JP3848873B2 - Construction method of concrete wall of building and concrete formwork - Google Patents

Description

[0001]
[Field of the Invention]
The present invention relates to a concrete wall construction method and a concrete formwork constituting an inner wall and an outer wall of a building.
[0002]
[Prior art]
Conventionally, a concrete wall surface of a building is constructed by surrounding the assembled reinforcing bars with a concrete formwork and placing concrete in the formwork. The concrete formwork is usually formed of a plywood or metal plate and is removed and reused after the construction of the concrete wall. However, the construction and removal of the concrete formwork requires considerable effort and contributes to an increase in cost. In the case of concrete foundation walls buried in the soil, a construction method has been proposed and put into practical use in the soil together with the concrete foundation wall without removing the concrete formwork formed of metal panels. In the case of a concrete wall, a formwork attached to the concrete wall has not been put into practical use. Because it is necessary to install interior finishing panels on the inner wall facing the room or to perform wiring work, the concrete wall of the building is difficult to perform with conventional methods where the wall surface is covered with formwork. There was a risk of becoming. Further, after the concrete is placed, there is a possibility that the invading water may stain the surface of the mold and impair the appearance.
[0003]
[Problems to be solved by the invention]
The present invention does not provide a concrete wall construction method and a concrete formwork that can be used for installation of finished panels and wiring work without hindrance, and that there is no risk of the surface being contaminated with concrete exudate, and that eliminates the need to remove the formwork It is what.
[0004]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention adopts two formwork panels composed of corrugated panels having a flat inner plate joined to the inner surface, a lower end with a runner and a top end with a cap on the ceiling surface. The concrete placement space is formed by fixing and arranging at a predetermined interval while being held by a separator, and the concrete is placed in the space to form a concrete wall integrated with the formwork panel. An interior panel is attached to the outer surface of the corrugated panel constituting the outer surface of the wall to create an interior interior surface, and the groove of the corrugated panel that is partitioned by the interior panel and becomes a cylindrical space is used as a wiring space It is characterized by doing so.
[0005]
That Do from the form panel with combined contact flat internal surface plate on the inner surface of the corrugated panel forming the grooves and ridges alternately, a cap for receiving the upper end of the runner and the form panel to accept the lower end of the mold frame panel In a concrete formwork for constructing a concrete wall of a building, through-holes that are normally closed and easily opened in corrugated panels are formed at a predetermined pitch, and openings are formed in the inner plate in alignment with the through-holes. It is formed .
[0007]
A slit for screwing a screw for fixing the interior plate is formed at a predetermined pitch on the ridge of the corrugated panel.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Preferred embodiments of the present invention will be described in detail below. According to the present invention, a concrete placement space is created by a formwork panel in which a flat inner plate is joined to an inner surface of a corrugated panel formed with corrugated grooves in the vertical direction, and concrete is placed in the space. The concrete wall of the building with the concrete surface covered with the formwork panel is constructed, and the interior panel is fixed to the outer surface of the formwork panel forming the surface of the concrete wall, and the exterior surface is partitioned by the interior panel. -The concrete wall construction method of the building which used the recessed groove extended in the vertical direction of the limited formwork panel as wiring space, and the said formwork panel applied to this construction method are characterized. The formwork panel is composed of a corrugated panel having a length corresponding to the building height of the building and a flat inner surface plate joined to the inner surface of the corrugated panel. Each of the runners is fitted with a downward U-shaped cap at the upper end, and the runner and the cap are fixed to the floor and ceiling walls of the building to fix the formwork panel at a predetermined position. The cap attached to the upper end of the formwork panel can be adjusted by moving up and down according to the size of the gap between the formwork panel and the ceiling wall.
[0009]
The corrugated panel and the inner plate are formed of a thin metal plate such as a steel plate, a galvanized steel plate, or an aluminum plate. The interior panel is made of a desired material constituting the indoor wall surface of the building, such as gypsum board, wooden plywood, and upholstered panel. The width of the corrugated panel is formed to the required width. The corrugated concave and convex grooves corresponding to the horizontal width of the indoor space are aligned in the width direction and connected with connecting fittings to correspond to the indoor width. Can do. The height dimension of the corrugated panel is formed in advance at a desired length in a factory corresponding to the height of the indoor space and shipped to a construction site. The runner and the cap are mold members having a preset length, and have a groove width capable of receiving the lower end or the upper end of the mold panel which is a joined body of the corrugated panel and the inner surface plate.
[0010]
After surrounding the concrete placement space with a formwork panel, concrete is placed and a concrete wall is constructed that partitions the interior of the building. The formwork panel is integrated with the concrete wall constructed without removal and constitutes the outer surface of the concrete wall. The interior panel is fixed on the outer surface of the formwork panel integrated with the concrete wall to create the inner wall of the building. By joining the corrugated panel and the interior panel, a cylindrical space extending in the vertical direction is created on the outer surface of the formwork panel. This space can be used as a wiring space to perform desired wiring work. By joining a flat inner surface plate to the inner surface of the formwork panel, stress due to the expansion of concrete is borne by the joined body of the inner surface plate and the corrugated panel, and deformation of the formwork panel can be prevented. The formwork panel has easy-to-open holes for inserting the separator at regular intervals. The hole at the desired position is opened and the separator is inserted, and the formwork panel is set up at a required interval. -Hold and create concrete placement space. After the concrete wall is constructed, the separator is left in the concrete wall together with the formwork panel.
