JPH01260157A - Floor panel - Google Patents

Abstract

PURPOSE:To increase the strength of a floor panel and to improve execution efficiency of the floor panel as well as an enlargement thereof by opposing and forming a frame material or Z-steel so that upper flanges are projected outward. CONSTITUTION:A pair of frame materials 2 of Z-steel are provided in such a state that webs 2e are opposed to each other and upper flanges 2c are projected outward. A plurality of wooden joists 3 are fixed on the surfaces of lower flanges 2d projected inward. A floor panel is formed by securing a surface material 4 on the surface of the wooden joist 3. Accordingly, it can be replaced by interlocking the upper flanges 2c to floor panel mounting members in case of execution of the floor panel 1, and it can be used as a work bench.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] This invention relates to a floor panel used in forming the floor of a building.

[Prior Art] Conventionally, as a floor panel used to form the floor of the first floor of a building, a rectangular framework is formed using a frame material made of wood, and a large number of wooden joists are fixed within this framework. Some were formed by adhering a surface material to the top surface of the joists.

However, with this structure, all the members of the floor panel were made of wood, so it was not possible to form a large floor panel due to strength problems.

Therefore, a floor panel using steel for the framework was proposed. In this structure, a rectangular framework is formed from channel steel, a large number of wooden joists are arranged and fixed within this framework, and a surface material is fixed to the upper surface of these wooden joists.

[Problem to be solved by the invention]

However, although it is possible to form a large floor panel with this structure, since the rectangular frame is made of channel steel, the frame materials must be joined together by welding, which makes manufacturing time-consuming. was on. In addition, it was difficult to carry out work such as cutting on site. Furthermore, when installing any floor panel on the foundation, it was necessary to permanently fix it to the floor panel mounting member, so when it became necessary to perform work under the floor after the floor panel was fixed, the floor panel could not be easily removed.

Therefore, an object of the present invention is to provide a floor panel that can be made large-sized and also easy to manufacture and install.

[Means for Solving the Problems] The floor panel of the present invention includes a pair of frame members made of Z-shaped steel that are arranged facing each other with their upper flanges projecting outward, and a space between the lower flanges of the pair of frame members. It is formed by horizontally fixing a plurality of wooden joists to the roof and fixing a surface material to the upper surface of these wooden joists.

[Function] According to the configuration of the present invention, a frame member made of Z-shaped steel is provided only on a pair of opposing sides of a floor panel, and a plurality of wooden joists are horizontally fixed between the pair of frame members to form a floor panel. , the strength of the floor panel can be increased, and the floor panel can be made larger.

Moreover, since the work of joining the frame members together by welding can be omitted, the floor panel can be manufactured easily. In addition, since the frame is made of Z-shaped steel with the upper flange protruding outward, it can be temporarily placed by locking the upper flange to the floor panel mounting member during floor panel construction, and can be used as a workbench. can do. Therefore, it is possible to improve workability.

[Embodiment] An embodiment of the present invention will be described based on FIGS. 1 to 11. FIG. 1(A) is a plan view of the floor panel 1, and FIGS. 1(B) and 1(C) are side views thereof.

As shown in FIG. 1(B), the floor panel 1 is provided with a pair of frame members 2 made of Z-shaped steel with webs 2e facing each other and an upper flange 2C protruding outward. A plurality of wooden joists 3 are provided on the upper surface of the lower flange 2d that protrudes inward.
It is formed by fixing the surface material 4 on the top surface of the wooden joist 3.

The frame material 2 is made of Z-shaped steel or the like, and a fastener insertion hole 2a (FIG. 1(C)) is formed in its web 2e.
As shown in the figure, it is fixed to a floor panel mounting member 10 fixed to a foundation 9 with fasteners 19. A fastener insertion hole 2b (see FIG. 4) is formed in the lower flange 2d of the frame member 2, so that the wooden joist 3 can be fixed thereto. Also,
The upper flange 2c protrudes outward from the floor panel 1, and this upper flange 2c serves as a locking piece for the floor panel mounting member 10.
It can be locked on the upper end of the By using this upper flange 2C, the floor panel 1 can be temporarily placed during construction, and can be used as a workbench, and can be easily removed when it is necessary to perform construction under the floor. . The frame material 2 and the wooden joist 3 are fixed by placing the wooden joist 3 on the lower flange 2d of the frame material 2, as shown in FIG.
This is done from below the lower flange 2d using a fixing tool 7 such as a screw.

