By I. M. Yaglom
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Extra info for A Simple Non-Euclidean Geometry and Its Physical Basis
The magnitude of the loads will vary over the life of the project depending on the type of structure, location, and a number of other variables considered by the transmission line designer. ) The design of foundations and anchors in the Tanana Flats considered the presence of both frozen and unfrozen conditions. Unfrozen Ground. Based on the field data collected in the Tanana Flats, the available soil resistance in thawed ground was estimated to vary between 146 and 488 kg/m (300 and 1000 psf) (Golder Associates, May 2 and July 18, 2000).
Following an overview of terms and history, the following sections present case histories of permafrost piles—some with problems, some with novel solutions. 2 A Pile of Names: An Etymology A discussion of piles in permafrost almost has to start with the definition of thermal piles. The thermal pile kicks Mother Nature's natural cooling up a notch, an increasingly important issue with our warming climate. But what is a thermal pile or thermosyphon or thermopile or thermoprobe or heat pipe or heat tube or thermotube or thermosiphon?
The design of foundations and anchors in the Tanana Flats considered the presence of both frozen and unfrozen conditions. Unfrozen Ground. Based on the field data collected in the Tanana Flats, the available soil resistance in thawed ground was estimated to vary between 146 and 488 kg/m (300 and 1000 psf) (Golder Associates, May 2 and July 18, 2000). ) in areas that thaw. In areas that are currently unfrozen, the average soil resistance was expected to be about 342 kg/m (700 psf) along piles 46 PERMAFROST FOUNDATIONS • embedded to a depth of 15 m (50 ft).