WO2010006164A2 - Procédé de construction d'immeuble en béton et système pour construction d'immeuble en béton - Google Patents

Procédé de construction d'immeuble en béton et système pour construction d'immeuble en béton Download PDF

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Publication number
WO2010006164A2
WO2010006164A2 PCT/US2009/050096 US2009050096W WO2010006164A2 WO 2010006164 A2 WO2010006164 A2 WO 2010006164A2 US 2009050096 W US2009050096 W US 2009050096W WO 2010006164 A2 WO2010006164 A2 WO 2010006164A2
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WO
WIPO (PCT)
Prior art keywords
support
constructing
concrete
adjustable brace
concrete structure
Prior art date
Application number
PCT/US2009/050096
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English (en)
Other versions
WO2010006164A3 (fr
Inventor
Lionel E. Dayton
Ron Alexander
Original Assignee
Nucor Corporation
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 Nucor Corporation filed Critical Nucor Corporation
Publication of WO2010006164A2 publication Critical patent/WO2010006164A2/fr
Publication of WO2010006164A3 publication Critical patent/WO2010006164A3/fr

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Classifications

    • 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
    • E04G11/02—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for rooms as a whole by which walls and floors are cast simultaneously, whole storeys, or whole buildings
    • 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
    • E04B1/161—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 vertical and horizontal slabs, both being partially cast in situ
    • 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
    • E04G17/002—Workplatforms, railings; Arrangements for pouring concrete, attached to the form

Definitions

  • Concrete forms for a concrete structure are well known in the construction industry. Such forms are often referred to as Insulating Concrete Forms (or "ICFs"), and hold the shape of the concrete while it cures.
  • ICFs Insulating Concrete Forms
  • opposing panels of Styrofoam® (Dow Chemical Co.), or other insulating foam panels are interconnected by braces that maintain proper spacing between the panels and maintain the desired form for the concrete structure while the concrete is placed and cured.
  • the braces of opposing panels may also provide support for positioning rebar or other reinforcing materials between the panels while the concrete is being placed and is hardening.
  • foam panels with bracing are typically used, the panels could not independently support construction on a floor above while the concrete wall is being placed and cured.
  • a series of vertical wall braces are typically placed on one or both sides of the concrete forms, secured to a base, and attached to the concrete forms to provide lateral support to the concrete forms during and/or after the concrete is placed.
  • Diagonal braces also may be attached to an upper portion of the vertical wall braces to provide additional lateral support.
  • Brackets or other similar structures may also be attached to the vertical braces near the top of the concrete forms to provide workers with access during assembly of the upper portions of the concrete forms and pouring of the concrete.
  • the construction of buildings may use concrete forms including one system that may be used to temporarily carry a structural load of a building during construction, while the concrete cures, such that construction is not limited by the cure time of concrete components.
  • Such a system may provide a significant savings in time and cost in constructing a building structure using concrete forms, and an assembled floor above the walls.
  • Prior systems required concrete to be placed in a concrete form wall system and allowed to cure upon a first day, followed by assembly of trusses and subfloor decking for the floor above on a subsequent day, and placing of a concrete floor on the following day(s).
  • one method of constructing a concrete structure provided herein may allow the concrete formed walls and floor assembly above the walls to be erected and concrete wall and floor above to be placed on the same day as desired.
  • a method of constructing a building structure is disclosed which allows construction of a floor or other construction above the wall to proceed while concrete walls are placed and cured.
  • the method includes assembly of a plurality of adjustable braces attached to concrete forms capable of providing structural support for construction above and for an uncured concrete wall in the forms, where each adjustable brace has an elongated first support and an elongated second support dimensioned to enable the first support to slidably engage the second support.
  • the first and second supports may be dimensioned to allow one to be telescoped into at least a portion of the other along their longitudinal length.
  • a plurality of apertures are spaced along both first and second supports to allow the apertures in the first and second supports to align as the first and second support slide relative to each other.
  • the apertures are adapted to accept one or more fasteners to secure the first support and the second support together to form the brace of an adjustable length capable of providing structural support along the length of the brace.
  • a cap is provided adjacent an end portion of the first support and is adapted to provide support for trusses for a floor above the concrete forms.
  • the adjustable braces assembled with the wall forms are thus able to temporarily provide structural support to enable construction of a floor above to proceed, as well as provide support for placed concrete walls while the concrete cured to become structural bearing components for the building.
  • the adjustable braces vertically span the concrete forms to provide structural support for the construction of the floor above, usually from the foundation or floor below the concrete forms.
  • the cap may comprise an upper portion adapted to support the upper chord of a steel truss and a nesting portion capable of allowing an end web portion of the steel truss to be positioned.
  • the upper portion of the cap may have upper support surfaces spaced to support the upper chord of a steel truss and provide for a passage there between of the web of the truss.
  • the cap may also comprise a lower portion dimensioned to engage the first support such as to be received by an end portion of the first support or to receive the end portion of the first support.
  • a method may also include placing the adjustable brace adj acent concrete forms and then positioning metal trusses on the caps.
  • a method may also include assembling a steel cover, typically of L-shaped metal pieces, over the top and upper edges of the concrete forms. Workers then may fasten sub floor decking to the assembled trusses. The presence of a passage in the cap may permit an upper chord to rest on the cap while a web portion of the truss is positioned in a nesting portion from the top chord to a bottom chord of the trusses.
  • a method may also comprise placing concrete above the concrete form over the subfioor decking, with the adjustable braces attached to the concrete forms independently supporting the trusses, subfioor decking and the concrete floor.
  • the adjustable brace system may provide a temporary support structure bearing the load of the truss, decking and concrete above the decking as well as lateral support for the ICF, while the concrete in the wall system cures.
  • the adjustable brace system may be removed once the concrete has sufficiently hardened to independently bear the structural load of the building.
  • An adjustable brace system for insulating concrete forms comprising a first support, a second support, and a cap.
  • the first and second supports are dimensioned such that the first support slidably engages the second support, or vice versa.
  • the first support may telescope into a portion of the second support, and be capable of providing structural support along the longitudinal length of the adjustable brace.
