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
E04B-002/86
출원번호
US-0143315
(2010-01-07)
등록번호
US-9273479
(2016-03-01)
국제출원번호
PCT/CA2010/000003
(2010-01-07)
§371/§102 date
20110705
(20110705)
국제공개번호
WO2010/078645
(2010-07-15)
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 :
2인용 특허 :
103
초록▼
Methods are provided for repairing an existing structure to cover at least a portion of the existing structure with a repair structure. Such methods comprise mounting one or more standoff retainers to the existing structure; coupling one or more standoffs to the standoff retainers such that the stan
Methods are provided for repairing an existing structure to cover at least a portion of the existing structure with a repair structure. Such methods comprise mounting one or more standoff retainers to the existing structure; coupling one or more standoffs to the standoff retainers such that the standoffs extend away from the existing structure; coupling one or more cladding panels to the standoffs such that the panels are spaced apart from the structure to provide a space therebetween; and introducing a curable material to the space between the panels and the existing structure, the 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 panels. Corresponding apparatus for effecting such methods are also provided.
대표청구항▼
1. An apparatus for repairing an existing structure to cover at least a portion of the existing structure with a repair structure, the apparatus comprising: one or more standoff retainers elongated in a longitudinal direction and mounted to the existing structure;one or more standoffs elongated in t
1. An apparatus for repairing an existing structure to cover at least a portion of the existing structure with a repair structure, the apparatus comprising: one or more standoff retainers elongated in a longitudinal direction and mounted to the existing structure;one or more standoffs elongated in the longitudinal direction and coupled to the one or more standoff retainers by relative movement in the longitudinal direction between the one or more standoffs and the one or more standoff retainers to form one or more connections between the one or more standoff retainers and the one or more standoffs, the one or more connections elongated in the longitudinal direction, the standoffs extending away from the existing structure;one or more cladding panels coupled to the one or more standoffs, the panels spaced apart from the existing structure to provide a space therebetween, wherein the one or more panels are coupled to one or more of the standoffs by one or more panel connector components located entirely between an outer surface of the existing structure and an outer surface of the panels, the outer surface of the panels opposed to the outer surface of the existing structure;wherein curable material is introduced to the space between the panels and the existing structure and the panels act as at least a portion of a form-work for containing the curable material until the curable material cures to provide a repair structure cladded, at least in part, by the panels;wherein each of the one or more standoff retainers comprises:an interior wall, the interior wall comprising a mounting surface which abuts against the outer surface of the existing structure for mounting the standoff retainer to the existing structure by extension of fasteners through the interior wall and into the existing structure;an intermediate wall generally parallel to the interior wall and spaced apart from the interior wall in an outward direction; anda pair of sidewalls extending between the interior wall and the intermediate wall;wherein the interior wall and the intermediate wall have elongated shapes which comprise first dimensions in the longitudinal direction and second dimensions in a transverse direction orthogonal to the longitudinal direction, the longitudinal and transverse directions are both generally orthogonal to the outward direction, and the first dimensions in the longitudinal direction are greater than the second dimensions in the transverse direction;wherein each of the one or more standoff retainers comprises a pair of connector component walls which extend in the outward direction from the intermediate wall at locations spaced apart from one another along the transverse direction. 2. An apparatus according to claim 1 wherein the one or more standoff retainers mounted to the existing structure, the one or more standoffs coupled to the one or more standoff retainers and the one or more panels coupled to the one or more standoffs together constrain movement of the panels away from the existing structure and thereby contain the curable material until the curable material cures. 3. An apparatus according to claim 1 wherein each of the one or more panel connector components is elongated in the longitudinal direction and wherein the one or more panels are coupled to the one or more standoffs by at least one connection formed between the one or more standoffs and the one or more panel connector components, the at least one connection elongated in the longitudinal direction, the longitudinal direction oriented generally parallel to the outer surface of the existing structure. 4. An apparatus according to claim 1 wherein the standoff retainers comprise one or more standoff retainer connector components elongated in the longitudinal direction, the standoffs comprise one or more standoff connector components elongated in the longitudinal direction and the one or more connections between the one or more standoffs retainers and the one or more standoffs comprise longitudinally extending connections between the standoff retainer connector components and the standoff connector components. 