WO2017022610A1 - 支保部材、コンクリート打設用型枠およびコンクリート構造物の建造方法 - Google Patents
支保部材、コンクリート打設用型枠およびコンクリート構造物の建造方法 Download PDFInfo
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- WO2017022610A1 WO2017022610A1 PCT/JP2016/072133 JP2016072133W WO2017022610A1 WO 2017022610 A1 WO2017022610 A1 WO 2017022610A1 JP 2016072133 W JP2016072133 W JP 2016072133W WO 2017022610 A1 WO2017022610 A1 WO 2017022610A1
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- concrete
- concrete panel
- bars
- panel
- fitting
- Prior art date
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Classifications
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- 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
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/12—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements and beams which are mounted during erection of the shuttering to brace or couple the elements
-
- 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
- E04G17/02—Connecting or fastening means for non-metallic forming or stiffening elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/842—Walls made by casting, pouring, or tamping in situ by projecting or otherwise applying hardenable masses to the exterior of a form leaf
- E04B2/847—Walls made by casting, pouring, or tamping in situ by projecting or otherwise applying hardenable masses to the exterior of a form leaf the form leaf comprising an insulating foam panel
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8647—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties going through the forms
-
- 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
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
-
- 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
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0651—One-piece elements
- E04G17/0654—One-piece elements remaining completely or partially embedded in the cast material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2002/8682—Mixed technique using permanent and reusable forms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2002/8688—Scaffoldings or removable supports therefor
Definitions
- the present invention relates to a support member, a concrete casting form and a method of constructing a concrete structure, and more particularly, a support member for supporting a form panel installed opposite to a reinforcing bar set or a steel frame, and A concrete casting form using the support member, and further, concrete is cast in a concrete casting space (hereinafter referred to as a "cavity") formed by the concrete casting form to construct a reinforced concrete structure.
- a method of constructing a concrete structure for constructing a steel frame reinforced concrete structure hereinafter simply referred to as "concrete structure”
- a reinforcement process combining reinforcing bars, a formwork process in which formwork panels are installed opposite to each other with a predetermined interval surrounding the arrangement bars, and a configuration between formwork panels
- the concrete casting step of pouring concrete into the cavity is carried out, and after a predetermined curing period, the concrete form part such as a pillar, a beam, a wall or a slab is formed through a step of disassembling the formwork panel.
- the work of disassembling the formwork panel assembled at the time of forming each concrete frame portion and carrying it out from the construction site is performed, and it takes time and effort, and the number of days of dismantling work, formwork panel and assembly The space etc. which temporarily store members etc. were needed.
- an assembly process of an attachment member for attaching an interior material such as an interior board such as a stud or a frame material to the above-described concrete housing portion is performed.
- the installation process of the interior material is executed after measures such as heat insulation, sound insulation, moisture proofing etc. are planned by laying the appropriate heat insulation and moisture proofing body such as heat insulation and moisture proof board on the surface of bare concrete body. Do. Therefore, in the conventional construction method, the number of days and the cost increase because the heat insulation and moisture proof body and the installation process thereof are also performed.
- the present applicant also uses a foam panel made of foamed synthetic resin, and a concrete structure is left on the surface of the concrete casing portion forming this form panel.
- a method of forming a product was proposed (see Patent Document 1). According to the method of forming a concrete structure, the dismantling process of the formwork panel is unnecessary, and the foam synthetic resin formwork panel integrated on the surface of the concrete frame portion functions as the above-described heat insulating and moistureproof body. Demonstrate.
- the concrete casting form described in Patent Document 1 is formed by combining a pair of mold panels made of foamed synthetic resin so that the facing distance can be adjusted via the connection mechanism.
- the concrete casting formwork is assembled by combining a pair of arms (webs) combined in an X-shape by joining at the central part with the connecting mechanism, and the outer surface of the formwork panel, and the tip of each arm And a pair of plates on which a connecting piece is formed.
- the concrete casting formwork has a pair of arms pivotably connected at the central part, and the tip part is connected with the mounting piece of the plate which has penetrated the formwork panel by adjusting the connecting position and connecting The facing distance of the panels is appropriately set to assemble the form.
- Patent No. 4169159 gazette
- the present invention has been made in view of such problems, and the object of the present invention is a support member capable of facilitating assembly and disassembly of a mold, and a concrete casting mold using the support member. Or to provide a method of constructing a concrete structure. As a result, there is also the purpose of greatly reducing the construction cost by shortening the construction period and reducing the member cost.
- the support member according to the present invention also has a purpose of generalization that can be used for ordinary form frames made of plywood or the like, EPS form frames, lock cell form frames, and all other formwork panels only by changing the size.
- the invention according to claim 1 is an outer surface of a concrete panel (12) provided with a cavity (20) as a predetermined space for placing concrete.
- (12a) is a supporting member that can be repeatedly used, the plurality of cross bars (71) having a length corresponding to the width (W) of the concrete panel (12), and the concrete panel (12)
- Cross points (73) in which a plurality of vertical bars (72) having a length corresponding to the height (V), and a plurality of parallel horizontal bars (71) and vertical bars (72) are combined in a grid shape
- a recess (R) capable of receiving and fitting a part or all of the thickness (Q) and the width (P) of the other member facing each other is provided, and the crosspiece (71) and the longitudinal crosspiece (72) Is made of a grooved steel or similar shaped metal material, and the cross bars (71) and the vertical bars (72) combined in the grid shape are the outer surface (12a) of the concrete panel (12) Contact with each other at equal intervals.