  • a plurality of apertures is located in the first and second supports to enable the apertures in the first support to align with apertures in the second support and allow adjustment of the length of the adjustable brace.
  • Fasteners such as support pins are inserted into the apertures to secure the first and second supports together and fix the adjustable length of the brace.
  • the first support and the second support may each comprise a web, a first flange attached to a first edge of the web, and a second flange attached to a second edge of the web, in a generally C-shape cross section.
  • the plurality of apertures may be located along the first and second flanges of the first and second supports.
  • the cap is adapted to be positioned adjacent the end portion of the first support and support a truss in position for a floor structure above.
  • the cap may provide at least one support surface adapted to support one or more chords of a steel truss, with a nesting portion to allow a web portion of a truss to pass through, so that the truss is supported in structural position to support subfioor decking.
  • the cap may comprise an upper portion to provide support for the chord of a truss, with a nesting portion through which a web of the truss may extend, to position the truss for construction of a floor above the concrete wall forms and wall structure.
  • the cap may additionally comprise a lower portion connected to an end portion of the first support of the adjustable brace and a stop, for example in the form of a plate, positioned between the upper portion of the cap and the lower portion of the cap.
  • the stop may have a length and width greater than the dimensions of the first or second support.
  • the stop may additionally contain a gap that communicates to provide for positioning of a truss positioned for construction of a floor structure above the concrete wall forms and wall structure.
  • the lower cap portion may additionally comprise one or more reinforcing members extending from a first flange of the lower cap portion to a second flange of the lower cap portion.
  • the first flange and the second flange of the lower cap portion may additionally comprise one or more apertures.
  • the first support may additionally comprise one or more apertures located in each flange in such a way as to allow apertures in the first support to align with apertures in the lower cap portion, and adapted to accept a pin, a bolt or another type of fastener to secure the first support and the lower cap portion together.
  • the lower portion of the cap may also comprise a web, a first flange attached to a first edge of the web, and a second flange attached to a second edge of the web, providing a bottom portion for the cap that is C-shaped in cross-section.
  • the lower cap portion is dimensioned to be insertable into or to otherwise engage the first support.
  • FIG. 1 is a side elevational view of a building structure with an adjustable brace system with concrete forms, truss such as steel joist and subfloor decking in place;
  • Fig. 2 is a cross-sectional, partial view of components of the concrete forms, spaced from the view shown in Fig. 1;
  • Fig. 3A is a side elevational view of an adjustable brace for constructing a concrete structure
  • Fig. 3B is a rear elevational view of a first elongated support of the adjustable brace system shown in Fig. 3A;
  • Fig. 3C is a top plan view of a C-shaped first support shown in Figs. 3 A and 3B;
  • FIG. 4A is side elevational view of a second elongated support of an adjustable brace system for constructing a concrete structure
  • Fig. 4B is a rear elevational view of the second elongated support shown in Fig. 4A;
  • Fig.4C is a top plan view of a C-shaped second elongated support shown in Figs. 4A and
  • Fig. 5 A is a front cross-sectional view of an anchor unit attached to an elongated second support
  • Fig. 5B is a side cross-sectional view of the anchor unit and the elongated second support shown in Fig. 5A;
  • Fig. 5C is a top cross sectional view of the anchor unit and the elongated second support shown in Figs. 5A and 5B;
  • Fig. 6A is a side cross-sectional view of a cap of an adjustable brace system
  • Fig. 6B is a front cross-sectional view of the cap shown in Fig. 6A inserted into an elongated first support of an adjustable brace system for constructing a concrete structure;
  • Fig. 6C is a cross sectional view along line A-A of the cap shown in Fig. 6B.
  • a method of constructing a concrete structure with adjustable brace system 10 is generally described with reference to Figs. 1-2.
  • a foundation or lower floor 13 for the building structure is first formed and a course of concrete forms 11 are placed on the foundation or lower floor 13.
  • the concrete forms may be insulating, and may be shimmed or trimmed as necessary. Additional courses of concrete forms 11 may be placed on the first course of concrete forms to a desired height for the concrete wall structure.
  • adjustable brace systems may be placed on the first course of concrete forms to a desired height for the concrete wall structure.
  • the adjustable brace system 10 comprising a first support 12 and a second support 14 are placed adjacent to concrete forms 11.
  • the adjustable brace system 10 may span the length of the assembled courses of the concrete forms
  • adjustable braces are attached to the concrete forms 11 through apertures 38 and 46 in the web of first and/or second supports 12, 14 as described more fully below. Where concrete forms 11 may have pre-placed ties for attachment of the wall brace, those ties may be utilized for this purpose.
  • the adjustable brace systems 10 may be positioned at any angle as desired, it may be installed to provide a vertical structural support for the floor above as described below.
  • a diagonal brace 80 may be secured to a first support 12 and extend diagonally to the lower, e.g. foundation, floor 13, forming an angle between diagonal brace 80 and the floor. In one example, the angle formed is about 60 degrees.
  • Diagonal brace 80 can be secured to first support 12 within a channel 15 of first support 12.
