WO2023283180A1 - Construction de structures monolithiques à formes d'air - Google Patents

Construction de structures monolithiques à formes d'air Download PDF

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Publication number
WO2023283180A1
WO2023283180A1 PCT/US2022/036100 US2022036100W WO2023283180A1 WO 2023283180 A1 WO2023283180 A1 WO 2023283180A1 US 2022036100 W US2022036100 W US 2022036100W WO 2023283180 A1 WO2023283180 A1 WO 2023283180A1
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WO
WIPO (PCT)
Prior art keywords
rigid
forms
wall
air
recited
Prior art date
Application number
PCT/US2022/036100
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English (en)
Inventor
Aaron RESNICK
Jason MACKIE
Original Assignee
Resnick Aaron
Mackie Jason
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Resnick Aaron, Mackie Jason filed Critical Resnick Aaron
Priority to US18/576,594 priority Critical patent/US20240309660A1/en
Publication of WO2023283180A1 publication Critical patent/WO2023283180A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/32—Arched structures; Vaulted structures; Folded structures
    • E04B1/3211—Structures with a vertical rotation axis or the like, e.g. semi-spherical structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/04—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section; Inflatable forms
    • E04G11/045—Inflatable forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
    • E04B1/166—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with curved surfaces, at least partially cast in situ in order to make a continuous concrete shell structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/062—Forms for curved walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms

Definitions

  • the present invention provides a method and structure for quickly erecting, cost effective, and easily replicable structures. Particularly, this invention relates to the erecting of monolithic structures via the use of pressure supported air forms and rigid forms.
  • U.S. Patent No. 5,918,438A teaches a monolithic dome constructed by creating an inflatable air form to comprise the outer surface of a building being constructed. Once inflated, workers enter the inflated structure and spray insulation (usually polyurethane) onto the interior surface of the air form. After insulation has been applied, the workers then reinforce the inner structure with rebar and apply a layer of spray-on concrete. Once the concrete has cured, the resultant structure is largely complete and exhibits excellent longevity and thermal retention characteri sites.
  • Monolithic structures such as the one disclosed in U.S. Patent No. 5,918,438A, present a potential solution to the insulation problems, since monolithic structures are completely constructed from one piece.
  • MDI Monolithic Dome Institute
  • U.S. Patent No. 5,918,438A estimates the cost of using their construction methods, disclosed in U.S. Patent No. 5,918,438A, at "about $130 per square foot of floor area, " or roughly comparable per-square- foot to traditional construction techniques.
  • MDI has also developed an alternate building technique which seeks to address the relatively high cost of constructing one of their monolithic domes.
  • the technique to construct an "Eco-Shell" is similar to that of the monolithic dome in that it uses an air form, but, unlike the monolithic dome, the air form is reusable.
  • the first step is to pour a foundation.
  • the air form is then affixed to the foundation and inflated. Once inflated, workers affix rebar outside of the air form and then proceed to apply a layer of shotcrete. Once the shotcrete is cured, the air form is then deflated and removed, leaving behind a free standing structure. The air form may then be re-used.
  • the Eco-Shell is cost effective to produce because one air form may be re used. This is particularly effective for large projects, as the cost of the air form itself can be defrayed by the construction of many buildings.
  • MDI through their non profit, Domes For The World, has successfully constructed large villages of Eco-Shells in various equatorial locations. MDI claims they are able to construct an Eco-Shell for as little as $1,500.00 in material costs.
  • the Eco-Shell can be erected quite quickly with minimal expertise and is disaster resistant.
  • the Eco-Shells are constructed with only a thin layer of structural concrete and do not meet the challenge of having a high insulation value. Eco-Shells are therefore an effective solution for low-cost housing, but only in tropical or sub -tropical climates where good insulation is not needed.
  • DomeGaia utilizes a technique that differs from those discussed above in that the structure is not monolithic.
  • Foamed concrete has successfully been employed by DomeGaia as the primary load bearing construction material in completed buildings.