- the invention according to claim 2 is a concrete casting mold fixed by a supporting member which can be repeatedly used by supporting a concrete panel (12) having a cavity (20) as a predetermined space for casting concrete.
- a frame (100) wherein the support member has a plurality of cross bars (71) having a length corresponding to the width (W) of the concrete panel (12), and the height (V) of the concrete panel (12)
- a frame-side mold for holding the concrete panel (12) from the inside to the outside of the cavity (20) by being locked at a predetermined position of the mold fixing rod (40) penetrating and the mold fixing rod (40)
- a frame fixing member (50) and at least one of
- the invention according to claim 3 is that in the concrete casting formwork according to claim 2, the concrete panel (12) is such that the outer peripheral edge portions (11) adjacent to each other are fitted by the contour forming the unevenness. It is characterized in that unit panels (10) of the same or similar shape which can be matched are connected appropriately.
- the invention according to claim 4 is the concrete casting form according to claim 2 or 3, wherein the central portion (O) of the form fixing rod (40) to the one end (41)
- the configuration and the configuration from the central portion (O) to the other end (42) are characterized by being symmetrical.
- the invention according to claim 5 is characterized in that, in the concrete casting formwork according to claim 2 or 3, the unit panel (10) is formed of a closed cell foam synthetic resin. Do.
- the invention according to claim 6 is the concrete casting form according to claim 2 or 3, wherein the unit panel (10) has a fitting portion (9) formed on the outer peripheral edge (11). And by fitting the opposing fitting portions (9), the outer peripheral edge portion (11) is butted, and a large number of sheets are assembled in combination vertically and horizontally, and the fitting portions (9)
- the fitting convex portion (4) and the fitting convex portion (4) are substantially equivalent Comprising an inner fitting portion (6) and an outer fitting portion (7) formed by alternately forming fitting recesses (5) having an opening size (H) over the entire region in the length direction (Z) And the fitting convex portion (4) and the fitting concave portion (5) of the inner fitting portion (6) and the outer fitting portion (7). Shift one pitch, characterized in that it is formed in the opposite position.
- the invention according to claim 7 is a concrete structure in which a support member for supporting an outer surface (12a) of a concrete panel (12) provided with a cavity (20) as a predetermined space for placing concrete is repeatedly used. It is a construction method, and the supporting member has a plurality of cross bars (71) having a length corresponding to the width (W) of the concrete panel (12) and the height (V) of the concrete panel (12).
- Each pair To form a recess (R) capable of receiving and fitting a part or all of the thickness (Q) and the width (P) of the other member to be engaged, and the crosspiece (71) and the longitudinal crosspiece (72)
- the horizontal bars (71) and the vertical bars (72) which are made of a grooved steel or a metal material of the same shape and are combined in the grid shape, are respectively provided on the outer surface (12a) of the concrete panel (12). Contacting at equal intervals is characterized.
- the invention according to claim 8 is a concrete casting mold fixed by a supporting member which can be repeatedly used by supporting a concrete panel (12) having a cavity (20) as a predetermined space for casting concrete.
- a plurality of parallel horizontal bars (71) and vertical bars (72) are combined in a grid shape.
- a form fixing rod (40) penetrating through the drilled mounting holes (13), (74) and a predetermined position of the form fixing rod (40) are locked to the outside of the cavity (20)
- a frame-side form fixing member (50) for supporting the concrete panel (12) in a direction, and at least one of the cross bar (71) and the longitudinal bar (72) according to the intersection point (73) Is provided with a recess (R) capable of receiving and fitting a part or all of the thickness (Q) and the width (P) of the opposing crosspieces facing each other, the crosspiece (71) and the longitudinal crosspiece ( 72) is made of a grooved steel or a metal material of equivalent shape, and the cross bars (71) and the vertical cross bars (72) combined in the grid shape are the outer surface (concrete panel) (12) 12a) at equal intervals, and the form fixing rod (40)
- the invention according to claim 9 is the method for constructing a concrete structure according to claim 7 or 8, wherein the concrete panel (12) is formed after the concrete cast in the cavity (20) is solidified. Also, it is characterized by being part of a building without being dismantled and removed.
- the present invention it is possible to provide a support member capable of facilitating assembly and disassembly of a form, and a method of constructing a form for placing concrete or a concrete structure using the support member.
- the construction cost can be significantly reduced by shortening the construction period and reducing the cost of parts.
- the support member according to the present invention can also achieve the purpose of generalization that can be used for ordinary form frames such as plywood, EPS form frames, lock cell form frames, and all other formwork panels only by changing the size. .
- FIG. 1 is a partial perspective view for schematically illustrating a method (hereinafter also referred to as “the present method”). It is a sectional side view for demonstrating the present formwork of FIG. 1 in more detail. It is a projection view of the unit panel which comprises the concrete panel which can be employ
- FIG. 5 A) showing a support member that can be adopted and a bolt-nut configuration for fixing them in the present formwork of FIG. 1 and FIG. 2 adopting the unit panel of FIG. 3;
- FIG. 5 (B) It is sectional drawing of a color combined use type.
- 6 (C) showing a bolt and nut configuration following FIG. 5;
- FIG. 6 (C) is a sectional view of a three-piece nut fastening type;
- FIG. 6 (D) is a sectional view of a four-piece nut fastening type; It is sectional drawing of combined use type.
