JPH0663353B2 - Mesh formwork - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a mesh formwork assembled using a mesh plate.

[Prior Art] In a conventional mesh formwork, a pair of mesh plates are arranged so as to face each other, and the mesh plates are fixed to column members standing upright on the inner surface sides of the mesh plates facing each other. The top end support member arranged along the upper end of the mesh plate is attached to the upper end of the column member, and the pair of top end support members are connected by the spacing member to assemble.

[Problems to be Solved by the Invention] However, in such a conventional example, a mesh plate is fixed to a support member erected on the inner side surface of the mesh plate to hold the mesh plate, and concrete is poured. At this time, since the pillar member is buried in the concrete, the pillar member cannot be reused, and there is a problem that the member is wasted,
Further, in order to support the load applied from the concrete by the mesh plate, there is a problem that the mesh plate has to be fixed to the strut member at many places and it takes time and effort for the construction.

The present invention has been made in view of the above-mentioned points, and the object of the present invention is to easily support the mesh plate and to repeatedly use the pillars, the top end support member, and the flank angle to waste members. Another object of the present invention is to provide a mesh formwork that can be eliminated and can reliably support the load applied to the mesh plate from the concrete when the concrete is placed.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the mesh formwork of the present invention has a pair of mesh plates 1 arranged so as to face each other.
Attach the flap angle 3 to the column 2 that is erected outside the
Supports the outer surface of the mesh plate 1 and arranges the top end support members 4 above each mesh plate 1 and connects the top end support members 4 to the support columns 2 to provide a clamp provided on the top end support members 4. The upper end of the mesh plate 1 is sandwiched between the tool 32 and the top end support member 4 and tightened and supported by the screw tool 32a, and the upper end of the mesh plate support member 28 is hooked on the flap angle 3 and the lower end of the mesh plate support member 28. The lower end of the mesh plate 1 is placed on the receiving portion 28b provided in the above, and the lower end of the mesh plate 1 is suspended and supported.

[Operation] The mesh plate 1 can be supported by the support columns 2 through the top end supporting member 4 and the flap angle 3, so that the mesh plate 1 can be surely supported, and when the concrete is placed between the mesh plates 1, it is embedded in the concrete. It is possible to eliminate unnecessary members, and furthermore, the mesh plate 1 can be attached only by suspending the mesh plate 1 on the top end supporting member 4 and the flap corner 3, and after the concrete is cast and the concrete hardens. By disassembling the formwork, the pillar 2, the top end support member 4, and the flap corner 3 can be repeatedly used.

[Example] The base reinforcement 6 is composed of a linear base reinforcement 6a and a corner base reinforcement 6b, which are arranged side by side on the ground on which the foundation is constructed, as shown in Fig. 3 (a). Four base metal fittings 7 are integrally provided on the corner base reinforcements 6b arranged at the corners, and the base metal fittings 7 are placed on the ground to make the corner base reinforcements 6b float on the ground. By connecting the end of 6a to the corner base reinforcement 6b, the straight base reinforcement 6a is also floated on the ground. A bolt 8 is erected on each base metal fitting 7, and a nut 9 is screwed onto the bolt 8. On the straight base reinforcement 6a and the corner base reinforcement 6b of the base reinforcement 6, a main reinforcing bar 10 is integrally erected on the base reinforcement 6a as shown in FIG. 3 (b). Next, as shown in FIG. 3 (c), an inverted frustoconical tubular connector 11 is placed on the base metal 7, and the support 2 is erected on the connector 11. When attaching the connecting tool 11 to the base metal fitting 7, the bolt 8 is inserted from the lower end opening of the connecting tool 11 and the lower end of the connecting tool 11 is placed on the nut 9. At this time, the height of the connector 11 can be adjusted by adjusting the height of the nut 9. The flange 12 at the upper end of the connecting tool 11 and the flange 13 at the lower end of the support column 2 are overlapped with each other and connected by bolts and nuts 34. A plurality of sets of pins 14a, 14b are provided on the outer surface of the support column 2 as a set of a pair of upper and lower pins 14a, 14b, and fixing pieces 15 are provided on the upper end of the support column 2 in two directions. There is. The top support member 4 is composed of a straight support member 4a and a corner support member 4b. The corner support member 4b connects the projecting corner member 16 and the entering corner member 17 with a spacing member 18 to form the projecting corner member 16b.
Also, the joiner 21 is formed so as to project from the end of the corner member 17. Gate-shaped stop pins 19 are provided at the ends of the projected corner material 16 and the entrance corner material 17, and the pin portions at both ends of the stop pin 19 are inserted into the joiner 21 to connect the joiner 21. There is. The spacing member 18 is provided with an anchor hole 20, and the joiner 21 is formed with a connecting hole 21a. As shown in FIG. 3 (d), this corner support member 4b is arranged on the upper end of the column 2, and is attached by inserting the pin portion of the stop pin 19 into the through hole of the fixing piece 15. The flap support 22 is approximately L
It is V-shaped and includes a vertical piece 22a, a horizontal piece 22b, and a hooking portion 22c. Then, as shown in FIG. 3 (e), the hooking portion 22c of the flap supporting member 22 is hooked and locked by the upper pin 14a, and the lower portion of the vertical piece 22a is attached to the lower pin 14b so as not to rotate. Has been. The flap corner 3 is installed so as to extend between the corner portions, and is mounted on the horizontal piece 22b of the flap support member 22 as shown in FIG. 3 (f). The straight support member 4a of the top support member 4 is a spacing member between the pair of angles 23.
It is formed by bridging 18 and a connecting member 24, and a through hole 25 is bored at the end of the angle 23. As shown in FIGS. 3 (g) and 3 (h), the linear support member 4a is installed between the adjacent corner support members 4b, and the appropriate through hole 25 and the appropriate connecting hole 21a are aligned with each other. After being inserted and positioned, the clip 27 is stopped by inserting the clip 27 into the appropriate connecting hole 21a and the appropriate through hole 25, and the joiner 21 and the linear support member 4a are connected by the clip 27, and then the shino 26
Remove. Next, as shown in FIG. 3 (h), mesh plate supporting members 28 are attached to the lower flank corners 3 at appropriate intervals. This mesh plate supporting member 28 has a hook portion 28a at the upper end hooked on the flap angle 3, and the mesh plate supporting member 2
The lower end of 8 is provided with a receiving portion 28b. The mesh plate 1 is provided with a large number of ribs 29 oriented in the vertical direction at appropriate intervals.
The rib 29 is formed by a seam when a large number of mesh materials are joined together by a seam connection. Reinforcing materials 31 are provided on the upper and lower ends of the mesh plate 1 as required. This mesh plate 1 is inserted from above as shown in FIG. 3 (i),
Along the inner surface of the flap angle 3, the lower end of the mesh plate 1 is placed on the receiving portion 28b, and the lower end of the mesh plate 1 is suspended and supported. A clamp tool 32 is provided on the inner surface of the angle 23 of the top end support member 4, and the upper end of the mesh plate 1 is sandwiched between the angle 23 and the clamp tool 32 and tightened by operating the screw tool 32a. The upper end of is suspended and supported. After mounting the mesh plate 1 in this manner, the footing mold 33 is assembled so as to surround the base muscle 6 as shown in FIG. Anchor bolts are inserted into and supported by the anchor holes 20.

