Title:
STAIRS CONSTRUCTION METHOD AND DEVICE THEREFOR
Document Type and Number:
Japanese Patent JP3773734
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To construct a high grade stairs to be arranged in a connecting tunnel or an inspection gallery in a short time.
SOLUTION: After forms for stairs 22 which are arranged in the connection tunnel 14 and the inspection galley 18 so as to rise, lower, and move freely and are provided with a lid body 24 capable of being opened and closed upward and freely are arranged across a predetermined distance between the connection tunnel 14 and a floor surface 40 of the inspection galley 18, concrete 52 is placed between the floor surface 40 and the forms for stairs 22 by opening the lid body 24 as required, then the concrete 52 is cured and hardened, and the forms for stairs 22 are removed to construct the stairs 20 in the connection tunnel 14 and the inspection gallery 18.
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Inventors:
Shimosaka Minoru
Tsutomu Kitagawa
Toru Yamazaki
Tsutomu Kitagawa
Toru Yamazaki
Application Number:
JP2000011606A
Publication Date:
May 10, 2006
Filing Date:
January 20, 2000
Export Citation:
Assignee:
Kashima Construction Co., Ltd.
Gifu Industry Co., Ltd.
Gifu Industry Co., Ltd.
International Classes:
E04G13/06; E21D11/10; (IPC1-7): E04G13/06; E21D11/10
Domestic Patent References:
| JP7252935A | ||||
| JP59041562A |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda