JPH0415331B2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a method for installing a light-transmitting soundproof wall.

Conventionally, transparent soundproof walls for expressways are formed by fixing polycarbonate sheets with bolts to vertical and horizontal angle frames constructed along the road.
However, since this opening area is relatively small, not only does the original purpose of seeing through the room be lost, but since the soundproof wall is a vertical plane, distortion of the reflected image or perspective image occurs. The problem becomes more pronounced as the value increases, so the current situation is that it is not possible to increase the aperture area.

The purpose of the present invention is to eliminate such drawbacks of conventional light-transmitting soundproof walls. This makes it possible to install the H steels at regular intervals along the road and drop the soundproof panels, which have been previously formed to the same curvature, into the grooves that face each other, making installation easier. It is characterized by reducing or eliminating image distortion by curving the sheet.

Next, embodiments of the present invention will be specifically described with reference to the drawings.

Figure 1 shows a translucent soundproof wall obtained by the present invention. In the figure, 1 is an H steel that is a support for the soundproof wall, 2 is a soundproof panel, and these supports and soundproof panels are facing toward the road side. It is concavely curved with a predetermined curvature. This curvature is determined appropriately depending on road conditions, but usually the radius of curvature R is 2000 mm or more.
Approximately 3000mm is preferable.

The pillar 1 has the strength necessary to support the soundproof wall, and also has a groove into which the soundproof panel 2 can be inserted and held. For this purpose, H steel is usually used. However, the material may be other than steel, e.g.
It may be a structural material such as FRP, and the H steel in the present invention is a general term for these materials. These H steels are curved in advance into a concave shape toward the road side, as illustrated in FIG. 3, and are installed along the road at regular intervals in accordance with the width of the soundproof panel 2. What is important here is that the curvature of each H steel is substantially the same, and that the curvature of the entire H steel is substantially the same. If this curvature is not constant, the soundproof panel 2
This is because it cannot be inserted into opposing grooves of steel by dropping from above. Therefore, if the soundproof panel can be inserted in this way,
There is no problem even if there is some variation in the curvature.

Next, the soundproof panel will be explained. FIG. 2 shows an example of a general soundproof panel. As is clear from the figure, the soundproof panel 2 is formed by stretching a translucent synthetic resin soundproofing board 5 over a mounting frame surrounded by a horizontal frame 4 and a vertical frame 6. In this case, the vertical frame 6 is curved concavely with respect to the road side with substantially the same curvature as the curvature of the H steel 1 described above. The size of the mounting frame is selected to provide an opening area that provides a sufficient field of view, and usually a vertically long rectangle with a width of about 1.5 m to 2.0 m is appropriate.

As the synthetic resin soundproof board 5, a material having translucency, strength, and weather resistance, such as a polycarbonate sheet, is used, for example. Then, if necessary, it is bent in advance to match the curvature of the vertical frame 6 so that it can be easily stretched along the frame surface of the mounting frame. There are no particular limitations on how to attach the soundproofing board 5 to the mounting frame, but it is convenient to fasten it to the vertical frame 6 and horizontal frame 4 using screws 9 via the holding plates 7 and 8, mainly for ease of workability. .
At this time, in order to uniformly tighten the soundproof board 5 and prevent rainwater from entering, it is preferable to interpose a gasket 10 between the soundproof board 5, the holding plates 7 and 8, and the vertical and horizontal frames.

Next, to explain the construction method for assembling a soundproof wall from the soundproof panels 2 of the H steel 1, as shown in Fig. 3, the soundproof panels 2 are installed in the opposing grooves of the H steel 1 installed along the road. Insert the upper frame 3 from above (see Figure 1).
Fix it with. The soundproof panel 2 inserted into the groove of the H steel 1 is attached to its vertical frame 6 as illustrated in FIG.
By tightening the bolt 11 between the H steel and the H steel 1, the H steel is pressed against the road side and firmly fixed.

As described above, in the present invention, since the H steel and the soundproof panel constituting the soundproof wall are curved concavely toward the road side with a constant curvature, The formed soundproof panels can be assembled and constructed by dropping them, which not only improves work efficiency, but also reduces distortion of reflected or perspective images because the walls of the soundproof panels are curved in this way. . Furthermore, by curving the soundproof panel, it can be made stronger than a conventional flat soundproof wall, so the opening area of the soundproof panel can be expanded, and a larger field of view can be obtained. Furthermore, since the soundproof wall is curved concavely toward the road side, the soundproofing effect is also good.

[Brief explanation of drawings]

The drawings show embodiments of the present invention; FIG. 1 is a perspective view showing the entire soundproof wall, FIG. 2 is a perspective view of the soundproof panel, and FIG. 3 is a perspective view showing the state when the soundproof panel is assembled into H steel. 4 and 4 are sectional views taken along the line YY' in FIG. 2, and FIG. 5 is a sectional view taken along the line XX' in FIG. 2, respectively. In the figure, 1 is an H steel, 2 is a soundproof panel, 4 is a horizontal frame, 5 is a soundproof board, and 6 is a vertical frame.

Claims (1)

[Scope of Claims] 1 H-steels, which are curved concavely toward the inside of the road at a predetermined constant curvature in the longitudinal direction of the soundproof wall, are arranged along the road so that the grooves of adjacent H-steels face each other. A mounting frame is installed at regular intervals in the grooves of the H steel and is surrounded from above by a horizontal frame and a vertical frame curved with substantially the same curvature as the curvature of the H steel. After fitting the soundproofing panel with the transparent synthetic resin soundproofing board attached to it by dropping it along the curved surface of the vertical frame, the soundproofing panel is fixed by tightening the mounting frame to the H steel. A method for installing a translucent soundproof wall for roads, which is characterized by: 2. The method for installing a light-transmitting soundproof wall for roads according to claim 1, wherein the synthetic resin soundproof board is a polycarbonate board. 3. The method for installing a translucent soundproof wall for roads according to claim 1, wherein the radius of curvature of the 3H steel is 2000 to 3000 mm.