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Building envelope and infrastructure assessment using an integrated thermal imaging and lidar scanning system : Amundsen-Scott South Pole Station, Antarctica

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Date

2018-06

Authors

LeWinter, Adam L.
Finnegan, David C.
Deeb, Elias J.
Gadomski, Peter J.

Journal Title

Journal ISSN

Volume Title

Publisher

Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)

Abstract

We conducted a combined lidar and Thermal Infrared (TIR) survey at the Amundsen-Scott South Pole Station, Antarctica, in January 2017 to assess the building thermal envelope and infrastructure of the Elevated Station. These coregistered data produce a three-dimensional (3-D) model with as-signed temperature values for target surfaces, useful in spatially identifying thermal anomalies and areas for potential improvements. In addition, the accuracy of the resulting 3-D point cloud is useful for assessing building infrastructure by locating and quantifying areas of building settlement and structural anomalies. The lidar/TIR data collection was conducted in tandem with interior and exterior temperature and atmospheric measurement logging, handheld electro-optical imagery collection, and Global Navigation Satellite System real-time kinematic surveys to place the collected data in a global coordinate system. By analyzing the resulting data products, we conclude that while some thermal deficiencies exist, the building design and the material have maintained thermal-envelope integrity and display no significant thermal deficiencies. However, comparing building base elevations shows that significant and unequal settlement across the building has occurred.We suggest mitigating the thermal deficiencies through exterior repairs and that the building settlement be addressed in future leveling procedures to include lidar surveys.

Description

Miscellaneous Paper

Keywords

Antarctica, Buildings--Cold regions, Buildings--Heating and ventilation, Buildings--Insulation, Buildings--Thermal properties, EPOLAR, NSF, Optical radar, Thermography

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