JPH0663352B2 - 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 ruler material arranged along the upper end of the mesh plate was attached to the top end of the column member, and a pair of top end ruler materials were connected by a spacing member to assemble.

[Problems to be Solved by the Invention] In the mesh formwork of the conventional example, however, the formwork forming the linear foundation can be assembled relatively easily.
There was a problem that the formwork could not be easily assembled when continuously making curved foundations at the corners.

The present invention has been made in view of the above-mentioned points, and an object of the present invention is to easily assemble a form bent at a corner and to form a straight line in a longitudinal direction of a base to be formed. It is to provide a mesh formwork that can accurately produce the accuracy.

[Means for Solving the Problems] In order to achieve the above object, the mesh formwork of the present invention forms a straight top end support member A by connecting a pair of parallel straight line ruler members 23 with a spacing member 18 and Outer ruler material 16 and inner ruler material 17
Are connected by a spacing member 18 to form a corner top support B having an L-shape, T-shape, etc., a bolt 8 is erected on the base metal fitting 7, and a nut 9 is attached to the bolt 8. The bolt 8 is inserted into the lower end of the connecting tool 11 at the lower end of the supporting pillar 2 which is screwed and erected on the base metal fitting 7 to place the lower end of the connecting tool 11 on the nut 9 and the supporting pillar 2 above and below the nut 9. The height of the base is adjustable, the corner top support B is arranged at the corner forming the foundation, and the corner top support B is attached to the upper end of the support column 2 between the adjacent corner top supports B. The straight top support A is installed, and the end of the straight top support A is overlapped and connected to the joiner 21 that extends from the end of the corner top support B.
It is characterized in that the upper end of the mesh plate 1 arranged in parallel at a predetermined interval is supported by the linear ruler member 23, the outer ruler member 16 and the inner ruler member 17.

[Function] The corner top support member B is supported and attached to the support column 2, and the straight top support member A is installed between the adjacent corner top support members B, and the corner top support member B is provided with the straight top support member B. Assembling the skeleton by supporting A, the upper end of the mesh plate 1 is a straight ruler
The mesh plate 1 can be hung and supported by the 23, the outer ruler member 16 and the inner ruler member 17, and the upper end of the mesh plate 1 can be supported straight, and even if there is a corner portion, it can be easily assembled.
Further, by rotating the nut 9 with respect to the bolt 8 and changing the height of the nut 9, the height of the support column 2 can be easily changed. The height of the top support A can be changed, and when assembling mesh forms for forming foundations of different heights, other members can be shared by simply changing the mesh plate 1. Can be assembled.