- FIG. 1 is a view for explaining the outline of a support member according to an embodiment of the present invention, a concrete casting form (main form) using the same, and a method of constructing a concrete structure (this method).
- the main support member used in the present formwork 100 is a panel fixing means that can be repeatedly used by supporting the outer surface 12a of the concrete panel 12 in which the cavity 20 is provided as a predetermined space for placing concrete. Make up the main part of
- the concrete panel 12 of the same shape is extended by the lower part of FIG.
- the structure is extended in the same or different shape in the left and right direction of FIG. 1 or the cross section is closed, but The left and right sides of FIG. 1 depict exposed cross sections.
- a plurality of horizontal bars 71 and vertical bars 72 arranged in parallel are combined in a grid, and the outer surface 12a of the concrete panel 12 is formed by a plane including the grid-like combination. Support evenly at intervals.
- a concrete panel 12 is formed by a bolt / nut arrangement 60 or the like provided in a form fixing rod 40 which is formed with a hole penetrating the intersection 73 which is combined in a lattice shape and which penetrates the hole of the intersection 73. Are locked toward the inside of the cavity 20.
- the horizontal bar 71 and the vertical bar 72 will be described later with reference to FIGS. 5 and 6 with respect to an example made of a grooved steel or a metal material of equivalent shape and details of the bolt / nut configuration 60 and the like.
- the cross bar 71 has a length corresponding to the width W of the concrete panel 12.
- the longitudinal bars 72 have a length corresponding to the height V of the concrete panel 12.
- the horizontal bar 71 and the vertical bar 72 do not necessarily have to be connected to one in order to secure the length corresponding to the horizontal width W and the height V, respectively. That is, the horizontal bars 71 of any length and the vertical bars 72 of any length ensure lengths according to the width W and height V, respectively, and the support members are arranged by the number covering the entire wall surface. It may be configured. According to the area of the concrete panel 12, the number of the horizontal bars 71 and the vertical bars 72 necessary for covering the area is used.
- At least one of the horizontal bar 71 and the vertical bar 72 related to the intersection point 73 is provided with a recess R capable of receiving and fitting a part or all of the thickness Q and the width P of the opposing bars. It is set up. Therefore, not only the horizontal beam 71 attached to the outside surface 12 a of the concrete panel 12 but also the vertical beam 72 attached later may be evenly supported without being lifted from the outer surface 12 a of the concrete panel 12. It is possible.
- FIG. 2 is a side cross-sectional view for explaining the master form 100 of FIG. 1 in more detail.
- a pair of concrete panels 12 opens a predetermined gap X by the panel fixing means with the core of the frame in the concrete structure, for example, the wall core Y interposed therebetween. It is fixed in the state where it faced.
- a cavity 20 is formed by the gap X.
- this formwork 100 is directed from the central portion O in the lengthwise direction of the formwork fixing rod 40 to both ends 41 and 42, respectively, at the frame side formwork fixing material 50, the concrete panel 12, and a plurality of horizontal bars 71. And a plurality of vertical bars 72 combined in a grid shape with respect to the horizontal bars 71.
- the items arranged in this manner are locked by a bolt and nut arrangement 60 to form a cavity 20 so as to maintain the positional relationship defined in combination with the form fixing rod 40.
- the cavity 20 is closed at the upper and lower ends of FIG. 2 by small pieces of the concrete panel 12 and other plate materials or the like so that the cast concrete is not leaked.
- reinforcing bars 1 (not shown in FIG. 1) are assembled vertically and horizontally at the core portion of the frame of the concrete structure to increase the strength of the concrete structure.
- the frame fixing rod 40 passes through the mounting holes 13 and 73 formed respectively in the concrete panel 12, the horizontal bar 71 and the vertical bar 72.
- the unit panel 10 mentioned later using FIG. 3 and FIG. 4 is employ
- adopted as a material of the concrete panel 12 which comprises this formwork 100 this is only an example. Therefore, the support member, the present formwork 100 using the same, and the present method adopt a common formwork such as a plywood, an EPS formwork of another shape, a lock cell formwork, and all other formwork panels. Application is possible.
- the frame-side form fixing member 50 is locked at a predetermined position of the form fixing rod 40, and supports the concrete panel 12 from the inside (for example, the wall core Y) of the cavity 20 to the outside (wall).
- the bolt and nut configuration 60 it is preferable to dispose the bolt and nut configuration 60 at both ends 41 and 42 of the mold fixing rod 40. That is, a combination of external threads 61 (FIGS. 5 and 6) screwed to both ends 41 and 42 of the frame fixing rod 40 and a bolt / nut configuration 60 capable of being engaged with the external threads 61 is preferable.
- the bolt / nut configuration 60 at least one of both ends 41 and 42 of the mold fixing rod 40 may be screwed, and the other may be a locking means different from the bolt / nut configuration. Absent.
- the formwork 100 illustrated in FIG. 2 has the structure from the central part O to one end 41 of the formwork fixing rod 40 and the structure from the central part O to the other end 42, the casing side formwork fixing material 50, concrete
- the panel 12, the horizontal bar 71, the vertical bar 72 and the bolt-nut arrangement 60 are a pair of completely symmetrical pairs. That is, in the case of forming a simple wall portion in a concrete structure, the present formwork 100 is often in a pair configuration of perfect right and left symmetry centering on the wall core Y, but it is not limited thereto.
