JP2525013Y2 - Formwork rebar assembly for building insulation foundation - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforced form assembly for constructing a heat insulating foundation for a wooden building.

[0002]

2. Description of the Related Art As a conventional heat insulating foundation, a concrete foundation is formed by using a heat insulating panel as a mold, and after molding, the heat insulating panel is left as a heat insulating material without being peeled off. In this case, since it is not necessary to perform heat insulation work on the concrete foundation after molding, the number of steps can be reduced.

[0003] However, it is necessary to prevent the heat insulating panel from being damaged. Conventionally, during construction, the heat insulating panel has been supported by being stretched from the outside with a square bar or the like. However, in such a method, the side pressure of the concrete cannot be supported, and the panel may be bent, and the construction accuracy is not good.

[0004]

The object of the present invention is to firmly support a heat insulating panel as a mold when forming a concrete foundation. At the same time, the aim is to easily assemble the reinforcing bars of the concrete foundation.

[0005]

According to the present invention, there is provided a form-reinforcing-bar assembly for constructing a heat-insulating foundation, in which a band-shaped iron plate is bent into a U-shape to form a form-reinforcing-bar holder having legs on both sides. A number of them are placed on the ground at intervals. A lattice-shaped base reinforcing bar is mounted between the legs of the form-reinforcing bar holder while floating above the ground. Further, the channel material is transferred to the form reinforcing bar holder with the groove facing upward, and the heat insulating form panel is fitted into the groove of the channel material and stands upright.

[0006] Further, a rising portion is provided outside the form reinforcing bar retainer, apart from the leg portion, and supports a formwork plywood forming a side surface of the base foundation. Further, a flange is extended outward from the channel material, and a formwork plywood forming an upper surface of a base foundation is supported between the end of the rising portion of the formwork reinforcing bar holder and the flange. A screw rod is screwed into one end of a separator rod that connects both plates to maintain the space between the heat insulating form panel and the mating plywood via a connector held on the inner surface of the heat insulating form panel. Set up. The home tie ensures that the threaded rod is screwed into the tip projecting outward through the insulated formwork panel.

[0007]

[Function] Since the base reinforcing bar is held between the legs of the form reinforcing bar holder and floating from the ground,
A sufficient concrete cover thickness can be secured. Since the heat insulating form panel is fitted in the groove of the channel material passed over the form reinforcing bar holder, the lower edge of the heat insulating form panel is firmly supported.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG.
9, base concrete 15 formed on the abandoned concrete 21, foundation rising concrete 16 formed between the heat-insulating form panel 11 and the base-rise formwork plywood 12, and further poured on the crushed stone 20. It is made of clay concrete 17 to be used. In the base concrete 15, a grid-like base reinforcing bar 3 is horizontally arranged, and in the foundation rising concrete 16, a grid-like foundation rising bar 4 is provided.
Are laid vertically, and a slab reinforcing bar 18 is laid inside the slab concrete 17. The shoulder portion of the base concrete 15 is formed by formwork plywood 13 and 14.

The reinforcing bar and the formwork are supported by a formwork reinforcing bar holder A, which is formed by bending a band-like iron plate as shown in FIGS. It comprises a horizontal portion Aa, left and right legs Ab bent downward from both sides thereof, and a rising portion Ac bent further upward with an interval from the legs. The formwork reinforcing bars A are arranged on the discarded concrete 21 at appropriate intervals. A hole A5 is provided in the middle of the leg Ab of the holder, and the horizontal bar of the base reinforcing bar 3 made in advance in a lattice shape is fitted into the hole so as to spread both legs. In this manner, the base reinforcing bar 3 is held at a position one step higher than the discarded concrete 21. In addition, on the leg of the formwork reinforcing bar holder A,
If the concave portion A3 is formed immediately below the hole A5 so that the vertical reinforcing bar of the base reinforcing bar 3 is engaged therein, the form reinforcing bar holder A is unlikely to fall back and forth. An adjuster bolt A7 is screwed into a bolt hole A1 formed on the bottom surface of the holder A, so that the height of the holder A can be adjusted.

