Described is an assembly for erecting a reinforced structure of a hardening building material using a pneumoform. The assembly includes an anchor bar having a first portion secured to a foundation and a second portion; a clamp bar configured to be aligned with the second portion of the anchor bar; a
Described is an assembly for erecting a reinforced structure of a hardening building material using a pneumoform. The assembly includes an anchor bar having a first portion secured to a foundation and a second portion; a clamp bar configured to be aligned with the second portion of the anchor bar; a fixation element configured to extend through the clamp bar and the second portion of the anchor bar; and a pneumoform having an outer perimeter incorporating a keder. The outer perimeter of the pneumoform is positionable within a space between the second portion of the anchor bar and the clamp bar such that upon locking the clamp bar to the anchor bar with the fixation element the keder is captured by the clamp bar creating a first seal and forming a fluid-tight internal volume configured to be inflated. Related assemblies and methods are described.
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1. An assembly for erecting a reinforced structure of a hardening building material using a pneumoform, the assembly comprising: an anchor bar having a first portion secured to a foundation and a second portion;a clamp bar configured to be aligned with the second portion of the anchor bar;a fixation
1. An assembly for erecting a reinforced structure of a hardening building material using a pneumoform, the assembly comprising: an anchor bar having a first portion secured to a foundation and a second portion;a clamp bar configured to be aligned with the second portion of the anchor bar;a fixation element configured to extend through the clamp bar and the second portion of the anchor bar;a pneumoform that is radially asymmetrical in shape and having an outer perimeter incorporating a keder,wherein the outer perimeter of the pneumoform is positionable within a space between the second portion of the anchor bar and the clamp bar such that upon locking the clamp bar to the anchor bar with the fixation element the keder is captured by the clamp bar creating a first seal and forming a fluid-tight internal volume configured to be inflated, andwherein a portion of an external surface of the pneumoform is urged against the keder upon application of pressure against an internal surface of the pneumoform creating a second seal and forming a pocket around at least a portion of the fixation element; anda matrix of rigid reinforcement bar positioned over the external surface of the inflated, radially aysmmetrical pneumoform providing reinforcement of a hardening building material applied to the external surface of the pneumoform. 2. The assembly of claim 1, wherein the second seal prevents the hardening building material applied to the pneumoform from entering the pocket and contacting the at least a portion of the fixation element. 3. The assembly of claim 2, wherein removal of the pressure deflates the internal volume and reveals the at least a portion of the fixation element. 4. The assembly of claim 3, wherein the at least a portion of the fixation element is removable and the pneumoform is removable from the assembly. 5. The assembly of claim 4, wherein the pneumoform is reusable after it is removed. 6. The assembly of claim 1, wherein the pneumoform has a single wall or a double wall configured to be inflated internally. 7. The assembly of claim 1, wherein the anchor bar has a first hole extending through the second portion and wherein the clamp bar has a second hole extending through the clamp bar. 8. The assembly of claim 7, wherein the fixation element extends through a bore created when the first and second holes align. 9. The assembly of claim 8, where the fixation element extends through a portion of the outer perimeter of the pneumoform positioned within the space when it extends through the bore. 10. The assembly of claim 9, wherein the fixation element is a bolt having a shaft and a head, wherein the shaft extends through the bore from an internal side of the pneumoform to an external side of the pneumoform such that the head of the bolt remains on the internal side of the pneumoform. 11. The assembly of claim 10, wherein the shaft of the bolt is secured with a lock nut or lock washer on the external side of the pneumoform locking the clamp bar to the anchor bar. 12. The assembly of claim 11, wherein the first seal forms collectively between the keder, the anchor bar and the clamp bar locked to the anchor bar. 13. The assembly of claim 12, wherein inflating the pneumoform increases internal air pressure within the fluid-tight volume. 14. The assembly of claim 13, wherein the second seal forms automatically upon inflating the fluid-tight internal volume. 15. The assembly of claim 13, wherein inflating the internal volume comprises injecting air using a blower, compressor or compressed air tank. 16. The assembly of claim 13, wherein the second seal forms a pocket around the clamp bar and the head of the bolt. 17. The assembly of claim 16, wherein the head of the bolt is positioned within the pocket between the clamp bar and the pneumoform. 18. The assembly of claim 13, wherein the first and second seals are each configured to maintain a seal during applying of the hardening building material to the external surface of inflated pneumoform over the matrix of reinforcement bars. 19. The assembly of claim 18, wherein the second seal prevents the hardening building material applied to the pneumoform from entering the pocket and contacting the head of the bolt. 20. The assembly of claim 19, wherein applying the hardening building material comprises pouring or spraying the hardening building material. 21. The assembly of claim 20, wherein the head of the bolt is revealed upon deflating the pneumoform, and wherein the bolt is configured to be accessed and removed from the bore after deflating the pneumoform. 22. The assembly of claim 21, wherein the pneumoform is configured to be recovered by disengaging the outer perimeter from within the space between the anchor bar and the clamp bar, and wherein the disengaged pneumoform is reusable to fabricate a second reinforced structure of hardening building material. 23. The assembly of claim 1, wherein the pneumoform is formed of a reinforced material that locks into position once a certain shape is achieved or an elastomeric material. 24. The assembly of claim 1, wherein the matrix of reinforcement bars is threaded through a plurality of spacers connecting the matrix of reinforcement bars, wherein each spacer is sized to provide measuring guidance for wall thickness of the hardening building material applied to the external surface of the pneumoform. 25. An assembly for erecting a reinforced structure of a hardening building material using a pneumoform, the assembly comprising: a pneumoform that is radially asymmetrical in shape and formed of a reinforced material that locks into position once inflated under application of a constant air pressure, the pneumoform having an outer perimeter incorporating a keder;an anchor bar having a first portion secured to a foundation and a second portion, wherein the anchor bar has a first hole extending through the second portion;a clamp bar configured to be aligned with the second portion of the anchor bar, wherein the clamp bar has a second hole extending through the clamp bar; anda fixation element extending through a bore created when the first hole and the second hole align, through a portion of the outer perimeter of the pneumoform, and through the clamp bar and the second portion of the anchor bar,wherein the outer perimeter of the pneumoform is positionable within a space between the second portion of the anchor bar and the clamp bar such that upon locking the clamp bar to the anchor bar with the fixation element the keder is captured by the clamp bar creating a first seal and forming a fluid-tight internal volume configured to be inflated, and wherein a portion of an external surface of the pneumoform is urged against the keder upon application of pressure against an internal surface of the pneumoform creating a second seal and forming a pocket around at least a portion of the fixation element; anda matrix of rigid reinforcement bars threaded through a plurality of spacers connecting the matrix of rigid reinforcement bars, wherein the matrix is positioned over the external surface of the locked inflated pneumoform and each spacer is sized to provide measuring guidance for wall thickness of hardening building material applied to the external surface of the pneumoform.
Dykmans Max J. (1214 Pioneer Way El Cajon CA 92022-0696), Apparatus for constructing circumerentially wrapped prestressed structures utilizing a membrane and having seismic coupl.
Dykmans Maximiliaan J. (P.O. Box 966 El Cajon CA 92022), Method and apparatus for constructing prestressed structures utilizing a membrane and floating dome assembly.
Harrington Horrall (613 Berlin Rd. Pittsburgh PA 15221) Vittore Phillip J. (1306 W. Noyes Arlington Heights IL 60005), Method and apparatus utilizing inflatable membrane form for construction of concrete shell building.
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