Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04G-023/02
E02D-037/00
출원번호
US-0145665
(2016-05-03)
등록번호
US-9879436
(2018-01-30)
발명자
/ 주소
Richardson, George David
Krivulin, Semion
Rosas-Gracida, Jorge Ricardo
Fang, Zi Li
출원인 / 주소
CFS Concrete Forming Systems Inc
대리인 / 주소
Rattray, Todd A.
인용정보
피인용 횟수 :
0인용 특허 :
111
초록▼
An existing concrete structure is repaired by covering at least a portion of the existing structure with a repair structure. Standoff retainers (each comprising an elongated member, fastener-receiving features and standoff-engaging curves) are mounted to the existing structure. Fasteners extend thro
An existing concrete structure is repaired by covering at least a portion of the existing structure with a repair structure. Standoff retainers (each comprising an elongated member, fastener-receiving features and standoff-engaging curves) are mounted to the existing structure. Fasteners extend through the one or more fastener-receiving features and into the existing structure. Standoffs are coupled to the standoff retainers and extend away from the existing structure by extending the elongated members through apertures in the standoffs and locating each of the standoffs at a location of one of the standoff-engaging curves. Panels are coupled to the standoffs at locations spaced apart from the existing structure. Curable material is introduced to the space between the panels and the existing structure. The panels act as a formwork for containing the curable material until the curable material cures to provide a repair structure cladded by the panels.
대표청구항▼
1. An apparatus for repairing an existing concrete structure to cover at least a portion of the existing structure with a repair structure, the apparatus comprising: one or more standoff retainers mounted to the existing structure, each standoff retainer comprising an elongated member comprising a p
1. An apparatus for repairing an existing concrete structure to cover at least a portion of the existing structure with a repair structure, the apparatus comprising: one or more standoff retainers mounted to the existing structure, each standoff retainer comprising an elongated member comprising a plurality of fastener-receiving features and one or more standoff-engaging curves and each standoff retainer mounted to the existing structure by a fastener extending through each of the plurality of fastener-receiving features and into the existing structure;one or more standoffs coupled to each of the one or more standoff retainers, the one or more standoffs extending away from the existing structure and the one or more standoffs coupled to each of the one or more standoff retainers by extension of the elongated member of each of the one or more standoff retainers through a corresponding closed aperture in, and defined completely by, each of the one or more standoffs and location of each of the one or more standoffs at a corresponding location of a corresponding one of the one or more standoff-engaging curves of the elongated member of each of the one or more standoff retainers;one or more panels coupled to the one or more standoffs at one or more locations spaced apart from the existing structure to provide a space between the one or more panels and the existing structure; andwherein curable material is introduced to the space between the one or more panels and the existing structure, the one or more panels retained from moving outwardly relative to the existing structure by the coupling of the one or more panels to the one or more standoffs, the coupling of the one or more standoffs to each of the one or more standoff retainers and the mounting of the one or more standoff retainers to the existing structure, and the one or more panels acting as at least a portion of a formwork for containing the curable material until the curable material cures to provide a repair structure cladded, at least in part, by the one or more panels. 2. An apparatus according to claim 1 wherein, for each standoff retainer, the plurality of fastener-receiving features each comprise a fastener-receiving curve in the elongated member. 3. An apparatus according to claim 2 wherein, for each standoff retainer, the fastener-receiving curves each comprise a closed loop in the elongated member. 4. An apparatus according to claim 2 wherein, for each standoff retainer, the fastener-receiving curves each comprise a U-shaped curve in the elongated member, the U-shaped curve open at one end. 5. An apparatus according to claim 1 wherein, for each standoff retainer, the plurality of fastener-receiving features each comprise a fastener-receiving aperture in the elongated member. 6. An apparatus according to claim 1 wherein, for each standoff retainer, the elongated member comprises an elongated curved rod. 7. An apparatus according to claim 1 wherein, for each standoff retainer, the one or more standoff-engaging curves each comprise a U-shaped curve open at one end. 8. An apparatus according to claim 1 wherein, for each standoff retainer, the elongated member comprises an elongated strip having an elongated dimension and an orthogonal transverse dimension which are greater than a thickness dimension thereof, the thickness dimension orthogonal to both the elongated and transverse orthogonal dimensions. 9. An apparatus according to claim 8 wherein, for each standoff retainer, the plurality of fastener-receiving features each comprise a fastener-receiving aperture through, and completely defined by, the elongated strip. 10. An apparatus according to claim 8 wherein, for each standoff retainer, the one or more standoff-engaging curves comprise a U-shaped bend open at one end. 11. A method for repairing an existing concrete structure by covering at least a portion of the existing structure with a repair structure, the method comprising: mounting one or more standoff retainers to the existing structure, each standoff retainer comprising an elongated member comprising a plurality of fastener-receiving features and one or more standoff-engaging curves, wherein mounting the one or more standoff retainers to the existing structure comprises extending a fastener through each of the plurality of fastener-receiving features and into the existing structure;coupling one or more standoffs to each of the one or more standoff retainers, such that the one or more standoffs extend away from the existing structure, wherein coupling the one or more standoffs to each of the one or more standoff retainers comprises extending the elongated member of each of the one or more standoff retainers through a corresponding closed aperture in, and defined completely by, each of the one or more standoffs and locating each of the one or more standoffs at a corresponding location of a corresponding one of the one or more standoff-engaging curves of the elongated member of each of the one or more standoff retainers;coupling one or more panels to the one or more standoffs such that the one or more panels are spaced apart from the existing structure to provide a space between the one or more panels and the existing structure; andintroducing a curable material to the space between the one or more panels and the existing structure, the one or more panels retained from moving outwardly relative to the existing structure by the coupling of the one or more panels to the one or more standoffs, the coupling of the one or more standoffs to each of the one or more standoff retainers and the mounting of the one or more standoff retainers to the existing structure, and the one or more panels acting as at least a portion of a formwork for containing the curable material until the curable material cures to provide a repair structure cladded, at least in part, by the one or more panels. 12. A method according to claim 11 wherein, for each standoff retainer, the plurality of fastener-receiving features each comprise a fastener-receiving curve in the elongated member. 13. A method according to claim 12 wherein, for each standoff retainer, the fastener-receiving curves each comprise a closed loop in the elongated member. 14. A method according to claim 12 wherein, for each standoff retainer, the fastener-receiving curves each comprise a U-shaped curve in the elongated member, the U-shaped curve open at one end. 15. A method according to claim 11 wherein, for each standoff retainer, the plurality of fastener-receiving features each comprise a fastener-receiving aperture in the elongated member. 16. A method according to claim 11 wherein, for each standoff retainer, the elongated member comprises an elongated curved rod. 17. A method according to claim 11 wherein, for each standoff retainer, the one or more standoff-engaging curves each comprise a U-shaped curve open at one end. 18. A method according to claim 11 wherein, for each standoff retainer, the elongated member comprises an elongated strip having an elongated dimension and an orthogonal transverse dimension which are greater than a thickness dimension thereof, the thickness dimension orthogonal to both the elongated and transverse orthogonal dimensions. 19. A method according to claim 18 wherein, for each standoff retainer, the plurality of fastener-receiving features each comprise a fastener-receiving aperture through, and completely defined by, the elongated strip. 20. A method according to claim 19 wherein, for each standoff retainer, the one or more standoff-engaging curves each comprise a U-shaped bend open at one end.
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