The foundation rising bar 4 is formed in a lattice shape in advance, and as shown in FIGS. 1 and 5, it is connected to the holder A and the base reinforcing bar 3 and stands upright.

As shown in FIG. 4, an L-shaped slab rebar anchor 7 is fixed to the foundation rising bar 4, and a slab bar 18 is connected to the anchor.

A channel member 5 is attached to the foundation rising stud 4 via an L-shaped member, and a foundation standing formwork plywood 12 is fitted into the groove, and this is erected vertically.

[0013] A channel material B is provided and fixed between the form-reinforcing bar holders A. The form-reinforcing bar holder A has an elongated hole A4 along the longitudinal direction, and the channel material B
Also, there is an elongated hole B1 along its longitudinal direction, and a tap screw 1 is screwed into the elongated hole of both members to attach the channel B. Since each of the holes is elongated and is elongated in a direction perpendicular to each other, the mounting position can be adjusted in both the vertical and horizontal directions. By attaching the channel material B in this way, the formwork reinforcing bar holder A and the formwork reinforcing bar holder A are joined by the channel material B.
The whole becomes stable. The heat-insulating form panel 11 is fitted into the groove of the channel material B, and stands upright. The heat insulating form panel 11 is obtained by bonding a cement panel and a foam resin panel.

The heat insulating form panel 11 and the form plywood 12
Are connected by a rod-shaped separator rod 8 in order to maintain a constant interval. A home tie (registered trademark) 9 is attached to the tip of the separator rod protruding from the formwork plywood 12 as usual, and the formwork plywood is pressed by the holding pipe 10 using this.

After the construction is completed, the side of the heat-insulating form panel 11
If the end of the separator rod protrudes from the panel, it will not look good, so it has a special structure. That is, the separator rod 8 is formed shorter than the original length, and in order to compensate for the shortage of the length, the connector C is screwed into the tip of the separator rod, and the threaded rod C5 is screwed to this connector. (FIGS. 6, 8). A hole is formed in the heat-insulating form panel 11, the threaded rod C5 is passed through, a home tie 9 is screwed and attached to the tip of the threaded rod, and the panel is pressed by the holding pipe 10. The connector C has a projection C1, which is pierced and held on the inner surface (foam resin panel side) of the heat insulating form panel 11. After the construction is completed, the screw bar C5 is removed. The surface of the threaded rod is preferably set to C4 so that it can be easily gripped by a tool such as a wrench (FIG. 6).

Forming the side surface of the base concrete 15 is a formwork plywood 13 shown in FIGS. 1 and 5, which is supported by a rising portion Ac of the formwork reinforcing bar holder A. Similarly, forming the upper surface of the base concrete 15 is
Formwork plywood 14. The formwork plywood 14 has a flange B3 integrally extending outside the channel material B (FIG. 3), and is supported between the flange and the tip of the rising portion Ac of the formwork reinforcing bar holder A. Reference numerals B2 and A6 shown in FIG. 3 are screw holes for mounting the formwork plywood 14 formed in these members B3 and Ac. In addition, the soil 23 is put on the outside of the formwork plywoods 13 and 14, and when it is compacted lightly, it becomes stable.

At the time of concrete casting, the base concrete 15 and the interstitial concrete 17 are simultaneously driven. As shown in FIG. 1, the slab concrete 17 is struck up to the lower edge of the foundation rising formwork plywood 12. After that, the foundation standing concrete 16 is hit. The base reinforcing bar 3 is lifted off the ground by a form reinforcing bar holder A.
Since the base reinforcing bar 3 is held at a position separated outward from the base reinforcing bar 3, the base reinforcing bar 3 can obtain a sufficient concrete cover thickness A2 on both the lower side and the side (FIG. 3).

After the poured concrete has hardened, the home tie 9 and the holding pipe 10 are removed, and the form is removed. The screw rod C5 protruding from the heat-insulating form panel 11 is removed, and then, as shown in FIG. 7, the fixing bolt C6 is screwed in and fixed to the foundation standing concrete 16 so that the heat-insulating form panel 11 is not peeled off. The countersink is filled with the repair agent 2 and finished flat.

