JPH102026A - Expansion joint for floor skeleton - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the transportation and improve the working property in construction by covering a fixed space between the floor skeleton of a building with a metallic floor panel cover, and arranging a reinforcing rib for reinforcing the cover on the central side of the reverse side of the cover. SOLUTION: A reinforcing rib 22 is housed within the recessed parts 13 of floor skeletons 1, 2 with a space, and positioning tools for mounting a floor panel cover 3 are arranged on both side ends on the space S side of a reinforcing material 21. Each positioning tool is inserted between the reinforcing rib 22 of the reinforcing material 21 and the reverse side of the cover 3, and screwed to an elliptic hole on the side wall of the reinforcing rib 22. In this case, the protruding quantity is regulated by a spring force so that the protruding width from the reinforcing material 21 is laterally uniformed. The reinforcing material 21 is fixed to the reverse side of the cover 3, so that the engaging parts of the positioning tools on both the sides are properly fitted in positions making contact with the inclined surfaces 6 of the floor skeletons 1, 2 in the erection to the floor skeletons 1, 2. Further, the space S between the reinforcing material 21 and the upper surface of the floor skeletons 1, 2 is regulated by a height regulating screw arranged on the reinforcing rib 22 to facilitate the carrying or construction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an expansion joint for a floor structure in which a gap including at least a floor structure of a building constructed oppositely is covered by a floor panel cover.

[0002]

2. Description of the Related Art In general, floor panels, especially for expansion joints, have to bear a considerable weight, as is known from the case of large gaps between opposing structures or, for example, from indoor parking lots. For this reason, a thick steel plate or stainless steel plate is also used for the floor panel cover that covers the floor frame of both buildings.

[0003]

However, a thick metal plate has high strength, but 70 to 100 kg / m ² .
Or it was so heavy that cutting and bending were troublesome, and carrying around and on-site construction work were also very laborious.

[0004] It is an object of the present invention to provide an expansion joint for a floor skeleton, which can maintain high strength, can be easily transported, and can easily perform work during construction.

[0005]

In order to solve the above-mentioned problems, an expansion joint for a floor skeleton according to the present invention provides a gap between a floor skeleton of one building and the other skeleton, which are constructed opposite to each other. In an expansion joint for a floor skeleton covered with a metal floor panel cover, the upper surface of the gap side of the at least one floor skeleton is formed in a concave shape, and at least the center side of the back surface of the floor panel cover,
A reinforcing rib for reinforcing the floor panel cover is provided integrally with or separately from the floor panel cover, and the reinforcing rib is housed in the concave portion.

[0006] It is preferable that an edge of the floor panel cover far from the gap except for the reinforcing ribs is overlapped with the floor frame surface.

The concave portion is formed on a support member provided on the upper surface on the gap side of the one floor frame, and the support member has a projection having an inclined surface formed on the opposite side of the gap. May be.

Further, the reinforcing rib has a cross section in the width direction of the gap, such as U-shape, C-shape, C-shape, V-shape, U-shape or Z-shape.
What is necessary is just to include any of the character shape.

The reinforcing rib may be formed in a pipe shape in the width direction of the gap, or may be formed in any of a honeycomb shape, a wave shape, and a net shape.

[0010] It is preferable that positioning members for determining a mounting position of the floor panel cover are provided on both side ends of the reinforcing rib on the gap side.

[0011] It is desirable to apply a non-slip finish for road surfaces on the upper part of the floor panel cover.

One side edge of the floor panel cover is tiltably engaged with the one skeleton side, and the other side of the floor panel cover is placed on the other floor skeleton or the supporting member. Good.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numerals 1 and 2 indicate concrete floor frames. These floor frames 1 and 2 are provided on a building constructed to face each other with a certain gap S therebetween. Floor panels 1 and 2 on both sides are provided with floor panel covers 3 and floor panels 1 and 2 are provided. An expansion joint is formed by connecting the cover 3 in the length direction of the gap S.

A plurality of anchors 4 are fixed to the surfaces of the floor frames 1 and 2 at regular intervals along the gap S. Each anchor 4 is fixed in a state of slightly rising from the surface of the floor frame, and a long supporting member 5 is provided on the anchor 4 on each side by roll forming, bending forming, extrusion, or the like, The upper surfaces of the floor frames 1 and 2 are configured by the support members 5. The outer upper surface of the support member 5 protrudes upward, and the inner surface 6 of the protrusion 5a is inclined. The outer engaging edge 7 of the support member 5 is the anchor 4
And the inner bent edge 10 is fixed to the bent piece 11 of the anchor 4 with a screw 12. Due to the support member 5, the upper surfaces of the floor skeletons 1 and 2 on both sides are formed in a concave shape near the gap S. Reference numeral 13 denotes the concave portion. As shown in FIG. 2, an anti-slip member 5b of a panel cover, which will be described later, is screwed to the protruding portion 5a of the concave portion 13 on one floor skeleton side to prevent the cover from shifting. The support member 5 is not always necessary. The concave portion may be formed directly with concrete.

