Title:
既設コンクリート舗装の補修方法およびコンクリート床版
Document Type and Number:
Japanese Patent JP7332308
Kind Code:
B2
Abstract:
To provide a repair method that can easily realize the replacement of a part of an existing PC pavement with a PPRC slab in a short period of time.SOLUTION: A part of an existing PC pavement 30 is repaired by being replaced with a PPRC slab 1. A single large rigid flat slab is formed by connecting a plurality of the newly installed PPRC slabs 1 to each other via a connecting mechanism. Thus, concerns relating to joints will not occur. Further, a special concrete slab 10 is inserted between the existing PC pavement 30 other than the repaired part and the newly repaired part. The special concrete floor slab 10 can effectively utilize a tension material 32 of the existing PC pavement 30, and can be connected to the new PPRC slabs 1. Thereby, the rigid flat slab is integrated with the existing PC pavement 30.SELECTED DRAWING: Figure 8
Inventors:
Akihiko Ito
Noboru Ogawa
Eiji Morita
Yasushi Nishikawa
Noboru Ogawa
Eiji Morita
Yasushi Nishikawa
Application Number:
JP2019045751A
Publication Date:
August 23, 2023
Filing Date:
March 13, 2019
Export Citation:
Assignee:
Guy Art Co., Ltd.
Technos Co., Ltd.
Technos Co., Ltd.
International Classes:
E01C23/00; E01C5/10; E01C7/16
Domestic Patent References:
| JP2001214694A |
Attorney, Agent or Firm:
Maejima Daigo
Katsumi Udaka
Junichi Hatakeyama
Kenji Usaba
Katsumi Udaka
Junichi Hatakeyama
Kenji Usaba