JPH0647876B2 - Formwork - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a formwork in which concrete is poured to construct a retaining wall, for example.

[Conventional technology]

Usually, when pouring concrete to construct a retaining wall, for example, a formwork is used. As the conventional technology of this formwork,
Panels are arranged in the left-right direction, and the panels are piled up to a predetermined height on the arranged panels, and the set intervals of the opposing panels are held by a separator, and the vertical flaps and horizontal flaps arranged vertically and horizontally on the front side of the panel are described above. A washer is fitted to the connecting rod connected to the separator and is supported by a nut to be screwed in or a wedge to be driven.

[Problems to be Solved by the Invention]

Since the panels are stacked and the separators are installed to maintain the space between the panels facing each other and the vertical and horizontal flaps are arranged vertically and horizontally and are supported by the connecting rods that are connected to the separators, it takes a great deal of time to assemble and it cannot be assembled by an amateur. , A formwork carpenter is required.

Therefore, there is a problem that causes an increase in cost.

[Means for Solving the Problems]

In order to solve the above problems, the present invention is a metal series seat frame that can adjust the facing interval of the front and rear long parts that are parallel in a rectangle, and both long parts of the series seat frame. At least the upper and lower ends of each pillar are supported respectively, and at least the upper and lower ends located in the front and rear are connected by a connecting member. A grooved member having a groove, a panel for series in which both end edges are fitted and supported by grooved members of left and right pillar members, a facing interval between front and rear long parts parallel to each other in a plane L shape, and both sides of the front long part The metal seat frame for corners, whose length can be adjusted, supports the lower ends on the corners and both ends of both elongated parts of the seat frame for corners, and connects at least the upper and lower comers located at the front and rear. Adjustable expansion and contraction connected by members Metal pillars and side groove type members that have grooves on both sides that are detachably attached between the top and bottom surfaces of the pillar materials on both sides, and grooves on both sides that are detachably attached between the top and bottom surfaces of the center pillar material. It is composed of a planar L-shaped center groove shape member and a corner panel having both side edges fitted and supported in opposite grooves of the side groove shape member and the center groove shape member.

[Action]

For example, when building an L-shaped retaining wall, corner seat frames are arranged at the corners on the building line, and serial seat frames are arranged in series from both ends of the corner seat frame, and then the upper ends of the corner seat frames are connected to each other by connecting members. A pair of front and rear column members connected to each other are erected on the corner seat frame and the series seat frame.

After that, grooved material is used for the entire surface length of each column member of the series seat frame, side groove members are used for the entire length of the column member surface on both sides of the corner seat frame, and the total surface length of the center column member of the corner seat frame is further increased. Center groove sections are attached respectively to the left and right parallel groove sections, and then both ends of the series panel are fitted and supported in the opposite grooves of the left and right parallel groove sections. Both end edges of the panel for corners are fitted and supported, and further both end edges of the panel for corner are fitted and supported in the opposite grooves of the left and right parallel side groove shape members and the center groove shape material.

Then, concrete is placed between the front and rear series panels and the corner panels.

In addition, after hardening the placed concrete, the panel for series,
Collect the corner panel and square groove template.

〔Example〕

In the figure, reference numeral 1 is a rectangle and front and rear long portions 2 and 2 which are parallel
Is a metal seat frame for series that can adjust the facing interval.

As a method of adjusting the facing distance between the long portions 2 and 2 of the series seat frame 1, as shown in FIG. 6, the short portions 3 protruding inwardly from both ends of both the long portions 2 and 2 are shown. 3 are piled up and down, and the predetermined holes 4 provided at equal intervals in the entire upper surface of the lower short portion 3 and the protruding shafts 5 provided at the lower end of the upper short portion 3 are fitted. Although they are performed together, they may be performed by other methods.

Further, at least both ends of both long portions 2 and 2 of the series seat frame 1 are provided with a metal pillar 6 that can be expanded and contracted so as to stand upright.

In the illustrated case, the pillar member 6 is erected by the standing protrusion shaft 7 provided on the series seat frame 1 and the hole 9 provided in the seat portion 8 at the lower end of the pillar member 6.
Although they are fitted with each other, a method such as bolting may be adopted.

Further, in the method of adjusting the expansion and contraction of the pillar member 6, in the illustrated case, the middle of the pillar member 6 is cut off, and the plate-like body 10 protruding from the cut end of the one pillar member 6 is replaced by the back step 11 of the other pillar member 6. In addition, the holes 12 provided in the stepped portion 11 and the projecting shafts 13 provided in the plate-shaped body 10 are fitted together.