  • an attachment system such as that described in U.S. Pat. No. 6,247, 273, may be used to attach diagonal brace 80 to first support 12.
  • Diagonal brace 80 can also be used to provide additional lateral support so that the adjustable brace systems 10 are approximately plumb to achieve a vertical position if desired.
  • Additional brackets 82 may also be attached to adjustable brace of the system 10 for the construction of a platform or scaffold for workers so that the upper courses of concrete forms 11 may be easily accessed during assembly to the desired height and for pouring of the concrete between the forms 11 to form the concrete wall.
  • the adjustable brace systems 10 may be secured with a plurality of fasteners (not shown) to the courses of concrete forms 11 as the courses are placed in position, or secured after all the courses of concrete forms are assembled to the desired height.
  • the adjustable brace systems are secured after the first few courses of concrete forms 11 are placed in position and then secured to concrete forms as additional courses of the concrete forms are put into position and secured.
  • a cover may be placed over the top of the concrete forms 11.
  • the cover may be in the form of continuous L-shaped cold-formed steel 83 installed on top of the concrete forms 11 , protecting concrete forms 11 and the exterior of the concrete form during construction, as shown in Fig. 2.
  • Fig. 2 provides a partial cross section of the adjustable brace system 10 with first and second supports 12, 14, and L-shaped steel pieces 83 are fastened to the first supports 12 of the adjustable braces system 10. Additionally, Fig. 2 shows internal supports 19 for the concrete forms.
  • first and second supports 12, 14 of the adjustable brace system are generally C-shaped in cross section, surrounding channels 15, 17 respectively.
  • First and second supports 12, 14 are dimensioned to allow first support 12 to be slidably engaged with second support 14 so that the assembled adjustable brace system is capable of providing structural support for construction above and for an uncured concrete wall in the forms 11.
  • First support 12 may be telescoping into a portion of second support 14, or vice versa.
  • First support 12 may also comprise lip portions 20, 22 extending from each flange 18 of the support, and second supports 14 may also comprise lip portions 28, 30 extending from each flange 26 of the support.
  • first support 12 may have a web 16 with a width of 5 inches, a pair of flanges 18 with a depth of 3 inches extending from opposite sides of web 16, first lip portions 20 with a width of 0.75 inches extending from the flanges, and second lip portions 22 of 0.75 inches extending from first lip portion 20 and running along flanges 18.
  • second support 14 may have aweb 24 width of5.134 inches, flange 26 depths of 3.25 inches, first lip portion 28 length of 0.95 inches extending from flange 26 and a second lip portions 30 of 0.234 inches extending from first lip 28 at an angle from first lip 28.
  • first support 12 and second support 14 may be constructed with 14 or 16 gauge steel.
  • first support 12 contains a plurality of apertures 32, 34, and 36 spaced along each flange 18. As shown in the Figures, these apertures include upper apertures 32 and 34. For example, first upper aperture 32 is located two inches from the top edge of first support 12 and second upper aperture 34 is spaced 6 inches on center from first upper aperture 32.
  • First support 12 also includes a plurality of lower apertures 36 spaced from upper apertures 32, 34. Lower apertures 36 may be spaced 4 inches on center from each other and from the lower end of first support 12. Lower apertures 36 are also each spaced one inch on center from the edge of flange 18 that adjoins web 16.
  • Web 16 of first support 12 also may contain a plurality of apertures 38, which may be located along the center portion of web 16.
  • apertures 38 are oval and spaced 4 inches from each other on center. Apertures 38 are generally used to attach wall brace system 10 to the concrete forms 11 as described above.
  • second support 14 also contains a plurality of apertures as shown in Figs. 4A-4B. These include first and second apertures 40, 42 in flange 26. Apertures 40, 42 are arranged such that when first support 12 is slidably engaged with second support 14, apertures 36 can be aligned with apertures 40, 42. Apertures 36 and 40, 42 are adapted to receive a bolt, pin or other fastener to secure first support 12 and second support 14 to each other, and capable of providing structural support for construction above with uncured concrete wall in the forms 11.
  • Flange 26 may also contain additional apertures 44 along its length to provide for fixing of an anchor unit 48 to secure the adjustable brace system 10 to the foundation or lower floor 13.
  • the web 24 of the second support 14 also may contain apertures 46 similar to apertures 38 in web 16 of the first support 12. As with apertures 38, apertures 46 may be located along the center portions of web 24. For example, apertures 46 may be oval as shown and spaced about 4 inches on centers. Apertures 46 and 38 are configured and spaced as to align with each other to allow first and second supports 12, 14 and the assembled adjustable brace system 10 to be attached to insulating concrete forms 11.
  • first support 12 can be slidably engaged with second support 14 such that apertures 36 are aligned with apertures 40, 42, and one or more bolts or pins 56 are inserted through the aligned apertures 36 and 40, 42 to secure the first and second supports 12, 14 to each other, and provide an assembled adjustable brace system 10 capable of providing structural support for construction above as well as for an uncured concrete wall in the forms 11.
  • first support 12 may about 8 feet long, and second support 14 may be about 5 feet long.
  • Apertures 36 may be spaced about 4 inches apart on center, and apertures 40, 42 may be spaced about 8 inches apart on center. Assembled first support 12 and second support 14 may thereby be adjusted to provide an adjustable brace between 8 feet 6 inches to 12 feet 2 inches in height.