5. An apparatus according to claim 4 wherein each longitudinally extending connection between the standoff retainer connector components and the standoff connector components comprises a slidable connection involving relative movement of the standoff retainer and the standoff in the longitudinal direction, the longitudinal direction generally aligned with the outer surface of the existing structure in a vicinity of the slidable connection. 6. An apparatus according to claim 4 wherein the mounting surface is located between the standoff retainer connector components and the existing structure and wherein the standoff retainers comprise one or more connector component apertures through the standoff retainer connector components and one or more mounting surface apertures through the mounting surface, each connector component aperture coaxial with a corresponding mounting surface aperture to permit extension of a fastener through the mounting surface aperture and into the existing structure. 7. An apparatus according to claim 6 wherein the mounting surface apertures have cross-sectional areas less than those of the connector component apertures. 8. An apparatus according to claim 1 wherein each of the standoffs comprise one or more standoff connector components at or near an outer edge thereof for engaging one or more corresponding ones of the panel connector components and thereby coupling the one or more panels to the standoffs. 9. An apparatus according to claim 8 wherein the standoffs comprise one or more edge-connecting standoffs, each edge connecting standoff coupled to one panel connector component on a first edge of a first panel and coupled to one panel connector component on a second edge of a second panel such that the first and second panels are connected, via the edge-connecting standoff, in edge-adjacent relationship. 10. An apparatus according to claim 1 wherein the connector component walls curve toward one another and then back in an inward direction opposite the outward direction to provide a pair of connector components for coupling to complementary connector components of the standoffs. 11. An apparatus according to claim 1 wherein the interior wall comprises a plurality of interior wall apertures therethrough, the interior wall apertures spaced apart from one another in the longitudinal direction along the interior wall; wherein the intermediate wall comprises a plurality of intermediate wall apertures therethrough, the intermediate wall apertures spaced apart from one another in the longitudinal direction along the intermediate wall; and wherein centers of the interior wall apertures are coaxial with centers of the intermediate wall apertures for permitting extension of fasteners through coaxial pairs of intermediate wall apertures and interior wall apertures and into the existing structure. 12. An apparatus according to claim 11 wherein the interior wall apertures have cross-sectional areas less than those of the intermediate wall apertures. 13. An apparatus according to claim 1 wherein the cladding panels are curved along their transverse extension. 14. A kit for repairing an existing structure by covering at least a portion of the existing structure with a repair structure, the kit comprising: one or more longitudinally extending standoff retainers mountable to the existing structure to extend in a longitudinal direction;one or more longitudinally extending standoffs coupleable to the one or more standoff retainers to extend away from the standoff retainers in an outward direction by relative movement in the longitudinal direction between the one or more standoffs and the one or more retainers to form one or more connections between the one or more standoff retainers and the one or more standoffs, the one or more connections elongated in the longitudinal direction;one or more cladding panels comprising one or more panel connector components located entirely on an inside of an outward surface of the cladding panels, the one or more panel connector components coupleable to the one or more standoffs at outward ends of the standoffs and at locations spaced apart from the standoff retainers;wherein, when the one or more panel connector components are coupled to the one or more standoffs, the one or more standoffs are coupled to the one or more standoff retainers and the standoff retainers are mounted to the existing structure, a space is created on an inside of the one or more cladding panels and the one or more cladding panels are constrained from moving in the outward direction so as to be capable of at least partially containing curable material introduced into the space;wherein each of the one or more standoff retainers comprises:an interior wall, the interior wall comprising a mounting surface which is abuttable against the outer surface of the existing structure, the standoff retainer mountable to the existing structure by extension of fasteners through the interior wall and into the existing structure;an intermediate wall generally parallel to the interior wall and spaced apart from the interior wall in the outward direction; anda pair of sidewalls extending between the interior wall and the intermediate wall;wherein the interior wall and the intermediate wall have elongated shapes which comprise first dimensions in the longitudinal direction and second dimensions in a transverse direction orthogonal to the longitudinal direction, the longitudinal and transverse directions are both generally orthogonal to the outward direction, and the first dimensions in the longitudinal direction are greater than the second dimensions in the transverse direction; andwherein each of the one or more standoff retainers comprises a pair of connector component walls which extend in the outward direction from the intermediate wall at locations spaced apart from one another along the transverse direction. 