Also, at least the upper ends of the two pillar members 6, 6 located at the front and rear are connected.

In the above-mentioned connection, the projecting plate 14 is projected from the column member 6 so that the projecting plate 14 is vertically overlapped with the one projecting plate 1 in the same manner as the series seat frame 1.
4, the holes 15 provided at equal intervals in the entire length and the protruding shafts 16 provided on the other protruding plate 14 are fitted together.

Although only the upper end of the pillar member 6 is connected in the illustrated case, the upper end and the middle may be connected.

Further, a removable groove member 17 is provided on the entire surface of each pillar member 6.

The groove of the groove type member 17 is provided on both sides, and the pillar member 6
The bolt 18 protruding from a predetermined position on the surface of the
Although the nut 20 is inserted through the through hole 19 and screwed into the bolt 18, the nut 20 may be detached, but it may be detachable by another detaching method.

Reference numeral 25 denotes a metal seat frame for corners capable of adjusting the facing distance between the front and rear long portions 26, 26 arranged in parallel in a plane L shape and the lengths of both sides of the front (outer corner side) long portion 26. .

As shown in FIG. 8, the length adjustment of both sides of the front long portion 26 of the corner seat frame 25 is performed by separating the middle portion and the plate-like body 27 protruding from the cut end of the one long portion 26 on the other side. The holes 29 at equal intervals along the entire length of the stepped portion 28 and the projecting shafts 30 provided on the lower surface of the tip end of the plate-shaped body 27 are fitted together while being superposed on the upper surface stepped portion 28 of the elongated portion 26. As shown in FIG. 8, the method of adjusting the facing distance between the two long portions 26, 26 is such that the short portions 31, 31 protruding from both ends of the both long portions 26, 26 are overlapped with each other, and
The protruding plates 32 projecting from each other from the corner portions of 26 are overlapped with each other, and the holes 33 at equal intervals provided on the entire length of the upper surface of the one short portion 31 and the protruding plate 32 and the lower end of the other short portion 31 and the protruding plate 32. Although it is carried out by fitting it with the protruding shaft 34 of the part, it may be carried out by other methods.

In addition, on the both ends of the front long portions 26, 26 of the corner seat frame 25 and on the corner portion, it is possible to adjust the expansion and contraction of the metal column member 3.
5 are erected.

The same method as that of the front and rear pillar members 6 is adopted for the standing and expansion and contraction adjustment of the pillar members 35.

Further, at least the upper ends of the two pillar members 35, 35 located at the front and rear are connected.

The above-mentioned connecting method adopts the same method as the pillar 6.

In addition, a side groove type material 36 having grooves on both sides is formed over the entire surface length of each pillar material 35 located on both sides, and a flat L-shaped surface having grooves on both sides is formed on the entire surface length of both pillar materials 35 located at the center. Center groove members 37 are detachably attached.

As a method of attaching the side groove shape member 36 and the center groove shape member 37, the same method as that of the groove shape member 17 is adopted.

Reference numeral 38 denotes a corner panel in which both end edges are fitted in the grooves of the side groove shape member 36 and the center groove shape member 37 which are arranged side by side.

The above-mentioned corner panel 38 includes one as shown in FIG. 9 and one as a set of a large number of sheets sequentially stacked as shown in FIG.

Further, the groove type material 17, the side groove type material 36, the center groove type material 37
After fitting both end edges of the panel 21 and the corner panel 38 into the groove, the bolt 2 with the holding plate 22 so as to press the panel 21 and the corner panel 38 to one side of the groove.
3 through, and bolt 23 slides into nut 23 '
It is designed to be rotated.

Although the front pillar members 6 and 35 are inclined in the illustrated case, they may be vertical.

When a large number of panels 21 are added upward, both ends of a horizontal grooved member 17 'are attached to the column member 6 and upper and lower edges of the panel 21 are fitted in the upper and lower grooves of the horizontal grooved member 17'. All you have to do is support it.

Next, a method of using the above-configured formwork will be described.

First, the corner seat frame 25 is placed on the corner portion of the construction line of the retaining wall, for example, which is abandoned concrete, and the serial seat frames 1 are sequentially placed so as to be lined up linearly from the corner seat frame 25.

Next, the column members 6 and 35 are erected on the series seat frame 1 and the corner seat frame 25.