Note that FIG. 7 is a partially exploded perspective view showing the fixing structure between the foundation 9 and the end of the floor panel 1.

As shown in FIG. 2, a notch 3a is formed on the lower surface of the end of the wooden joist 3, and the lower flange 2d of the frame material 2 is abutted and fixed to this notch 3a.

In addition, a notch 3b is formed on the lower surface of the central part of the wooden joist 3, as shown in FIG.
A connecting plate 6 consisting of four temporary members is fixed with a fixing member 8. Therefore, a fastener insertion hole 6a (FIG. 1(A)) through which the fastener 8 can be inserted is formed in the connecting plate 6. Further, the connecting plate 6 is fixed at right angles to the longitudinal direction of the wooden joists 3, and connects the wooden joists 3 to each other, and at the same time, prevents the wooden joists 3 from warping and reinforces the floor panel 1.

This connecting plate 6 is for connecting the floor panel 1 and the floor beam 11 (see FIG. 5) provided on the lower surface of the floor panel l. Note that FIG. 8 is a partially exploded perspective view showing the fixing structure between the floor beam 11 and the center portion of the floor panel 1.

As shown in FIG. 4, the surface material 4 is placed and pressed onto the upper surface of the wooden joist 3 coated with an adhesive (urethane type, etc.) and fixed with fixing tools 17 such as nails. Further, as shown in FIG. 1, the surface material 4 is separated at the center of the floor panel 1, and a working opening 23 is formed between the separated surface materials 40.

A batten 16 (see FIG. 5) is temporarily fixed to the working opening 23, and it can be closed by fixing the batten 16 after construction.

The heat insulating material 5 is formed into a plate shape by packing glass wool or the like into a bag made of vinyl or the like, and is provided between the wooden joists 3 so as to be in contact with the back surface of the facing material 4. (See Figure 3). Note that this heat insulating material 5 is in a separated state at the working opening 23 position. Therefore, in a state where the battens 16 are removed to form the working openings 23, the connecting work between the connecting plates 6 and the floor beams 11 can be performed by inserting a hand into the floor panel 1 through between the heat insulating materials 5.

The floor beam 11 is made of I (shaped steel), as shown in FIG.
It is suspended horizontally between a pair of foundations 9 and at the same time is fixed to the lower surface of the center of the floor panel 1 to reinforce the floor panel 1. Floor beam 1
A fastener insertion hole 11a is provided in the upper flange of 1.
It can be connected to the floor panel 1 by means of fasteners 26 (see FIG. 5). Further, the lower flange is also provided with a fastener insertion hole 11b, and can be connected to the bundle 12. A beam member 11c made of a short square steel pipe extends from one end of the floor beam 11 with its upper surface aligned with the upper flange of the H-shaped steel. By providing this beam 11c, the space between the beam 11c and the ground becomes larger, and a passage for inspection can be formed. A mounting plate I'd is provided at the other end of the floor beam II made of H-shaped steel, and the beam support is fixed to the foundation 9 using the fastener insertion hole lie formed in the upper part of the mounting plate lid. It is fixed to the member 13. Also, a fixing tool insertion hole 11f for fixing to the beam receiving member 13 is also provided at the end of the beam member 11c.
is formed.

As shown in FIG. 9, the bundle 12 is constructed by fixing a pair of bolts 12b on a base material 12a in which a fastener insertion hole 12d for inserting the anchor bolt 24 is formed, and attaching a support plate that can be raised and lowered to the bolt 12b. 12c is provided. Bundle 12 is
It is installed and fixed on the base plate 14 (see FIG. 9) embedded in the independent base IJ18 (see FIG. 5).

In addition, when the distance between the pair of foundations 9 is wide, the floor beams 11 are used in series, but the floor beams 11 are connected by using a connecting member 15 having a U-shaped cross section as shown in FIG. Link.

