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- Title: Slab Fracture at 1900 Frames Per Second-Experimental Methods
- Date: 2008-09-22
- Authors: Chris Borstad, David McClung
- Description: We present high speed video images of slab fracture experiments. Slab bending tests were conducted in a cold laboratory at Rogers Pass in Glacier Nati...
- Object ID: P__8197.pdf
- Keywords: fracture mechanics, high speed photography
- View additional details about Slab Fracture at 1900 Frames Per Second-Experimental Methods
- Title: Avalanche Fracture Mechanics Results for Practitioners
- Date: 2008-09-22
- Authors: D.M. McClung
- Description: It is indisputable that dry slab avalanches are initiated by weak layer shear fractures. I formulated the first fracture mechanical model of dry slab ...
- Object ID: P__8180.pdf
- Keywords:
- View additional details about Avalanche Fracture Mechanics Results for Practitioners
- Title: Extended Column Test Results During Surface Warming: Does Surface Warming Affect Fracture Propagation Potential?
- Date: 2008-09-22
- Authors: Ron Simenhois, Karl Birkeland
- Description: Dry slab avalanche stability typically increases over time in the absence of active loading from new snow or wind. However, field observations suggest...
- Object ID: P__8037.pdf
- Keywords: extended column test, pst, propagation saw test, fracture propagation
- View additional details about Extended Column Test Results During Surface Warming: Does Surface Warming Affect Fracture Propagation Potential?
- Title: On Snow Avalanche Flow Regimes: Inferences from Observations and Measurements
- Date: 2008-09-22
- Authors: Peter Gauer, Dieter Issler, Karstein Lied, Krister Kristensen, Frode Sandersen
- Description: Mixed dry-snow avalanches are commonly thought to consist of a dense core and a dilute suspension layer, even though observations and measurements fro...
- Object ID: P__8041.pdf
- Keywords: avalanche dynamics, flow regimes, observations, measurements
- View additional details about On Snow Avalanche Flow Regimes: Inferences from Observations and Measurements
- Title: Experimental Study of Short-Term Loading Influence on Snow Shear Strength
- Date: 2008-09-22
- Authors: Evgeny Podolskiy, Pavel Chernous, Osamu Abe, Nikolay Barashev, Kouichi Nishimura
- Description: It is well known that short-term loadings caused by earthquakes, explosions, skiers etc. can trigger avalanches. There are some models of similar infl...
- Object ID: P__8050.pdf
- Keywords: snow, seismicity, shear strength, avalanche
- View additional details about Experimental Study of Short-Term Loading Influence on Snow Shear Strength
- Title: Calculation of Dense Snow Avalanches in Three-Dimensional Terrain with the Numerical Simulation Program Ramms
- Date: 2008-09-22
- Authors: Marc Christen, Perry Bartelt, Julia Kowalski, Lukus Stoffel
- Description: Numerical models have become an essential part of snow avalanche engineering. Recent advances in understanding the rheology of flowing snow and the me...
- Object ID: P__8140.pdf
- Keywords: snow, avalanche, dynamics, modeling, numerical simulation, hazard mapping
- View additional details about Calculation of Dense Snow Avalanches in Three-Dimensional Terrain with the Numerical Simulation Program Ramms
- Title: Probabilistic Calibration of Avalanche Block Models
- Date: 2008-09-22
- Authors: Peter Gauer, Zenon Medina-Cetina, Karstein Lied, Krister Kristensen
- Description: The Norwegian Geotechnical Institute (NGI) has been operating the full-scale avalanche test-site Ryggfonn in western Norway for more than 25 years. Du...
- Object ID: P__8044.pdf
- Keywords: probabilistic avalanche modeling, bayesian modeling, calibration, prior knowledge, stochastic framework
- View additional details about Probabilistic Calibration of Avalanche Block Models
- Title: Application and Limitations of Dynamic Models for Snow Avalanche Hazard Mapping
- Date: 2008-09-22
- Authors: Bruce Jamieson, Stefan Margreth, Alan Jones
- Description: Dynamic models, initially based on fluid flow, have been used since the 1950s for modelling the motion and runout of extreme snow avalanches. The fric...
