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A platform for research: civil engineering, architecture and urbanism
Performance of the Squirrel Creek Slopes: Steep Slopes on Discontinuous Permafrost
The two slopes approaching Squirrel Creek were modified during construction because natural slopes in the area of similar steepness were displaying landslides. The original design plans called for the pipe to be buried on these slopes. When drilling found discontinuous, warm permafrost along these slopes, the pipe design mode was changed to aboveground with heat pipes to maintain frozen ground. Since construction of the Trans Alaska Pipeline System (TAPS), Alyeska Pipeline Service Company (ASPC) has been monitoring instrumentation on these slopes and performing periodic maintenance. This paper will describe the history of the performance of these slopes and the maintenance activities that have been employed to address some of the issues that have developed along the slopes since construction. Documented solifluction-like movements, changes in ground thermal state, frost heave, and thaw settlement have all been monitoring and addressed with maintenance.
Performance of the Squirrel Creek Slopes: Steep Slopes on Discontinuous Permafrost
The two slopes approaching Squirrel Creek were modified during construction because natural slopes in the area of similar steepness were displaying landslides. The original design plans called for the pipe to be buried on these slopes. When drilling found discontinuous, warm permafrost along these slopes, the pipe design mode was changed to aboveground with heat pipes to maintain frozen ground. Since construction of the Trans Alaska Pipeline System (TAPS), Alyeska Pipeline Service Company (ASPC) has been monitoring instrumentation on these slopes and performing periodic maintenance. This paper will describe the history of the performance of these slopes and the maintenance activities that have been employed to address some of the issues that have developed along the slopes since construction. Documented solifluction-like movements, changes in ground thermal state, frost heave, and thaw settlement have all been monitoring and addressed with maintenance.
Performance of the Squirrel Creek Slopes: Steep Slopes on Discontinuous Permafrost
Tart, Jr., Rupert G. (author) / Ferrell, John E. (author)
11th International Conference on Cold Regions Engineering ; 2002 ; Anchorage, Alaska, United States
Cold Regions Engineering ; 39-49
2002-05-08
Conference paper
Electronic Resource
English
Performance of the Squirrel Creek Slopes: Steep Slopes on Discontinuous Permafrost
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