An elongated plate-like water-stop plate mounting member 14 is fixed to the inner bent piece 11 of the anchor 4 on the gap S side, and the water-stop plate 15 is attached to the water-stop plate mounting members 14 on both sides. Are fixed by screws at both side edges. In addition, floor frames 1, 2
A long fire-resistant belt mounting member 16 is fixed to the surface of the, and both side edges of a fire-resistant belt 17 disposed on the back side of the water stop plate 15 are connected and fixed to the fire belt mounting members 16 on both sides. I have.

Next, a floor panel cover 3 is disposed on the surface of the support member 5. The floor panel cover 3 is a steel plate,
It is formed of a thin metal plate such as a stainless steel plate or an aluminum plate, and both side edges of the floor panel cover 3 are obliquely bent. On the surface of the floor panel cover 3, a finishing floor 18 made of a synthetic resin such as a vinyl chloride sheet is stretched. As shown in FIG. 2, both ends of the finished flooring 18 are sandwiched between both ends of the floor panel cover 3 and the metal retaining edge 9. The manner of stopping the side ends of the finished flooring 18 is not limited to this. The back surface of the floor panel cover 3 may be formed by another known floor finish.

The upper portion of the floor panel cover 3, that is, the surface of the finished floor material 18 is provided with a road surface non-slip finish. Such a non-slip 20 may have irregularities on its surface by press working, or may have a wavy surface. When the upper surface of the floor panel cover 3 is made of metal, a non-slip may be formed by etching or thermal spraying.

A reinforcing member 21 is provided at the center of the back surface of the floor panel cover 3 except for both side edges. This reinforcement 2
As shown in FIG. 4, 1 is made of a metal plate material in which projections and depressions are continuously formed in a wavy shape at regular intervals, and a bolt hole 24 is formed in the recess 23. .
A bent piece 22b for receiving a spring 31 of a positioning portion 30 described later is formed at an oblique end of the reinforcing rib 22, and a non-slip portion 21b is formed at one end of the reinforcing member 21. As shown in FIG. 2, the non-slip portion 21b is engaged with a fixing piece 5b fixed on the support member 5 to prevent the floor panel cover 3 from sliding in the left-right direction in the figure. Such a non-slip structure is, as shown in FIG.
The auxiliary fixing piece 5'b is fixed to the back surface of the
May be configured to engage with the fixing piece 5b.

On the back surface of the floor panel cover 3, a plurality of bolts 26 corresponding to the bolt holes 24 are protruded. Then, the bolt 26 of the floor panel cover 3 is inserted into the bolt hole 24 of the reinforcing member 21, and the reinforcing member 21 is fixed by the bolt 26 and the nut. At this time, the reinforcing ribs 22 are formed in the width direction of the gap S and have a dimension equal to or larger than the width of the gap S. The reinforcing ribs 22 are accommodated in the concave portions 13 of the floor frames 1 and 2 while leaving a space.

The reinforcing ribs of the reinforcing member 21 are not limited to the convex shape as described above. The cross section is E-shaped, letter-shaped, C
What is necessary is just to form so that it may include any of a character shape, a U shape, a V shape, and a Z shape. Further, the reinforcing rib 22 may be formed in a square pipe (or a round pipe, a shape in which hollow portions are arranged in parallel, or the like) as shown in FIG. Further, the reinforcing ribs 22
Is formed into a honeycomb structure as shown in FIG. 6, and a metal reinforcing member 21 having such a reinforcing rib 22 is provided on the floor panel cover 3.
And a back plate 28 so as to be sandwiched. The reinforcing back plate 28 may be fixed to the floor panel cover 3 by welding, bonding or bolting. Moreover, the reinforcing ribs 22 may be integrally formed on the back surface of the floor panel cover 3 as shown in FIGS.

According to the above configuration, since the reinforcing ribs 22 are accommodated in the recessed portions 13 of the floor frames 1 and 2 with a margin, even if the floor frames 1 and 2 are displaced due to vibration or immovable settlement.
The floor panel cover 3 can follow this.