- Object ID: P__8052.pdf
- Keywords: snow avalanche, hazard mapping, runout, dynamic model, uncertainty, friction coefficients
- View additional details about Application and Limitations of Dynamic Models for Snow Avalanche Hazard Mapping
- Title: The Role of Kinetic Friction in Avalanche Fracture Propagation
- Date: 2008-09-22
- Authors: Ian Mccammon
- Description: Classical investigations into avalanche release have systematically characterized snow properties such as density, strength, stiffness, and hardness. ...
- Object ID:
- Keywords: avalanche, friction
- View additional details about The Role of Kinetic Friction in Avalanche Fracture Propagation
- Title: Snow Avalanche Pressure on Obstacles
- Date: 2008-09-22
- Authors: M. Naaim, T. Faug, E. Thibert, N. Eckert, G. Chambon, F. Naaim, H. Bellot
- Description: Impact forces by snow avalanches on obstacles need to be taken into account to design hazard maps of avalanche prone areas. An important question is h...
- Object ID: P__8141.pdf
- Keywords: snow, avalanche, pressure, mapping
- View additional details about Snow Avalanche Pressure on Obstacles
- Title: Avalanche Frequency and Magnitude: Using Power-Law Exponents to Investigate Snow Avalanche Size Proportions through Time and Space
- Date: 2008-09-22
- Authors: Adam Naisbitt, Richard Forster, Karl W. Birkeland, William L. Harrison
- Description: Power-laws provide a means for investigating snow avalanche frequency-magnitude relationships and their contributing factors. This research uses power...
- Object ID: P__8119.pdf
- Keywords: power-law exponent, snow avalanche size proportions, frequency and magnitude
- View additional details about Avalanche Frequency and Magnitude: Using Power-Law Exponents to Investigate Snow Avalanche Size Proportions through Time and Space
- Title: The Effect of Changing Slab Thickness on Fracture Propagation
- Date: 2008-09-22
- Authors: Ron Simenhois, Karl Birkeland
- Description: Many avalanches are triggered from shallower parts of a slope. Past research demonstrates that initiating fractures in such areas is easier than in de...
- Object ID: P__8045.pdf
- Keywords: ect, extended column test, pst, propagation saw test, fracture propagation
- View additional details about The Effect of Changing Slab Thickness on Fracture Propagation
- Title: The Avalanche Disaster of Galtür in 1999 - The Rescue Operation, Analyses with Recalculation and Countermeasures
- Date: 2008-09-22
- Authors: Gebhard H. Walter
- Description: On the 23 of February a catastrophic avalanche disaster happened. It took place in the Tyrolean village of Galtür in the Austrian Alps. Heavy snows...
- Object ID:
- Keywords: avalanche, size, recreationalists, killed, injured
- View additional details about The Avalanche Disaster of Galtür in 1999 - The Rescue Operation, Analyses with Recalculation and Countermeasures
- Title: Limitations and Possibilities: Usage of the Avalanche Simulation Model Samosat in the Planning of Dams
- Date: 2008-09-22
- Authors: Antonia Zeidler, Peter Sampl
- Description: In Austria it becomes more and more common to use avalanche dynamic models as a tool to optimize the construction of dams. In this paper we will use t...
- Object ID:
- Keywords: avalanche, dynamics
- View additional details about Limitations and Possibilities: Usage of the Avalanche Simulation Model Samosat in the Planning of Dams
- Title: The Extended Column Test: A Field Test for Fracture Initiation and Propagation
- Date: 2006
- Authors: Ron Simenhois, Karl Birkeland
- Description: For dry slab avalanches, fractures initiate and propagate in a weak layer or along an
interface. Current field tests like compression or stuffblock t...
- Object ID: issw-2006-079-085.pdf
- Keywords: stability test, avalanche forecasting, stability assessment, fracture propagation
- View additional details about The Extended Column Test: A Field Test for Fracture Initiation and Propagation
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