Your search for Subject Extended Column Test (ECT)resulted in 59 records.
Back to Home page
View next 15 results
- Title: The Role of Collapse in Avalanche Release: Review and Implications for Practitioners and Future Research
- Date: 2016-10-02
- Authors: Edward Bair, Johan Gaume, Alec van Herwijnen
- Description: Reports of collapses and whumpfing sounds and their links to instability in the snowpack have been around for decades, but like many areas of snow sci...
- Object ID: ISSW16_O1.04.pdf
- Keywords: fracture, collapse, anticrack, extended column test, propagation saw test
- View additional details about The Role of Collapse in Avalanche Release: Review and Implications for Practitioners and Future Research
- Title: Using Large Column Tests to Successfully Forecast Persistent Deep Slab Avalanches in the Central Sierra Nevada Mountains
- Date: 2016-10-02
- Authors: Brandon Schwartz, Andy Anderson
- Description: Forecasting of Persistent Deep Slab avalanches presents a unique and at times difficult problem for Backcountry Regional Forecasters, Guide Services, ...
- Object ID: ISSW16_P4.26.pdf
- Keywords: avalanche forecasting, persistent deep slab, propagation saw test (pst), extended column test (ect), sierra nevada
- View additional details about Using Large Column Tests to Successfully Forecast Persistent Deep Slab Avalanches in the Central Sierra Nevada Mountains
- Title: Changes in Extended Column Test Results with Varying Depths
- Date: 2016-10-02
- Authors: Ian Hoyer, Ethan Greene, Doug Chabot, Karl W. Birkeland
- Description: Knowing the Extended Column Test's (ECT's) effectiveness at different slab thicknesses is critically important for practitioners. To better understand...
- Object ID: ISSW16_P4.29.pdf
- Keywords: extended column test, snowpack test, propagation
- View additional details about Changes in Extended Column Test Results with Varying Depths
- Title: The Effect of Increasing Load on Weak Layer Fracture
- Date: 2016-10-02
- Authors: Karl W. Birkeland, Alec van Herwijnen
- Description: Avalanches failing on buried weak layers tend to be easier to trigger during or immediately following snowfall, suggesting that loading favorably chan...
- Object ID: ISSW16_O1.03.pdf
- Keywords: fracture, loading, slab, particle tracking velocimetry, propagation saw test
- View additional details about The Effect of Increasing Load on Weak Layer Fracture
- Title: Wet-Snow Fracture Propagation
- Date: 2016-10-02
- Authors: Ingrid Reiweger, Markus Zöchling, Martin Forster, Thomas Wiesinger, Christoph Mitterer
- Description: Fracture propagation within wet snow is a key issue in order to understand and predict wet-snow slab avalanches. In our preliminary field study we inv...
- Object ID: ISSW16_P1.33.pdf
- Keywords: wet snow, fracture propagation, wet-snow avalanches, propagation saw test
- View additional details about Wet-Snow Fracture Propagation
- Title: The Effect of Slope-Scale Spatial Variability of Slab Characteristics on Propagation Saw Tests
- Date: 2016-10-02
- Authors: Chris Bilbrey, Jordy Hendrikx, Karl Birkeland, Stuart Challender, J. Andrew Gleason
- Description: Understanding propagation in complex, non-uniform terrain is critically important for avalanche forecasting and mitigation. Currently we do not know h...
- Object ID: ISSW16_P1.45.pdf
- Keywords:
- View additional details about The Effect of Slope-Scale Spatial Variability of Slab Characteristics on Propagation Saw Tests
- Title: The Effects of Different Methods of Compaction on Snowpack Stability
- Date: 2016-10-02
- Authors: Diana Saly, Jordy Hendrikx, Karl Birkeland, Stuart Challender, Tom Leonard
- Description: The interaction between snowpack layers determines the snowpack stability. It follows that disrupting layers may improve stability. Ski patrols and gu...
- Object ID: ISSW16_P2.02.pdf
- Keywords: compaction, snowpack stability, stability test, boot-packing, ski compaction
- View additional details about The Effects of Different Methods of Compaction on Snowpack Stability
- Title: A New Mechanical Framework to Interpret Weak Layer and Slab Fracture in the Propagation Saw Test
- Date: 2016-10-02
- Authors: Lorenzo Benedetti, Jan-Thomas Fischer, Johan Gaume
- Description: This work aims to provide a mechanical model for the Propagation Saw Test (PST) based on the Euler-Bernoulli beam, allowing a description of the slab ...