[Example] The base reinforcement 6 is composed of a straight base reinforcement 6a and a corner reinforcement 6b, which are arranged side by side on the ground on which the foundation is constructed, as shown in FIG. 5 (a). Four base metal fittings 7 are integrally provided on the corner base reinforcements 6b arranged at the corners, and the base metal reinforcements 7 are placed on the ground to float the corner base reinforcements 6b against 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. A main rebar 10 is integrally erected on the straight base reinforcement 6a and the corner base reinforcement 6b of the base reinforcement 6, as shown in FIG. 5 (b). Next, as shown in FIG. 5 (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 is composed of a straight top support member A and a corner top support member B. As shown in FIG. 3, the corner top supporting member B is an outer ruler member 16 for the angle.
The inner ruler member 17 and the inner ruler member 17 are connected to each other by a gap maintaining member 18, and a joiner 21 is formed to project from the ends of the outer ruler member 16 and the inner ruler member 17. The corner top support B includes an L-shaped corner top support B ₁ , a T-shaped corner top support B ₂ , a cross-shaped corner top support, and the like. Outside ruler material
Gate-shaped stop pin 19 between the end of 16 and the end of inner ruler 17.
, And the pin portions 19a at both ends of the stop pin 19 are inserted into the joiner 21 to connect the joiner 21. An anchor hole 20 is provided in the spacing member 18, and the joiner 21
A connection hole 21a is bored in this. In addition, straight top support A
As shown in FIG. 4 (a), a pair of angled linear ruler members 23 are arranged in parallel, and the linear ruler members 23 are attached to the spacing member 18
It is formed by connecting with a connecting member 24. Straight ruler material 23
A through hole 25 is bored at the end of the. Further, a mounting hole 35 is bored at an appropriate position of the linear ruler member 23, and a positioning pin 37 on the back surface of the anchor holding member 36 as shown in FIG. An anchor holding material 36 can be installed between the materials 23. The anchor holding member 36 is provided with an anchor hole 20, and the anchor holding member 36 is installed at an appropriate position so that the anchor bolt can be held in the anchor hole 20. As shown in FIG. 5 (d), this corner top support B is used to support the pillar 2
It is placed on the upper end of the pin 19a of the stop pin 19
It is attached by inserting it through the through hole 5. The flap supporting member 22 is substantially L-shaped and includes a vertical piece 22a, a horizontal piece 22b, and a hook portion 22c. Then, as shown in FIG. 5 (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 brought into contact with the lower pin 14b so as not to rotate. Has been. The flap corner 3 is installed so as to extend between the corners, and is mounted on the horizontal piece 22b of the flap support 22 as shown in FIG. 5 (f). As shown in FIGS. 5 (g) and 5 (h), this straight top support member A is installed between the adjacent corner top support members B so that the appropriate through holes 25 and the appropriate connecting holes 21a are aligned with each other. Insert and position the shim 26, stop the clip 27 through the appropriate connecting hole 21a and the appropriate through hole 25, and use the clip 27 to join the joiner.
After connecting 21 and the straight top support A, remove the shino 26.
At this time, the clip 27 may be replaced by bolts and nuts. Next, as shown in FIG. 5 (h), mesh plate supporting members 28 are attached to the lower corners 3 of the flap at appropriate intervals. The mesh plate supporting member 28 has a hook portion 28a at the upper end hooked on the flap angle 3, and a receiving portion 28b is provided at the lower end of the mesh plate supporting member 28. Mesh plate 1
A large number of ribs 29 oriented in the vertical direction are provided 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. As shown in FIG. 5 (i), this mesh plate 1 is inserted from above, 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 placed. Suspended and supported. A clamp tool 32 is provided on the inner surface of the straight line ruler material 23 of the straight line top support material A and the outer ruler material 16 and the inner ruler material 17 of the corner top end support material B, and these ruler materials 23, 1
The upper end of the mesh plate 1 is sandwiched between 6, 17 and the clamp tool 32 and tightened by operating the screw tool 32a to suspend and support the upper end of the mesh plate 1. 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. When the concrete hardens, contrary to the above, the straight top support member A, the corner top support member B, the flap angle 3, the pillar 2, etc. are disassembled. That is, the mesh plate supporting member 28 is removed from the lower end of the mesh plate 1 and the flap angle 3, and the upper end of the mesh plate 1 is removed from the linear ruler member 23, the outer ruler member 16 and the inner ruler member 17, and the clip 27 is removed. The straight top end support A is removed, then the flap angle 3 is removed, the flap support 22 is removed, the corner top support B 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, according to the present invention, a corner top support member is arranged at a corner portion forming a foundation, the corner top support member is attached to the upper end of a support, and a straight line is provided between adjacent corner top support members. The top of the top support is installed and the end of the straight top support is overlapped and connected to the joiner that extends from the end of the corner top support, and the mesh plates are arranged in parallel at a predetermined interval. Since the upper end is supported by the straight ruler material, outer ruler material, and inner ruler material, it can be easily assembled even with a formwork that forms a cornered foundation, and the upper end of the mesh plate is straight ruler material. The length of the foundation formed by being able to support it straight with the outer and inner ruler materials and the inner ruler material gives the accuracy in the length direction.In addition, the bolt is erected on the base metal fitting and the nut is screwed to the bolt to form the base. The lower end of the pillar standing on the metal fittings Since the bottom of the connecting tool is inserted into the nut by inserting a bolt into the lower part of the connecting tool, and the height of the support pillar is adjustable above and below the nut, when the height of the foundation to be constructed changes, The height of the corner top support and the straight top support can be adjusted simply by adjusting the nuts to adjust the height of the stanchions, and different heights can be easily adjusted by preparing mesh plates with different heights. It is possible to assemble the mesh formwork that forms the basis of the sand.

[Brief description of drawings]

1 is a perspective view of an embodiment of the present invention, FIG. 2 is a sectional view of the same as above, and FIGS. 3 (a) and 3 (b) are a plan view and a side view of a corner top support member of the same, and FIG. FIG. 4A is a plan view of the linear top support member of the above, FIG. 4B is a perspective view of the anchor holding member, and FIGS. 5A to 5I are perspective views showing the assembling procedure of the above. A is a straight top support material, B is a corner top support material, 1 is a mesh plate, 2 is a pillar, 16 is an outer ruler material, 17 is an inner ruler material, 18 is a spacing member, and 23 is a straight ruler material. Is.

Claims (1)

[Claims] Claim: What is claimed is: 1. A pair of parallel straight ruler members are connected by a spacing member to form a straight top support member, and parallel outer ruler members and inner ruler members are connected by a spacing member to form an L shape. , T-shaped corner top support material is formed, the bolt is erected on the base metal fitting, the nut is screwed to the bolt, and the connecting tool at the lower end of the support pillar erected on the base metal fitting is Insert the bolt in the lower part and place the lower end of the connecting tool on the nut, and make the height of the column adjustable above and below the nut, and place the corner top support material in the corner part that forms the foundation. Attach the corner top support material to the upper end, install the straight top support material between the adjacent corner top support materials, and connect the end of the straight top support material to the joiner extending from the end of the corner top support material. The upper and lower parts of the mesh plates, which are placed in parallel and are separated by a predetermined distance, are connected directly. Mesh frame, characterized by comprising supporting the ruler member and outer rulers material or inner ruler material.