Analysis of Railway Subgrade Settlement Deformation in Permafrost Regions Based on Satellite Interferometry 1
Abstract: SAR differential interferometry is an innovative space-based measurement technology for ground deformation. Under inclement Qinghai-Tibet plateau environment, monitoring and analysis of railway subgrade deformation using satellite interferometry in plateau permafrost region has very import...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.432.9012 2023-05-15T17:56:50+02:00 Analysis of Railway Subgrade Settlement Deformation in Permafrost Regions Based on Satellite Interferometry 1 Qulin Tan Chou Xie Xiao Xu The Pennsylvania State University CiteSeerX Archives 2014 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.432.9012 http://www.sensorsportal.com/HTML/DIGEST/april_2014/Vol_168/P_1989.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.432.9012 http://www.sensorsportal.com/HTML/DIGEST/april_2014/Vol_168/P_1989.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.sensorsportal.com/HTML/DIGEST/april_2014/Vol_168/P_1989.pdf Railway subgrade Settlement SAR differential interferometry Deformation monitoring Leveling text 2014 ftciteseerx 2016-01-08T04:46:39Z Abstract: SAR differential interferometry is an innovative space-based measurement technology for ground deformation. Under inclement Qinghai-Tibet plateau environment, monitoring and analysis of railway subgrade deformation using satellite interferometry in plateau permafrost region has very important engineering significance for stability evaluation and safety management. In the paper, a brief description of the principle and processing procedure of SAR differential interferometry was given, and the influencing parameters and error analysis were discussed. Then satellite interferometry was applied to measure subgrade deformation in the Beiluhe test site along the Qinghai-Tibet railway with gathered satellite interferometric SAR images. Based on the satellite-interferometry-derived data, the deformation characteristics of six points in different permafrost subgrades (the sliced rock embankment, the crushed rock embankment and railway bridge) along the Qinghai-Tibet railway were analyzed and compared. The analysis results show that settlement is the main behavior of railway subgrade deformation and the deformation amount of railway bridge is less than the sliced or the crushed rock embankment along the Qinghai-Tibet railway in permafrost regions. All these results are in good agreement with the ground measurements and other relevant studies. Copyright © 2014 IFSA Publishing, S. L. Text permafrost Unknown |
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Railway subgrade Settlement SAR differential interferometry Deformation monitoring Leveling |
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Railway subgrade Settlement SAR differential interferometry Deformation monitoring Leveling Qulin Tan Chou Xie Xiao Xu Analysis of Railway Subgrade Settlement Deformation in Permafrost Regions Based on Satellite Interferometry 1 |
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Railway subgrade Settlement SAR differential interferometry Deformation monitoring Leveling |
description |
Abstract: SAR differential interferometry is an innovative space-based measurement technology for ground deformation. Under inclement Qinghai-Tibet plateau environment, monitoring and analysis of railway subgrade deformation using satellite interferometry in plateau permafrost region has very important engineering significance for stability evaluation and safety management. In the paper, a brief description of the principle and processing procedure of SAR differential interferometry was given, and the influencing parameters and error analysis were discussed. Then satellite interferometry was applied to measure subgrade deformation in the Beiluhe test site along the Qinghai-Tibet railway with gathered satellite interferometric SAR images. Based on the satellite-interferometry-derived data, the deformation characteristics of six points in different permafrost subgrades (the sliced rock embankment, the crushed rock embankment and railway bridge) along the Qinghai-Tibet railway were analyzed and compared. The analysis results show that settlement is the main behavior of railway subgrade deformation and the deformation amount of railway bridge is less than the sliced or the crushed rock embankment along the Qinghai-Tibet railway in permafrost regions. All these results are in good agreement with the ground measurements and other relevant studies. Copyright © 2014 IFSA Publishing, S. L. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Qulin Tan Chou Xie Xiao Xu |
author_facet |
Qulin Tan Chou Xie Xiao Xu |
author_sort |
Qulin Tan |
title |
Analysis of Railway Subgrade Settlement Deformation in Permafrost Regions Based on Satellite Interferometry 1 |
title_short |
Analysis of Railway Subgrade Settlement Deformation in Permafrost Regions Based on Satellite Interferometry 1 |
title_full |
Analysis of Railway Subgrade Settlement Deformation in Permafrost Regions Based on Satellite Interferometry 1 |
title_fullStr |
Analysis of Railway Subgrade Settlement Deformation in Permafrost Regions Based on Satellite Interferometry 1 |
title_full_unstemmed |
Analysis of Railway Subgrade Settlement Deformation in Permafrost Regions Based on Satellite Interferometry 1 |
title_sort |
analysis of railway subgrade settlement deformation in permafrost regions based on satellite interferometry 1 |
publishDate |
2014 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.432.9012 http://www.sensorsportal.com/HTML/DIGEST/april_2014/Vol_168/P_1989.pdf |
genre |
permafrost |
genre_facet |
permafrost |
op_source |
http://www.sensorsportal.com/HTML/DIGEST/april_2014/Vol_168/P_1989.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.432.9012 http://www.sensorsportal.com/HTML/DIGEST/april_2014/Vol_168/P_1989.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766165124823908352 |