JP2020109243A - Form support tool - Google Patents

Abstract

To provide a form support tool that allows an internal form to be easily raised in setting up a steel form in placing base concrete, and can be repeatedly used.SOLUTION: A form support tool 10 comprises: an internal form support part 22 in contact with both top surfaces 18a, 20a of an external form 18 and an internal form 20; and an internal form attachment part 24 extended downward from the internal form support part 22 on the internal form 20 side. The internal form attachment part 24 is provided with fitting holes 28. The internal form 20 is attached to the internal form attachment part 24 by fitting protrusion parts 26 of the internal form 20 into the fitting holes 28 of the internal form attachment part 24. Thereby, a form 16 with the internal form 20 raised can be easily set up. In addition, the form support tool 10 can be repeatedly used.SELECTED DRAWING: Figure 3

Description

TECHNICAL FIELD The present invention relates to a mold support tool for supporting a steel mold at the time of pouring concrete.

In the foundation work of a building, a method of pouring the foundation concrete is divided into a bottom plate (slab) portion and a rising portion of the foundation, and a method of integrally pouring the bottom plate and the rising portion at one time is used.

As a method of integrally driving the bottom plate and the rising edge at once, a method for attaching a temporary frame of a wood-based cloth foundation concrete rising part to be attached to a wooden form has been conventionally provided (for example, Patent Document 1).

JP-A-51-15527

The temporary frame mounting method of the wood-based cloth foundation concrete rising part of Patent Document 1 is one temporary frame of the foundation concrete installation part when installing the temporary frame for installing the cloth foundation concrete rising part in the construction of the wood-based building ( Attach a temporary frame plate to the upper end surface of the external formwork by bolting, etc., then extend this frame plate and place it on the outer surface part of the other temporary frame (internal formwork) of the foundation concrete installation part and nail it. It is made to adhere by hitting, etc., and a temporary frame of the rising part of the basic concrete is attached. By placing the formwork (internal formwork) installed inside the rising part of the foundation concrete in a floating manner, the foundation concrete with the rising part can be placed by mounting the formwork once, saving labor. be able to. Moreover, since the temporary frame plate can be repeatedly used, the construction cost of the formwork can be reduced.

At present, steel forms that can be removed after casting and can be used repeatedly are provided as the formwork used for foundation concrete placement.A temporary frame plate that is attached to the steel formwork by bolting or nailing. Was not easy to install. Therefore, when mounting a stand-up formwork, a support metal fitting (a base of the inner formwork) for floating the inner formwork is used. Since the support metal fittings are fixed to abandoned concrete and are placed with the internal formwork being supported, they are buried in the bottom plate after the placement. Since the support metal fittings are consumable items that can be used only once, the formwork work using the steel formwork requires construction costs.

It is an object of the present invention to provide a mold support tool that allows the inner mold to be easily floated when a steel mold is installed in the placement of basic concrete and can be repeatedly used.

The formwork support tool of the present invention is a tool for supporting a steel formwork used for pouring a bottom plate and a foundation concrete for placing a rise at one time, and is applied to both upper surfaces of an outer formwork and an inner formwork. An internal formwork support part that is in contact with the internal formwork support part that extends downward from the internal formwork support part on the internal formwork side. Providing a projection that fits into the hole or the fitting hole of the internal formwork, fit the internal formwork mounting part and the projection part of the internal formwork to the fitting hole, and attach the internal formwork to the internal formwork mounting part. The inner frame is floated by abutting and mounting the frame support on the outer frame and the inner frame.

When installing a formwork for foundation concrete pouring using the formwork support tool of the present invention, since the formwork support tool can be removed after the completion of pouring, the formwork support tool can be repeatedly used, It is possible to reduce the construction cost of formwork using steel formwork.
Also, since the bolts and nails are not used to attach the formwork support tool to the steel outer formwork and the steel inner formwork, it is extremely easy to install and remove the formwork support tool It is possible to save labor.

It is a figure showing the structure of the formwork support tool of this invention. It is a figure showing the use condition of the formwork support tool of FIG. It is an AA sectional view of Drawing 2 (b). It is a figure showing other structures of the formwork support tool of the present invention. It is a figure showing the use condition of the formwork support tool of FIG. It is a figure showing other structure of the formwork support tool of this invention, and a use condition.

INDUSTRIAL APPLICABILITY The present invention realizes that a steel formwork for placing a concrete foundation can be assembled by a simple work.

