JP2010077793A - Corner part joint cover - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a corner part joint cover capable of preventing deformation and damage from being caused even when a large automobile rides on its upper surface. <P>SOLUTION: This corner part joint cover 4A covers the upper face of a corner part in top view of a joint 3 formed between a floor 1 of a building and a ground 2 in the periphery thereof, and the corner part joint cover 4A is formed into longitudinal section structure with an iron solid plate 6 sandwiched in between a surface plate 5 in a surface side and a grating 7 in a bottom face side. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a corner joint cover that covers an upper surface of a corner portion of a joint formed between a floor of a building and the surrounding ground.

  Conventionally, as a joint cover that covers the upper surface of the joint formed between the floor of the building and the surrounding ground, there is a structure as disclosed in Patent Document 1, for example.

Japanese Patent No. 3828242

  The joint cover as disclosed in Patent Document 1 covers the upper surface of the linear joint, and such a joint cover is not provided on the upper surface of the planar view corner portion of the joint. For example, when a large vehicle rides on the corner portion, there is a problem that a member covering the upper surface of the corner portion of the joint is damaged.

The object of the present invention is to provide a corner joint cover that does not break even when a large vehicle rides, and the following measures are taken in order to achieve at least a part of this object.
The corner joint cover of the present invention is a corner joint cover that covers an upper surface of a corner portion in plan view formed between the floor of the building and the surrounding ground, and the corner joint cover is This is because solid steel plates are used as the structural material.

  The corner joint cover of the present invention uses a solid steel plate as a structural material, and therefore has a very high strength, can withstand the weight of a large vehicle, and is not damaged.

Further, the corner joint cover according to the present invention may be formed in a vertical cross-sectional structure in which a solid iron plate is sandwiched between a front surface plate and a bottom surface grating.
In this way, the strength is extremely high, and even when a large vehicle rides on the corner joint cover, it can withstand the weight of the large vehicle and will not be damaged.

In the corner joint joint cover of the present invention, the thickness of the solid iron plate may be 9 mm or more.
In this way, sufficient strength is ensured for the corner joint cover, and deformation or breakage does not occur when a large vehicle or the like rides on the upper surface.

It is an installation schematic block diagram of the joint cover which covers the joint formed between the floor of a building, and the surrounding ground. It is a longitudinal cross-section block diagram of the installation state of the corner part joint cover which covers the corner part of a joint. It is a plane schematic block diagram of the corner part joint cover covered by the corner part of the joint.

Next, the form for implementing this invention is demonstrated using an Example.
FIG. 1 shows a schematic vertical section of a corner joint cover covered on the upper surface of the joint and its corner portion. The artificial ground 2 formed around the floor 1 of the building The floor 1 side of the building is not shown in the figure, but is supported by a seismic isolation device having a buffering function and has a seismic isolation structure.
The joint 3 is formed with a predetermined width along the circumference of the floor 1 of the building, and is provided so as to be able to absorb relative horizontal shaking between the floor 1 of the building and the surrounding ground 2 during an earthquake. The bottom side of the joint 3 is a water channel 3a, and is configured such that rainwater or the like flowing into the joint 3 from above can be drained through the water channel 3a. In addition, 3b in FIG. 1 is an inner wall.

The corner joint cover 4A laid over the joint 3 is located on the free end side as shown by the imaginary line in FIG. 1 when the floor 1 and the ground 2 of the building approach each other due to horizontal shaking during an earthquake. In other words, the ground 2 side is lifted upward and rides on the ground 2. When the distance between the joints 3 is restored, the free end side is automatically returned to the same state as the ground 2. It is configured.
That is, the floor 1 side of the building of the corner joint cover 4A has a swingable structure, and the ground 2 side is a free end that can move up and down.

As shown in the schematic plan view of FIG. 3, the corner joint cover 4 </ b> A of this example can cover the corner portion between P <b> 1 and P <b> 2 in FIG. In addition, joint covers 4 and 4 configured by normal grating are respectively provided on the joint 3 on the P1 side and the P2 side of the corner joint cover 4A.
Conventionally, the corner portion of the joint 3 has no grating and is weak, and when a large vehicle rides on the corner portion, the corner portion is easily damaged. Therefore, a corner joint cover 4A having a structure as shown in the longitudinal sectional configuration diagram of FIG.

As shown in FIG. 2, the corner joint cover 4 </ b> A is formed in a vertical cross-sectional structure in which a solid iron plate 6 is sandwiched between a front surface plate 5 and a bottom surface grating 7. .
The surface plate 5 has a thickness of, for example, about 6 mm, the solid iron plate 6 below it has a thickness of about 45 mm, and the grating 7 below it has a thickness of about 44 mm.
A plurality of bolt holes 6 a, 6 a, 6 a are formed in the solid iron plate 6 so as to penetrate vertically, and bolts 10 are inserted into the bolt holes 6 a from the surface plate 5 side to the upper surface side of the grating 7. Thus, a solid iron plate 6 is sandwiched between the surface plate 5 and the grating 7 by tightening nuts to the bolts 10, 10, 10 from the lower side.

