Title:
プレストレストコンクリート用構造体
Document Type and Number:
Japanese Patent JP7223391
Kind Code:
B2
Abstract:
To provide a structure for a pre-stressed concrete integrated with a spacer capable of preventing deformation and damage of a steel permanent formwork.SOLUTION: A structure for a pre-stressed concrete comprises: a steel plate 4b; a rod-like steel material 10 used as a spacer for a pre-stressed concrete whose first end 10a is enlarged and to whose second end at an opposite side a temporary formwork is connected; and a cylinder-shaped member 11 which is fixed to the steel plate 4b, and has an inner diameter larger than the first end 10. The cylinder-shaped member 11 includes an end face with a hole 11a having a smaller diameter than the first end 10a and allowing the rod-like steel material 10 to be inserted therethrough. The cylinder-shaped member is also provided with the first end 10a therein. The structure for a pre-stressed concrete further comprise a buffer material 8b covering a part facing the pre-stressed concrete of the cylinder-shaped member 11 and the steel plate 4b.SELECTED DRAWING: Figure 2
Inventors:
Koji Ishii
Doi Masayuki
Doi Masayuki
Application Number:
JP2018170586A
Publication Date:
February 16, 2023
Filing Date:
September 12, 2018
Export Citation:
Assignee:
Ishii Iron Works Co., Ltd.
International Classes:
E04H7/20; B65D90/02; E04B2/86; E04G17/065
Domestic Patent References:
| JP2017008706A | ||||
| JP61064940A | ||||
| JP63134746A | ||||
| JP3084299A |