The positioning members 3 for determining the mounting position of the floor panel cover 3 are provided at both ends of the reinforcing member 21 on the gap side.
Preferably, 0 is provided. This positioning tool 30 is shown in FIG.
As shown in FIG. 3, a diagonal engaging portion 30a is provided at the tip, a stop piece 30b with a hole is provided at the other end, and a coil spring is provided at the engaging portion 30a side.
Cut-and-raised mounting piece 30 for locking a spring 31 such as a leaf spring
c, and each positioning tool 30 is inserted between the reinforcing rib 22 of the reinforcing member 21 and the back surface of the floor panel cover 3 as shown in FIGS. Is fixed to the long hole by screws. The protrusion amount of the positioning tool 30 is adjusted by the spring force of the spring 31 and fixed so that the protrusion width of the positioning member 30 from the reinforcing member 21 is the same on the left and right. In this state, the reinforcing member 21 is fixed to the back surface of the floor panel cover 3 and the floor frames 1, 2
9, the engaging portions 30a of the positioning tools 30 on both sides are well fitted at positions where the engaging portions 30a contact the inclined surfaces 6 of the floor frames 1 and 2 as shown in FIG.
Cannot be adjusted left and right, the floor panel cover 3 is held at the set position. Note that the shape of the end of the positioning tool 30 may be appropriately changed according to the shape of the floor skeletons 1 and 2.

Similarly, the height adjusting screw 3 is attached to the reinforcing rib 22.
3 and the height of the head of the adjusting screw 33 is adjusted to adjust the gap S between the reinforcing member 21 and the upper surfaces of the floor frames 1 and 2 or the back surface of the reinforcing member 21 is supported. Inconvenience caused by contacting or floating with the member 5 can be prevented.

Next, FIGS. 10, 11 and 12 show examples of expansion joints between the floor frame 1 of one building and the wall frame 2A of the other building. FIG. On the 2A side, a Z-shaped support member 34 is fixed at a position corresponding to the floor frame 1, and a bent portion formed on the engagement edge 35 of the support member 34 at the end of the floor panel cover 3 and the finishing material 3 ′. The rim 36 is engaged. In the example of FIG. 11, the bent edge 38 of the floor panel cover 3 and the engagement edge 39 of the reinforcing rib 22 of the reinforcing portion 21 with the end piece 21b of the reinforcing rib 22 are provided at the lower portion of the support member 37 on the wall frame 2A side, and the bent edge is provided at the upper portion. Engaging edge 41 of joint hiding edge 40 for hiding the joint between edge 38 and wall frame 2A
Is formed with an engagement groove 42 for engaging the same. Further, similarly, in the example of FIG.
The bent edge 38 of the floor panel cover 3 and the reinforcing rib 22
And an engaging groove 47 for engaging an engaging edge 46 of a joint hiding edge 45 for hiding the joint between the bent edge 38 and the wall frame 2A.
Reference numeral 48 denotes an airtight edge, which enhances waterproofness and airtightness.

Next, FIGS. 13 and 14 show examples of other expansion joints. The floor panel cover 3 is made of a metal casting, and an engagement groove 50 is formed on the back side of one side edge thereof. An uneven anti-slip surface is integrally formed on the surface of the floor panel cover 3, and a ladder-like or net-like reinforcing rib 22 is integrally formed on the back surface. The reinforcing rib 22 is formed so as to be biased to only one side. At the center end of the reinforcing rib 22, a bulging portion 51 slightly higher than the reinforcing rib 22 is formed on the back side at an interval, and a screw hole 52 is formed at each bulging portion 51, and a height adjusting screw 33 is formed. Is screwed.

On the other hand, a support member 53 is fixed to the upper surfaces of the floor frames 1 and 2, and an engagement edge 54 having a shaft is formed on the support member 53, and the engagement edge 54 is provided on the floor panel cover. The third engagement groove 50 is tiltably engaged. And
The reinforcing ribs 22 are slightly separated from the floor skeletons 1 and 2 as a whole to enhance the tilting property. On the other hand, in the other floor skeleton 2, the protrusions 51 of the reinforcing ribs 22 of the floor panel cover 3 are formed on the upper surface of the floor skeleton 1. (If there is a support member, it is placed on the upper surface). In addition, 17 is a refractory zone.

[0027]

According to the first aspect of the present invention, since a reinforcing rib for reinforcing the floor panel cover is provided at least on the center side of the back surface of the floor panel cover, the structure can be compared with a conventional single plate. The thickness of the floor panel cover can be reduced. Therefore, carrying and construction can be performed easily without impairing the strength.