- the present formwork 100 is not limited to the wall, but may be formed corresponding to the complicated shape of each concrete casing portion such as a column, a beam, a slab, a foundation or a bending portion constituting the casing of the concrete structure. Because there are many, it is not limited to the symmetrical shape like the present mold frame 100 illustrated in FIG.
- FIG. 3 is a projection view of a unit panel constituting a concrete panel that can be adopted in the main form of FIG. 1 and FIG. 2, and is a top view of FIG. 3 (A) and a sectional view taken along line FF of FIG. 3 (C) is a front view, FIG. 3 (D) is a bottom view, and FIG. 3 (E) is a side view.
- FIG. 4 is a perspective view of the unit panels of FIG. 3 arranged vertically and connected. As shown in FIGS. 3 and 4, the unit panel 10 is divided into an inner area 2 and an outer area 3 each having an outer peripheral edge 11 half the thickness G, and the inner area 2 and the outer area The fitting portion 9 is formed integrally with the third portion 3.
- the fitting portion 9 includes an inner fitting portion 6 formed in the inner region 2 and an outer fitting portion 7 formed in the outer region 3.
- the inner fitting portion 6 has a large number of inner fitting projections 4a and an inner fitting recess 5a.
- the outer fitting portion 7 has a large number of outer fitting projections 4b and outer fitting recesses 5b.
- the concrete panel 12 is configured by connecting a necessary number of unit panels 10 of the same or similar shape (see FIG. 1). That is, the unit panel 10 forms the mold 100 by placing the concrete panels 12 formed in a wide area by bringing the outer peripheral edge portions 11 facing each other into contact with each other and combining them in the vertical and horizontal directions.
- the unit panel 10 can be fitted like a jigsaw puzzle with the fitting portions 9 adjacent to each other due to the contour forming the unevenness.
- the unit panels 10 used in the present formwork 100 have the same shape based on the unified standard, It is unnecessary.
- unit panels 10 of the same shape based on the unified standard are connected, for example, such that the long sides or the short sides of generally rectangular shapes are adjacent to each other.
- the connecting portion 11a in which the fitting portions 9 formed by the contour forming the unevenness are adjacent to each other it is possible to reliably fit and connect. That is, in the fitting portion 9 formed on the long side of the outer peripheral edge portion 11 of each of the plurality of unit panels 10, the concave portion 5 (including 5a, 5b) of the other is in the convex portion 4 (including 4a, 4b) Alternatively, the other convex portion 4 is closely fitted in the concave portion 5. Accordingly, the connecting portion 11a is robust, prevents the occurrence of a gap that causes concrete leakage, and forms a flat outer surface without any step.
- the fitting portion 9 includes a plurality of inner fitting projections 4 a and a plurality of inner fitting recesses 5 a formed adjacent to each other in the length Z direction in the inner region 2 of the outer peripheral edge 11 and the outer region 3.
- a plurality of outer fitting projections 4b and a plurality of outer fitting recesses 5b formed adjacent to each other in the length Z direction are provided.
- the fitting portion 9 has the inner fitting convex portion 4a and the inner fitting concave portion 5a alternately formed over the entire area in the length direction Z in the inner region 2 of the outer peripheral edge portion 11, and
- the portions 4 b and the outer fitting recess 5 b are alternately formed in the outer region 3 of the outer peripheral edge portion 11 over the entire area in the length direction Z.
- the outer fitting convex portion 4b and the outer fitting concave portion 5b, and the inner fitting convex portion 4a and the inner fitting concave portion 5a are formed with the convex dimension and the concave dimension substantially equal.
- the fitting portion 9 is formed by shifting the rows of the inner fitting protrusion 4a and the inner fitting recess 5a by one pitch with respect to the rows of the outer fitting protrusion 4b and the outer fitting recess 5b.
- the inner fitting recess 5a is positioned opposite to the outer fitting protrusion 4b, and the inner fitting protrusion 4a is positioned opposite to the outer fitting recess 5b.
- the rows of the fitting recesses 5a are formed to be shifted by one pitch.
- the unevenness being shifted by one pitch means a shape in which two rectangular waves of the same cycle are described in reverse phase. .
- the concrete panel 12 is a part of the wall surface structure of the building without dismantling and removing even after the concrete in the cavity 20 is solidified. It may be used, and is applicable to a method known as so-called lock cell board (RCB) external heat insulation method.
- RTB lock cell board
- the unit panel 10 which comprises the concrete panel 12 is formed with a closed cell foam synthetic resin, and what is known as what is called an EPS type frame can be employ
- FIG. 5 is a front view of FIG. 5 (A) showing a support member that can be adopted and a bolt-nut configuration for fixing them in the main form of FIG. 1 and FIG. 2 adopting the unit panel of FIG. It is sectional drawing of 5 (B) color
- 6 is a cross-sectional view of a three-piece nut fastening type of FIG. 6 (C) showing a bolt and nut configuration following FIG. 5;
- FIG. 6 (D) is a cross-section view of four nut fastening types; It is a sectional view of specified thickness nut combined use type.
- the horizontal bars 71 and the vertical bars 72 will be described later according to [material and shape of horizontal bars and vertical bars] in the first embodiment shown in FIGS. 1 and 2 and in the first and second embodiments shown in FIGS.
- the respective effects of the thickness Q and the shape of the recess R are slightly different, the effects are the same, and no misunderstanding occurs, so the same reference numerals are used.
