JPH0774493B2 - Hollow plate material fastening method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is made of a ceramic material widely used as a sound insulating wall on highways, railroad lines, etc. because it is easy to manufacture, inexpensive to obtain, light in weight and high in sound insulating property. TECHNICAL FIELD The present invention relates to a method for fastening a hollow plate material, which can be fastened to an extruded hollow plate material without exposing structural steel materials such as struts to the outside and without making a hole in the hollow plate material.

[0002]

2. Description of the Related Art Sound insulation walls installed on both sides of a highway or the like have to withstand and receive instantaneous wind pressure by a vehicle running inside, in addition to wind pressure due to wind. To form this using a hollow plate,
It must be supported by strong struts. Generally, a hollow plate material is perforated and attached to a column, but a problem of impairing the appearance is likely to occur. Therefore, a method of fastening the hollow plate material without making holes is being developed.

For example, as shown in FIGS. 8 and 9, the H steels that form the columns 1 are arranged at substantially the same intervals as the length of the hollow plate material, and the surfaces of the adjacent flange portions 2 of the H steels have the same horizontal direction. It is erected vertically so as to be located on a plane. This H steel 1
A bolt hole 4 parallel to the surface of the flange 2 and in the horizontal direction is formed at a position in the height direction where the hollow plate member of the intermediate plate portion 3 connecting the center of the flange 2 is fastened.

The front and rear flanges 2 of these adjacent H steels 2,
The end portions of the hollow plate member 5 where the through holes 5a are open are fitted between the two, and the back surface of each front flange 2 and
A sheet-like rubber packing 6 is arranged over the entire surface in the length direction between the fitted end faces of the hollow plate member 5.

On the front surface of the rear flange of the bolt hole of the intermediate plate portion 3 in which the end portions of the hollow plate member 5 are inserted so as to face each other from the above both sides, a thin wedge rubber 7 thickened toward the intermediate plate portion 3 is formed. Are glued and fixed.

A thin wedge rubber 8 is inserted between the thin wedge rubber 7 and the rear surface of the end portion of the hollow plate member 5 into which the end portion is fitted, which is thin in the direction of the intermediate plate portion 3. ing.

This thick wedge rubber 8 is provided with a bolt insertion hole 9 which matches the bolt hole 4, and a bolt 10
The end portions of the hollow plate member 5 are clamped by, and are fixed to the H steel, respectively. Since both the wedge rubbers 7 and 8 may be piece-shaped, they can be easily installed, and the sound insulation of the sound insulation wall formed is maintained by the packing 6. In this case, if the wedge rubbers 7 and 8 are long ones along the H steel 1, sound insulation is improved, but construction and material costs are increased.

[0008]

However, in the above-mentioned conventional method, one of the flanges of the H steel is exposed to the outside of the sound insulation wall, and there is a design disadvantage that the appearance is impaired.

The present invention has been made in view of the above circumstances, and the through holes are used to form an outer surface of a sound insulation wall formed of fastened hollow plate members without making holes in the hollow plate members. An object of the present invention is to provide a method for fastening a hollow plate material, in which anything other than a hollow plate material such as a pillar is not exposed, and yet a sound insulating wall that has high strength and easily withstands repeated wind pressure is formed. .

[0010]

In the method for fastening a hollow plate member according to the present invention, a rectangular hollow plate member provided with a large number of parallel through holes, a front plate portion having at least a predetermined width for fastening the rectangular hollow plate member, and Fastening of hollow plate material that forms a sound insulating wall for highways, etc. that uses a pillar consisting of an intermediate plate part that is formed integrally with one surface of the front plate part in the width direction at the center and is perpendicular to the surface along the length direction. In the construction method,

The pillar is erected with the front surface of the front plate portion having a predetermined width as the side to which the hollow plate material is mounted, and the end faces of the hollow plate material where the through holes are opened face each other at the center of the front surface in the width direction, and the U-shaped portion With one leg of the U-shaped part as it is, the other leg has a locking leg provided at the tip of the other leg at a right angle to the other leg and extending to the opposite side of the one leg. The one leg of each is inserted into each of the selected through-hole openings facing the hollow plate member, and the other leg is positioned between the hollow plate member and the front surface of the front plate member,
The locking leg is perpendicular to the front plate part and parallel to the intermediate plate part,
Tightening the locking leg in the direction approaching the intermediate plate portion with a bolt and nut was a means for solving the problem.

[0012]

Since the method of fastening the hollow plate member according to the present invention has the above-mentioned structure, the support can be made invisible from the outside, and the through hole is used for fastening, so that the plate member is retained. There is no need to provide holes for attachment.

[0013]

1 to 3 show an embodiment of the present invention, in which the same parts as those in FIG. 9 are designated by the same reference numerals to simplify the description.

In the present invention, the column 11 is the front plate 12
It suffices that the intermediate plate 13 and the intermediate plate 13 be provided, but normally H steel in which the rear plate 14 is integrally formed on the opposite side of the intermediate plate 13 from the front plate is used. That is, the front and rear plate portions 12 and 14 are front and rear flanges of H steel.

Further, the fastener 15 has a U-shaped portion 16 and
One leg 16a of the U-shaped part 16 is left as it is, and is formed by an end of the other leg 16b with a locking leg 17 which is perpendicular to the leg 16b and extends in the opposite direction to the one leg 16a. ing. The locking leg 17 is provided with a notch 17a through which a bolt is inserted, but the notch may be a bolt hole.