The installation procedure of this floor panel 1 on the foundation 9 will be explained. The floor panel 1 is manufactured in advance at the factory (however, the battens 16 are temporarily fixed and made removable. At the site, the anchor bolts 20 protruding from the top surface of the foundation 9 (see Figure 5.6) ) to fix the floor panel mounting member 10 and beam support member 13.In addition, an independent foundation 18 is formed at a position corresponding to the connecting plate 6 of the floor panel l, and this independent foundation 1
A bundle 12 is erected on the upper surface of 8. Both ends of the floor beam 11 are fixed to beam support members 13 fixed to the foundation 9, and at the same time the bundle 12
and the floor beam 11 are fixed. Note that a nut 25 (see FIG. 5) is welded and fixed to the lower surface of the upper flange of the floor beam 11 in advance. The floor panel 1 carried in is fixed to the floor panel mounting member 10 with a fixing tool 19. Remove the battens 16 temporarily fixed to the center of the floor panel 1, insert your hand between the heat insulators 5 through the working opening 23, and screw the fasteners 26 onto the pads 25 provided on the upper flange of the floor beam 11. According to the floor panel 1
is fixed to the floor beam 11. The battens 16 are fixed to the upper surface of the wooden joists 3 with fixing tools 17. With the above steps, installation of the floor panel 1 is completed.

According to the configuration of this embodiment, since the plurality of wooden joists 3 forming the floor panel 1 are horizontally fixed between a pair of opposing frame members 2 made of Z-beam steel, the strength of the floor panel 1 can be increased. Therefore, a large floor panel 1 can be formed. Therefore, compared to installing a large number of small floor panels, the number of work steps can be reduced and construction efficiency can be improved.

Moreover, since the upper flange 2c of the frame member 2 is made to protrude outward, the upper flange 2C can be locked to the floor panel mounting member 10, and by temporarily placing the floor panel 1 on the foundation 9, the workbench It can be used as In addition, it can be easily removed when performing construction work under the floor, improving workability. Further, since this frame material 2 is provided only on two opposing sides, and the other two sides are replaced with wooden joists 3, cutting and other processing to change dimensions can be easily performed on site. Moreover, since the wooden joist 3 is fixed to the lower flange 2d of the frame material 2, it is possible to prevent floor noise from occurring even when the wooden joist 3 contracts in the longitudinal direction.

In the above embodiment, the surface material 4 of the floor panel 1 was fixed in a state that it was set back inward from the frame material 2, but as shown in FIG. 12, the surface material 4 was extended and fixed to the frame material According to this structure, the surface material 4 can be fixed even more firmly.

〔Effect of the invention〕

According to the floor panel of the present invention, a frame made of Z-shaped steel is provided only on a pair of opposing sides of the floor panel, and a plurality of wooden joists are horizontally fixed between the pair of frame members to form the floor panel. Therefore, the strength of the floor panel can be increased, and the floor panel can be made larger. Moreover, since the work of joining the frame members together by welding can be omitted, the floor panel can be manufactured easily. In addition, the upper flange protrudes outward.
Since the frame is formed from a frame material made of shaped steel, it can be temporarily placed by locking the upper flange to the floor panel mounting member during construction of the floor panel, and can be used as a workbench.

Therefore, it is possible to improve workability.

[Brief explanation of the drawing]

FIG. 1(A) is a plan view of one embodiment of the present invention. Figures 1 (B) and (C) are side views, respectively.
Figures 3 and 3 are partial side views of the ends and center of the floor panel, Figure 4 is a partially exploded perspective view of the floor panel, and Figures 5 and 6 are the floor panel fixed to the foundation. , FIG. 7 is a partially exploded perspective view showing the joint structure between the end of the floor panel and the foundation, FIG. 8 is a partial sectional view of the floor panel secured to the floor panel mounting member, and FIG. 9 is a partially exploded perspective view showing the joint structure between the center part of the floor panel and the foundation;
Fig. 10 is a partially exploded perspective view showing the connection structure between a floor beam and a bundle of foundations, Fig. 11 is a partially exploded perspective view showing the connection structure between a pair of floor beams and a bundle, and Fig. 12 is a deformation of the floor panel. FIG. 3 is a partial cross-sectional view of an example. 1... Floor panel, 2... Frame material, 2c... Upper flange, 2d... Lower flange, 3... Wooden joist, 4...
・Surface material, 5... Insulation material, 6... Connecting plate 2nd figure 3rd figure 4th figure 7th figure 12th figure

Claims (1)

[Claims] A pair of frame members made of Z-shaped steel are arranged facing each other with their upper flanges protruding outward, and a plurality of wooden joists are horizontally fixed between the lower flanges of these pair of frame members, and the upper surface of these wooden joists is A floor panel formed by adhering a surface material to.