Modeling the natural freezeback of piles using COMSOL Multiphysics®
Thesis (M.S.) University of Alaska Fairbanks, 2017 Slurried pile foundations installed in predrilled holes are one of the most common foundations for building major structures on permafrost. This installation method relies on the cold permafrost to freeze the backfilled slurry around the piles to pr...
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ftunivalaska:oai:scholarworks.alaska.edu:11122/7591 2023-05-15T17:57:07+02:00 Modeling the natural freezeback of piles using COMSOL Multiphysics® Clausen, Elliot D. Peterson, Rorik Shur, Yuri Perkins, Robert 2017-05 http://hdl.handle.net/11122/7591 en_US eng http://hdl.handle.net/11122/7591 Department of Civil and Environmental Engineering Thesis ms 2017 ftunivalaska 2023-02-23T21:36:52Z Thesis (M.S.) University of Alaska Fairbanks, 2017 Slurried pile foundations installed in predrilled holes are one of the most common foundations for building major structures on permafrost. This installation method relies on the cold permafrost to freeze the backfilled slurry around the piles to provide the strength required to support loads of a structure. Nearly all evaluations of freezeback time to date stems from the work of Frederick Crory presented to the First International Conference on Permafrost in 1963 and published in 1966. Crory never published field data but he provided an equation to determine freezeback time. This work was later expanded upon by G.H. Johnston in 1981 however Johnston gives no explanation for how or why he varied from what Crory had done. The purpose of this research is to check the results predicted by both Crory and Johnston with a contemporary computer modeling using COMSOL ® Multiphysics. Due to the advancement in technology and the power of COMSOL as a program more variables and situations will be able to be examined than what was available to Crory or Johnston at the times of their publications. This will be the first research in over 50 years to revise the work first published by Crory and show that his equation produces results that are significantly shorter than what the model calculates. Thesis permafrost Alaska University of Alaska: ScholarWorks@UA Fairbanks |
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Open Polar |
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University of Alaska: ScholarWorks@UA |
op_collection_id |
ftunivalaska |
language |
English |
description |
Thesis (M.S.) University of Alaska Fairbanks, 2017 Slurried pile foundations installed in predrilled holes are one of the most common foundations for building major structures on permafrost. This installation method relies on the cold permafrost to freeze the backfilled slurry around the piles to provide the strength required to support loads of a structure. Nearly all evaluations of freezeback time to date stems from the work of Frederick Crory presented to the First International Conference on Permafrost in 1963 and published in 1966. Crory never published field data but he provided an equation to determine freezeback time. This work was later expanded upon by G.H. Johnston in 1981 however Johnston gives no explanation for how or why he varied from what Crory had done. The purpose of this research is to check the results predicted by both Crory and Johnston with a contemporary computer modeling using COMSOL ® Multiphysics. Due to the advancement in technology and the power of COMSOL as a program more variables and situations will be able to be examined than what was available to Crory or Johnston at the times of their publications. This will be the first research in over 50 years to revise the work first published by Crory and show that his equation produces results that are significantly shorter than what the model calculates. |
author2 |
Peterson, Rorik Shur, Yuri Perkins, Robert |
format |
Thesis |
author |
Clausen, Elliot D. |
spellingShingle |
Clausen, Elliot D. Modeling the natural freezeback of piles using COMSOL Multiphysics® |
author_facet |
Clausen, Elliot D. |
author_sort |
Clausen, Elliot D. |
title |
Modeling the natural freezeback of piles using COMSOL Multiphysics® |
title_short |
Modeling the natural freezeback of piles using COMSOL Multiphysics® |
title_full |
Modeling the natural freezeback of piles using COMSOL Multiphysics® |
title_fullStr |
Modeling the natural freezeback of piles using COMSOL Multiphysics® |
title_full_unstemmed |
Modeling the natural freezeback of piles using COMSOL Multiphysics® |
title_sort |
modeling the natural freezeback of piles using comsol multiphysics® |
publishDate |
2017 |
url |
http://hdl.handle.net/11122/7591 |
geographic |
Fairbanks |
geographic_facet |
Fairbanks |
genre |
permafrost Alaska |
genre_facet |
permafrost Alaska |
op_relation |
http://hdl.handle.net/11122/7591 Department of Civil and Environmental Engineering |
_version_ |
1766165486862598144 |