The front surface 12a of the front plate portion 12 of the column 11.
At the center in the width direction, the opening surfaces of the through holes 5a of the hollow plate member 5 are arranged so as to face each other.

One leg 16a of the fastening metal fitting 15 is inserted into each of the selected through holes 5a of the facing hollow plate members 5, and the other leg 16b is connected to the hollow plate member 5 and the front surface 12a of the front plate portion 12. The locking leg 17 is located between the front plate portion 1 and
It abuts on both sides of 2, and is projected perpendicularly to the front plate portion 12 and parallel to the intermediate plate portion 13.

Bolt holes 18 formed in the intermediate plate portion 13 are inserted into the notches 17a of the locking legs 17, 17 protruding in contact with both sides of the front plate portion 12, and fixed by nuts 19a. Both ends of the bolt 19 are inserted, and the nut 1
It is tightened by 9b.

By the above operation, the fastening metal fitting 15 is rotated around both sides of the front plate portion 12, so that one leg 16
The outer edge of the hollow plate member 5 is pressure-contacted by the other leg 16b in the through hole 5a at the tip of a, and the hollow plate member 5 is fixed to the column 11.

At this time, packing is provided between the tip of one leg 16a of the fastener 15 and the inner surface of the through hole 5a, the hollow plate 5 and the other leg 16b, and further between the front plate portion 12 of the column 11 and the locking leg 17. The hollow plate material may be intervened and the hollow plate material may be held mildly.

The sound-insulating wall having the above structure has a gap between the hollow plate members 5 and 5, but can be closed by filling the joint member 20.

Further, as shown in FIG. 4, when the recessed portions 21 are formed by cutting the opposite end surfaces of the hollow plate member 5 into which the fasteners 15 are inserted, the hollow plate members come into contact with each other and a joint material is used. It can be made to have a good appearance.

Further, although the mounting positions of the fastening metal fittings 15 are at the same level, the positions of the left and right fastening metal fittings 15 may be different as shown in FIGS. 5 and 6. in this case,
The bolts are ordinary bolts 22, which are inserted into the intermediate plate portion 13 and can be inserted into the notches 17a of the locking legs 17 and tightened with the nuts 19b, so that the construction is easy and as shown in FIG. Since the joint spacing is reduced by the thickness of the metal fitting, workability and appearance are improved.

[0024]

As described above, in the method for fastening a hollow plate material according to the present invention, the base material such as a support is not visible from the outside, only the hollow plate material is observed, and the through holes are used for the fastening. Therefore, since it is not necessary to perforate the plate material, the appearance is good, and the fastening is advantageous in that work efficiency is high because the locking legs of the fastening metal fittings can be drawn to the intermediate plate portion of the support.

[Brief description of drawings]

FIG. 1 is a horizontal sectional view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing an example of a fastener.

FIG. 3 is a view taken along the line III-III of FIG.

FIG. 4 is a view corresponding to FIG. 1 showing a state in which an end of a hollow plate member is shaved so that a column is not visible.

FIG. 5 is a view corresponding to FIG. 1 showing a state in which hollow plate materials are fastened with the fastening metal fittings in different stages.

6 is a view taken along the line VI-VI of FIG.

FIG. 7 is a view corresponding to FIG. 5 in which the U-shaped connecting portions of the left and right metal fittings are vertically positioned.

FIG. 8 is a front view showing an example of a conventional sound insulation wall.

9 is a sectional view taken along the line IX-IX of FIG.

[Explanation of symbols]

 1 Support 2 Flange of H Steel 3 Intermediate Plate 4 Horizontal Bolt Hole of Intermediate Plate 5 Hollow Plate 5a Through Hole 6 Sheet Packing 7 Thin Wedge Rubber 8 Thick Wedge Rubber 9 Bolt Insertion Hole 10 Bolt 11 Strut 12 Front Plate Part 12a Front face 13 Intermediate plate part 14 Rear face plate part 15 Fastening metal fitting 16 U-shaped part 16a One leg 16b Other leg 17 Locking leg 17a Notch 18 Bolt hole 19 Bolt 19 'Bolt 19a Nut 19b Nut 20 Joint material 21 Recessed part 22 Ordinary bolt

Claims (4)

[Claims] 1. A rectangular hollow plate member provided with a large number of parallel through holes, a front plate part having at least a predetermined width for fastening the hollow plate member, and a longitudinal direction substantially at the center of one surface of the front plate part in the width direction. A method of fastening a hollow plate that forms a sound insulation wall such as a highway using a pillar that has an intermediate plate that is formed integrally with and perpendicular to the surface. A pillar is erected on the side where the mounting is to be made, and the end faces of the hollow plate material where the above through holes are opened face each other at approximately the center in the width direction of the front face, and the U-shaped part is provided. One end of the fastening metal fitting is provided at the tip of each leg at right angles to the other leg and extending to the opposite side of the one leg. Insert each into the through-hole opening and attach the other leg to the hollow plate. Between the front plate and the front surface of the front plate portion, the locking leg is perpendicular to the front plate portion and parallel to the intermediate plate portion, and the locking leg is moved toward the intermediate plate portion by a bolt nut. Fastening method for hollow plate material characterized by tightening. 2. The method of fastening a hollow plate member according to claim 1, wherein one leg of the U-shaped portion is inserted into the through hole portion of the hollow plate member which faces the hollow plate member. 3. The method for fastening a hollow plate material according to claim 1 or 2, wherein the column is H steel. 4. A packing material is interposed between the hollow plate member and the fastening member, and the contact portion between the fastening member and the support.
Alternatively, the method for fastening the hollow plate material according to 3 above.