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Your search keyword '"Erik Eberhardt"' showing total 10 results
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10 results on '"Erik Eberhardt"'

1. Tunnelling for a Better Life

Author

Jinxiu Yan, Tarcisio Celestino, Markus Thewes, Erik Eberhardt, Jinxiu Yan, Tarcisio Celestino, Markus Thewes, and Erik Eberhardt

Subjects
Underground construction, Construction industry--Technological innovations, Tunnels, Underground areas
Abstract

Tunnelling for a Better Life contain the contributions presented at the ITA-AITES World Tunnel Congress 2024, which was held from 19-25 April 2024 in Shenzhen, China. As urbanization accelerates, the pivotal role of tunnels and underground spaces in fostering environmental sustainability and improving quality of life becomes ever more pronounced. These underground structures serve as sustainable solutions to the challenges posed by rapid urban growth. By seamlessly integrating into urban landscapes, they alleviate congestion, reduce pollution, and enhance overall mobility, thus contributing to a greener and more sustainable urban environment. Moreover, tunnels and underground works provide vital support for various urban functions, such as accommodating economic activities, providing safe shelters during emergencies or disasters, and facilitating efficient utility management. They address immediate urban needs and lay the foundation for a better and more resilient future.By focusing on the latest trends in tunnelling and underground engineering, and looking ahead to the era of low-carbon and intelligent technology, the papers in this book illustrate the transformative potential of tunnels and underground works in shaping a better life for present and future generations. The contributions cover a comprehensive range of topics on tunnel engineering, showcasing the latest advancements, insights, and innovations across the following areas:1. Planning and General Aspects2. Design and Methodology3. Geotechnics, Geology and Geophysical Prospecting4. Ground Stability and Consolidation5. Support and Lining6. Conventional Tunnelling7. Mechanized Tunneling (TBM, shield)8. Immersed Tunnels9. Waterproofing and Drainage10. Instrumentation and Monitoring/ Testing and Inspection11. Digital and Information Technology12. Machine Learning13. Underground Caverns/Underground Space Use14. Operational Safety, Maintenance and Repair15. Contractual Practices and Risk ManagementTunnelling for a Better Life is a must-read for professionals, engineers, owners, and other stakeholders worldwide in tunnelling and underground engineering.

Published
2024

2. Progressive failure in deep-seated rockslides due to seasonal fluctuations in pore pressures and rock mass fatigue

Author

Giona Preisig, Valentin Gischig, and Erik Eberhardt

Subjects
0303 health sciences, 0211 other engineering and technologies, 02 engineering and technology, Rockslide, 01 natural sciences, 010101 applied mathematics, 03 medical and health sciences, 020303 mechanical engineering & transports, 0203 mechanical engineering, 13. Climate action, Geotechnical engineering, 0101 mathematics, Rock mass classification, Geology, 030304 developmental biology, 021101 geological & geomatics engineering
Abstract

The episodic movement of deep seated rockslides is often associated with seasonal variations in precipitation and groundwater recharge. Acceleration and deceleration phases are often observed however it is not always clear why certain acceleration phases reach alarming levels without a clear trigger (i.e. in the absence of an exceptional precipitation event). This introduces significant uncertainty in the interpretation of displacement monitoring data for early warning which in turn is further hampered by the complexity of the underlying rock slope failure processes involved. Numerous examples exist where the interpretation of early warning data without a clear understanding of the underlying mechanisms has led to variable and generally unreliable forecasts. This paper reviews recent research investigating the influence of non persistent discontinuities intact rock bridges brittle fracturing and internal shearing on the progressive failure of deep seated rockslides. These mechanisms are then linked to the concept of rock slope fatigue using coupled hydro mechanical distinct element modeling to explain the intermittent behavior observed in deep seated rockslides. Consideration is also given to the influence of seismic fatigue over longer time intervals. Seismic fatigue represents a low repeat frequency but large amplitude damage event whereas hydromechanical fatigue occurs at a higher repeat frequency but represents a smaller amplitude damage event. When calibrated against slope monitoring data the consideration of fatigue and progressive failure in numerical analyses offer a means to better support early warning forecasting and improve rockslide hazard management.

Published
2018

6. Rock Mechanics: Meeting Society's Challenges and Demands, Two Volume Set

Author

Tom Morrison, Doug Stead, and Erik Eberhardt

Subjects
Engineering, Mining engineering, Rock mechanics, Hydroelectricity, business.industry, Rock slope, Underground mining (hard rock), Environmental ethics, Excavation, Rock mass classification, business
Abstract

Ore extraction through surface and underground mining continues to involve deeper excavations in more complex rock mass conditions. Communities and infrastructure are increasingly exposed to rock slope hazards as they expand further into rugged mountainous terrains. Energy needs are accelerating the development of new hydroelectric dams and exploit

Published
2007

9. Rock Mechanics: Meeting Society's Challenges and Demands, Two Volume Set : Proceedings of the 1st Canada-US Rock Mechanics Symposium, Vancouver, Canada, 27-31 May 2007

Author

Erik Eberhardt, Doug Stead, Tom Morrison, Erik Eberhardt, Doug Stead, and Tom Morrison

Subjects
TA706
Abstract

Ore extraction through surface and underground mining continues to involve deeper excavations in more complex rock mass conditions. Communities and infrastructure are increasingly exposed to rock slope hazards as they expand further into rugged mountainous terrains. Volume 1 presents papers describing new technologies, ideas and insights concerning fundamental rock mechanics, while the second volume comprises a collection of rock engineering case histories relevant to the major themes of the symposium: rock slope hazards, geotechnical infrastructure, surface and underground mining, and petroleum exploitation.

Published
2007

10. Landslide Risk Management

Author

Oldrich Hungr, Robin Fell, Rejean Couture, Erik Eberhardt, Oldrich Hungr, Robin Fell, Rejean Couture, and Erik Eberhardt

Subjects
QE599.2
Abstract

Landslide Risk Management comprises the proceedings of the International Conference on Landslide Risk Management, held in Vancouver, Canada, from May 31 to June 3, 2005. The first part of the book contains state-of-the-art and invited lectures, prepared by teams of authors selected for their experience in specific topics assigned to them by the JTC

Published
2005

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