The column members 6 and 35 at the abutting portions of the in-line seat frame 1, the corner seat frame 25, and the in-line seat frame 1 are erected so as to straddle the abutting portions.

After that, the groove material 17 is applied to the pillar material 6, and the corner seat frame 25
Side groove members 36 are attached to the pillar members 35 located on the sides of the columns, and center groove members 37 are attached to the pillar members 35 located in the center, and both end edges of the series panel 21 are arranged in parallel with the grooves of the groove members 17 arranged in parallel. The groove between the grooved member 17 and the side grooved member 36 is fitted with the both end edges of the series panel 21, and the groove between the side grooved member 36 and the center grooved member 37 arranged in parallel is fitted with the both end edges of the corner panel 38 from above and dropped. Then, concrete is poured between the panels 21 for series connection and between the corner panels 38.

When the poured concrete hardens, the pillars 6, 3
5, the groove-shaped material 17, the side groove-shaped material 36, and the center groove-shaped material 37 are removed, and the groove-shaped material 17, the side groove-shaped material 36,
The series panel 21 and the corner panel 38 are collected together with the center groove template 37.

In addition, the series seat frame 1, the corner seat frame 25, the pillar members 6, 3
No. 5 is buried in concrete.

〔effect〕

As described above, by using the formwork according to the present invention, the vertical flaps and the horizontal flaps are arranged in the separator and the vertical and horizontal directions, and the connecting rods of the separators face each other without supporting the vertical flaps or the horizontal flaps. The panel and the corner panel can be held.

Therefore, even an amateur can easily arrange each panel, and the construction period can be significantly shortened.

In addition, since the facing interval of the parallel long portions of the series and corner seat frames can be freely adjusted, and the standing pillar members can be expanded and contracted,
Adjustments can be made according to the thickness and height of the concrete wall.

[Brief description of drawings]

The drawings show an embodiment of a mold according to the present invention.
The figure is a front view, FIG. 2 is a transverse plan view of the same as above, FIG. 3 is a longitudinal side view of the same, FIG. 4 is a side view of a pillar material, FIG. 5 is a perspective view of the same as above, and FIG. FIG. 7 is a perspective view of the frame, FIG. 7 is a plan view of a corner seat frame, FIG. 8 is an exploded perspective view of the same, FIG. 9 is a front view of a corner portion, FIG. 10 is a cross-sectional plan view of the same, and FIG. Is a partially cutaway front view of the corner panel, FIG. 12 is a perspective view of the corner panel, and FIG. 13 is a front view showing a usage state of the same. 1 ... Series seat frame, 2 ... Long part, 3 ... Short part, 4 ... Hole, 5 ... Projection shaft, 6 ... Pillar material, 7 ... Projection shaft, 8 ... Seat part, 9 ... Hole, 10 ... Plate, 11 ... Step, 12 ... Hole, 13 ... Projection shaft, 14 ... Projection plate, 15 ... Hole, 16 ... Projection shaft, 17 ... Groove Mold material, 21 ... Panel, 25 ... Corner seat frame, 26 ... Long section, 27 ... Plate, 28 ... Step section, 29 ... Hole, 30 ... Projection shaft, 31 ... Short section Part, 32 ... Projection plate, 33 ... Hole, 34 ... Projection shaft, 35 ... Pillar material, 36 ... Side groove shape material, 37 ... Center groove shape material, 38 ... Corner panel.

Claims (1)

[Claims] Claims: 1. A metal series seat frame in which the opposing intervals of front and rear long parts that are rectangular and parallel to each other can be adjusted, and lower ends on at least both ends of both long parts of the series seat frame, respectively. A pillar member made of a metal which is supported and at least the upper ends of which are located at the front and rear sides and which can be adjusted by expansion and contraction, and a groove member having grooves on both sides which are detachably attached between the upper and lower surfaces of the pillar member. Adjusting the opposing panel of the front and rear long parts and the lengths of both sides of the front long part, which are parallel to each other in the plane L shape, and the series panel in which both edges are fitted and supported by the groove parts of the left and right pillars. Adjustable expansion and contraction by connecting a metal seat frame for corners and lower ends on the corners and both ends of both long parts of this seat frame, and connecting at least the upper and lower front ends with a connecting member. And a solid metal pillar material A side groove type member having grooves on both sides detachably mounted between the upper and lower surfaces of a column member and a center L type center groove member having grooves on both sides detachably mounted between the upper and lower surfaces of a center column member , A frame comprising a side panel and a corner panel having both end edges fitted and supported in opposing grooves of a center channel template.