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Your search for Subject Extended Column Test (ECT)resulted in 59 records.

Title: Changes in Stability Test Usage by Snowpilot Users
Date: 2012
Authors: Karl W. Birkeland, Doug Chabot
Description: Professionals and recreationists utilize stability tests to assess snow stability. Our goal is to determine whether or not people are changing the typ...
Object ID: issw-2012-1065-1068.pdf
Keywords: snow pit, snow stability, avalanche fractures
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Title: The Effect of Changing Slope Angle on Extended Column Test Results: Can We Dig Pits in Safer Locations?
Date: 2010
Authors: Karl W. Birkeland, Ron Simenhois, Joachim Heierli
Description: Avalanche practitioners often assume that weak snowpack layers fracture more easily in steeper terrain. We are typically reluctant to conduct stabilit...
Object ID: ISSW_O-010.pdf
Keywords: avalanche, ect, alaska, montana
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Title: The Effect of Additional Snow Load on Extended Column Test and Propagation Saw Test Results
Date: 2010
Authors: Ron Simenhois, Karl Birkeland
Description: The number of skier triggered dry slab avalanches typically increases during or shortly after snow loading events. However, field observations and res...
Object ID: ISSW_O-041.pdf
Keywords: extended column test, propagation saw test, snow, dry slab
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Title: Deformation Analysis of the Propagation Saw Test
Date: 2010
Authors: Chris Borstad, David McClung
Description: We present results of high speed photography films which show that the scale of slope normal deformation prior to unstable fracture in the propagatio...
Object ID: ISSW_O-009.pdf
Keywords: propagation saw test, kootenay pass, british columbia
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Title: The Slab Test – The Missing Link in Stability Testing?
Date: 2010
Authors: Kjetil Brattlien, Jo Gunnar Ellevold
Description: An avalanche is released when both the weak layer and the slab fails, still standard stability tests (e.g. CT, ECT) focus on the weak layer only. The ...
Object ID: ISSW_O-011.pdf
Keywords: slope stability, stability tests, slab test
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Title: French Avalanche Research : Experimental Test Sites
Date: 2010
Authors: X. Ravanat, F. Ousset
Description: A variety of small-scale and full scale measurement instruments have been developed by Cemagref (ETNA research unit, Grenoble France) to study avalanc...
Object ID: ISSW_P-012.pdf
Keywords: avalanche, experimental test site, full-scale, small-scale
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Title: Free-Ride: Local Evaluation of Avalanche Danger in Valgrisenche - Aosta Valley (I)
Date: 2010
Authors: P. Dellavedova, D. Garin, V. Segor
Description: During the months of February and March 2010, in the north-west part of Western Alps in Aosta Valley where the practice of free-ride heliski is regula...
Object ID: ISSW_P-022.pdf
Keywords: free-ride, stability test
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Title: Evaluation of the Failure Mode Transition in High Strength TMCP Steel Weld By Charpy Impact Test
Date: 2010
Authors: Chin-Hyung Lee, Hyun-Seop Shin, Su-Tae Kang, Bong-Chul Joo, Ki-Tae Park
Description: There are strong demands for lightweight structures in cold regions, where construction cost penalties increase tremendously with remoteness of the lo...
Object ID: ISSW_P-083.pdf
Keywords: high strength steel, tmcp
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Title: The Upgraded Full-Scale Avalanche Test-Site Ryggfonn, Norway
Date: 2010
Authors: Peter Gauer, Hedda Breien, Dieter Issler, Krister Kristensen, Kalle Kronholm, Erik Lied, Karstein Lied
Description: Measurements of full-scale avalanches are expensive and time consuming, but are indispensable to gain in-depth understanding of the flow behavior of a...
Object ID: ISSW_P-084.pdf
Keywords: test site, catching dam, runout zone, slf full-scale tests
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Title: Validating the Propagation Saw Test on the Slope Scale
Date: 2009
Authors: Cameron Ross, Bruce Jamieson
Description: Over the past few seasons, the Propagation Saw Test (PST) has gained increasing acceptance in some guiding and highway operations in western North Am...
Object ID: issw-2009-0282-0286.pdf
Keywords: fracture propagation, snowpack stability, propagation saw test, avalanche forecasting
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Title: Where to Dig? – On Optimizing Sampling Strategy
Date: 2009
Authors: Jürg Schweizer, Sascha Bellaire
Description: Snow slope stability evaluation is often based on a single test location within a slope. However, we know that snow cover properties and stability may...
Object ID: issw-2009-0298-0300.pdf
Keywords: snow avalanche release, snow stability evaluation, snow stability test
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Title: French Avalanche Research: Experimental Test Sites
Date: 2009
Authors: X. Ravanat, F. Ousset
Description: A variety of small-scale and full scale measurement instruments have been developed by Cemagref (ETNA research unit, Grenoble France) to study avalanc...
Object ID: issw-2009-0423-0427.pdf
Keywords: avalanche, experimental test site, full-scale, small-scale
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Title: Automatised Range-Gated Doppler Radar Measurements of a Spontaneously Released Avalanche at the Vallée de la Sionne Test Site
Date: 2009
Authors: L. Rammer, H. Schreiber, M. Hiller, F. Dufour, B. Sovilla, P. Gauer, M.A. Kern
Description: Range-gated Doppler radar measurements provide decisive information about the motion of an avalanche along the avalanche track. However, up to now, su...
Object ID: issw-2009-0472-0476.pdf
Keywords: avalanche dynamics, radar measurements, spontaneous avalanche
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Title: Iron Man, The Steel Crash Test Dummy, Measures Forces in an Avalanche
Date: 2009
Authors: Michael J. Jenkins, Timothy M. Samaras
Description: Unavailable
Object ID: issw-2009-0664-0665.pdf
Keywords:
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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
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