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Record #168341:

3D nonlinear analyses for temperature field of ventilative embankment in cold regions / Long Mi, Yuanming Lai, Kehua Zhang.

Title: 3D nonlinear analyses for temperature field of ventilative embankment in cold regions / Long Mi, Yuanming Lai, Kehua Zhang.
Author(s): Mi, Long.
Lai, Yuanming.
Zhang, Kehua.
Date: 2002.
Language: Chinese.
In: Journal of Glaciology and Geocryology. (2002.), Vol. 24(6) (2002)
Abstract: Proposes ventilative embankment for engineering in cold regions. Pipes 0.4 m in diameter are placed in embankment 1 m above native ground surface, located at 4000 m elevation. Embankment composed of four parts: ballast; gravel and grit; sub-clay; and weathering metamorphic schist. Constructs non-linear mathematical model in which temperatures at native and air-contact surfaces, gravel side slopes and pavement surface are all described as sine functions. Geothermal heat flux is prescribed. Simulates evolution of temperature field over 2 years following construction using finite element method. Results indicate ventilative embankment shrinks thawing zone, reducing maximum thawing depth and raising 0°C contour and ensuring stability of embankment.
Notes:

Journal of Glaciology and Geocryology. Vol. 24(6) :765-769 (2002).

English summary and captions.

Keywords: 624.139 -- Engineering in frozen ground.
624.136 -- Embankments.
551.34 -- Geocryology. Frozen ground.
551.341 -- Permafrost and frozen ground, equipment for investigating.
536 -- Heat.
624.139.26 -- Bearing capacity of ground, effects of freezing and thawing.
519.673 -- Modelling.
E12 -- Glaciology: frozen ground / snow and ice engineering.
(515) -- Tibet.
(235.24) -- Himalayas. Karakorum. Tibetan plateau.
SPRI record no.: 168341

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245 10 ‡a3D nonlinear analyses for temperature field of ventilative embankment in cold regions /‡cLong Mi, Yuanming Lai, Kehua Zhang.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2002.
300 ## ‡ap. 765-769 :‡bdiags.
500 ## ‡aJournal of Glaciology and Geocryology. Vol. 24(6) :765-769 (2002).
500 ## ‡aEnglish summary and captions.
520 3# ‡aProposes ventilative embankment for engineering in cold regions. Pipes 0.4 m in diameter are placed in embankment 1 m above native ground surface, located at 4000 m elevation. Embankment composed of four parts: ballast; gravel and grit; sub-clay; and weathering metamorphic schist. Constructs non-linear mathematical model in which temperatures at native and air-contact surfaces, gravel side slopes and pavement surface are all described as sine functions. Geothermal heat flux is prescribed. Simulates evolution of temperature field over 2 years following construction using finite element method. Results indicate ventilative embankment shrinks thawing zone, reducing maximum thawing depth and raising 0°C contour and ensuring stability of embankment.
546 ## ‡aIn Chinese.
650 07 ‡a624.139 -- Engineering in frozen ground.‡2udc
650 07 ‡a624.136 -- Embankments.‡2udc
650 07 ‡a551.34 -- Geocryology. Frozen ground.‡2udc
650 07 ‡a551.341 -- Permafrost and frozen ground, equipment for investigating.‡2udc
650 07 ‡a536 -- Heat.‡2udc
650 07 ‡a624.139.26 -- Bearing capacity of ground, effects of freezing and thawing.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡aE12 -- Glaciology: frozen ground / snow and ice engineering.‡2local
651 #7 ‡a(515) -- Tibet.‡2udc
651 #7 ‡a(235.24) -- Himalayas. Karakorum. Tibetan plateau.‡2udc
700 1# ‡aLai, Yuanming.
700 1# ‡aZhang, Kehua.
773 0# ‡7nnas ‡tJournal of Glaciology and Geocryology. ‡gVol. 24(6) (2002) ‡wSPRI-72888
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