Title:
STRUCTURE OF LOW TEMPERATURE UNDERGROUND TANK
Document Type and Number:
Japanese Patent JP3845211
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To suppress the development of a crack by connecting a lower end of a side wall with a base without providing a joint therebetween and providing a cutout part in a lower fringe part at the outer periphery of the base, in a low temperature underground tank constituted by the side wall, the base, and an underground continuous wall provided at the outer periphery of the side wall.
SOLUTION: When a low temperature underground tank is constructed, a cylindrical underground continuous wall 1 is first constructed, its inside is digged down to a deepest part, and concrete is placed in a base 2. After that, concrete is placed in a side wall 3 to construct an uppermost part and a roof 4. At this time, when the base 2 and the side wall 3 are mutually connected, a rigid connection structure in which a joint is not provided between a lower end of the side wall 3 and the base 2 is employed. Moreover, the base 2 is like a thick disc, and a cutout part is provided in a lower fringe part at the outer periphery of the base 2. Consequently, a cutout oblique face 5 is formed in the lower fringe part at the outer periphery of the base 2, and a nonwoven fabric is attached to the cutout oblique face 5 to cut a fringe and make water pressure act in this part securely.
Inventors:
Koji Aihara
Tsubone Yasuo
Tsuda victory
Shoichi Watanabe
Tsubone Yasuo
Tsuda victory
Shoichi Watanabe
Application Number:
JP30262698A
Publication Date:
November 15, 2006
Filing Date:
October 23, 1998
Export Citation:
Assignee:
Taisei Corporation
Tokyo Gas Co., Ltd.
Tokyo Gas Co., Ltd.
International Classes:
E02D29/045; F17C13/08; E04H7/18; E21D13/00; (IPC1-7): F17C13/08; E02D29/045; E21D13/00; E04H7/18
Domestic Patent References:
| JP4114888A | ||||
| JP59055961A |
Other References:
佐波佳宏,我妻三男,「サテライト用小型LNG地下タンクの開発」,圧力技術,社団法人日本高圧力技術協会,平成2年7月25日,第28巻,第4号,p.193-200
Attorney, Agent or Firm:
Sakuo Yamaguchi