- the horizontal bars 71 and the vertical bars 72 constituting the support member are grooved steel or having a rigidity sufficient to fix the concrete panel 12 against the weight of the cast concrete. It is preferable to be made of an equivalent metal material.
- Each of the horizontal bars 71 and the vertical bars 72 has a length corresponding to the width W and height V of the concrete panel 12, and it is possible to selectively adopt and assemble from among several levels of fixed size stock.
- the present support member is disassembled by loosening the bolt and nut arrangement 60 every time it plays its role, is recovered unscathed, and is repeatedly used.
- Mounting holes 74 are formed in the horizontal bar 71 and the vertical bar 72 so as to pass through the intersection 73 in which they are combined in a lattice, and are disposed on the mold fixing rod 40 which penetrates the hole of the intersection 73
- the concrete panel 12 is locked toward the inside of the cavity 20 by the bolt-nut arrangement 60 and the like.
- a frame-side frame fixing member 50 is fixed to the frame fixing rod 40 at a position near the center from the one end 41 by a predetermined length, and the flange portion 51 abuts on the inner side surface 12 b of the concrete panel 12 ,
- the concrete panel 12 is supported by the outer direction of the cavity 20, and position control is carried out. As a result, the gap X forming the cavity 20 is maintained.
- the mold 100 is a frame-side mold fixing material from the central portion O in the lengthwise direction of the mold fixing rod 40 toward both ends 41 and 42. 50, the concrete panel 12, the horizontal bar 71, and the vertical bar 72 are arranged in the order of left-right symmetry.
- the configuration of the mold frame 100 from the central portion O to the end 41 of the mold fixing rod 40 and the configuration from the central portion O to the other end 42 are often symmetrical, Only one end 41 (left side in FIG. 2) of the fixing rod 40 will be described in detail, and the other end 42 (right side in FIG. 2) will also be described.
- this invention is not limited to the left-right symmetrical shape like this formwork 100 illustrated in FIG.
- both the horizontal bar 71 and the vertical bar 72 related to the intersection point 73 there is disposed a concave portion R capable of mutually receiving and fitting each other half of the thickness Q and the entire width P of the opposing bars facing each other. It is done. Therefore, not only the horizontal beam 71 attached to the outside surface 12 a of the concrete panel 12 but also the vertical beam 72 attached later may be evenly supported without being lifted from the outer surface 12 a of the concrete panel 12. It is possible. Although the formwork 100 is fastened by the bolt-nut arrangement 60 after the crosspiece 71 is attached first and the longitudinal crosspiece 72 is attached later, conversely, the vertical crosspiece 72 is attached first and the crosspiece 71 is attached. It may be configured to be attached later.
- a frame-side form fixing member 50 is fixed to the form fixing rod 40 at a position near the center from the one end 41 by a predetermined length.
- the frame fixing rod 40 is inserted into the mounting hole 13 of the concrete panel 12 so that the flange 51 of the frame-side frame fixing member 50 abuts on the inner surface 12 b of the concrete panel 12, and one end 41 thereof is a concrete panel It protrudes by a length of thickness Q or more from the outer surface 12 a of 12.
- the cross bar 71 is attached such that the protruding end 41 of the form fixing rod 40 is inserted into the attachment hole 74 thereof.
- a cross-piece locking nut 62 is lightly tightened to the protruding end 41 of the form fixing rod 40 in which the male screw 61 is screwed, and the cross-piece 71 is attached to the outer side surface 12 a of the concrete panel 12.
- the vertical beam 72 is attached so as to overlap the horizontal beam 71.
- the relative positional relationship between the horizontal bar 71 and the vertical bar 72 in the thickness direction is defined by the height of the vertical bar back support collar 63. As a result, the intersection 73 between the horizontal bar 71 and the vertical bar 72 is firmly connected.
- FIG. 6 (C) uses the vertical beam backstop nut 65 instead of the vertical beam back support collar 63 in the color combination type of FIG.
- the positional relationship between the horizontal bar 71 and the vertical bar 72 is defined by the difference between the tightening positions. Therefore, a total of three nuts will be used.
- the specified thickness nut combined type shown in FIG. 6 (E) is a difference between the tightening position of the two in place of the horizontal cross bar lock nut 62 and the vertical cross bar back lock nut 65 in the four nut use type shown in FIG.
- the relative positional relationship between the horizontal crosspiece 71 and the vertical crosspiece 72 is defined only by the dedicated extra thick nut 67 having a thickness corresponding to. Therefore, the total number of nuts is three, and one of them is to use a dedicated extra thick nut 67.
- the material of the horizontal bars 71 and the vertical bars 72 is preferably wood, synthetic resin, iron, stainless steel, aluminum or the like, and in particular, it is preferable to use stainless steel or the like having high corrosion resistance and mechanical strength.
- the horizontal bar 71 and the vertical bar 72 are supporting members that are configured similarly with simple members such as sheet metal and can be used repeatedly.
- the main support member in which the horizontal bars 71 and the vertical bars 72 are combined in a grid shape and bolted, the present form frame 100 using the same, and the present method are easy to assemble and disassemble. As a result, it is possible to significantly reduce the construction cost by shortening the construction period and reducing the member cost.
- the external dimensions of the horizontal bar 71 and the vertical bar 72 are, for example, the width P of the bar made of grooved steel about 150 mm, the thickness of the bar ( ⁇ groove depth + steel plate thickness) Q about 30 to 60 mm Is formed.