The grating 7 has a structure generally used as a grating, and is configured by arranging a main bar and a cross bar in a lattice shape.
In addition, the horizontal direction length of the solid iron plate 6 and the grating 7 is set to be substantially the same length, and is set to a length dimension that can be passed from the floor 1 side of the building to the ground 2 side. Yes.
The surface plate 5 is further formed with a cover plate portion 5a extending horizontally at the tip on the ground 2 side.

A step portion is formed on the floor 1 side of the building, and a receiving frame 12 having a substantially L-shaped cross section is provided on the step portion, and a hexagonal bolt 11 of M20, for example, passes through the receiving frame 12. The upper end side is erected on the stepped portion with the lower end side buried in the floor 1 of the building.
As shown in FIG. 3, the hexagon bolts 11 are arranged below the caps 9, 9, 9 provided at predetermined intervals on the floor 1 side of the building of the corner joint cover 4A. The lower end side is embedded and fixed on the floor 1 of the building.

The hexagon bolt 11 is screwed into a nut 14 that is welded and fixed to the bottom side of the receiving frame 12, and the head at the lower end thereof is embedded. Further, the hexagon bolt 11 is used to prevent loosening from the lower side of the nut 14. The nut 15 is tightened, and the weld nut 14 and the locking nut 15 are also embedded in the floor 1 of the building.
Anchors 13 and 13 are embedded in the floor 1 of the building, and the receiving frame 12 and the hexagon bolt 11 are firmly fixed and supported by the anchors 13 and 13.

A washer 16 and a cushion 17 are provided on the upper surface of the receiving frame 12, and the upper end side of the hexagon bolt 11 stands up through the washer 16 and cushion 17. A coil-shaped spring 18 is disposed, and a nut 19 is fastened to the hexagon bolt 11 with a washer interposed on the upper surface side of the coil-shaped spring 18.
The upper end side of the hexagon bolt 11 is connected to the floor 1 side of the building of the grating 7, so that the building floor 1 side of the corner joint cover 4 </ b> A can swing up and down via a spring 18. It has become.

On the other hand, a step portion is also formed on the ground 2 side, and a placing material 20 is provided on the step portion, and a receiving frame 20a is provided on the joint 3 side of the placing material 20, and this receiving frame 20a. An inclined receiving frame 20b that is inclined upward is provided on the opposite side. The free end side of the corner joint cover 4A is placed on the receiving frame 20a and the inclined receiving frame 20b with cushions 21 and 21 interposed therebetween.
An inclined member 8 having an inclined surface is attached to the bottom side of the cover plate portion 5a at the free ends of the solid iron plate 6 and the grating 7 of the corner joint cover 4A. The inclined member 8 has an upward inclined surface corresponding to the inclined receiving frame 20b.

  As described above, when the horizontal vibration of the floor 1 and the ground 2 of the building at the time of the earthquake occurs, the vibration is absorbed by the joint 3 but the horizontal width of the joint 3 is reduced. In such a case, the inclined member 8 rides on the inclined receiving frame 20b, and the free end side of the corner joint cover 4A rides on the ground 2 as shown in FIG. When the length is restored, the state as shown in FIG. 2 is restored, and a predetermined gap is formed between the inclined receiving frame 20b and the inclined member 8. This gap is covered with the upper cover plate portion 5a.

  The corner joint cover 4A having such a structure has a structure in which a solid iron plate 6 is sandwiched between them, and is designed to have a large strength. A large truck rides on the corner joint cover 4A, and the corner joint cover Even when the handle is cut on 4A and the tire of a large vehicle is rotated, the weight of the large vehicle is sufficiently supported, and the corner joint cover 4A is firmly held without moving in the horizontal direction. It is.

In the above embodiment, the solid iron plate 6 has a length from the floor 1 to the ground 2 of the building. However, the solid iron plate 6 may be shorter. Further, the solid iron plate 6 only needs to have a thickness of 9 mm or more.
In the above embodiment, the corner joint cover 4A has a vertical cross-sectional structure in which a solid iron plate 6 is sandwiched between the surface plate 5 on the front surface side and the grating 7 on the bottom surface side. A structure other than the grating 7 may be attached to the lower side of the solid plate 6, and the solid iron plate 6 may be provided on the lower side of the grating 7. Furthermore, a structure in which rubber or the like is sandwiched between the surface plate 5 and the solid iron plate 6 may be used, and the corner joint cover 4A is configured by only the surface plate 5 and the solid iron plate 6. May be.

DESCRIPTION OF SYMBOLS 1 Building floor 2 Ground 3 Joint 4 Joint cover 4A Corner joint cover 5 Surface plate 5a Cover plate part 6 Solid iron plate 6a Bolt hole 7 Grating 8 Inclined member 9 Cap 10 Bolt 11 Hexagon bolt 12 Receiving frame 14, 15 19 Nut 16 Washer 17, 21 Cushion 18 Spring 20a Receiving Frame 20b Inclined Receiving Frame

Claims (3)

A corner joint cover that covers an upper surface of a planar corner portion of the joint formed between the floor of the building and the surrounding ground,
The corner joint cover is made of a solid steel plate as a structural material. 2. The corner portion according to claim 1, wherein the corner joint cover is formed in a longitudinal cross-sectional structure in which the solid iron plate is sandwiched between a front surface plate and a bottom surface grating. Joint cover. The corner joint joint cover according to claim 1 or 2, wherein the solid iron plate has a thickness of 9 mm or more.

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