stress-driven

Geohazard information for the masses

Find me at EGU 2017

As usual, there’s plenty happening at EGU this year. You can find me at any one of these locations: Monday Mon, 24 Apr, 15:30–15:45, Room N1, GM1.6/BG9.38/HS11.11/NH8.8/TS4.7 | | Highlight Dynamic fracture development in response to extreme summer temperatures: 27/7/2014, Långören Island, Finland (EGU2017-16387) by Kerry Leith, Matthew Perras, Topias Siren, Tuomas Rantanen, Suvi Heinonen, […]

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Reconnaissance of ongoing fracturing in the Bedretto tunnel

An important aspect of our envoronmentally-driven fracturing project is a study of ongoing fracturing under relatively stable conditions in the 50 year old Bedretto tunnel. Yesterday Matthew Perras, Prof. Kurosch Thuro (Technical University of Munich), and myself made the first reconnaissance of the 5 km long tunnel and collection of baseline data from a recently […]

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A new SFM model for our Finland field site

Before the winter set in and a long twilight fell on the Finnish archipelago a group of us from ETH Zurich and Aalto University ventured out to Langören island to winterize the measuring equipment and gather data for numerical and structural analyses of the fracturing events. Following from a recent paper from Gonçalves et al. […]

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A documentary on work leading up to the GlacierRocks project

Find out more with the following links:

Homepage: http://www.georesearch.at/de/bereiche/forschungsbereiche/geo/projekt-glacierrocks
Facebook: https://www.facebook.com/georesearch/
ResearchGate: https://www.researchgate.net/project/GlacierRocks-Glacier-Headwall-Interaction-and-its-Influence-on-Rockfall-Activity
LinkedIn: https://www.linkedin.com/company-beta/17889341/

PRF 2017: Numerical modelling workshop confirmed and abstract submission deadlines extended

NUMERICAL MODELLING WORKSHOP CONFIRMED Due to popular demand, we’re now happy to offer a full day numerical modelling workshop for Friday the 9/6. Register before Friday 31st March to confirm your place. Topics will include a hands-on introduction to best-practice methods for practical geotechnical applications, as well as advanced phenomenological approaches incorporating physical aspects of […]

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MSc opportunity: Monitoring progressive damage accumulation at the Bedretto Tunnel, Switzerland

Project Framework and Goals The Furka-Oberalp railway line presents the only year-round east west connection in the Swiss Alps. It serves to link the resort areas of Valais, Central Switzerland, with those in the Grisons, as well as efficient local transportation. Construction of the Furka (Base) Tunnel began in 1972 and was completed in 1982. […]

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MSc Stefanie Diener: Environmental controls on bedrock fracturing and rockfall production adjacent to the rapidly thinning Schmiedingerkees glacier (Hohe Tauern Range, Austria)

Candidate: Stefanie Diener Supervisors: Kerry Leith, Dr. Matthew Perras, Ingo Hartmeyer (GEORESEARCH Forschungsgesellschaft mbH) Institution: ETH Zurich Activity: Beginning Fall 2017 Since 1880 mean annual air temperatures in Austria have risen by 2 °C, more than twice the average global warming of 0.85 °C. Glacier retreat has evolved into one of the most visible consequences of this climatic change […]

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MSc opportunity: The relationship between large-scale geomorphological processes and local slope instabilities affecting transport networks

The construction of transportation routes can markedly increase the risk of rockfalls and landslides in Alpine settings. Where forming road and rail routes involves excavation or the construction of embankments in locations already in a state of critical stability, minor changes to slope geometry or groundwater conditions can have a notable impact on local ground […]

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MSc opportunity: Monitoring progressive fracture propagation in response to environmental stress variations

Candidate: Open Supervisors: Kerry Leith, Dr. Matthew Perras, Valentin Gischig Institution: ETH Zurich Activity: Beginning Fall 2017 Exceptionally warm summer temperatures in northern Europe during the summer of 2014 were accompanied by active fracturing and small rockbursts from flat-lying postglacial bedrock surfaces on a small Finnish Island. Employing a new portable acoustic emission detection system, this project will investigate […]

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Research project: Static and cyclic load compression tests under controlled climatic conditions

Matthew A PerrasSimon LoewKerry Leith We aim to advance the frontier of progressive rock failure combining laboratory data derived from new custom built creep testing machines (capable of regulating temperature, humidity, and mechanical load over at least 100 days) with measurements from existing field equipment. Initial testing will be focused on unique natural and man-made […]

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