Further, the floor panel cover protrudes to the rear side by the amount of the reinforcing rib. However, since the reinforcing rib is accommodated in the concave portion of the floor frame, the floor panel cover does not protrude upward.

According to the second aspect of the present invention, the amount of protrusion of the two sides of the floor panel cover with respect to the surface of the floor skeleton is reduced, and a strong support is obtained by the reinforcing ribs, and the cover has no protrusion with the skeleton surface. It is a connecting part, which can prevent collision and the like, and has good aesthetics.

According to the third aspect of the invention, in addition to the effect of the second aspect, a strong and reliable support can be obtained at the concave projection of the support member.

According to the fourth, fifth and sixth aspects of the present invention, processing such as cutting and bending can be easily performed, and the structure of the reinforcing ribs can be specifically secured.

According to the seventh aspect of the present invention, the floor panel cover can be disposed by the positioning tool without being biased to any of the floor frames.

According to the eighth aspect of the present invention, walking and running can be smoothly performed by preventing the surface of the floor panel cover from slipping.

According to the ninth aspect of the present invention, since one side edge of the floor panel cover is engaged with one of the skeletons, the floor panel cover does not move away from the gap even if the skeleton changes. The position is stabilized, and the protrusion amount of the concave portion of the floor frame on which the other side edge of the floor panel cover is placed can be reduced.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an expansion joint for a floor frame according to the present invention.

FIG. 2 is an enlarged sectional view of an end of a floor panel cover.

FIG. 3 is an explanatory view of another example of a non-slip device.

FIG. 4 is a perspective view of a floor panel cover and a reinforcing member.

FIG. 5 is a sectional view of another example of a reinforcing rib.

FIG. 6 is a perspective view of another example of a floor panel cover and a reinforcing material.

FIG. 7 is a perspective view of an example of a positioning tool.

FIG. 8 is a bottom view showing a mounting state of the positioning tool.

FIG. 9 is a side view showing a mounting state of the positioning tool.

FIG. 10 is a cross-sectional view of a floor expansion joint provided at a corner.

FIG. 11 is a cross-sectional view of another example of a floor expansion joint provided at a corner.

FIG. 12 is a cross-sectional view of still another example of a floor expansion joint provided at a corner.

FIG. 13 is a sectional side view of another example of the floor expansion joint.

FIG. 14 is a plan view of a main part of the floor expansion joint.

[Explanation of symbols]

 1, 2 floor frame 3 floor panel cover 22 reinforcing rib 30 positioning tool

Claims (9)

[Claims] A floor frame expansion joint comprising a metal floor panel cover covering a gap between a floor frame of one building and the other frame, which are constructed opposite to each other. The upper surface on the gap side of the frame is formed in a concave shape, and a reinforcing rib for reinforcing the floor panel cover is provided integrally with or separately from the floor panel cover at least on the center side of the back surface of the floor panel cover. An expansion joint for floor frames characterized by being housed in a concave part. 2. The floor frame expansion joint according to claim 1, wherein an edge portion of the floor panel cover that is far from the gap except for the reinforcing ribs is superposed on the floor frame surface. 3. The concave portion is formed on a support member provided on an upper surface on the gap side of the one floor frame, and the support member has a projection having an inclined surface formed on the opposite side of the gap. The expansion joint for a floor skeleton according to claim 1. 4. The reinforcing rib according to claim 1, wherein the reinforcing rib includes any one of a cross section in the width direction of the gap, a U-shape, a C-shape, a V-shape, a U-shape and a Z-shape. Expansion joint for floor frame. 5. The floor joint according to claim 1, wherein the reinforcing rib is formed in a pipe shape in a width direction of the gap. 6. The floor frame expansion joint according to claim 1, wherein the reinforcing rib is formed in any one of a honeycomb shape, a wavy shape, and a net shape. 7. The floor frame expansion joint according to claim 1, wherein positioning members for determining a mounting position of the floor panel cover are disposed on both side ends of the reinforcing rib on the gap side. 8. The expansion joint for a floor frame according to claim 1, wherein a top surface of the floor panel cover is provided with a non-slip finish for a road surface. 9. The floor panel cover according to claim 1, wherein one side edge of the floor panel cover is tiltably engaged with the one skeleton side, and the other side of the floor panel cover is mounted on the other floor skeleton or the support member. Item 7. An expansion joint for a floor frame according to item 1.