15. A kit according to claim 14 wherein each of the one or more panel connector components is elongated in at least one dimension generally parallel to the outward surface of the cladding panels and wherein the one or more panel connector components are coupleable to the one or more standoffs by at least one connection formed between the one or more standoffs and the one or more panel connector components, the at least one connection elongated in the at least one dimension and the longitudinal direction. 16. A kit according to claim 14 wherein the standoff retainers comprise one or more longitudinally elongated standoff retainer connector components, the standoffs comprise one or more corresponding longitudinally elongated standoff connector components and the one or more connections between the one or more standoff retainers and the one or more standoffs comprising longitudinally extending connections between the standoff retainer connector components and the standoff connector components and each longitudinally extending connection comprises a slidable connection involving relative movement of the standoff retainer and the standoff in the longitudinal direction, the longitudinal direction generally orthogonal to the extension of the standoff in the outward direction. 17. A kit according to claim 14 wherein the standoff retainers comprise one or more standoff retainer connector components coupleable to one or more corresponding standoff connector components of a corresponding standoff, wherein the mounting surface is located inwardly of the standoff retainer connector components and wherein the standoff retainers comprise one or more connector component apertures through the standoff retainer connector components and one or more mounting surface apertures through the mounting surface, each connector component aperture coaxial with a corresponding mounting surface aperture. 18. A kit according to claim 17 wherein the one or more mounting surface apertures have cross-sectional areas less than those of the one or more connector component apertures. 19. A kit according to claim 14 wherein the connector component walls curve toward one another and then back in an inward direction opposite the outward direction to provide a pair of connector components for coupling to complementary connector components of the standoffs. 20. A kit according to claim 14 wherein the interior wall comprises a plurality of interior wall apertures therethrough, the interior wall apertures spaced apart from one another in the longitudinal direction along the interior wall; wherein the intermediate wall comprises a plurality of intermediate wall apertures therethrough, the intermediate wall apertures spaced apart from one another in the longitudinal direction along the intermediate wall; and wherein centers of the interior wall apertures are coaxial with centers of the intermediate wall apertures for permitting extension of fasteners through coaxial pairs of intermediate wall apertures and interior wall apertures and into the existing structure. 21. A kit according to claim 20 wherein the interior wall apertures have cross-sectional areas less than those of the intermediate wall apertures. 22. A kit according to claim 14 wherein the cladding panels are curved along their transverse extension. 23. A method for repairing an existing structure to cover 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, the standoff retainers elongated in a longitudinal direction;coupling one or more standoffs to the one or more standoff retainers such that the standoffs extend away from the existing structure, the one or more standoffs elongated in the longitudinal direction and wherein coupling the one or more standoffs to the one or more standoff retainers comprises moving the one or more standoffs and the one or more standoff retainers relative to one another in the longitudinal direction to form one or more connections between the one or more standoffs and the one or more standoff retainers, the one or more connections elongated in the longitudinal direction;coupling one or more cladding panels to the one or more standoffs such that the panels are spaced apart from the existing structure to provide a space therebetween wherein the panels are coupled to the standoffs by one or more panel connector components located entirely between an outer surface of the existing structure and an outer surface of the panels, the outer surface of the panels opposed to the outer surface of the existing structure;introducing a curable material to the space between the panels and the existing structure, the panels acting as at least a portion of a form-work for containing the curable material until the curable material cures to provide a repair structure cladded, at least in part, by the panels;wherein each of the one or more standoff retainers comprises a generally planar interior wall, an intermediate wall generally parallel to the interior wall and spaced apart from the interior wall in an outward direction and a pair of sidewalls extending between the interior wall and the intermediate wall; and wherein mounting the one or more standoff retainers to the existing structure comprises abutting a mounting surface of the interior wall against a surface of the portion of the existing structure and driving one or more fasteners through the intermediate wall, through the interior wall and into the existing structure;the method further comprising:providing the interior wall and the intermediate wall with elongated shapes which comprise first dimensions in the longitudinal direction and second dimensions in a transverse direction orthogonal to the longitudinal direction, the longitudinal and transverse directions both generally orthogonal to the outward direction, and the first dimensions in the longitudinal direction are greater than the second dimensions in the transverse direction; andproviding each of the one or more standoff retainers with a pair of connector component walls which extend in the outward direction from the intermediate wall at locations spaced apart from one another along the transverse direction. 