- the recess R of the intersection 73 is provided so as to be able to receive and fit a part or all of the thickness Q and the width P of the opposing crosspiece to at least one of the horizontal crosspiece 71 and the vertical crosspiece 72. It is done.
- Vertical bars 72 are used.
- the longitudinal bars 72 are provided with concave portions R having a width of about 170 mm and a thickness of about 30 mm at the intersections 73 thereof at locations facing the other horizontal bars 71.
- a horizontal bar 71 having a width P of about 150 mm and a thickness Q of about 30 mm is received and fitted in a recess R provided only in the vertical bar 72 and fastened by a bolt and nut mechanism 60.
- Recesses R each having a width P of about 170 mm and a thickness Q of about 30 mm are provided at locations facing each other.
- the horizontal bars 71 and the vertical bars 72 are not limited to the specifications of such external dimensions, and are formed according to the specifications of the concrete body, the formation site or other appropriate specifications according to other conditions, and in some cases are standard. A standard product that has been subjected to processing such as cutting and cutting is used.
- the unit panel 10 is formed in a rectangular panel body by using a foamed synthetic resin material, for example, a foamed polyethylene resin as a material.
- the external dimensions of the unit panel 10 are, for example, about 1820 mm in length, about 467 mm in width, and about 50 (10 to 60) mm in thickness.
- the unit panel 10 is, of course, not limited to the specification of such external dimensions, and is formed according to the specification of the concrete casing, the formation site or other appropriate specification according to other conditions, and in some cases The one that has been subjected to processing such as cutting and cutting is used.
- the unit panel 10 may use, for example, a foamed synthetic resin material such as a foamed polystyrene resin, a foamed polyethylene resin, or a foamed polyurethane resin as a material.
- a foamed synthetic resin material such as a foamed polystyrene resin, a foamed polyethylene resin, or a foamed polyurethane resin.
- the unit panel 10 is made of such a foamed synthetic resin material, and the concrete intrudes into the inside and hardens so as to be firmly integrated with the concrete body.
- the unit panel 10 can be easily processed by using the above-described material and is lightweight, so that handling such as transportation and installation is simple, and integration with the surface of a concrete casing Thus, the above-described characteristics such as heat insulation can be exhibited.
- the formwork 100 eliminates the dismantling process of the concrete panel 12, and a concrete structure in which the heat insulation, sound insulation, high airtightness, fire resistance, durability or earthquake resistance is improved by the concrete panel 12 integrated with the concrete casing. It will be possible to form the object with the construction period greatly shortened.
- the formwork 100 can be fixed even if the outer side of the grid-like horizontal crosspiece 71 and the vertical crosspiece 72 is not firmly fixed by diagonal crosspieces or the like. It has been demonstrated that the shape is maintained, bearing the weight of the cast concrete. The reason for this is that when forming a narrow wall surface with the present formwork 100, the weight of the concrete to be placed in the cavity 20 is also light, so the strength against the expansion stress due to it is It is because it is secured only by 72.
