International Snow Science Workshop Proceedings - Montana State University Library

skip navigation

Digital Collections Home

Your search for Subject fracture propagationresulted in 69 records.

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: Comparing Fracture Propagation Tests and Relating Test Results to Snowpack Characteristics
Date: 2008-09-26
Authors: Cameron Ross, Bruce Jamieson
Description: The Propagation Saw Test (PST) and the Extended Column Test (ECT) are two recently and independently developed field tests that indicate the propensit...
Object ID: P__8177.pdf
Keywords: fracture propagation, snowpack stability test, extended column test, propagation saw test, avalanche forecasting, snowpack properties
View additional details about Comparing Fracture Propagation Tests and Relating Test Results to Snowpack Characteristics

Title: Application of the Field Stability Evaluation Methods to the Snow Conditions of the Eastern Pyrenees
Date: 2008-09-26
Authors: Ivan Moner, Jordi Gavaldà, Montserrat Bacardit, Carles Garcia, Glòria Martí
Description: Field methods for stability evaluation were recently developed and validated on the basis of skiertriggered slopes data from Switzerland and North Ame...
Object ID: P__8164.pdf
Keywords: slab avalanche, snow stability, stability evaluation, skier triggering, pyrenees
View additional details about Application of the Field Stability Evaluation Methods to the Snow Conditions of the Eastern Pyrenees

Title: Comparison of Different Snow Stability Tests Including the Extended Column Test
Date: 2008-09-26
Authors: Kurt Winkler, Jürg Schweizer
Description: Several tests have been proposed in the past for evaluating snow stability. However, their performance is presently unclear since few comparative stud...
Object ID: P__8124.pdf
Keywords: snow cover stability, snow stability evaluation, stability test, avalanche forecasting
View additional details about Comparison of Different Snow Stability Tests Including the Extended Column Test

Title: The Extended Column Test: Test Effectiveness, Spatial Variability, and Comparison with the Propagation Saw Test
Date: 2008-09-26
Authors: Karl W. Birkeland, Ron Simenhois
Description: The Extended Column Test (ECT) is a new stability test that aims to assess the fracture propagation potential across a 90 cm wide isolated column. Ini...
Object ID: P__8190.pdf
Keywords: ect, extended column test, fracture propagation, stability evaluation, avalanches
View additional details about The Extended Column Test: Test Effectiveness, Spatial Variability, and Comparison with the Propagation Saw Test

Title: Predictions of the Propagation Saw Test: Comparisons with Other Instability Tests at Skier Tested Slopes
Date: 2008-09-26
Authors: Dave Gauthier, Bruce Jamieson
Description: Several new fracture propagation field tests have been presented in recent years. These are designed to provide specific information about propagation...
Object ID: P__8217.pdf
Keywords: propagation propensity, field test, instability assessment, snowpack properties, forecasting
View additional details about Predictions of the Propagation Saw Test: Comparisons with Other Instability Tests at Skier Tested Slopes

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