The form support tool of the present invention will be described with reference to the drawings. 1A and 1B are views showing the structure of a formwork support tool of the present invention. FIG. 1A is a front view of the formwork support tool, and FIG. 1B is a right side view. 2A and 2B are views showing a usage state of the formwork support tool in FIG. 1, FIG. 2A is a view showing an internal formwork before mounting the formwork support tool, and FIG. It is a figure showing the internal formwork of. FIG. 3 is a cross-sectional view taken along the line AA of FIG.
FIG. 3 is a diagram of the foundation work by the solid foundation integrated casting method of placing the bottom plate and the rising at once, and is a diagram showing the assembly of the formwork of the outer peripheral portion forming the rising. Further, in the present application, the external formwork is assumed to be installed on abandoned concrete (so-called waste concrete) before installation of the inner formwork (not shown).
A formwork support tool 10 of the present invention is a tool for supporting a steel formwork 16 of a rise 14 used for placing a concrete foundation for placing a base 12 of a foundation and a rise 14 (a rising portion of the foundation) at once. Yes (Fig. 3). The rising formwork 16 is composed of an outer formwork 18 and an inner formwork 20.
The formwork support tool 10 includes an inner formwork support part 22 that contacts both upper surfaces 18a and 20a (top ends) of the outer formwork 18 and the inner formwork 20, and an inner formwork support part 22 on the inner formwork 20 side. It is composed of an internal form fitting portion 24 extending downward (FIGS. 1 and 3).
When the protrusion 26 is provided on the front surface 20b of the internal formwork 20 (the backside of the surface forming the cast frame) (FIG. 2A), the internal formwork mounting portion 24 is provided with the internal formwork 20. A fitting hole 28 that fits into the protrusion 26 is provided (FIG. 1, FIG. 2B, FIG. 3). In the formwork support tool 10 of FIG. 1, two fitting holes 28 are provided.
The fitting hole 28 of the internal form fitting part 24 and the projection part 26 of the internal form 20 are fitted together, and the internal form 20 is mounted on the internal form fitting part 24 (FIGS. 2 and 3). Thereby, the inner mold 20 can be floated and the mold 16 can be installed (FIG. 3). Further, the fixing means 29 may be used to fix the inner formwork support 22 to the outer formwork 18 (FIGS. 1 and 3).

The protrusion 26 of the internal form 20 of the above embodiment will be described with reference to FIGS. 2 and 3. The steel mold 16 shown in FIGS. 2 and 3 is a mold made by NSP Co., Ltd. (external mold 18 “S3 type panel S3-80 910 panel”, internal mold 20 “S2 type panel”. S2-45 910 panel"), and the mold 16 is provided with a mold connecting fitting 30, a pin-like fitting 32, and a reinforcing plate 34.
In FIG. 2A, the two inner molds 20 are connected with U-shaped mold connecting fittings 30 (pins) sandwiching and fixing the adjacent vertical sides 20c of the inner molds 20. ing. One end of the mold connection fitting 30 is continuous with a pin-shaped fitting 32 that moves the form connection fitting 30 left and right. Both ends of the pin-shaped metal fitting 32 are fitted into a fitting hole 20d provided in the vertical side 20c of the internal formwork 20 and a fitting hole 34a provided in the reinforcing plate 34, respectively. When the mold connection fitting 30 connects the inner mold 20, the pin-shaped fitting 32 is fixed to the vertical side 20c of the inner mold 20, and the tip 26 of the pin-shaped fitting 32 has a fitting hole for the inner mold 20. It projects from 20d (FIG. 2(a)). In this way, the protrusion 26 is formed on the internal form 20 of FIG. When the fitting hole 28 of the internal form fitting part 24 of the form supporting tool 10 of FIG. 1 and the projection part 26 of the internal form 20 are fitted, the internal form 20 is attached to the internal form fitting part 24 ( FIG. 2B). When the inner formwork support 22 of the formwork support tool 10 with the inner formwork 20 is brought into contact with both upper surfaces 18a, 20a of the outer formwork 18 and the inner formwork 20, the inner formwork 20 is floated. The formwork 16 can be installed with (FIG. 3). The contact portion between the outer mold 18 and the inner mold support 22 is fixed by the fixing means 29 (FIG. 3).
In the mold 16 of FIG. 3, both upper surfaces 18a and 20a of the outer mold 18 and the inner mold 20 are located at the same height. Further, in the present embodiment, the inner formwork 20 is attached to the inner formwork mounting portion 24 with the inner formwork support portion 22 being in contact with the upper surface 20a of the inner formwork 20 (see FIG. 2B. )), By bringing the inner formwork support 22 into contact with the upper surface 18a of the outer formwork 18, the formwork 16 can be installed with the inner formwork 20 floating.

Next, the installation of the mold 16 when the inner mold 20 is provided with a fitting hole will be described with reference to FIG. 4A and 4B are views showing another structure of the formwork support tool of the present invention, FIG. 4A is a front view of the formwork support tool, and FIG. 4B is a right side view. 5A and 5B are views showing a usage state of the formwork supporting tool of FIG. 4, FIG. 5A is a view showing an internal formwork before mounting the formwork supporting tool, and FIG. 5B is a view after mounting the formwork supporting tool. It is a figure showing the internal formwork of.
The internal formwork support 22 and the internal formwork mount 24 that form the formwork support tool 36 of FIGS. 4 and 5 are the internal formwork support 22 and the internal formwork mount 24 of the formwork support tool 10. Since it is the same as, the detailed description will be omitted.
The mold support tool 36 is provided with a protrusion 38 instead of the fitting hole 28 of the mold support tool 10 (FIG. 4). The internal formwork 20 of FIG. 5 has a reinforcing plate 40 provided on the surface 20b. A fitting hole 40a is formed in the reinforcing plate 40 (FIG. 5A). The inner formwork 20 is attached to the inner formwork mounting part 24 by fitting the protrusion 38 of the inner formwork mounting part 24 of the formwork support tool 36 and the fitting hole 40a of the inner formwork 20 ( FIG. 5B). The inner mold frame support 22 is brought into contact with both upper surfaces 18a, 20a (top ends) of the outer mold 18 and the inner mold 20. This allows the mold 16 to be installed with the inner mold 20 floating.