- the support member horizontal rail, The use of longitudinal bars and bolt-nut arrangements etc. facilitates the assembly and disassembly of the formwork. As a result, it is possible to significantly reduce the construction cost by shortening the construction period and reducing the member cost.
- the support member according to the present invention can also achieve the purpose of generalization that can be used for ordinary form frames such as plywood, EPS form frames, lock cell form frames, and all other formwork panels only by changing the size. .
- Reference Signs List 1 rebar, 2 inner region, 3 outer region, 4 fitting protrusion, 4a inner fitting protrusion, 4b outer fitting protrusion, 5 fitting recess, 5a inner fitting recess, 5b outer fitting recess, 6 inner Fitting part, 7 outer fitting part, 9 fitting part, 10 unit panel, 11 outer peripheral edge part, 11a connecting part, 12 concrete panel, 12a outer side surface, 12b inner side surface, 12c panel temporary fixing nut accommodation hole, 13, 74 mounting hole, 20 cavity, 40 frame fixing rod, 41, 42 (of the frame fixing rod 40) end, 50 rod side frame fixing material, 51 flange, 60 bolt and nut configuration (locking means), 61 male screw, 62 horizontal cross bar lock nut, 63 vertical cross bar support collar, 64 vertical cross bar lock nut, 65 vertical cross bar back lock nut, 66 panel temporary lock nut, 67 special extra thick nut, 70 post support Cross bar, 71 horizontal cross bar, 72 vertical cross bar, 73 cross point, 100 concrete casting formwork (main formwork),
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Abstract
Description
図1は、本発明の実施の形態に係る支保部材と、それを用いたコンクリート打設用型枠(本型枠)と、コンクリート構造物の建造方法(本方法)について概略を説明するための一部斜視図である。図1に示すように、本型枠100に用いられる本支保部材は、コンクリートを打設する所定の空間としてキャビティ20を設けるコンクリートパネル12の外側面12aを支持して繰り返し使用可能なパネル固定手段の主要部を構成する。なお、図1の下方にも同一形状のコンクリートパネル12が延設されていることを示唆している。また、コンクリート打設用型枠の性質上、図1の左右方向にも同一又は異なる形状で延設されるか、あるいは断面を閉塞された構造が示唆されるが、紙面および説明の都合により、図1の左右には露出した断面を描写している。
図3は、図1および図2の本型枠において採用可能なコンクリートパネルを構成する単位パネルの投影図であり、図3(A)上面図、図3(B)F-F線断面図、図3(C)正面図、図3(D)底面図、図3(E)側面図である。
図4は、図3の単位パネルを上下に並べて連結した状態の斜視図である。
図3および図4に示すように、単位パネル10は、その外周縁部11が厚さGに対して1/2ずつの内側領域2と外側領域3に区割りされ、この内側領域2と外側領域3に嵌合部9を一体に形成されている。嵌合部9は、内側領域2に形成された内側嵌合部6と、外側領域3に形成された外側嵌合部7により構成されている。内側嵌合部6は、それぞれ多数個の内側嵌合凸部4aおよび内側嵌合凹部5aを有する。同様に外側嵌合部7は、それぞれ多数個の外側嵌合凸部4bおよび外側嵌合凹部5bを有する。
嵌合部9は、外周縁部11の内側領域2に長さZ方向に隣り合って形成された多数個の内側嵌合凸部4aおよび多数個の内側嵌合凹部5aと、外側領域3に長さZ方向に隣り合って形成された多数個の外側嵌合凸部4bおよび多数個の外側嵌合凹部5bと、から構成される。また、嵌合部9は、内側嵌合凸部4aと内側嵌合凹部5aが外周縁部11の内側領域2に長さ方向Zの全域に亘って交互に形成されるとともに、外側嵌合凸部4bと外側嵌合凹部5bが外周縁部11の外側領域3に長さ方向Zの全域に亘って交互に形成されてなる。
以下、図5および図6を用いて、溝形鋼又は同等形状の金属材料により構成された横桟71および縦桟72の一例と、ボルト・ナット構成60等の4つの例について説明する。
図5は、図3の単位パネルを採用した図1および図2の本型枠において、採用可能な支保部材およびそれらを固定するためのボルト・ナット構成を示す図5(A)正面図、図5(B)カラー併用タイプの断面図である。
図6は、図5に引き続いてボルト・ナット構成を示す図6(C)3個使いナット止めタイプの断面図、図6(D)4個使いナット止めタイプの断面図、図6(E)規定厚さナット併用タイプの断面図である。
図6(C)に示す3個使いナット止めタイプは、図5(B)カラー併用タイプにおける縦桟裏支えカラー63に代えて、縦桟裏止めナット65を用い、横桟止めナット62との締め込み位置の差分により、横桟71と縦桟72の相互位置関係を規定する。したがって、合計3個のナットを使うことになる。
横桟71と縦桟72の材料は木材、合成樹脂、鉄、ステンレス、アルミ等が好適であり、特に、防錆性や機械的強度が大きなステンレス材等であることが好ましい。このように横桟71と縦桟72は、板金等の簡素な部材で類似した形状で構成され繰り返し使用可能な支保部材である。この横桟71と縦桟72を格子状に組み合わせてボルト止めした本支保部材、それを用いる本型枠100および本方法は、組み立てと分解が容易である。その結果、工期の短縮化と部材費の低減により工費を大幅に低減することが可能である。