- Object ID: ISSW16_P3.01.pdf
- Keywords: fracture, critical length, propagation length, mechanical model
- View additional details about A New Mechanical Framework to Interpret Weak Layer and Slab Fracture in the Propagation Saw Test
- Title: Comparison of ECT, RB, Threshold Sum and Relative Threshold Sum Approach to To Snowpack Instability Evaluation - New Results
- Date: 2016-10-02
- Authors: Igor Chiambretti, Fabiano Monti, Mauro Valt
- Description: The Italian regional avalanche forecasting services (AINEVA) collect snowpack observations such as snowpack profiles or stability tests on a daily or ...
- Object ID: ISSW16_P3.05.pdf
- Keywords: rutschblock (rb), extended column test (ect), structural instability indices, threshold sum (tsa), relative threshold sum (rta)
- View additional details about Comparison of ECT, RB, Threshold Sum and Relative Threshold Sum Approach to To Snowpack Instability Evaluation - New Results
- Title: Extended Column Test: Repeatability and Comparison to Slope Stability and the Rutschblock
- Date: 2016-10-02
- Authors: Frank Techel, Matthias Walcher, Kurt Winkler
- Description: Information on snow stability is key information when assessing the avalanche situation. However, stability tests like the Extended Column Test (ECT) ...
- Object ID: ISSW16_P4.08.pdf
- Keywords: extended column test, rutschblock, test repeatability, snow stability, fracture propagation
- View additional details about Extended Column Test: Repeatability and Comparison to Slope Stability and the Rutschblock
- Title: Edge Effects In Propagation Tests
- Date: 2013-10-07
- Authors: Edward H. Bair, Ron Simenhois, Alec van Herwijnen, Karl Birkeland
- Description: Guidelines suggest beams with lengths around 1 m for Extended Column Tests (ECTs) and Propagation Saw Tests (PSTs). The longest unstable tests publish...
- Object ID: ISSW13_paper_O5-02.pdf
- Keywords: crack propagation, extended column test, propagation saw test
- View additional details about Edge Effects In Propagation Tests
- Title: Uncut Column Stability Tests For Hard Slab Snow Conditions
- Date: 2013-10-07
- Authors: Wesley R. Farnsworth, Markus Eckerstorfer
- Description: This study aims to better understand a slabs influence on the mechanics of artificial
avalanches. It seems that stability tests do not represent stab...
- Object ID: ISSW13_paper_O2-01.pdf
- Keywords: slab properties, propagation saw test, hard slab, uncut columns
- View additional details about Uncut Column Stability Tests For Hard Slab Snow Conditions
- Title: Preliminary Results at the Hijiori Avalanche Test Site
- Date: 2013-10-07
- Authors: Osamu Abe, Masaki Nemoto, Kenji Kosugi, Isao Kamiishi
- Description: Hijiori is one of the heaviest snow areas in Japan. Recently to observe blowing snow and avalanches, an almost perfect place was found in this area. T...
- Object ID: ISSW13_paper_O4-32.pdf
- Keywords: avalanche test site, avalanche dynamics, snow cornice
- View additional details about Preliminary Results at the Hijiori Avalanche Test Site
- Title: The Full-Scale Avalanche Dynamics Test Site Vallée de la Sionne Betty
- Date: 2013-10-07
- Authors: Betty Sovilla, Jim McElwaine, Walter Steinkogler, Martin Hiller, François Dufour, Emma Suriñach, Cristina Perez Guillen, Jan-Thomas Fischer, Emmanuel Thibert, Djebar Baroudi
- Description: The full-scale avalanche dynamics test site Vallée de la Sionne (VdlS) is providing
scientists and engineers with essential data to understand and...
- Object ID: ISSW13_paper_O4-33.pdf
- Keywords: avalanche dynamics, vallée de la sionne, full-scale test site
- View additional details about The Full-Scale Avalanche Dynamics Test Site Vallée de la Sionne Betty
- Title: The Full-Scale Avalanche Test Site, Lautaret, France
- Date: 2013-10-07
- Authors: Emmanuel THIBERT, Hervé BELLOT, Xavier RAVANAT, Frédéric OUSSET, Gaëtan PULFER, Mohamed NAAIM, Florence NAAIM-BOUVET, Koichi NISHIMURA, Yoichi ITO, Djebar Baroudi, Alexander PROKOP, Peter SCHÖN, P. Alvaro SORUCO, Christian VINCENT, Ali LIMAM, Damianao PESARESI
- Description: The Lautaret full-scale avalanche test site in the southern French Alps has been used by IRSTEA (Cemagref) Research Institute since 1973. Over the rec...
- Object ID: ISSW13_paper_O4-34.pdf
- Keywords: avalanche, test-site, full-scale experiments
- View additional details about The Full-Scale Avalanche Test Site, Lautaret, France
View next 15 results
Back to Home page