24. A method according to claim 23 wherein mounting the one or more standoff retainers to the existing structure, coupling the one or more standoffs to the one or more standoff retainers and coupling the one or more cladding panels to the one or more standoffs together comprise constraining movement of the panels away from the existing structure for containing the curable material until the curable material cures. 25. A method according to claim 23 wherein each of the one or more panel connector components is elongated in the longitudinal direction and wherein coupling the one or more panels to the one or more standoffs comprises forming at least one connection between the one or more standoffs and the one or more panel connector components, the at least one connection elongated in the longitudinal direction, the longitudinal direction oriented generally parallel to the outer surface of the existing structure. 26. A method according to claim 23 wherein the standoff retainers comprise one or more standoff retainer connector components elongated in the longitudinal direction and the standoffs comprise one or more corresponding standoff connector components elongated in the longitudinal direction and wherein moving the one or more standoffs and the one or more standoff retainers relative to one another in the longitudinal direction to form one or more connections between the one or more standoffs and the one or more standoff retainers comprises forming longitudinally extending connections between the standoff retainer connector components and the standoff connector components. 27. A method according to claim 26 wherein forming longitudinally extending connections between the standoff retainer connector components and the standoff connector components comprises, for each longitudinal connection, effecting a slidable connection between the standoff retainer connector components and the standoff connector components, the slidable connection involving relative movement between the standoff retainer and the standoff in the longitudinal direction, the longitudinal direction generally aligned with the outer surface of the existing structure in a vicinity of the slidable connection. 28. A method according to claim 26 wherein the mounting surface is located between the standoff retainer connector components and the existing structure and wherein one or more connector component apertures are provided through the standoff retainer connector components and one or more mounting surface apertures are provided through the mounting surface, each connector component aperture coaxial with a corresponding mounting surface aperture to permit extending a fastener through the mounting surface aperture and into the existing structure. 29. A method according to claim 28 wherein the mounting surface apertures have cross-sectional areas less than those of the connector component apertures. 30. A method according to claim 23 wherein each of the standoffs comprises one or more standoff connector components at or near an outer edge thereof for engaging one or more corresponding ones of the panel connector components and wherein coupling the one or more panels to the one or more standoffs comprises coupling the one or more standoff connector components to the one or more corresponding ones of the panel connector components. 31. A method according to claim 30 wherein the standoffs comprise one or more edge-connecting standoffs and coupling the one or more standoff connector components to the one or more corresponding ones of the panel connector components comprises coupling each edge connecting standoff to one panel connector component on a first edge of a first panel and one panel connector component on a second edge of a second panel such that the first and second panels are connected, via the edge-connecting standoff, in edge-adjacent relationship. 32. A method according to claim 23 wherein the standoff connector components are T-shaped. 33. A method according to claim 23 comprising providing the interior wall with a plurality of interior wall apertures therethrough, the interior wall apertures spaced apart from one another in the longitudinal direction along the interior wall; providing the intermediate wall with a plurality of intermediate wall apertures therethrough, the intermediate wall apertures spaced apart from one another in the longitudinal direction along the intermediate wall; locating centers of the interior wall apertures at locations coaxial with centers of the intermediate wall apertures; and extending fasteners through coaxial intermediate wall apertures and interior wall apertures and into the existing structure to mount the one or more standoff retainers to the existing structure. 34. A method according to claim 33 comprising providing the interior wall apertures with cross-sectional areas less than those of the intermediate wall apertures. 35. A method according to claim 23 comprising providing the cladding panels with curved transverse extensions. 36. A method according to claim 23 wherein the existing structure is has a curved surface and coupling one or more cladding panels to the one or more standoffs comprises deforming the one or more cladding panels. 37. A method according to claim 23 wherein distal ends of the one or more standoff retainers comprise standoff retainer connector components that hook inwardly toward the existing structure. 38. A method according to claim 37 wherein the standoff retainer connector components are J-shaped. 39. A method according to claim 38 wherein each of the standoffs comprises one or more standoff connector components, the standoff connector components are T-shaped and are slidably received between the standoff retainer connector components.
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