JP2002227319A - Heat insulative form-cum-heat and sound insulating member for building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat insulative form-cum-a heat and sound insulating member in a reinforced concrete building for directly using a floor slab molding heat insulative form used in molding a concrete skeleton as a heat insulating material in the floor slab part after molding solidification of the concrete skeleton. SOLUTION: This heat insulative form is constructed by connecting a plurality of synthetic resin form units Mu together on a plane. In the heat insulative form, an upper face touching the concrete slab S is formed into a rugged shape in the cross section by alternately arranging a plurality of projecting bar parts 2 and recessing bar parts 3 in parallel, while the lower face facing the ceiling is formed flat.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention can be used as a heat insulating form for forming a floor slab when a concrete skeleton of a building is cast and formed, and also provides heat insulation and sound insulation of a floor slab after hardening and molding of the concrete skeleton. The present invention relates to a heat-insulating formwork and heat-insulating and sound-insulating member in a building, which can be used as it is as a material.

[0002]

2. Description of the Related Art Conventionally, in a reinforced concrete building,
In order to form concrete skeletons such as columns, walls, floor slabs, beams, etc., which will be the skeleton of a building, a formwork such as concrete panels is assembled at a construction site, and a formwork is temporarily installed and formed inside this formwork. This is done by placing concrete in the concrete placing space and hardening it. After completion of the concrete skeleton, the formwork is dismantled, and thereafter the formwork material is not used as a functional member of the building (see the book "Illustrations for Building Construction", edited by Rigakusha).

[0003]

However, a formwork for molding a concrete skeleton has a complicated structure in which molding portions such as columns, walls, floor slabs, and beams are intricate. If the intermediate beam is to be formed integrally, the structure of the formwork will be further increased, and the assembling work is troublesome and requires a lot of time and labor, and the work requires skill, and as a result, Formwork occupies a considerable portion of the total construction work, and simplification of these works is very effective in reducing construction costs.

[0004] Accordingly, the present invention provides, among the above-mentioned molds,
Dramatically simplified the structure of the floor formwork where the floor slabs and beams are formed and reduced the construction cost by allowing the floor formwork to be used as a heat insulation and sound insulation member without dismantling the floor formwork. SUMMARY OF THE INVENTION It is a main object of the present invention to provide a heat-insulating formwork and heat-insulating and sound-insulating member for a new building.

[0005]

In order to achieve the above-mentioned object, the invention according to claim 1 is used as a heat-insulating formwork when casting and forming a concrete floor slab, and as a heat-insulating and sound-insulating member for a building. A heat-insulating form and heat-insulating, sound-insulating member in a building that can be used, is configured by integrally connecting a plurality of form units on one plane, and has an upper surface that is in contact with a concrete floor slab, and has a plurality of ridges And the concave ridges are alternately juxtaposed to form an uneven cross section, and the lower surface facing the ceiling is formed flat. According to such characteristics, floor slab molding of a concrete formwork is performed. The structure and assembly of parts can be simplified, which can contribute to the cost reduction of concrete formwork, and the heat-insulating formwork can be used as it is as a heat insulation and sound insulation member of the building. In addition to improving the heat insulation and sound insulation performance of the building, it is also possible to reduce the construction cost for the heat insulation and sound insulation of the building. Therefore, the strength of the floor slab in the direction along the irregularities can be increased, and the span of the floor slab in the direction can be longer than that of the conventional one. As a whole, it is possible to provide a high-quality building at low cost.

In order to achieve the above object, a second aspect of the present invention is characterized in that, in the first aspect, a reinforcing rib is formed integrally with the concave ridge portion. According to this feature, in addition to achieving the same effects as the first aspect of the present invention, the rigidity of the heat insulating unit, particularly, the rigidity of the concave ridge can be increased.

According to a third aspect of the present invention, in order to achieve the above object, a fitting groove is formed on a top surface of the ridge portion. The mating groove is characterized in that a reinforcing bar spacer for avoiding direct contact with the reinforcing bar can be fitted. According to such a feature, the same effect as the invention according to claim 1 or 2 can be obtained. Furthermore, damage and breakage due to the direct load of the reinforcing bar on the heat-insulating form / heat-insulating and sound-insulating member can be prevented.

[0008] In order to achieve the above object, the invention according to a fourth aspect is the invention according to the first, second or third aspect, wherein the concave ridge portion and the convex ridge portion have the same width. In addition, by cutting the heat-insulating form material in an uneven shape from the thickness direction, a pair of the form units can be manufactured. In addition to achieving the same effects as those of the invention described in 2 or 3, the manufacturing cost of the form unit can be significantly reduced.

