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(Article of periodic en Anglais - 2007)

Document title

The thermal semi-conductor effect of crushed rocks

Authors(s) and Affiliation(s)

GUODONG C. ; YUANMING L. ; ZHIZHONG S. ; FAN J. ;

Abstract

The AA. show that the cooling effect of closed and sloping rock layers is in the form of Rayleigh-Bénard convection, while that of open and inclined rock layers is via the chimney effect and wind-forced convection. Cooling has been observed in numerical simulations, laboratory models and field mock-up experiments. Coarse rocks were widely used in the construction of the Qinghai-Xizang Railroad and temperature monitoring of their performance indicates that they do have a cooling effect on embankments. It is recommended that they be used in engineering projects in sensitive permafrost areas as a cooling agent and/or a countermeasure against possible global warming

Source

Article of periodic

published at : Permafrost and periglacial processes / ISSN 1045-6740 / CODEN PEPPED

Editor : Wiley, Chichester - ROYAUME-UNI (1990)

Millesime : 2007, vol. 18, no2 [pp. 151-160]

Bibliographic references : 19 ref.

Collation : Illustration ;

Language

Anglais

Localisation

Laboratoire INTERGEO - Paris

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2008.
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