  • foamed concrete is made by mixing cement with foamed soap, which is then poured into moulds. Once cured, the concrete blocks are removed from the forms and individually shaped with hand tools before being stacked into a domical structure. For the purposes of description, this process of stacking blocks is readily comparable to that of building an igloo. Once the blocks are in place, the structure is sealed with a layer of plaster.
  • DomeGaia technique produces a structure that meets some of the challenges discussed above, such as a higher insulation value.
  • this structure does not meet the constraints of being quickly erectable and is not easily erected without the labor of skilled masons.
  • the protracted length of construction, along with the requirement for skilled labor inflates the costs associated with construction. While this technique may be more cost effective per ft 2 than traditional building, it is not optimal.
  • the fact that DomeGaia domes are not monolithic leaves the potential for some thermal bridging between the blocks which comprise the final structure.
  • the present invention provides a method for building a monolithic structure, the method including compacting and preparing a foundation on a site where the monolithic structure will reside, erecting an inner vertical structural wall on the foundation, securing the inner vertical structural wall to the foundation, connecting an inner air form to a top of the inner vertical structural wall, inflating the inner air form creating an inner mold, erecting an outer vertical structural wall around the inner vertical structural wall, wherein the distance between the inner vertical structural wall and the outer vertical structural wall is a desired thickness of the monolithic structure, securing the outer vertical structural wall to the foundation, connecting an outer air form to a top of the outer vertical structural wall, pouring a moldable mixture in a space between the inner mold and the outer mold, removing air pressure once the moldable mixture is solidified, curing the moldable mixture, detaching the outer air form from the outer vertical structural wall, and removing the outer air form and the outer vertical structural wall from the cured moldable mixture, and detaching the inner air form from the inner
  • the present invention also provides a system for constructing a monolithic structure with a moldable mixture including one or more rigid forms connected to form an inner rigid wall, an inner inflatable air form, wherein the inner inflatable air form extends from the inner rigid wall, one or more rigid forms connected together to form an outer rigid wall, and an outer inflatable air form, wherein the outer inflatable wall extends from the outer rigid wall.
  • FIG. 1 shows an exemplary embodiment of a monolithic structure of the present invention
  • Fig. 2 shows an exemplary embodiment of an inner and outer form with a dome top
  • FIG. 3 shows an exemplary embodiment of the inner and outer forms attached to a circular stem wall
  • Fig. 4 shows the inner and outer forms attached to the ground, on top of a trench rubble foundation;
  • Fig. 5 shows an exemplary embodiment of inner and outer air forms attached to inner and outer rigid forms;
  • Figs. 6a shows an exemplary embodiment of an inner and an outer air form as a dome top
  • FIG. 6b shows an exemplary embodiment of a connector attachment used to connect air forms and rigid forms
  • Fig. 7 shows an exemplary embodiment of inner and outer air forms as a dome top and inner and outer base rigid forms
  • Fig. 8 shows an exemplary embodiment of the inner and outer forms used to create a monolithic structure
  • Fig. 9 shows an exemplary embodiment of a rope bead attachment
  • Figs. 10a and 10b show an exterior air form as a dome shell and interior air form as a dome shell, respectively.
  • the present invention provides a novel technique which utilizes pressure supported air forms as a mould for curable mixtures (among them foam cement, cellular concrete, plastics, or other substances). Once the mixture has cured and become rigid the air forms may be removed, leaving a monolithic structure which can then be used for various purposes.
  • Rigid forms, reinforcement walls may also be used in lieu of the straight and/or vertical portions of the air forms on the inside and outside of the structure to assist the air form fabrics/textiles in maintaining the appropriate shape under the considerable hydraulic forces.
  • These rigid forms may be constructed with plywood, aluminum, steel sheets or other appropriate equipment and may be held in place with additional steel rings, ropes, or cables, for example.
  • the air forms attach to the top of the rigid forms.
  • the bottom of the rigid forms sit on a foundation at the site.