6A and 6B, a fitting hole 28 of the mold supporting tool 10 and a protrusion 38 of the mold supporting tool 36 are formed in the internal mold mounting portion 24. May be provided.
When the reinforcing plate 34 of the internal formwork 20 of FIG. 2 is provided with the fitting hole 34a and the fitting hole 34b other than the fitting hole 34a, the protrusion 38 of the formwork supporting tool 42 and the fitting hole 34b are By fitting, the inner formwork 20 can be attached to the formwork support tool 42. In the case of the internal formwork 20 in which the fitting hole 34b is provided, the formwork support tool 42 can be attached to either the protrusion 26 of the internal formwork 20 or the fitting hole 34b (FIG. 6C). Since the assembling of the formwork 16 using the frame support tool 42 can shorten the assembling work time as compared with the assembling of the formwork 16 which uses two types of formwork support tools 10 and 36 properly, the construction period of the formwork construction is shortened. Is possible.
6A and 6B are views showing the structure of the formwork supporting tool 42. FIG. 6A is a front view of the formwork supporting tool 42, FIG. 6B is a right side view, and FIG. 6C is a formwork supporting tool. It is a figure showing the internal formwork after mounting of 42.
Further, the internal form frame support portion 22, the internal form frame mounting portion 24, the fitting hole 28, and the protrusion 38, which form the form frame support tool 42 of FIG. 6, are the internal form frame support portions of the frame support tools 10 and 36. 22, the inner formwork mounting portion 24, the fitting hole 28, and the protrusion 38 are the same as those described above, and thus detailed description thereof will be omitted.

The shapes and positions of the fitting holes 28 (FIGS. 1 to 3 and 6) and the protrusions 38 (FIGS. 4 to 6) of the internal form fitting portion 24 of the mold support tools 10, 36 and 42 are the above examples. The present invention is not limited to the forms and positions illustrated in the description and drawings. In the form and position to be fitted with the protruding portion 26 (FIGS. 2 and 3, FIG. 6C), the fitting hole 40a (FIG. 5), and the fitting hole 34b (FIG. 6C) of the inner formwork 20. There is enough.

The fixing means 29 is a hook that holds the inner formwork support 22 to the outer formwork 18 (FIG. 1(a), FIG. 3, FIG. 4(a), FIG. 6(a)). .. In addition, you may fasten with other fixed tools (For example, a shrimp vise).

INDUSTRIAL APPLICABILITY The mold supporting tool of the present invention does not use bolts or nails for mounting on a steel outer mold or a steel inner mold, and therefore is extremely easy to mount/remove on/from the mold. Labor saving in construction work can be achieved. Moreover, since the formwork support tool can be removed after the completion of the casting, the formwork support tool can be repeatedly used, and the construction cost of the formwork construction using the steel formwork can be reduced.

10, 36, 42 Formwork support tool 12 Bottom 14 Stand 16 Formwork 18 External formwork 20 Inner formwork 18a, 20a Upper surface 22 Inner formwork support 24 Internal formwork mount 26 Inner formwork protrusion 28 Formwork Support tool fitting holes 34b, 40a Inner formwork fitting hole 38 Formwork support tool projections

The formwork support tool of the present invention is a steel consisting of an outer formwork and an inner formwork whose upper surfaces are located at the same height, which is used for placing foundation concrete in a foundation work of a building in which a bottom plate and a rise are placed at once. A tool for supporting a mold made of metal, which comprises an inner formwork support portion that contacts both upper surfaces of an outer formwork and an inner formwork, and an interior extending downward from the inner formwork support portion on the inner formwork side. The inner frame mounting portion is provided with a fitting hole that fits into the protrusion of the inner mold or a protrusion that fits into the fitting hole of the inner mold. Float the internal form by attaching the internal form to the internal form mounting part by fitting the protruding part and the fitting hole, and by attaching the internal form support to the external form and the internal form. It was done like this.

Claims (1)

A tool for supporting a steel formwork used for pouring a base concrete for placing the bottom plate and rising at once, and an inner formwork support part that abuts both upper surfaces of an outer formwork and an inner formwork, and A fitting hole that fits into a protrusion of the internal formwork or an internal formwork mounting hole that is formed of an internal formwork mounting part that extends downward from the internal formwork support part on the formwork side. The inner mold mounting part, the inner mold mounting part, the inner mold mounting part and the fitting hole, and the inner mold mounting part is mounted to the inner mold mounting part. A formwork support tool that floats the inner formwork by bringing it into contact with the inner formwork.

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