In order to achieve the above object, the invention according to claim 5 is characterized in that, in the invention according to claim 1, 2, or 3, an auxiliary part is integrally laminated on the ridge. According to this feature, in addition to achieving the same effects as those of the first, second, and third aspects of the present invention, the thickness of the heat-insulating formwork and heat-insulating member and the thickness of the sound-insulating member can be easily changed according to the specifications of the building. can do.

According to a sixth aspect of the present invention, in order to achieve the above object, in the first, second, third, or fifth aspect, the mold unit is configured such that at least one ridge is detachable. According to this feature, in addition to achieving the same effects as those of the first, second, or third aspect of the present invention, ducts, wiring, and lighting can be easily provided at appropriate places of the heat-insulating formwork and heat-insulating member. And the like.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described based on embodiments of the present invention shown in the accompanying drawings.

FIGS. 1 to 10 show a first embodiment of the present invention. FIG. 1 is a sectional view taken along line 1-1 in FIG. A sectional view along FIG.
1 is an enlarged end view taken along line 2-2 in FIG. 1, FIG. 3 is an enlarged view of a portion surrounded by a virtual line as viewed in the direction of arrow 3 in FIG. 2, and FIG.
4 is an enlarged cross-sectional view taken along line -4, FIG. 5 is a perspective view of a form unit, FIG. 6 is a perspective view of a part of a concrete form incorporating a heat-insulating form and heat-insulating and sound-insulating material, and FIG. FIG. 8 is a cross-sectional view of a concrete formwork showing a step of placing concrete in the formwork, FIG. 8 is a cross-sectional view of a part of a concrete body incorporating a heat-insulating formwork and a heat insulating and sound insulating material, and FIG. And FIG. 10 is a cross-sectional view showing a state in which the form unit is being conveyed.

First, the structure of the heat-insulating mold and heat-insulating and sound-insulating member M, which is a feature of the present invention, will be described mainly with reference to FIGS. A plurality of form units Mu are integrally connected on one plane. Each mold unit Mu is integrally formed of a synthetic resin material, for example, a low-foaming molded material of polystyrene at a factory or the like, and is formed on a square plate-shaped substrate portion 1 by two convex ridges having a square cross section. The parts 2 are projected upward in parallel with each other,
Between these ridges 2, concave ridges 3 having a channel-like cross section
Is formed to have an uneven cross section. One end surface of the mold unit Mu is formed by the outer end surface of the ridge portion 2, and the other end surface is formed by the edge of the substrate portion 1. The first and second connection ends 4, 5 to be connected to other mold units Mu are provided on both left and right end faces of the mold unit Mu.
Is formed, the first connection end 4 on the end face side of the protruding ridge portion 2 is formed in a concave arc shape, and the second connection end 4 on the end face side of the substrate section 1 is formed.
Is formed in a convex arc shape. Each ridge 2
Is formed on the top surface over the entire length in the longitudinal direction, a plurality of reinforcing bar spacers 7 are fitted into the fitting groove 6, and these reinforcing bar spacers 7 As described later, this is for avoiding that the reinforcing bar 10 assembled on the heat-insulating formwork M comes into direct contact with the top surface of the ridge 2. Further, a reinforcing rib 8 is integrally provided on the upper surface of the substrate portion 1 corresponding to the bottom surface of the concave ridge portion 3 over its entire length in the longitudinal direction, and the reinforcing rib 8 is provided on the concave ridge portion 3 of the form unit Mu. It is for reinforcing. As shown in FIG. 3, a boundary portion 2a between the convex ridge portion 2 and the concave ridge portion 3 is formed on an inclined surface so as to avoid stress concentration on the boundary portion 2a. A plurality of synthetic woods 11 are buried in the flat lower surface of the mold unit Mu, that is, the lower surface 1a of the substrate 1 in parallel with the arrangement direction of the concave and convex ridges 3 and 2 as necessary. These synthetic woods 11 can increase the rigidity of the form unit Mu itself, and its lower surface travels slightly below the lower surface of the form unit Mu, and is used as a ceiling plate adjustment and receiving portion. You.

As shown in FIGS. 5 and 6, the plurality of mold units Mu are also connected in the longitudinal direction, that is, in the longitudinal direction of the ridges 2. The longitudinal end faces of the form units Mu connected to each other are abutted against each other, and the connection end parts of the ridges 2 are integrally fastened by the fasteners 14. As shown in FIG.
It is formed in a "shape" shape, and at the lower edges of both ends thereof, an insertion point 14a having a cross section is formed. In order to join the projecting ridges 2 of the two form units Mu using the tying member 11, the form units M to be connected are connected.
u, straddling the tying tool 11 on the upper surface of the edge of the projecting ridge portion 2 which is abutted with each other, and inserting the pair of insertion tips 14a into the edge portion of the projecting ridge portion 2, these are inserted. They can be joined together. At this time, since the mold unit Mu is formed of low-foamed polystyrene and is soft,
The insertion and connection of the insertion point 14a to the ridge 2 can be easily performed.

Since the mold unit Mu is formed by low-foam molding of polystyrene, it is extremely lightweight, has excellent workability, and can be easily cut with a cutting tool or the like, or subjected to various processing. It is also excellent in heat insulation and sound insulation.

As shown in FIG. 5, the form unit Mu
Has a width W of 910 mm, a length L of 1820 mm,
The thickness T is formed to a size of 200 mm, and a plurality of them are connected on one plane vertically and horizontally to be used as a heat insulating form M for forming a floor slab of a concrete skeleton.

As shown in FIG. 6, a plurality of mold units Mu
Are connected in parallel in the width direction, that is, in the parallel direction of the concave and convex strips 2, for example, the first connection end 4 on the left side of the intermediate form unit Mu (with a suffix (a)) is connected to one end. When the second connection ends 5 of the frame units Mu (subscript (b) are attached) of the parts are abutted, and a fixing device 13 (see FIG. 3) such as a fixing pin is driven into those connection ends, Formwork unit M
u (a) and Mu (b) can be integrally connected in parallel. Similarly, the mold unit Mu in the middle portion
The first connection end 4 of the mold unit Mu (with a suffix (c)) at the other end is abutted against the second connection end 5 on the right side of (b), and these connection ends are When the fixing pins 13 such as nails are driven in, the two mold units Mu (b) and Mu (c) can be integrally connected in parallel. The first and second connection ends 4, 5 are formed in a concave arc shape and a convex arc shape as described above, so that the connection ends 4, 5 are formed.
Are tightly abutted with each other, so that the two mold units Mu can omit the blindfolding process without forming a gap at their connection ends, and can prevent their displacement in the vertical direction.

Next, a description will be given of a case where the heat-insulating mold and heat-insulating and sound-insulating member M configured as described above is incorporated in a concrete mold F. As shown in FIG. The left and right wall forms 16 are provided with outer wall forms 16i and 16o which are opposed to each other with a concrete casting space 17 therebetween, and heat insulation is provided between the upper edges of the inner wall forms 16i. The formwork M is bridged and assembled. The heat-insulating form M is formed by integrally connecting a plurality of form units Mu on one plane as described above so as to match the floor area of the living space L. A ceiling panel (concrete panel) 20 is laminated on the flat lower surface (ceiling surface) of the heat-insulating form M. At this time, ceiling control panel 2
0 contacts the synthetic wood 11 to avoid direct contact with the heat insulating formwork M. The ceiling panel 20 is supported by a plurality of pipe supports 22 via a flap 21.

As shown in FIG. 7, a reinforcing bar 10 is mounted on the upper surface of the heat-insulating form M according to the arrangement of the reinforcing bars. At this time, the reinforcing bar spacer 7 avoids direct contact between the heat-insulating formwork M and the reinforcing bar 10, secures a concrete passage between them, and improves sitting of the reinforcing bar 10. When the formwork, rebar work and incidental work are completed, concrete casting work will be performed. Then, once the concrete has hardened and its safe strength and curing are fully confirmed,
Demolition of the concrete formwork F is performed. That is,
Pipe support 22, ceiling panel 20, and wall form 1
6 is dismantled, but the heat-insulating formwork M is integrated with concrete and is permanently used as a heat insulating and sound insulating member for the floor slab (ceiling frame).

In the concrete floor slab S formed as described above, a plurality of beams can be easily formed integrally by the convex and concave portions 2 and 3 of the heat insulating formwork M. The strength in the direction of the convex and concave portions 2 and 3 can be increased, and the span can be lengthened.

The inner form 16 of the wall form 16
i may be used as it is as a heat insulating wall without being dismantled.

After the concrete skeleton is formed as described above, as shown in FIG. 3, an appropriate wall member 24 is provided on the inner surface of the skeleton wall, and an appropriate ceiling is provided on the lower surface of the floor slab (ceiling skeleton). The living space L is formed by stacking the materials 25.

The form unit Mu has a ridge 2
By making the widths of the concave ridges 3 equal, it is possible to produce the polystyrene foam material in good yield and at low cost, as shown in FIG. If you cut it into a shape,
Two mold units Mu can be manufactured with almost no waste material.

Further, by configuring the form unit Mu as described above, it is possible to save spacers during its transportation and storage, and as shown in FIG. 10, the two form units are By stacking the ridges and valleys 3 and 2 which are fitted and overlapped with each other, they can be transported from the factory to the construction site with almost no dead space, and can be transported from the factory to the construction site. On-site storage is possible.

As shown in FIG. 8, the heat insulation form M is
After the concrete has hardened, at least one of the ridges 2
Floor slab (ceiling frame)
A groove g serving as a storage space 28 for ducts, wiring, piping, lighting, etc. can be formed in the storage space 2.
8 is no longer needed, the ridge 2 '
Can be embedded.

FIG. 11 shows a modification of the heat-insulating form M.
A sectional view of a part of a concrete floor slab provided with the heat insulating formwork is shown. In this modified example, the form unit Mu constituting the heat insulating form M is configured so that at least one of the ridges 2 can be detachably detachable as a part in advance at a site or the like. In this case, a release sheet 30 is attached to the outer surface of the separable ridge 2 ′ so that it can be easily attached to and detached from the mold unit Mu.

Next, a second embodiment of the present invention will be described.

FIG. 12 is a cross-sectional view of a part of a concrete skeleton according to a second embodiment of the present invention.

In the second embodiment, as shown in FIG.
This is a case where the raised ridge 2 of the heat insulating and sound insulating member M made of polystyrene, which is joined to the concrete floor slab S, is made bulky.
2 are integrally laminated. A fitting groove 102a is provided on the top surface of the auxiliary part 102, and a fitting ridge 1 is provided on the lower surface thereof.
The fitting ridge 102b is fitted in the fitting groove 6 of the ridge portion 2 to position the fitting ridge 102b, and the reinforcing bar spacer 7 is fitted in the fitting groove 102a. Are combined.

The second embodiment has the same operation and effect as the first embodiment. In particular, the substantial thickness of the heat insulation and frame and the sound insulation member M is substantially the same as that of the first embodiment. By being thicker than the example, the heat insulation and sound insulation effects become more remarkable.

As described above, the first and second embodiments have the following advantages in building a building.

The structure of the formwork F for forming the concrete frame is simplified, and the cost of the formwork can be greatly reduced.

The form unit Mu constituting the heat-insulating form and heat-insulating and sound-insulating member M can be manufactured at a factory other than the building site, so that the construction period can be shortened.

The heat-insulating form and heat-insulating and sound-insulating member M is used as a heat-insulating and sound-insulating member for the floor portion of the building while being a part of the form, so that the structure of the form is simplified. Demolition is also easy. Furthermore, a separate heat insulating and sound insulating member for the floor portion is not required, and a building having excellent heat insulating and sound insulating functions can be provided.

The mold unit Mu constituting the heat-insulating mold and heat-insulating and sound-insulating member M is made of a synthetic resin foam such as polystyrene, so that it is extremely lightweight, easy to process and easy to handle. In addition, the weight of the building itself can be reduced.

When assembling the heat-insulating form and heat-insulating and sound-insulating member M, it can be performed with a connecting pin and a tying member, so that specialized work such as welding is not required.

The heat-insulating formwork having the irregularities can easily form a plurality of beams integrally with the concrete floor slab, and can increase the strength of the floor slab in the direction along the irregularities. The span of the floor slab in the direction can be made longer than that of the conventional one, and it is suitable as a floor slab of a building by a framed wall method.

Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments, and various embodiments are possible within the scope of the present invention.

For example, in the above-described embodiment, the mold unit is formed of a low-foam polystyrene material, but may be formed of another equivalent synthetic resin material.

[0040]

As described above, according to the invention described in the claims, the structure of the floor slab forming portion of the concrete form,
Simplifying the assembly and contributing to the cost reduction of concrete formwork construction, and the heat-insulating formwork can be used as a heat insulation and sound insulation member of the building as it is, thus improving the heat insulation and sound insulation performance of the building. It is possible to reduce the construction cost for heat insulation and sound insulation of the building, and furthermore, the insulation formwork with uneven strips can easily form multiple beams integrally with the concrete floor slab. The strength of the floor slab in the direction along the uneven strip can be increased, and the span of the floor slab in the direction can be longer than that of the conventional one. As a whole, it is possible to provide a high-quality building at low cost. As a whole, it is possible to provide a high-quality building at low cost.

According to the second aspect of the present invention, the rigidity of the heat insulating unit, particularly the ridge, can be increased.

According to the third aspect of the present invention, damage caused by the direct load of the reinforcing bar on the heat-insulating mold and heat-insulating member and the sound insulating member can be prevented.
Damage can be prevented.

According to the fourth aspect of the invention, the manufacturing and transportation costs of the form unit can be greatly reduced.

According to the fifth aspect of the present invention, it is possible to easily change the thickness of the heat-insulating formwork and heat-insulating and sound-insulating members according to the specifications of the building.

According to the sixth aspect of the present invention, it is possible to easily form a space for accommodating ducts, wiring, lighting, and the like in appropriate places of the heat-insulating mold and heat-insulating and sound-insulating members.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a building equipped with a heat-insulating formwork and heat-insulating and sound-insulating members of the present invention, taken along line 1-1 in FIG.

FIG. 2 is an enlarged end view taken along line 2-2 of FIG. 1;

FIG. 3 is an enlarged view of a portion surrounded by a virtual line as viewed in the direction of arrow 3 in FIG. 2;

FIG. 4 is an enlarged sectional view taken along line 4-4 in FIG. 1;

FIG. 5 is a perspective view of a mold unit.

FIG. 6 is a perspective view of a part of a concrete formwork incorporating a heat-insulating form and heat-insulating and sound-insulating material.

FIG. 7 is a cross-sectional view of a concrete form, showing a step of placing concrete in the concrete form.

FIG. 8 is a cross-sectional view of a part of a concrete frame incorporating a heat-insulating formwork and heat-insulating and sound-insulating materials.

FIG. 9 is a sectional view showing a manufacturing process of the form unit.

FIG. 10 is a cross-sectional view showing a state in which the form unit is transported.

FIG. 11 is a cross-sectional view of a part of a concrete floor slab provided with a heat-insulating formwork (modified example).

FIG. 12 is a sectional view of a part of a concrete body (second embodiment).

[Explanation of symbols]

2... Ridges 3... Recesses 6... Fitting grooves 7. Spacer 8 Auxiliary rib 10 Reinforcing bar 28 Storage space 102 Auxiliary parts S・ ・ ・ ・ Concrete floor slab P ・ ・ ・ ・ ・ ・ ・ ・ ・ Insulation form material (polystyrene material)

Continued on the front page F term (reference) 2E001 DD01 DF02 EA01 FA11 FA14 GA01 GA12 GA17 GA77 HA04 HB02 HD09 KA02 LA11

Claims (6)

[Claims] The present invention is used as a heat-insulating formwork for casting and forming a concrete floor slab (S) and heat insulating a building.
A heat-insulating formwork and heat-insulating member in a building that can be used as a sound-insulating member, comprising a plurality of form-units (Mu) integrally connected on one plane and in contact with a concrete floor slab (S). A plurality of convex ridges (2) and concave ridges (3) are alternately juxtaposed to form an uneven cross section, and a lower surface facing the ceiling is formed flat. Heat-insulating formwork and heat-insulating and sound-insulating members in buildings. 2. The heat-insulating and heat-insulating and sound-insulating member for a building according to claim 1, wherein a reinforcing rib (8) is formed integrally with said concave streak portion (3). . 3. A fitting groove (6) is formed on a top surface of the ridge (2), and a reinforcing bar (1) is formed in the fitting groove (6).
The heat insulating and form-insulating and sound-insulating member of a building according to claim 1 or 2, wherein a reinforcing bar spacer (7) for avoiding direct contact with the member (0) can be fitted. 4. The concave ridge portion (3) and the convex ridge portion (2) are arranged to have the same width.
The heat-insulating formwork for a building according to claim 1, 2 or 3, characterized in that a pair of the formwork units (Mu) can be manufactured by cutting in an uneven shape from the thickness direction. Heat insulation and sound insulation members. 5. A heat insulation form and heat insulation for a building according to claim 1, wherein an auxiliary part (102) is integrally laminated on said ridge portion (2). Sound insulation member. 6. The heat insulating mold for a building according to claim 1, wherein said form unit (Mu) has at least one ridge (2) detachable. Frame and heat insulation, sound insulation material.