The Effect Of Snow Properties On Vehicle Trafficability In The Arctic
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The Effect Of Snow Properties On Vehicle Trafficability In The Arctic
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Author : A. C. Skinrood
language : en
Publisher:
Release Date : 1956
The Effect Of Snow Properties On Vehicle Trafficability In The Arctic written by A. C. Skinrood and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Snow categories.
The Development Of Snow Properties And Its Effect On Trafficability
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Author : Gerald J. Irwin
language : en
Publisher:
Release Date : 1980
The Development Of Snow Properties And Its Effect On Trafficability written by Gerald J. Irwin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
The properties of a given snowpack were monitored throughout a winter season in order to identify some of the factors most affecting vehicle mobility over snow. This activity was carried out as an aid to developing an improved snow classification system for purposes of mobility and to assess the use of snow strength testing devices as part of such a system. Snowpit data were collected at the Land Engineering Test Establishment, DND Ottawa, during the winter of 1976-77 in combination with penetrometer tests of snow strength and studies of the tractive performance of an RN25-35 tracked carrier. It was found that temperature and free water content are the snow factors which are highly transient while changes in depth, density, grain size distribution, grain shape, crustal layer and bearing strength are usually perceptible over a period of days to weeks. As the winter season progresses snow strength undergoes a general increase with snow density while snow temperature approaches uniformity and crusts become more numerous. Grain shape and size distribution are indicative of the stages of snow metamorphism. Penetrometer shortcomings are enumerated with a recommendation for greater automation in snow strength testing. Recommendations are also made for the most convenient environmental conditions for purposes of comparing the performance of vehicles. (Author).
Technical Report
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Author :
language : en
Publisher:
Release Date : 1970
Technical Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Cold regions categories.
Greenland Ice Cap Research Program
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Author : United States. Army. Corps of Engineers
language : en
Publisher:
Release Date : 1955
Greenland Ice Cap Research Program written by United States. Army. Corps of Engineers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1955 with Ice categories.
Physical Characteristics Of The Snow Cover Fort Greely Alaska 1966 67
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Author : Michael A. Bilello
language : en
Publisher:
Release Date : 1970
Physical Characteristics Of The Snow Cover Fort Greely Alaska 1966 67 written by Michael A. Bilello and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Fort Greely (Alaska) categories.
Observations were made at 19 sites in and around the Fort Greely Military Reservation in Alaska during the winter of 1966-67 to obtain data on the depth and physical properties of the snow cover. Snowfall in 1966-67 totaled 245 cm, which was more than 2-1/2 times the seasonal normal. Maximum snow depths of 80 to 100 cm were observed in a major portion of the reservation. Measurements at nine sites showed that the snow density at Fort Greely was generally light; e.g., the average density in the forest did not exceed 0.24 g/cu cm. However, exceptions such as at Jarvis Creek, where the density averaged 0.33 g/cu cm, could be expected. On the average, less snow falls at Fort Greely than at other interior Alaskan locations; but the average density of the snow cover at all interior Alaska sites is quite light. Relationships between snow-cover properties and climate were tested using data collected at Fort Greely. The results substantiated the relationships between (1) snow hardness and snow density measurements and (2) average snow densities with average windspeed and air temperatures. Snow temperature measurements at Fort Greely showed that the snow in the forest was colder than at exposed sites, primarily because the average air temperature within the forest canopy was lower than that in the open area. (Author).
Technical Report Corps Of Engineers U S Army Cold Regions Research And Engineering Laboratory
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Author : Cold Regions Research and Engineering Laboratory (U.S.)
language : en
Publisher:
Release Date : 1970
Technical Report Corps Of Engineers U S Army Cold Regions Research And Engineering Laboratory written by Cold Regions Research and Engineering Laboratory (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.
Trafficability Of Snow
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Author : Waterways Experiment Station (U.S.)
language : en
Publisher:
Release Date : 1960
Trafficability Of Snow written by Waterways Experiment Station (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Snow categories.
Sipre Report
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Author :
language : en
Publisher:
Release Date :
Sipre Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Frozen ground categories.
Usa Crrel Technical Publications
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Author : Cold Regions Research and Engineering Laboratory (U.S.)
language : en
Publisher:
Release Date : 1972
Usa Crrel Technical Publications written by Cold Regions Research and Engineering Laboratory (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Frozen ground categories.
Trafficability Of Snow Greenland Studies 1955 And 1957
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Author : A. A. Rula
language : en
Publisher:
Release Date : 1960
Trafficability Of Snow Greenland Studies 1955 And 1957 written by A. A. Rula and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with categories.
Self-propelled, towing, and towed tests were conducted with several wheeled and tracked military vehicles on a variety of fine-grained and wet coarse-grained snow conditions. The 1955 tests were conducted at various sites on or adjacent to a 220-mile-long, marked trail leading from the edge out onto the ice cap; the 1957 tests were all run at mile 30 on this route. Objectives of the study were to correlate vehicle performance with snow-property measurements, select an instrument that will measure snow trafficability and also meet military specifications, and distinguish snow conditions that permit a vehicle to travel from those that do not. Vehicle performance was correlated with ten methods of measuring snow strength and two physical snow properties; cone index provided the best correlation. (Author).