Title:
FROST HEAVING PREVENTION METHOD OF UNDER FLOOR
Document Type and Number:
Japanese Patent JP3961364
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To surely perform frost heaving prevention, reduce a construction cost and a running cost, and easily perform maintenance.
SOLUTION: An under floor blast piping 25 constituted by a perforated pipe is arranged inside an under floor crushed rock layer 19. A hot air by an exhaust heat of a refrigerator outside machine 16 and an outside air which is taken into a space between an outer wall 29, a roof 28 of a building 11 and a wall of a freezing chamber 12 and is made to flow in the space are sent to the blast piping in a switchable manner.
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Inventors:
Masashi Morishita
Application Number:
JP2002225657A
Publication Date:
August 22, 2007
Filing Date:
August 02, 2002
Export Citation:
Assignee:
Kashima Construction Co., Ltd.
International Classes:
E04B1/92; F25D23/06; F25D13/00; (IPC1-7): F25D23/06; E04B1/92
Domestic Patent References:
| JP57139266A | ||||
| JP8187315A | ||||
| JP56003867A | ||||
| JP58025354U | ||||
| JP10121636A | ||||
| JP56087540U | ||||
| JP9203580A |
Attorney, Agent or Firm:
Tsukasa Kubo