また、型枠100は、単位パネル10が、発泡合成樹脂材、例えば、発泡ポリエチレン樹脂を素材として長方形のパネル体に形成される。単位パネル10の外形寸法は、一例として、長さが約1820mm、幅が約467mm、厚さが約50(10~60)mmに形成される。なお、単位パネル10は、かかる外形寸法の仕様に限定されないことは勿論であり、コンクリート躯体の仕様、形成部位あるいはその他の条件に応じた適宜の仕様により形成され、場合によっては標準規格品に対して切断・切削等の加工を施したものが用いられる。
Claims (9)
- コンクリートを打設する所定の空間としてキャビティを設けるコンクリートパネルの外側面を支持して繰り返し使用可能な支保部材であって、
前記コンクリートパネルの横幅に応じた長さの複数の横桟と、
前記コンクリートパネルの高さに応じた長さの複数の縦桟と、
それぞれ平行な複数の前記横桟および前記縦桟が格子状に組み合された交点を貫通して前記キャビティの内部方向へと係止するボルト・ナット構成と、
を備え、
前記交点に係る前記横桟および前記縦桟の少なくともいずれかには、それぞれ対面する相手の桟の厚さの一部又は全部と幅とを受け入れて嵌着可能な凹部を設け、
前記横桟および前記縦桟は、溝形鋼又は同等形状の金属材料により構成され、
前記格子状に組み合された前記横桟および前記縦桟は、前記コンクリートパネルの外側面にそれぞれ等間隔で接触することを特徴とする支保部材。 - コンクリートを打設する所定の空間としてキャビティを設けるコンクリートパネルを支持して繰り返し使用可能な支保部材により固定されるコンクリート打設用型枠であって、
前記支保部材は、
前記コンクリートパネルの横幅に応じた長さの複数の横桟と、
前記コンクリートパネルの高さに応じた長さの複数の縦桟と、
それぞれ平行な複数の前記横桟および前記縦桟が格子状に組み合された交点を貫通して前記キャビティの内部方向へと係止するボルト・ナット構成と、
前記コンクリートパネルおよび前記交点に位置合わせして穿設された取付孔を貫通する型枠固定棒と、
前記型枠固定棒の所定位置に係止されて前記キャビティの内側から外側方向に前記コンクリートパネルを支持する躯体側型枠固定材と、
を備え、
前記交点に係る前記横桟および前記縦桟の少なくともいずれかには、それぞれ対面する相手の桟の厚さの一部又は全部と幅とを受け入れて嵌着可能な凹部を設け、
前記横桟および前記縦桟は、溝形鋼又は同等形状の金属材料により構成され、
前記格子状に組み合された前記横桟および前記縦桟は、前記コンクリートパネルの外側面にそれぞれ等間隔で接触し、
前記型枠固定棒の長さ方向の中央部から一端に向けて、前記躯体側型枠固定材と、前記コンクリートパネルと、前記支保部材と、の順に配置して形成され、
前記ボルト・ナット構成は前記型枠固定棒の少なくとも一端に形成されていることを特徴とするコンクリート打設用型枠。 - 前記コンクリートパネルは、凹凸を形成する輪郭により隣接する外周縁部どうしが嵌合可能な同一又は類似形状の単位パネルを適宜連結して構成されることを特徴とする請求項2に記載のコンクリート打設用型枠。
- 前記型枠固定棒の前記中央部から前記一端までの構成と、前記中央部から他端までの構成と、は対称であることを特徴とする請求項2又は3に記載のコンクリート打設用型枠。
- 前記単位パネルは、独立気泡型発泡合成樹脂により形成されていることを特徴とする請求項2又は3に記載のコンクリート打設用型枠。
- 前記単位パネルは、外周縁部に嵌合部が形成されるとともに、相対する嵌合部を嵌合することにより前記外周縁部を突き合わせて多数枚が上下左右に組み合わされて設置され、
前記嵌合部は、前記単位パネルの厚さ方向に区分けした内側領域と外側領域のそれぞれに、嵌合凸部と、この嵌合凸部とほぼ同等の開口寸法を有する嵌合凹部を長さ方向の全域に亘って交互に形成してなる内側嵌合部と外側嵌合部から構成されるとともに、これら内側嵌合部と外側嵌合部の前記嵌合凸部と前記嵌合凹部とが1ピッチ分ずれて対向位置に形成されることを特徴とする請求項2又は3に記載のコンクリート打設用型枠。 - コンクリートを打設する所定の空間としてキャビティを設けるコンクリートパネルの外側面を支持する支保部材を繰り返し使用するコンクリート構造物の建造方法であって、
前記支保部材は、
前記コンクリートパネルの横幅に応じた長さの複数の横桟と、
前記コンクリートパネルの高さに応じた長さの複数の縦桟と、
それぞれ平行な複数の前記横桟および前記縦桟が格子状に組み合された交点を貫通して前記キャビティの内部方向へと係止するボルト・ナット構成と、
を備え、
前記交点に係る前記横桟および前記縦桟の少なくともいずれかには、それぞれ対面する相手の桟の厚さの一部又は全部と幅とを受け入れて嵌着可能な凹部を設け、
前記横桟および前記縦桟は、溝形鋼又は同等形状の金属材料により構成され、
前記格子状に組み合された前記横桟および前記縦桟は、前記コンクリートパネルの外側面にそれぞれ等間隔で接触することを特徴とするコンクリート構造物の建造方法。 - コンクリートを打設する所定の空間としてキャビティを設けるコンクリートパネルを支持して繰り返し使用可能な支保部材により固定されるコンクリート打設用型枠を用いたコンクリート構造物の建造方法であって、
前記支保部材は、
前記コンクリートパネルの横幅に応じた長さの複数の横桟と、
前記コンクリートパネルの高さに応じた長さの複数の縦桟と、
それぞれ平行な複数の前記横桟および前記縦桟が格子状に組み合された交点を貫通して前記キャビティの内部方向へと係止するボルト・ナット構成と、
前記コンクリートパネルおよび前記交点に位置合わせして穿設された取付孔を貫通する型枠固定棒と、
前記型枠固定棒の所定位置に係止されて前記キャビティの内側から外側方向に前記コンクリートパネルを支持する躯体側型枠固定材と、
を備え、
前記交点に係る前記横桟および前記縦桟の少なくともいずれかには、それぞれ対面する相手の桟の厚さの一部又は全部と幅とを受け入れて嵌着可能な凹部を設け、
前記横桟および前記縦桟は、溝形鋼又は同等形状の金属材料により構成され、
前記格子状に組み合された前記横桟および前記縦桟は、前記コンクリートパネルの外側面にそれぞれ等間隔で接触し、
前記型枠固定棒の長さ方向の中央部から一端に向けて、前記躯体側型枠固定材と、前記コンクリートパネルと、前記支保部材と、の順に配置して形成され、
前記ボルト・ナット構成は前記型枠固定棒の少なくとも一端に形成されていることを特徴とするコンクリート構造物の建造方法。 - 前記コンクリートパネルは、前記キャビティに打設されたコンクリートが固化した後にも解体撤去されることなく建造物の一部となすことを特徴とする請求項7又は8に記載のコンクリート構造物の建造方法。
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Also Published As
Publication number | Publication date |
---|---|
EP3330458A4 (en) | 2019-01-09 |
CN107849855A (zh) | 2018-03-27 |
KR20180037977A (ko) | 2018-04-13 |
US20180258637A1 (en) | 2018-09-13 |
JP6655320B2 (ja) | 2020-02-26 |
JP2017031647A (ja) | 2017-02-09 |
EP3330458A1 (en) | 2018-06-06 |
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