie Freiberg, Germany, Höck M., 2017. 537 p. This course addresses the management of operations in manufacturing and service firms. Diverse activities, such as determining the size and type of production process, purchasing the appropriate raw materials, planning and scheduling the flow of materials and the nature and content of inventories, assuring product...