Journal of Natural Disaster Science

FROST PENETRATION DEPTH IN HOKKAIDO, JAPAN*

Seiiti KINOSITA
Professor, Institute of Low Temperature Science, Hokkaido University, Sapporo
Masami FUKUDA
Institute of Low Temperature Science, Hokkaido University, Sapporo
and
Hiroshi YAHAGI
Kushiro Branch Division, Hokkaido University of Education, Kushiro

(Received 30 November, 1979, and in revised form 30 January, 1980)

Abstract

Serious damage may occur on structural foundations and buildings when ground froze in winter. Frost penetration depths had been measured at various sites throughout Hokkaido in the winter during 1974-75. The experimental results are presented graphically.

Key words

ground freezing, frost penetration, cold region

* Part of this work was published in the Journal of Analytical Researches on Data of Natural Disaster, Vol.6, 1977 (in Japanese).