JPH01260153A - Floor construction - Google Patents

Abstract

PURPOSE:To make it possible to enlarge a floor panel by fixing a coupling plate of steel to the bottom of a wooden joist forming the floor panel so that it is at a right angle lengthwise of the wooden joist and fixing the coupling steel plate to a floorbeam which both ends thereof are fixed to a foundation. CONSTITUTION:A pair of frame materials 2 of angle steel are provided so that they are opposed to a vertical material, and a horizontal material is provided so that it is projected inward of the lower end of the vertical material. A plurality of wooden joists 3 are fixed on the surface of the horizontal material, and a floor panel is formed by securing surface materials 4 on the upper surface of the wooden joist 3. The coupling plate 6 of steel is fixed to the bottom of the wooden joist 3 so that it is at a right angle lengthwise of the wooden joist 3. The coupling steel plate 6 is fixed to a floorbeam 11 which both ends thereof are fixed to a foundation 18.

Description

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

[Prior art] Conventionally, as a floor structure formed on the first floor of a building, a framework is formed using frame materials, a plurality of wooden joists are fixed between opposing frame materials within this framework, and a plurality of wooden joists are fixed on the top surface of the wooden joists. The floor was formed by fixing the surface material to form a floor panel, and fixing this floor panel to a floor panel attachment member fixed to a foundation.

(Problem to be solved by the invention) However, in this structure, the joists forming the floor panels are made of wooden joists with low strength, so if long members are used for the wooden joists, they may bend. Therefore, it was not possible to make large floor panels.

Therefore, an object of the present invention is to provide a floor structure that allows for larger floor panels.

[Means to solve the problem]

In the floor structure of the present invention, a plurality of wooden joists are fixed between a pair of opposing frame members, a surface material is fixed to the upper surface of the wooden joists to form a floor panel, and a steel joist is attached to the lower surface of the wooden joists. The connecting plate is fixed in a state perpendicular to the wooden joist, and the connecting plate is fixed to floor beams whose both ends are fixed to the foundation, respectively.

[For production]

According to the configuration of the present invention, a tf
! ! ! The strength of the floor panel can be increased because the connecting plates are fixed to the floor beams whose both ends are respectively fixed to the foundation. Therefore, the floor panel can be made large.

Further, since the floor panel is formed by fixing wooden joists between a pair of opposing frame members, cutting and processing on site can be easily performed, and construction workability can be improved.

[Embodiment] An embodiment of the present invention will be described based on FIGS. 1 to 1O. 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 includes a pair of frame members 2 made of angle iron with the vertical members facing each other, and the horizontal members are provided so as to protrude inside the lower ends of the vertical members. Then, a plurality of wooden joists 3 are fixed to the upper surface of the horizontal member, and a surface material 4 is fixed to the upper surface of the wooden joists 3.

The vertical members of the frame material 2 are provided with fastener insertion holes 2a (Fig. 1(C)).
), and as shown in FIG. 5, is fixed to a floor panel mounting member 10 fixed to the foundation 9 with a fixing member 19. A fastener insertion hole 2b (see FIG. 4) is formed in the horizontal member of the frame member 2, so that the wooden joist 3 can be fixed thereto. As shown in FIG. 4, the frame material 2 and the wooden joists 3 are fixed by placing the wooden joists 3 on the horizontal members of the frame material 2 and using fixing tools 7 such as screws from below the horizontal members. Note that FIG. 7 is a partially exploded perspective view showing the fixing structure between the foundation 9 and the end portion 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 horizontal member of the frame member 2 is abutted and fixed to this notch 3a. In addition, as shown in FIG. 3, a notch 3b is formed on the lower surface of the central part of the wooden joist 3, and a connecting plate 6 made of a steel plate and a fastener 8 are fixed to this notch 3b. . Therefore, a fastener insertion hole 6a (FIG. 1(A)) 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 a floor beam 11 (see FIG. 1) provided on the lower surface of the floor panel 1. Note that FIG. 8 is a partially exploded perspective view showing the fixing structure of the floor beam 11 and the center portion of the floor beam 1. As shown in FIG.

As shown in FIG. 4, the surface material 4 is fixed to the upper surface of the wooden joist 3 coated with an adhesive (urethane type or the like) using fixing tools 17 such as nails while being pressed. 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 4. A batten 16 (see FIG. 5) is temporarily fixed to this 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). This heat insulating material 5 is in a separated state at the position of the working opening 23 in the center of the floor panel 1. Therefore, with the batten 16 removed and the working opening 23 formed, by inserting your hand into the floor panel 1 through the gap in the heat insulating material 5, the connection plate 16 can be opened.
The connection work between the floor beam 11 and the floor beam 11 can be performed.