[0019]

According to the first aspect of the present invention, since the form reinforcing bar assembly for constructing the heat insulating foundation uses the form reinforcing bar holder, the base reinforcing bar is lifted from the ground so as to be sandwiched between its legs. Not only facilitates the rebar assembling work, but also ensures a sufficient concrete cover thickness under the base rebar. In addition, since the channel material is passed between the form-reinforcing bar holders, the entire structure can be stabilized. Since the heat insulating form panel is fitted into the groove of the channel material, the foot of the heat insulating form panel can be firmly supported, and high construction accuracy can be obtained without causing displacement due to concrete side pressure.

Further, since the rising portion is extended outside the form-reinforcing bar holder and the flange is extended outside the channel material, these members are used to form the side surface and the top surface of the base concrete. Formwork plywood can be easily attached, and construction accuracy is good. Further, since the rising portion Ac is extended away from the legs of the formwork reinforcing bar holder, a sufficient concrete cover thickness can be secured outside the base reinforcing bar.

According to a second aspect of the present invention, the form reinforcing bar assembly further includes a connector provided at one end of a separator rod connecting the two plates to maintain a space between the heat-insulating form panel and the mating plywood. The screw rod is screwed and extended, and a home tie is screwed to the tip of this screw rod. After construction, the screw rod protruding from the heat insulation form panel can be removed, so the appearance is Also, by screwing the fixing bolt after the removed screw rod, there is an effect that the heat insulating form panel can be fixed to the standing upright concrete so as not to peel off.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a form reinforcing bar assembly of the present invention.

FIG. 2 is a perspective view showing a state where a channel material is attached to a formwork reinforcing bar holder.

FIG. 3 is an enlarged view of a main part of FIG. 2;

FIG. 4 is a perspective view of a main part of a foundation rising line.

FIG. 5 is an overall assembly perspective view of a formwork reinforcing bar assembly.

FIG. 6 is a sectional view of a heat-insulating form panel during construction.

FIG. 7 is a cross-sectional view of a heat-insulated form panel in a finished state.

FIG. 8 is a perspective view of a separator rod, and a connector and a threaded rod connected to the separator rod.

[Explanation of symbols]

 A Form Reinforcing Bar Holder Ab Leg Ac Standing Up Section B Channel Material B3 Flange C Connector C5 Screw Bar 3 Base Rebar 8 Separator Rod 9 Home Tie 11 Insulated Formwork Panel 12 Formwork Plywood 13 Formwork Plywood 14 Formwork Plywood 15 Base Concrete 16 Concrete standing upright

Claims (2)

(57) [Scope of request for utility model registration] 1. A belt-shaped iron plate is bent in a U-shape, and a plurality of formwork reinforcing bars (A) having legs (Ab) formed on both sides thereof are arranged on the ground at an interval from each other. A grid-like base reinforcing bar (3) is mounted between the legs of the frame reinforcing bar holder in a state of being lifted from the ground, and the channel material (B) is transferred to the form reinforcing bar holder with the groove facing upward. A heat-insulating form panel (11) is fitted in the groove of the channel material, and stands upright, and a rising section (Ac) is extended outside the form-reinforcing bar retainer at an interval from the legs, Formwork plywood (13) forming the side surface of the base concrete (15) is supported substantially vertically on the rising portion, and a flange (B3) is integrally extended outside the channel material. A mold for forming the upper surface of the base concrete between the rising portion (Ac) of the reinforcing steel holder. A formwork reinforcing assembly for supporting a heat insulation foundation, which supports a formwork plywood (14). 2. At one end of a separator rod (8) connecting both panels to maintain a space between the heat-insulating form panel and its mating plywood (12), and at an inner surface of the heat-insulating form panel. Through the retained connector (C), the screw rod (C
5. The heat insulation base construction according to claim 1, wherein 5) is screwed and extended, and the threaded bar is screwed with a home tie (9) at a tip protruding outside through the heat insulation form panel. Formwork rebar assembly.