[0011]
【Example】
A preferred embodiment of the present invention will be described with reference to FIGS. In the figure, (1) shows a formwork panel according to the present invention, which is composed of a joined body of a corrugated panel (2) and a flat inner plate (3) as shown in FIG. The upper end of the runner (4) is fitted with a U-shaped cap (5) facing downward. The corrugated panel (2) is made of a thin galvanized steel plate with corrugated grooves (6) and ridges (7) extending in the longitudinal direction alternately in the vertical direction. It has a length corresponding to the length and a predetermined width. In the illustrated embodiment, the corrugated panel has a length of 2100 mm, a width of 600 mm, and a plate thickness of 0.4 mm, but is not limited thereto. The inner surface plate (3) is made of a galvanized steel plate having the same length, width and thickness as the corrugated panel, and is joined and integrated to the inner surface of the corrugated panel by means such as welding. The runner (4) and the cap (5) have dimensions of 2000 mm in length and 70 mm in height, and receive and hold the joined body of the corrugated panel (2) and the inner surface plate (3). The runner and cap are formed with fixed pieces (8) that can be cut and raised at predetermined intervals, and the fixed pieces (8) are attached to the floor (9) or ceiling (10) of the building with screws (11), etc. And fix the formwork panel (1) in place.
[0012]
As shown in FIG. 4, two formwork panels (1) are arranged with an interval corresponding to the thickness of the concrete wall (12), with the inner surface plates (3) facing each other, and the two formwork forms. A separator (13) spanned between the panels is inserted and held by a washer (14) and a nut (17). In order to insert the separator (13), insertion holes (15) that are normally closed and can be easily opened during use are formed in the corrugated panel at a predetermined pitch, and the easy-to-open An opening is formed in the inner surface plate in alignment with the insertion hole. A pipe holding flange (16) is fixed to the outer end portion of the separator (13) with a nut (17). The reinforcing pipe (18) is held in the horizontal direction by the pipe holding flange (16), and the form panel (1 ) Deformation is prevented. After the formwork panel (1) is installed in this way, concrete is placed in the concrete placement space defined by the formwork panel (1), and after curing, the nut (17) is unscrewed to release the pipe holding flange. Remove (16) and reinforcement pipe (18). The formwork panel (1), the runner (4), and the cap (5) remain integrated with the concrete wall that has been cast.
[0013]
After that, as shown in FIG. 5, the interior panel (19) is fixed with screws (20) to the outer surface of the formwork panel which is integrated with the concrete wall and forms the outer surface as a part of the concrete wall. The screws (20) are screwed into slits (21) formed at a predetermined pitch between the corrugated panel (2) and the ridges (7). By attaching the interior panel (19) to the outer surface of the corrugated panel (2), the concave groove (6) of the corrugated panel (2) is partitioned into a cylindrical space and used as a wiring path for wiring work. Is possible. 6 and 7 show an example of a structure for connecting the formwork panel (1) in the width direction, and FIG. 6 shows the end portions of the formwork panel (1) butted together, and the cross section is H-shaped at the butted part. The connecting member (22) is driven and joined, and FIG. 7 is a view in which the concave groove (6) and the ridge (7) of the corrugated panel (2) are overlapped and connected. . These connecting structures are merely examples, and are not particularly limited.
[0014]
【The invention's effect】
According to the present invention, a concrete wall of a building can be constructed efficiently and quickly, and the cost can be reduced.
[Brief description of the drawings]
FIG. 1 is a cross-sectional perspective view showing a construction state of a concrete wall according to the present invention. FIG. 2 is a longitudinal cross-sectional view. FIG. 3 is an exploded perspective view of a form panel. FIG. 5 is a cross-sectional perspective view of the main part showing attachment of the interior panel. FIG. 6 is a perspective view showing an example of the connection structure of the form panel. FIG. 7 is another view of the connection structure of the form panel. Perspective view showing an example [Explanation of symbols]
(1) Formwork panel
(2) Waveform panel
(3) Internal plate
(4) Runner
(5) Cap
(6) Groove
(7) Projections
(8) Fixed piece
(9) Floor surface
(10) Ceiling surface
(11) Screw
(12) Concrete wall
(13) Separator
(14) Washer
(15) Insertion hole
(16) Pipe holding flange
(17) Nut
(18) Reinforcement pipe
(19) Interior panel
(20) Screw
(21) Slit
(22) H-shaped connecting member

Claims (3)

  Two formwork panels consisting of corrugated panels with a flat inner plate joined to the inner surface are fixed to the floor with a runner at the bottom and a ceiling with the cap at the upper end and placed at a predetermined interval while being held by a separator. After forming a concrete placement space and placing concrete in the space to form a concrete wall integrated with the formwork panel, an interior panel is formed on the outer surface of the corrugated panel constituting the outer surface of the concrete wall. A method for constructing a concrete wall of a building, characterized in that an interior interior surface is created by attaching a groove, and a corrugated groove of a corrugated panel that is partitioned by the interior panel to form a cylindrical space is used as a wiring space . That Do from the form panel with combined contact flat internal surface plate on the inner surface of the corrugated panel forming the grooves and ridges alternately, a cap for receiving the upper end of the runner and the form panel to accept the lower end of the mold frame panel in concrete formwork for applying a concrete wall of buildings, normally readily form apertures capable insertion hole is closed by a predetermined pitch corrugated panel, opened in the inner plate in alignment with the insertion hole A concrete formwork characterized by forming.   The concrete formwork according to claim 2, wherein a slit for screwing a screw for fixing the interior plate is formed at a predetermined pitch on the ridge of the corrugated panel.

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