The mesh formwork is assembled as described above, and concrete is placed in the footing formwork 33 and between the mesh plates 1 to form the foundation. In the footing, concrete is cast up to the upper end of the footing formwork 33, and the mesh plate 1
Between them, the mesh plate 1 is driven up to the upper end. When the concrete hardens, the base reinforcement 6 and the main reinforcement are
10, the base metal fitting 7 and the connecting tool 11 are embedded, and the mesh plate 1 is integrated on the surface. Contrary to the above, when the concrete hardens, the top end support 4, the flap 3, the pillar 2, etc. are disassembled. That is, the mesh plate support member 28 is removed from the lower end of the mesh plate 1 and the flap angle 3, the upper end of the mesh plate 1 is removed from the top end support member 4, the clip 27 is removed, and the linear support member 4a is removed. Next, the flap angle 3 is removed, the flap support 22 is removed, the corner support 4b is removed, and then the column 2 is removed. When removing the column 2, the bolts and nuts 34 are removed to disconnect the connection tool 11 and the column 2. After the concrete hardens, the removed members are repeatedly used again.

[Effects of the Invention] As described above, the present invention arranges a pair of mesh plates so as to face each other, and attaches a flank angle to a pillar standing upright on the outer side of the mesh plate to support the outer surface of the mesh plate at the flank angle. Then, the top end support material is arranged above each mesh plate, this top end support material is connected to the above-mentioned support, and since the mesh plate is suspended and held at the top end support material and the flap angle, It can be supported on the pillars via the top support and the corners and can reliably support the mesh plates, and when concrete is placed between the mesh plates, the members are repeated without being embedded in the concrete. Since it can be used and waste of the members is not possible, the upper end of the mesh plate is sandwiched between the clamp tool provided on the top support member and the top support member, and it is tightened and supported by the screw tool. Top end It can be attached by sandwiching it between a holding material and a clamp tool by operating a screw tool, and the upper end of the mesh plate can be easily supported by the top end support member and the top end support member of the upper end of the mesh plate. It can also be easily removed from the mesh plate, and the upper end of the mesh plate support is hooked at the flap angle, and the lower end of the mesh plate is placed on the receiving part provided at the lower end of the mesh plate support so that the lower end of the mesh plate is Since it is suspended and supported, the lower end of the mesh plate can be suspended and supported by the mesh plate support material, and the lower end of the mesh plate can be easily supported and the lower end of the mesh plate can be easily removed. Since the lower end is placed on the receiving portion of the mesh plate supporting member and suspended and supported, it is possible to reliably support even a heavy mesh plate.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a cross-sectional view of the same as above, and FIGS. 3 (a) to (i) are perspective views showing an assembling procedure of the same, where 1 is a mesh plate. 2 is a pillar, 3
Is a flap angle, 4 is a top support material, 28 is a mesh plate support material, 28
b is a receiving part, 32 is a clamp tool, and 32a is a screw tool.

Claims (1)

[Claims] 1. A pair of mesh plates are arranged so as to oppose each other, a sloping angle is attached to a pillar standing on the outside of the mesh plate, and the outer surface of the mesh plate is supported by the sloping angle. Place the top end support member on the upper side and connect the top end support member to the above-mentioned pillar, and sandwich the upper end of the mesh plate between the clamp member provided on the top end support member and the top end support member and use it as a screw tool. The upper end of the mesh plate support is hooked to the flap angle and the lower end of the mesh plate is placed on the receiving part provided at the lower end of the mesh plate support to suspend and support the lower end of the mesh plate. A characteristic mesh formwork.