  • the apertures may for example be spaced the length of the assembled first support 12 and second support 14, and the adjustable brace system 10 may be adjustable in 4 inch increments. It is also envisioned that by altering the placement of the apertures, the length of the adjustable brace system may be adjustable in other increments.
  • the adjustable brace system 10 is adjustable and capable of providing structural support for construction above and for an uncured concrete wall in the forms 11.
  • the adjustable brace may also include an anchor unit 48.
  • Each adjustable brace of the system 10 may have an aperture located so as to align with an aperture of the second support and adapted to allow one or more fastening members to be provided for the apertures to secure the second support 14 to the anchor unit.
  • Anchor unit 48 may take the form of an inverted double "T" with a single anchor member 50 and a pair of vertical members 52, extending from anchor member 50, as illustrated in Figs. 5A-5C.
  • Vertical members 52 may have apair of apertures 45 located so as to align with apertures 44 when the second support 14 rests on anchor member 50 of anchor unit 48.
  • One or more bolts or pins 54 may be inserted into apertures 44, 45 to secure second support 14 to anchor unit 48.
  • Anchor member 50 may also have one or more apertures 57, through which nails, screws or the like (not shown) to secure anchor unit 48 to the foundation or lower floor 13.
  • horizontal member 50 has the dimensions of about 9.5 inches by 3.5 inches by 0.25 inches and vertical members 52 may be made of 14 or 16 gauge steel having the dimensions of about 3 inches by 3 inches.
  • Apertures 45 are located about one inch from the rear edges of vertical members 52 and have a diameter of about 11/16 inch.
  • Each adjustable brace system 10 also includes a cap 60 which is configured to be inserted onto an end of first support 12 opposite from second support 14 (Figs. 6A-6C).
  • One or more trusses 84 are then placed in assembled positions over caps 60, and centered over the concrete forms 11.
  • trusses 84 may be steel joist or any other desired open web truss typically made of steel or wood.
  • trusses 84 comprises a top chord 92 and a bottom chord 93 connected by an end web 91.
  • the configuration of cap 60 allows truss 84 to be centered above adjustable brace system 10, and with top chord 92 supported on the support 61 of cap 60 and flush with the L-shaped steel 83 on concrete forms 11.
  • Subfloor decking 86 is then installed over trusses 84 and Z-shaped deck edge closures 87 shown in Figure 2 are used to span between subfloor decking 86 with the steel cover over concrete forms 11.
  • Closures 87 may be fastened to the cold- formed steel angle 83 and to the deck with self-drilling screws 95.
  • subfloor decking 86 Workers can access upper portions of the concrete forms for placement of subfloor decking 86 while standing on a scaffold or platform provided by bracket 82. Guard rails 85 may also be placed on the opposite side of insulating concrete forms 11 for worker safety. Once secured, subfloor decking 86 can be used as a working platform for the remainder of the subfloor installation. [0043] Once subfloor decking 86 is installed, reinforcing screws 94, such as Shearflex ® screws, or similar fasteners may be installed through subfioor 86, and concrete placed in concrete forms 11 and over subfioor 86. Rebar 96 may optionally be placed in the concrete form 11, in the concrete floor, or both.
  • reinforcing screws 94 such as Shearflex ® screws, or similar fasteners may be installed through subfioor 86, and concrete placed in concrete forms 11 and over subfioor 86.
  • Rebar 96 may optionally be placed in the concrete form 11, in the concrete floor, or both.
  • Cap 60 may comprise an upper portion 62 that provides surfaces 61 for the truss seat 92 of the trusses, and a lower portion 64 that is inserted within channel 15 of first support 12. Upper portion 62 and lower portion 64 of cap 60 are separated by a stop 66, typically in the form of a plate, having a length and width greater than the dimensions of the first support 12 and the adjustable brace of the system 10.
  • stop 66 may be a plate of about 5.5 inches by 3.5 inches in rectangular shape by 0.25 inches in thickness.
  • stop 66 may also contain a nesting portion or "notch" 63 corresponding in location to the gap portion of the C-shaped top portion that lies between the first lip portions 20.
  • Nest portions 63 provide passage for the end web of a truss 84.
  • nesting portion 63 may be a notch about 1 to 1.5 inches wide.
  • Lower portion 64 of cap 60 may be C-shaped corresponding to the C-shaped dimensions of first support 12 except having narrower dimensions, optionally sufficient to provide a friction fit.
  • lower portion 64 may comprise a web 65 having a width of less than about 5 inches, a pair of opposed flanges 67 of a depth of less than about 3 inches.
  • a portion of the C-shape of lower portion 64 may be reinforced by one or more reinforcing members 68, 70 extending from one flange of the C-shape to the other to create a D-shape in one portion of cap 60.
  • Flanges 67 of cap 60 may also contain apertures 72 which are positioned to communicate with apertures 32 and 34 of first support 12. Bolts, pins or other fasteners 71 may be placed through apertures 72, 32, and 34 to secure cap 60 to first support 12.
  • lower portion 64 of cap 60 may be 9 inches in height.
  • Stiffener 68 may be a plate of 14 or 16 gauge steel having rectangular shape of about 4.5 inches by 2 inches. Apertures 72 may be spaced 6 inches on center.
  • Upper portion 62 of cap 60 may comprise upper support member 69 capable of supporting a truss seat 92 of a truss 84 and a nesting portion 59.
  • Nesting portion 59 enables a portion of a truss 84, such as an end web 91 , to be positioned unimpeded in an assembled position as shown in Fig. 1.
  • nesting portion 59 may be about one and one eighth (1 1/8) inch in upper portion 62 of cap 60.
  • cap support members 69 may comprise a rectangular shape attached to stop 66 formed of a plate member, but displaced from each other by about one and one eighth (1 1/8) inch to provide nesting portion 59.
  • stop 66 may also contain a cut-out portion or notch 63 in a plate to provide nesting portion 59 for a truss 84.