  • Foam is mixed with the concrete or cement from a ready -mix truck to create the foamed cement (the cement and foam can also be mixed by hand, or with portable cement mixers).
  • Foamed cement has a number of advantageous properties including compressive strength and density (approximately 100 PSI at a density of 30 pounds per ft 3 ) sufficient to be viable as a structural, load bearing building material in low rise construction. Further, foamed concrete has a significantly higher R value (up to approx. 2.5 per inch) than that of structural concrete. These properties make it an ideal candidate as a moldable mixture.
  • the present invention provides a novel concept of utilizing pressure supported air forms and rigid forms to create a mould to shape curable mixtures into monolithic structures.
  • the method utilizes two "air forms" (which may be two membranes built from PVC coated nylon or other suitable fabric/textile).
  • One or more rigid forms are connected to one another to create a vertical structural reinforcement wall and secured to a foundation or site base.
  • the rigid forms may be connected using any connection form, including bolts or combined with levers, for example.
  • the rigid forms are used in addition to the air forms to create the base shape of the structure.
  • the air forms attach to the top of the rigid forms.
  • the air forms may also extend and attach down inside the rigid walls or outside the rigid walls.
  • the air forms are airtight.
  • the air forms may be made of a single piece of fabric/textile or multiple pieces combined together that can withstand hydraulic pressure and/or air pressure.
  • the rigid forms are secured to a foundation and the air forms are inflated to the point of being near rigid.
  • the inner and outer air forms and rigid forms are of the same or similar shapes but are of different sizes.
  • the inner air form and inner rigid form attach together, and the outer air form and outer rigid form connect together. Pressure is applied to the inner forms and may also be applied to the outer forms but it is not necessary.
  • the inner form will be more highly pressurized.
  • the pressure differential results in two freely standing air supported membranous structures with a "gap" in between. That space can then be filled with a moldable material which, upon curing, leaving a rigid, self-supporting, monolithic structure.
  • Figure 1 is an exemplary embodiment of a monolithic structure of the present invention 100.
  • the structure is a cylinder with a dome top 130; however, other shapes may be constructed.
  • Structure 100 includes inner surface 110, and outer surface 120 and dome top 130.
  • Doorway 140 may be cast into a portion of the forms when building the structure. Windows and skylights may also be added in a similar fashion. Electrical lines and plumbing may also be cast into the relevant portions of the forms and built directly in the structure.
  • Figure 2 shows inner form 210 and outer form 220 of monolithic structure 200 constructed on a pad 240 which is structural concrete with rebar.
  • the inner and outer forms may include both air forms and rigid forms connected to one another.
  • Fiber rebar hoops, or other forms of reinforcement may be embedded in the walls where the dome top meets the cylinder created by inner 210 and outer 220 forms. (The fiber rebar hoops, or other forms or reinforcement, may be cast directly into the structure).
  • Air pressure may be added through the concrete pad or through other means using a large inflator fan or compressor, for example.
  • Touter is the inner radius of the outer form
  • Tinner is the outer radius of the inner form
  • x is the thickness in units of length of the resultant wall.
  • x can be varied based on the size of the forms to produce a structure with sufficient strength and insulation value so as to be appropriate for the given conditions.
  • Figures 3 & 4 show the forms erected and ready for pouring atop a circular stem wall 350 and a trench and rubble foundation 450 respectively.
  • Inner form 310, 410 and outer form 320, 420 are attached to a foundation 350, 450.
  • Fig. 5 shows rigid forms, vertical reinforcement walls 520, used in building the monolithic structure of the present invention. Using rigid forms 520 helps to build the structure wider, taller, and with different shapes and materials.
  • Figs. 6a and 6b show inner air form 605 and outer air form 615 as a dome top 600. Other shapes may be used.
  • the area created in the space between the inner and outer air forms will be filled with moldable material, a modable material that can hold a load and provide insulative properties, such as foam concrete or expanded polystyrene infused concrete to form the final structure.
  • Dome outer air form 615 connects with outer cylindrical rigid form (520 in Fig. 5) using outer retainer 630 having a bolt and nut 640 for example.
  • Fig. 7 shows an exemplary embodiment of a portion of the forms of the present invention.
  • Inner rigid form 710 and outer rigid form 720 are used to form the base of the structure, such as a cylinder as shown.
  • Inner air form shell 705, a dome top is shown, and outer air form shell 715 are used for the top portion of the structure.
  • the inner and outer rigid forms and air forms of the base (cylinder shown) and top (dome shown) portions are attached together using retainer connectors 630.
  • the air forms are attached to the top of the rigid forms (cylinder for example). (The air forms may also be attached inside or outside of the rigid walls as well).
  • Retainer connectors 630 attach directly to the rigid forms via bolts, for example, and squeeze the air forms to make a seal with the rigid forms.
  • Fig. 8 shows inner air form 805 and outer air form 815 and the inner and outer rigid form vertical framework 810, 820 on pad 850.
  • the area created between connected inner air form 805 and inner rigid form 810 and the connected outer air form 815 and outer rigid form 820 will be filled with a curable material, for example foam concrete.
  • the top shells/air forms may be made of fabric, for example.
  • Fig. 9 is an exemplary embodiment of a rope bead attachment.
  • a rope edge attachment may be used for both the inner and outer rigid forms vertical framework.
  • Rope edge attachment 900 includes rope 935, bottom rope edge 945, architectural fabric 940, and standard o-ring patches.
  • Architectural fabric 940 for example PVC coated nylon, connects air forms (dome shells) to rigid forms (vertical framework).
  • Architectural fabric 940 may have a 3 inch wide fabric weld, for example.
  • Rope bead edge attachment 900 may be incorporated in the exterior and/or the interior air forms.
  • Rope bead attachment 900 sits on the inner and/or outer rigid forms, vertical side walls.
  • Rope 935 may be made of polypropylene, for example.
  • Rope 935 may be 1 ⁇ 4 in, or 3 ⁇ 4 inch thick, for example, or another thickness.
  • Rope edge attachment 900 extends below the bottom of the interior and/or exterior air forms.
  • Support discs may also be used on the outer air form in order to keep the outer air form from stretching under the load of wet cellular concrete, for example.
  • the support discs may include ropes that circumferentially wrap around the outer air form.
  • Figs. 10a and 10b show an outer top shell air form 1000 and inner top shell air form 1100, respectively.
  • the figures show air forms for a dome made of fabric.
  • Outer air form shell 1000 is the exterior shell and has fabric panels and a crown 1005 at top.
  • Outer air form 1000 may include reinforcement patches 1010 depending on the characteristics of the fabric/ textile used. The reinforcement patches are for concrete port openings and may be cut in the field.
  • Exterior shell 1000 may also include lifting patches such as D-rings.
  • the shell also includes rope edge pockets 1030 spaced throughout the shell fabric to keep support discs from riding up the side of the outer air form as the outer air form tries to stretch out under the load. The spacing of the rope edge pockets may be every 6 inches to 1 foot, for example.
  • Rope edge attachments 1035 extends below the bottom of the air forms. It may extend 3 inches for example.
  • Rope edge 1135 extends below the bottom of inner air form 1100. It may extend 3 inches for example.
  • the air forms may be made from P VC-coated nylon or other architectural grade fabric.
  • the rigid forms may be made be made of a rigid material, such as wood, aluminum, or steel.
  • the rigid forms and air forms may be used together to build a dome-on-cylinder shape, or a plurality of other shapes such as rectangular or square prisms, triangular prisms, pyramids, cones, domes, cylinders, or elliptic cylinders. Two or more shapes may also be combined, such as a rectangular square prism and a triangular prism to produce a more "traditionally" shaped structure.
  • a concrete entry point and air hose connection may be cut into the 3 -inch reinforcement patch in the crown of the exterior shell or any other location in the exterior air form.
  • the concrete entry point may also be on the rigid forms or through the concrete pad/foundation.
  • a tedlar coating may be on the inside surface of the outer air form and the exterior surface of the inner shell air form.
  • the primary limitation on the structure's final height is a function of hydraulic pressure produced by the liquids being introduced into the system. Once the tensile strength of the air form fabrics (textile) is exceeded, they may tear open and release the mixture prior to full curing. Incorporating a series of "tourniquets" into the system can address this problem.
  • the tourniquet effect may be achieved using ratchet straps or some other method to constrict the outer air form on the outside. On the inside the effect may be achieved via an introduction of sewn in, circumferential air pockets which can be pressurized, like a blood pressure cuff. (This method will also work on the outside).
  • the structure With a tourniquet system in place, the structure may be poured in "flights.” After a certain height has been reached, pouring is suspended until the mixture has cured enough to engage the tourniquets, and the next flight is then poured on top. Using this approach, the height of the structure is only bounded by the compression strength of the cured material.
  • the invention proposed herein seeks to combine the advantages of the various structures via an innovative new process of "air molding.”
  • the air mould of the present invention may be deployed and utilized as follows:
  • Step 1 The site is compacted and prepared using any of a variety of foundation techniques. Depending on the local circumstances the foundation may be a poured concrete slab, a trench rubble foundation, a stem wall, or other appropriate techniques, for example.
  • Step 2 Inner form 210 (figure 2) is erected and centered on a site, inflated and appropriately affixed to a foundation 240.
  • the rigi d form may be affixed to the foundation using concrete screws which pass through a plate welded to of one or more rigid forms into the foundation, such as a concrete pad.
  • the welded plates may be located on the bottom of the rigid forms and may be made of aluminum, for example.
  • rigid forms may be a web of rebar, basalt rebar or reinforcing mesh, or other appropriate vertical reinforcement forms, for example.
  • Step 3 Outer form 220 (figure 2) is then appropriately erected and affixed to foundation 240, completing the air mould (200 in figure 2).
  • Step 4 Foamed cement (or other moldable mixture) is mixed and introduced into the mould via a hole in the exterior surface of the mould 200.
  • the hole may be located in the peak, side or bottom of the outer air form, in a portion of the exterior rigid form or through the foundation, for example,
  • Air pressure may be removed once the moldable mixture has solidified and the structure can stand on its own. Pressure can be easily removed by disconnecting the air hose.
  • Various fibers such as basalt fiber, acrylic fiber, fiberglass fibers, or hemp fibers, may be added to the moldable mixture to increase tensile strength.
  • the foamed cement is subsequently allowed to cure.
  • Other moldable mixtures may also be used or added to the foam cement, such as different concrete/ cement formulations, for example, hempcrete or other formulations infused with fiberglass or polymers, epoxies, plastics, or curable liquid insulators.
  • Step 5 Once the cement is cured, the air forms and rigid forms may be removed from the site.
  • the outer air form may be detached from the outer rigid form and removed from the structure.
  • the outer rigid form reinforcement walls are then disassembled.
  • a hole may be cut in the exterior of the structure or a doorway may already have been cast in the structure.
  • the inner air form is detached from the interior rigid form reinforcement wall and removed from the inside.
  • the inner rigid forms reinforcement wall is then disassembled and removed from the interior of the structure.
  • the air forms and rigid forms can be reused for another structure. This leaves a single, monolithic structure.
  • the inner and outer forms, both air forms and rigid forms, may then be used to construct another structure.
  • Step 6 When using foamed cement, the resultant structure can be worked with hand tools. Doors, windows, and utility connections may be cast into the structure after the moldable mixture is cured, however, additional holes may be cut out easily and without a requirement for a high level of expertise.
  • Step 7 The structure may then be dried in by installing windows and doors and sealed appropriately for local conditions. Depending on conditions, the structure could be sealed with any of a variety of products such as paints, resins, epoxies, cement formulations, plasters, or clays, for example.