As shown in FIG. 9, the floor beam 11 is made of H-shaped steel, and 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 11
A fixing device insertion hole 11a is provided in the upper flange of the holder, and it can be connected to the floor panel 1 by a fixing device 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 rectangular steel pipe extends from one end of the floor beam 11 with its upper surface aligned with the upper flange of the section 11 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 lid is provided at the other end of the floor beam 11 made of H-shaped steel, and the beam support member is fixed to the foundation 9 using a fastener insertion hole lie formed in the upper part of the mounting plate lid. 13 is fixed. Furthermore, a fastener insertion hole 11 for fixing the beam support member 13 to the end of the beam member 11c is also provided.
f is formed.

As shown in FIG. 9, the bundle 12 has a pair of bolts 12b erected on a base material 12a in which a fixing device insertion hole 12d for inserting an anchor bolt 24 is formed, and a support that can be raised and lowered is attached to the bolt 12b. A plate 12c is provided. The bundle 12 is mounted and fixed on a base plate 14 (see FIG. 9) embedded in an independent foundation 18 (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 beam 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 a factory. However, the battens 16 are temporarily fixed so that they can be removed. At the site, the floor panel attachment member 10 and the beam support member 13 are fixed using anchor bolts 20 (see FIG. 5.6) protruding from the upper surface of the foundation 9. Also, floor panel 1
An independent foundation 18 is formed at a position corresponding to the connecting plate 6, and the bundle 12 is erected on the upper surface of this independent foundation 18. Both ends of the floor beam 11 are fixed to beam support members 13 fixed to the foundation 9, respectively, and 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.

Fixing tool 1 attaches the floor panel 1 that has been brought in to the floor panel mounting member 10.
Fixed at 9. Batten 16 temporarily fixed to the center of floor panel 1
, put your hand between the working opening 23 and the insulation material 5,
A fixing tool 26 is attached to a nut 25 provided on the upper flange of the floor beam 11.
The floor panel 1 is fixed to the floor beam 11 by screwing them together. 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, a connecting plate 6 made of a steel plate is fixed to the lower surface of the frame material 2 and the wooden joist 3 in a state perpendicular to the longitudinal direction of the wooden joist 3, and this connecting plate 6 is attached to the floor panel 1. Since it is fixed to the floor beam 11 provided below, the strength of the floor panel 1 can be increased. Therefore, the floor panel 1 can be made large. 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. Further, since the cutout portion 3b is formed on the lower surface of the wooden joist 3, the connecting plate 6 can be fixed more easily. Furthermore, since the 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. Furthermore, since the wooden joists 3 are fixed to the horizontal members of the frame material 2, it is possible to prevent floor noise from occurring even when the wooden joists 3 contract in the longitudinal direction.

In the above embodiment, angle iron was used for the frame material 2, but channel steel or the like may be used, or it may be formed of wood.

(Effects of the Invention) According to the floor structure of the present invention, a steel connecting plate is fixed to the lower surface of the wooden joist forming the floor panel in a state perpendicular to the longitudinal direction of the wooden joist, and both ends are fixed to the foundation, respectively. Since the connecting plate is fixed to the floor beam, the strength of the floor panel can be increased. Therefore, the floor panel can be made large. Further, since the floor panel is formed by fixing wooden joists between a pair of opposing frame members, cutting and processing on site can be easily performed, and construction workability can be improved.

[Brief explanation of the drawing]

FIG. 1(A) is a plan view of a floor panel according to an embodiment of the present invention, FIGS. 1(B) and (C) are side views of the floor panel, and FIG. 2 is a plan view of the floor panel according to an embodiment of the present invention. Figure 3 is a partial side view of the central part of the floor panel, Figure 4 is a partially exploded perspective view of the floor panel, and Figures 5 and 6 are views of 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;
Figure 8 is a partially exploded perspective view showing the joint structure between the central part of the floor panel and the foundation, Figure 9 is a partly exploded perspective view showing the joint structure between the floor beam and five bundles of foundations, and Figure 10 is a pair of floor panels. FIG. 2 is a partially exploded perspective view showing a connection structure between a beam and a bundle. 1... Floor panel, 2... Frame material, 3... Wooden joist,
4...Surface material, 5...Insulating material, 6...Connecting plate, 1
1...Floor beam\Figure 2Figure 3

Claims (1)

[Claims] A plurality of wooden joists are fixed between a pair of opposing frame members, a surface material is fixed to the upper surface of the wooden joists to form a floor panel, and a steel connecting plate is attached to the lower surface of the wooden joists. A floor structure characterized in that the connecting plates are fixed to floor beams that are fixed in a perpendicular state and both ends of which are fixed to the foundation, respectively.