The Effects of Explosives on the Physical Properties of Snow

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ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (833 download)

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Book Synopsis The Effects of Explosives on the Physical Properties of Snow by : Robyn Elaine Wooldridge

Download or read book The Effects of Explosives on the Physical Properties of Snow written by Robyn Elaine Wooldridge and published by . This book was released on 2013 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explosives are a critically important component of avalanche control programs. They are used to both initiate avalanches and to test snowpack instability by ski areas, highway departments and other avalanche programs around the world. Current understanding of the effects of explosives on snow is mainly limited to shock wave behavior demonstrated through stress wave velocities, pressures and attenuation. This study seeks to enhance current knowledge of how explosives physically alter snow by providing data from field-based observations and analyses that quantify the effect of explosives on snow density, snow hardness and snow stability test results. Density, hardness and stability test results were evaluated both before and after the application of 0.9 kg cast pentolite boosters as surface and air blasts. Changes in these properties were evaluated at specified distances up to 5.5 meters (m) from the blast center for surface blasts and up to 4 m from the blast center for air blasts. A density gauge, hand hardness, a ram penetrometer, Compression Tests (CTs), and Extended Column Tests (ECTs) were used. In addition to the field based observations, the measurement error of the density gauge was established in laboratory tests. Results from surface blasts did not provide conclusive data. Air blasts yielded statistically significant density increases out to a distance of 1.5 m from the blast center and down to a depth of 50 centimeters (cm). Statistically significant density increases were also observed at the surface (down to 20 cm) out to a distance of 4 m. Hardness data showed little to no measurable change. Results from CTs showed a statistically significant decrease in the number of taps needed for column failure 4 m from the blast center in the post-explosive tests. A smaller data set of ECT results showed no overall change in ECT score. The findings of this study provide a better understanding of the physical changes in snow following explosives, which may lead to more effective and efficient avalanche risk mitigation.

SIPRE Report

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ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (3 download)

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Download or read book SIPRE Report written by and published by . This book was released on with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Explosives on Snow

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ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (333 download)

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Book Synopsis Effects of Explosives on Snow by : Alfred Fuchs

Download or read book Effects of Explosives on Snow written by Alfred Fuchs and published by . This book was released on 1957 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:

USA CRREL Technical Publications

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ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis USA CRREL Technical Publications by : Cold Regions Research and Engineering Laboratory (U.S.)

Download or read book USA CRREL Technical Publications written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1972 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:

CRREL Technical Publications, 1950-1975

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ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis CRREL Technical Publications, 1950-1975 by : Cold Regions Research and Engineering Laboratory (U.S.)

Download or read book CRREL Technical Publications, 1950-1975 written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1992 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Explosives on Snow

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Total Pages : 0 pages
Book Rating : 4.:/5 (333 download)

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Book Synopsis Effects of Explosives on Snow by : Alfred Fuchs

Download or read book Effects of Explosives on Snow written by Alfred Fuchs and published by . This book was released on 1957 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Some Physical Properties of Ice from the TUTO Tunnel and Ramp, Thule, Greenland

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ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Some Physical Properties of Ice from the TUTO Tunnel and Ramp, Thule, Greenland by : Theodore R. Butkovich

Download or read book Some Physical Properties of Ice from the TUTO Tunnel and Ramp, Thule, Greenland written by Theodore R. Butkovich and published by . This book was released on 1959 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Selected Water Resources Abstracts

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ISBN 13 :
Total Pages : 1064 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Selected Water Resources Abstracts by :

Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1978 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:

General Technical Report RM.

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ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.3/5 (91 download)

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Download or read book General Technical Report RM. written by and published by . This book was released on 1972 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Special Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory

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ISBN 13 :
Total Pages : 478 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Special Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory by : Cold Regions Research and Engineering Laboratory (U.S.)

Download or read book Special Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1972 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Some Effects of High Explosives on Snow

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Total Pages : 40 pages
Book Rating : 4.:/5 (479 download)

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Book Synopsis Some Effects of High Explosives on Snow by : Edward R. LaChapelle

Download or read book Some Effects of High Explosives on Snow written by Edward R. LaChapelle and published by . This book was released on 1956 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 1134 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 1134 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bibliography on Snow, Ice and Permafrost, with Abstracts

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Total Pages : 282 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Bibliography on Snow, Ice and Permafrost, with Abstracts by :

Download or read book Bibliography on Snow, Ice and Permafrost, with Abstracts written by and published by . This book was released on 1963 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technical Abstract Bulletin

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ISBN 13 :
Total Pages : 828 pages
Book Rating : 4.E/5 ( download)

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Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:

TID.

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ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.E/5 ( download)

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Download or read book TID. written by and published by . This book was released on 1963 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Development and Implementation of Surface Traverse Capabilities in Antarctica

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ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Development and Implementation of Surface Traverse Capabilities in Antarctica by :

Download or read book Development and Implementation of Surface Traverse Capabilities in Antarctica written by and published by . This book was released on 2004 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Study of the Effects of Snow Cover on High Explosive Blast Parameters

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Total Pages : 346 pages
Book Rating : 4.:/5 (23 download)

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Book Synopsis A Study of the Effects of Snow Cover on High Explosive Blast Parameters by : Denver Research Institute

Download or read book A Study of the Effects of Snow Cover on High Explosive Blast Parameters written by Denver Research Institute and published by . This book was released on 1966 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: