JPH06123152A - Method for constructing floor plate, floor and beam - Google Patents

Abstract

PURPOSE:To enhance construction properties by mounting a beam mold to the peripheral edge portion of a floor plate made of precast concrete, installing the beam mold in a predetermined position, and then placing concrete on the floor plate and inside the mold, thereby using the mold as a permanent mold. CONSTITUTION:A floor plate mold is installed at a construction site and a beam mold 14 is disposed around the mold and concrete is poured into the floor plate mold so as to fabricate a PICOS plate 11 provided with the mold 14 connected thereto by means of a pin, etc. Next, the plate 11 is placed on floor plate timbering 22 assembled in a predetermined position. Then bottom plates 16 are bent from the side faces 15 of the mold 14 and the lower end portions of the adjacent bottom plates 16 are made to abut to each other and beam timbering 23 is assembled therebelow. Concrete slabs are placed on the plate 11 and inside the mold 14, and a beam which uses the mold 14 as a permanent mold therefor and a composite floor are integrally constructed. The need for the work of installing the beam mold is therefore eliminated, and the labor required and the construction period can both be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor slab used in a building structure and a floor / beam construction method using the same.

[0002]

2. Description of the Related Art As is well known, various construction methods have been developed and provided as a method for constructing a floor slab, and one of them has been manufactured in a factory or on-site production yard provided by the applicant. Precast concrete floor slab (below,
It is called "PICOS version". ), And a construction method for constructing a floor slab with a cast-in-place concrete slab and a floor / beam construction method,
There is a so-called PICOS method.

Conventionally, in this PICOS construction method, as shown in FIG. 11, a floor slab form 2 of a PICOS slab 1 is installed on site, and concrete is placed on the floor slab form 2 to form a PICOS. Produce version 1. By placing a wood 3 made of plywood on the PICOS plate 1, and placing a floor slab 2 on the wood 3 and placing concrete, the PI
COS plate 1 is manufactured. In this way, the PICOS plate 1 and the Satsuki 3 are alternately stacked.

On the other hand, as shown in FIG. 12, the floor slab support 4 and the beam support 5 are assembled on site. The beam formwork 6 is installed on the upper part of the beam supporting structure 5. After the PICOS version 1 concrete is cured,
The PICOS plate 1 is lifted and placed on the floor plate supporter 4. After that, a concrete slab is cast on the PICOS plate 1 and concrete is cast on the beam form 6, thereby constructing a floor slab, a floor / beam construction method, and a beam.

[0005]

[Problems to be Solved by the Invention] The PICOS version 1
Is a floor work that can be rationalized. However, for the beam that fixes the PICOS plate 1, the beam form is installed before the PICOS plate is lifted, and after the PICOS plate is lifted, the beam form It is constructed by pouring concrete into. Therefore, the construction work of the beam requires a great deal of time, and the construction work of the beam requires a great deal of labor.

The present invention effectively solves the above-mentioned problems, and shortens the period required for the construction work of beams, and
It is an object of the present invention to provide a floor slab and a floor / beam construction method that reduce the labor required for beam construction work.

[0007]

A floor slab according to claim 1 is
A beam form for constructing a beam for supporting the precast concrete floor slab is attached to a peripheral portion of the precast concrete floor slab.

According to a second aspect of the present invention, in the method of constructing a floor / beam, a floor slab having a beam form attached to a peripheral portion of a precast concrete floor slab produced in advance is installed at a construction position of the floor and the beam. Concrete is placed in the formwork and on the upper surface side of the precast concrete floor slab, and a beam composed of the beam formwork and the concrete as a discard formwork, and a composite floor composed of the floor slab and the concrete It is characterized by constructing and.

[0009]

In the floor slab according to claim 1, since a beam form for constructing a beam for supporting the precast concrete floor slab is attached to a peripheral portion of the precast concrete floor slab, the precast concrete floor The beam formwork is installed on site by assembling the plates on site. Therefore, the work of installing the beam form becomes unnecessary.

In the floor / beam construction method according to the second aspect of the present invention, since the floor slab in which the beam form is attached to the peripheral portion of the precast concrete floor slab that is manufactured in advance is installed at the construction position of the floor and the beam. Eliminates the work of installing the formwork. Then, by placing concrete in the beam formwork and on the upper surface side of the precast concrete floor slab, a beam consisting of the beam formwork and the concrete to be a discard formwork, the floor slab and the concrete Since the composite floor consisting of is constructed, the floor and the beams are constructed integrally.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the floor slab and floor / beam construction method of the present invention will be described below with reference to FIGS. As shown in FIG. 1, the floor slab (not shown) includes a precast concrete floor slab 11 (hereinafter referred to as PICOS plate) and a cast-in-place concrete slab (not shown). The details will be described below.

The PICOS plate 11 is manufactured in a factory or on-site, and is composed of a floor slab main body 12 made of precast concrete and having a rectangular shape in appearance, and a beam form 14 attached to the peripheral portion of the floor slab main body 12. ing. As shown in FIGS. 2 to 3, the beam form frame 14 includes a side plate 15 whose upper end is rotatably pin-coupled to the floor slab body 12,
The side plate 15 is composed of a bottom plate 16 whose upper end is rotatably pin-connected to the lower end.

That is, the beam form 14 is divided into two along the extending direction thereof, and the lower end of the bottom plate 16 is in contact with the lower end of the bottom plate 16 of another beam form 14. There is. Here, at the joint between the floor slab main body 12 and the beam form 14, the lower end of each side of the floor slab main body 12 is chamfered, and the side plate 15 of the beam form 14 is rotatably attached downward. .

PIC using such PICOS plate
The OS method will be described with reference to the drawings. As shown in FIG. 4, the floor slab formwork 20 is installed on the site, and the beam formwork 14 is arranged around the floor slab formwork 20. By placing concrete on the floor slab 20, PICOS
The plate 11 is manufactured. The wood 21 is placed on the PICOS plate 11, and the floor slab form 20 and the beam form are placed on the wood 3.
By placing concrete, PICOS plate 11
To manufacture. In this way, the PICOS plates 11 and the Satsuki 21 are alternately stacked.

On the other hand, as shown in FIG. 1, a floor slab support 22 has been assembled at the construction position of the floor at the site, and PICO
After curing the S plate 11 concrete, this PICOS
The plate 11 is lifted and placed on the floor slab support 22.
At this time, the beam formwork 14 is suspended from the floor slab body 12. After that, as shown in FIG. 5, the side plate 1 of the beam form 14 is formed.
The bottom plate 16 is bent from 5, and the lower end portion of this bottom plate 16 is brought into contact with the bottom plate 16 of another beam form 14,
Assembling the beam support 23 for covering. After that, PICO
By placing a concrete slab on the S plate 1 and the beam form 14, a beam (not shown) using the beam form 14 as a discard form and a composite floor (not shown) are integrally constructed. It is a thing.

According to such a floor slab, the PICOS plate 1
A beam form frame 14 for constructing a beam for supporting the PICOS plate 11 is attached to the peripheral edge of the PICOS 1.
By placing the plate 11 on the floor slab support 22, the beam formwork 14 is installed on site. The beam formwork 14 is assembled by covering the beam formwork 14 with the beam support 23. For this reason, it is possible to eliminate the need to install the beam formwork 14 separately from the construction work of the PICOS plate 11, and it is possible to reduce the labor required for the construction work of the beam. And PICO
Since the beam formwork 14 can be installed when assembling the S plate 11, the period required for the construction work of the PICOS plate 11 beam can be shortened.

On the other hand, according to the floor / beam construction method, since the floor slab is installed at the building position of the floor and the beam, the installation work of the beam formwork 14 can be eliminated, and the installation work of the beam formwork 14 can be performed. The labor required can be reduced. After that, in the beam form 14 and PICO
Since concrete is cast on the upper surface side of the S plate 11 to construct a beam composed of the beam form 14 and the concrete to be a discard form, and a composite floor composed of the floor slab and the concrete, The floor and beams can be constructed in one piece. Therefore, as compared with the case where the floor construction work and the beam construction work are performed separately, the period required for the construction of the floor and the beams can be shortened, and the number of workers can be reduced.

Although the floor slab main body 12 and the side plate 15 of the beam form 14 are pin-coupled in the above embodiment, the present invention is not limited to this, and as shown in FIGS. A flexible material 30 such as rubber, iron, plastic, or fiber is driven into the main body 12 and the side plate 15 of the beam form 14, and the lower end of the peripheral edge of the floor slab main body 12 is cut out.
Side plate 1 of the beam formwork 14 facing the notched portion 31 of the
The notch 31 may be formed in the groove 5. By contacting the notched portions 31 of the floor slab body 12 and the beam form frame 14, the beam form frame 14 is suspended downward from the floor slab body 14. Then, in order to increase the flexibility of the flexible material 30, the flexible material 30 may be subjected to slit processing, punching processing, and bending processing. Further, as shown in FIG. 8, a floor slab anchor 32 and a beam form anchor 33 are driven into the position of the flexible material 30, and the floor slab anchor 32 and the beam form anchor 33 are inserted.
And may be connected by the hinge portion 34.

Further, as an alternative to the flexible material 30, as shown in FIGS. 9 to 10, a floor anchor 35 is driven into the floor slab body 12, and a connection plate 36 extending substantially vertically to the floor anchor 35. The beam form 36 having an L-shaped cross section may be attached to the connection plate 36 with a fastening member 38 such as a bolt.

[0020]

As described above, according to the floor slab and floor / beam construction method of the present invention, the following effects can be achieved. According to the floor slab of claim 1, since the beam form for constructing the beam for supporting the precast concrete floor slab is attached to the peripheral portion of the precast concrete floor slab, the precast concrete is constructed. The beam formwork is assembled by assembling the floor slab on site. Therefore, the beam form can be installed together with the construction work of the precast concrete floor slab, and the labor required for the construction work of the beam can be reduced. Then, when the precast concrete floor slab is assembled, the beam form can be assembled, so that the period required for the construction work of the beam can be shortened.

According to the floor / beam construction method of the second aspect, the floor slab, in which the beam form is attached to the peripheral portion of the precast concrete floor slab produced in advance, is installed at the construction position of the floor and the beam. Therefore, the installation work of the beam formwork can be eliminated, and the labor required for the installation work of the beam formwork can be reduced. Then, by placing concrete in the beam formwork and on the upper surface side of the precast concrete floor slab, a beam composed of the beam formwork and the concrete to be a discard formwork, the floor slab and the concrete. The floor and the beams can be integrally constructed because the composite floor consisting of is constructed. For this reason, compared with the case where the floor construction work and the beam construction work are performed separately, the period required for the construction of the floor and the beam can be shortened, and the number of workers can be reduced.

[Brief description of drawings]

FIG. 1 is a side view showing a PICOS plate in a floor slab of the present invention.

FIG. 2 is a side view showing a connecting portion between the floor slab main body and the beam formwork of FIG.

FIG. 3 is a side view showing a beam form frame extending in a horizontal direction.

FIG. 4 is a side view showing a state in which the PICOS plates of FIG. 1 are stacked.

5 is a side view showing an assembled state of the PICOS plate of FIG. 1. FIG.

FIG. 6 is a side view showing a first modified example of FIG.

7 is a side view showing a state where the beam form in FIG. 6 is extended in the horizontal direction.

FIG. 8 is a side view showing a second modified example of FIG.

FIG. 9 is a side sectional view showing a third modified example of FIG.

FIG. 10 is a front view of FIG. 9.

FIG. 11 is a side view showing a state in which conventional PICOS plates are stacked.

12 is a side view showing a state where the PICOS plate of FIG. 11 is assembled.

[Explanation of symbols]

11 PICOS version (precast concrete floor slab) 14 Beam formwork

Claims (2)

[Claims] 1. A floor slab, wherein a beam form for constructing a beam for supporting the precast concrete floor slab is attached to a peripheral portion of the precast concrete floor slab. 2. A prefabricated concrete floor slab having a beam form attached to the periphery of the prefabricated concrete floor slab is installed at the construction position of the floor and the beam, and the precast concrete slab A floor characterized by placing concrete on the upper surface side to construct a beam composed of the beam formwork and the concrete to be a discard formwork, and a composite floor composed of the floor slab and the concrete. Beam construction method.