Determination of Frost Penetration by Soil Resistivity Measurements.
Because of freezing point depression and isothermal springtime conditions, frost penetration measurements using temperature-sensing devices can become unreliable. In recognition of this problem two sensors that depend on changes in soil resistivity were tested. Tests were conducted under a parking a...
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ftdtic:ADA071990 2023-05-15T16:37:32+02:00 Determination of Frost Penetration by Soil Resistivity Measurements. Atkins,Ronald T COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH 1979-07 text/html http://www.dtic.mil/docs/citations/ADA071990 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA071990 en eng http://www.dtic.mil/docs/citations/ADA071990 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS Soil Mechanics Snow Ice and Permafrost *SOIL MECHANICS *FROST *SOIL RESISTANT PROPERTIES *ICE PENETRATION COLD REGIONS THERMISTORS FREEZING ELECTRICAL RESISTANCE THERMOCOUPLES TEMPERATURE MEASURING INSTRUMENTS COLD WEATHER TESTS PE61101A AS91D Text 1979 ftdtic 2016-02-20T16:34:31Z Because of freezing point depression and isothermal springtime conditions, frost penetration measurements using temperature-sensing devices can become unreliable. In recognition of this problem two sensors that depend on changes in soil resistivity were tested. Tests were conducted under a parking area with an asphalt-concrete surface where salt was periodically applied as part of snow removal operations. For comparison, data were obtained from a resistivity probe, a thermocouple probe and a thermistor probe. Results indicated that measuring temperature to determine frost penetration can lead to large errors under some conditions, for instance when salt has been applied or when frost is coming out of the ground in spring. The resistivity probe performed reliability during the entire measurement program. It was conluded that resistivity probes have definite advantages which should be considered when future frost penetration measurement programs are designed. (Author) Text Ice permafrost Defense Technical Information Center: DTIC Technical Reports database |
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Open Polar |
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Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
Soil Mechanics Snow Ice and Permafrost *SOIL MECHANICS *FROST *SOIL RESISTANT PROPERTIES *ICE PENETRATION COLD REGIONS THERMISTORS FREEZING ELECTRICAL RESISTANCE THERMOCOUPLES TEMPERATURE MEASURING INSTRUMENTS COLD WEATHER TESTS PE61101A AS91D |
spellingShingle |
Soil Mechanics Snow Ice and Permafrost *SOIL MECHANICS *FROST *SOIL RESISTANT PROPERTIES *ICE PENETRATION COLD REGIONS THERMISTORS FREEZING ELECTRICAL RESISTANCE THERMOCOUPLES TEMPERATURE MEASURING INSTRUMENTS COLD WEATHER TESTS PE61101A AS91D Atkins,Ronald T Determination of Frost Penetration by Soil Resistivity Measurements. |
topic_facet |
Soil Mechanics Snow Ice and Permafrost *SOIL MECHANICS *FROST *SOIL RESISTANT PROPERTIES *ICE PENETRATION COLD REGIONS THERMISTORS FREEZING ELECTRICAL RESISTANCE THERMOCOUPLES TEMPERATURE MEASURING INSTRUMENTS COLD WEATHER TESTS PE61101A AS91D |
description |
Because of freezing point depression and isothermal springtime conditions, frost penetration measurements using temperature-sensing devices can become unreliable. In recognition of this problem two sensors that depend on changes in soil resistivity were tested. Tests were conducted under a parking area with an asphalt-concrete surface where salt was periodically applied as part of snow removal operations. For comparison, data were obtained from a resistivity probe, a thermocouple probe and a thermistor probe. Results indicated that measuring temperature to determine frost penetration can lead to large errors under some conditions, for instance when salt has been applied or when frost is coming out of the ground in spring. The resistivity probe performed reliability during the entire measurement program. It was conluded that resistivity probes have definite advantages which should be considered when future frost penetration measurement programs are designed. (Author) |
author2 |
COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH |
format |
Text |
author |
Atkins,Ronald T |
author_facet |
Atkins,Ronald T |
author_sort |
Atkins,Ronald T |
title |
Determination of Frost Penetration by Soil Resistivity Measurements. |
title_short |
Determination of Frost Penetration by Soil Resistivity Measurements. |
title_full |
Determination of Frost Penetration by Soil Resistivity Measurements. |
title_fullStr |
Determination of Frost Penetration by Soil Resistivity Measurements. |
title_full_unstemmed |
Determination of Frost Penetration by Soil Resistivity Measurements. |
title_sort |
determination of frost penetration by soil resistivity measurements. |
publishDate |
1979 |
url |
http://www.dtic.mil/docs/citations/ADA071990 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA071990 |
genre |
Ice permafrost |
genre_facet |
Ice permafrost |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADA071990 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
_version_ |
1766027821912686592 |