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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)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

L'invention porte sur un procédé de construction d'une structure en béton et d'un système d'étançonnement réglable pour celui-ci qui comprend une pluralité d'ensembles d'étançonnement réglables capables d'assurer un support structurel pour la construction d'une structure de plancher au-dessus et pour une paroi de béton non durcie dans les coffrages. Le système d'étançonnement réglable comprend un premier support allongé, un second support allongé et un capuchon. Les premier et second supports ont des dimensions permettant au premier support de venir en prise par coulissement avec au moins une partie du second support. Une pluralité d'ouvertures sont positionnées dans les premier et second supports pour permettre aux ouvertures dans le premier support de s'aligner avec les ouvertures dans le second support, et des organes de fixation sont fixés à travers des ouvertures alignées pour assurer le caractère réglable du système d'étançonnement réglable. Le capuchon est capable de supporter une ferme en acier en position pour une structure de plancher au-dessus.
PCT/US2009/050096 2008-07-09 2009-07-09 Procédé de construction d'immeuble en béton et système pour construction d'immeuble en béton WO2010006164A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/170,375 2008-07-09
US12/170,375 US20100005736A1 (en) 2008-07-09 2008-07-09 Method of concrete building construction and adjustable brace system therefor

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WO2010006164A2 true WO2010006164A2 (fr) 2010-01-14
WO2010006164A3 WO2010006164A3 (fr) 2010-05-14

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CN113530243A (zh) * 2021-08-10 2021-10-22 山西广业建设工程有限公司 高抗震性快装钢结构楼承板混凝土多层同步浇筑施工方法

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TWI556247B (zh) 2014-11-12 2016-11-01 財團法人工業技術研究院 錯誤容忍穿矽孔介面及其控制方法
CA2983463A1 (fr) 2015-04-20 2016-10-27 Integrated Concrete Forming Ltd. Procede et systeme de construction de coffrage isole
CN108193602A (zh) * 2018-02-07 2018-06-22 中交公局第二工程有限公司 一种可调式腹板箍筋安装定位装置
CN114790834B (zh) * 2022-04-27 2024-04-12 河北天山实业集团建筑工程有限公司 一种建筑施工用防坠装置

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