  • the structure produced by this process is monolithic and thus avoids thermal bridging or gaps.
  • the walls can be made as thick as necessary to provide the insulation required for local conditions. This process requires very little expertise and can be completed in a matter of days.
  • the monolithic nature of the structure gives it inherent longevity.
  • the structure is extremely cost effective to produce. In the case of foamed cement, for example, the volume of the cement expands by as much as a factor of 5, and the relatively high R-value of foamed concrete (2.5 per inch) eliminates the need for other insulating materials.
  • This structure requires only approximately 7% the amount of concrete that would be required to make a structure with a similar square footage and R-value built with non-porous, structural concrete. These factors combine to produce a structure with a cost per ft 2 an order of magnitude cheaper than traditional building techniques.
  • the resulting structure of the present invention is well insulated, long lasting and can be built quickly and cheaply.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

Procédé et système de construction d'une structure monolithique présentant un mélange moulable comprenant une ou plusieurs formes rigides reliées pour former une paroi rigide interne, une forme d'air gonflable interne, la forme d'air gonflable interne s'étendant à partir de la paroi rigide interne, une ou plusieurs formes rigides reliées entre elles pour former une paroi rigide externe, et une forme d'air gonflable externe, la paroi gonflable externe s'étendant à partir de la paroi rigide externe.
PCT/US2022/036100 2021-07-05 2022-07-05 Construction de structures monolithiques à formes d'air WO2023283180A1 (fr)

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Application Number Priority Date Filing Date Title
US18/576,594 US20240309660A1 (en) 2021-07-05 2022-07-05 Construction of monolithic structures with air forms

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US202163218436P 2021-07-05 2021-07-05
US63/218,436 2021-07-05

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490729A (en) * 1967-04-07 1970-01-20 Dillin & Luce Form assembly for molding monolithic concrete building
US4170093A (en) * 1976-10-07 1979-10-09 Binishells New Systems Limited Method and apparatus for erecting substantially dome-like building structures
US6840013B2 (en) * 2002-09-11 2005-01-11 Dome Technology, Inc. Building with foam cored ribs and method
US20050210767A1 (en) * 2004-02-21 2005-09-29 Defever Michael D Trilithic and/or twin shell dome type structures and method of making same
KR20060107599A (ko) * 2005-04-11 2006-10-16 권대용 벽체용패널 수평조절장치 및 이를 이용한 벽체용패널의수평조절방법
US9493939B2 (en) * 2014-07-25 2016-11-15 South Industries, Inc. Airform for facilitating construction of a structure
WO2019222790A1 (fr) * 2018-05-21 2019-11-28 Water Based Sealers Pty Ltd Système d'étanchéité de surface en béton
WO2020172654A1 (fr) * 2019-02-24 2020-08-27 Funnel Industries, Llc Structures auto-construites

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490729A (en) * 1967-04-07 1970-01-20 Dillin & Luce Form assembly for molding monolithic concrete building
US4170093A (en) * 1976-10-07 1979-10-09 Binishells New Systems Limited Method and apparatus for erecting substantially dome-like building structures
US6840013B2 (en) * 2002-09-11 2005-01-11 Dome Technology, Inc. Building with foam cored ribs and method
US20050210767A1 (en) * 2004-02-21 2005-09-29 Defever Michael D Trilithic and/or twin shell dome type structures and method of making same
KR20060107599A (ko) * 2005-04-11 2006-10-16 권대용 벽체용패널 수평조절장치 및 이를 이용한 벽체용패널의수평조절방법
US9493939B2 (en) * 2014-07-25 2016-11-15 South Industries, Inc. Airform for facilitating construction of a structure
WO2019222790A1 (fr) * 2018-05-21 2019-11-28 Water Based Sealers Pty Ltd Système d'étanchéité de surface en béton
WO2020172654A1 (fr) * 2019-02-24 2020-08-27 Funnel Industries, Llc Structures auto-construites

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