JP3434349B2 - Tunnel interior material mounting structure - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a tunnel interior material. 2. Description of the Related Art In general, as a mounting structure of a tunnel interior material, an interior material obtained by driving a tile into a glass fiber reinforced cement material or a hard calcium silicate plate is used. They were mounted with a space provided between them via a fixture. [0003] However, these mounting structures have the following disadvantages. That is, since the tile is applied to the entire surface of the interior material, it is not possible to form a large piece per tile due to the problem of strength, and the construction efficiency is poor. Dirt easily adheres to depressions between tiles on the surface of the decorative surface, and dirt does not easily fall off even after cleaning. Tiles are easily peeled or dropped due to vibrations such as passing vehicles, earthquakes, or cleaning, and it is difficult to replace tiles when they are damaged. It is difficult to adjust for unevenness of the surface material, the position of the anchor bolt, and the deviation of the angle. And so on. SUMMARY OF THE INVENTION [0004] In order to eliminate such disadvantages, the present invention relates to an interior material of a long hollow porcelain plate having a flat decorative surface and a glaze layer, which is fired at 1000 ° C. or more. A plate made of a steel plate bent along the tunnel base, which is a base for fixing a long and narrow interior material in the longitudinal direction, and a substantially L attached to the plate surface according to the width of the interior material.
Upper and lower guides, cushioning material consisting of two layers of synthetic rubber laid between the plate and the interior material, and both ends inserted into the hollow portion of the interior material and fastened to the plate at the vertical joint of the interior material It consists of an interior material support member that fixes the interior material to the plate material, and an L-shaped angle that fixes the plate to the tunnel base. The interior material is lightweight and large, so workability is good and dirt adheres. The present invention proposes a mounting structure for a tunnel interior material that is difficult to clean, can be easily cleaned, does not peel off, is easy to maintain such as replacement of the interior material, and is easy to perform regardless of the state of the tunnel foundation. . An embodiment of a mounting structure for a tunnel interior material according to the present invention will be described below with reference to the drawings. That is, FIG. 1 is a schematic cross-sectional view showing a typical embodiment of the invention, and 1 is a tunnel foundation made of concrete or the like,
11 is a lower end connection part, 12 is an intermediate connection part, and 13 is an upper end connection part. More specifically, FIG. 2A,
(B) is a cross-sectional view and a front view, respectively, showing a part of the representative example, and FIG. 3 is an enlarged perspective view of the intermediate connecting portion 12 by removing the interior material 7 on one side. Plate, 3
Is an upper guide, 4 is a lower guide, 5 is a lower cushion material, 6 is an upper cushion material, 7 is an interior material, 8 is an interior material support member, 9 is a base fixing material, and 10 is a plate fixing material. The plate 2 is a steel plate which is long in the substantially vertical direction, and has a thickness of 2 to 5 mm, a width of 50 to 150 mm, and a length corresponding to the mounting height of the interior material 7. It is bent at the horizontal joint part of the interior material 7, and is located on the entire back side of the vertical joint part of the interior material 7,
It has a function as a base on which the interior material 7 is mounted. The upper guide 3 and the lower guide 4 function as a guide when the interior material 7 is attached and a fixing member after the attachment, respectively, and are both steel plates having a thickness of 2 to 5 mm and the same width as the plate 2. Is formed in an L-shape so that the outer end thereof is positioned so as not to protrude from the decorative surface of the interior material 7 after construction. When the upper guide 3 is fixed to the plate 2, it is fixed to a predetermined position by welding. In addition, since the lower guide 4 is easily weighted by the interior material 7, a fixing tool α such as a bolt and a nut is provided at a predetermined position together with the plate fixing material 10 and the plate 2 described later.
After that, it is strongly fixed to the plate 2 by welding or the like. The upper guide 3 and the lower guide 4 may directly contact the upper surface and the lower surface of the interior material 7 after construction,
Both are preferably provided with a gap of about 0.5 to 2 mm so that the impact due to vibration or the like and the influence of the dimensional change resulting therefrom are not directly transmitted to the interior material 7. The lower cushioning material 5 is made of synthetic rubber or the like which is excellent in durability and corrosion resistance and has high elasticity. The lower cushioning material 5 is laid on the surface of the plate 2, between the lower guides 3 and 4, and in a portion covered by the interior material 7. , The upper and lower guides 3 and 4 have a thickness about 0.1 to 1 mm thicker than the upper and lower guides 3 and 4.
Prevents direct contact between the upper and lower guides 3, 4 and the interior material 7,
The purpose of the present invention is to alleviate the transmission of the impact caused by the passage of the vehicle, the earthquake or the like to the interior material 7. The upper cushioning material 6 is a lower cushioning material 5
Similarly to the above, it is made of synthetic rubber or the like which is excellent in durability and corrosion resistance and has high elasticity, and is adhered to the back surface of the interior material 7 with an adhesive or the like on a portion of the back surface of the interior material 7 which covers the plate 2. Plate 2 and interior material 7 as well as cushion material 5
It has the role of preventing direct contact with the vehicle and mitigating the transmission of impacts due to vehicle passage, earthquakes, etc. to the interior material 7, and the interior material 7 can be used to prevent impacts such as earthquakes, rear-end collisions of vehicles, flying stones, etc. It has a role of preventing falling when it is broken by receiving. Note that the upper cushioning material 6 can be applied to the entire back surface of the interior material 7 to further enhance the prevention of peeling. The interior material 7 is mainly composed of clay, to which inorganic and organic fibers are added, extruded as a hollow body, dried and fired at about 1000 ° C. or more to form a glaze layer on its decorative surface. And the thickness is 25-50mm and the width is 40
It is a long porcelain plate with a length of about 0 to 1000 mm and a length of about 900 to 2700 mm.
In addition, stain resistance, without deterioration by repeated washing,
It is a tunnel interior material with extremely excellent specular gloss and diffuse reflectance. The interior material 7 is shown in FIGS.
It is formed as shown in (e) to improve the design. The interior material supporting member 8 is formed by an L-shaped angle or the like having a size capable of being inserted into the hollow portion of the interior material 7 and having a horizontal length of about 80 to 150 mm. And is fixed to the plate 2 with a fixing tool α at a substantially central portion which is a vertical joint portion of the interior material 7. Although there is no particular designation for the hollow portion of the interior material 7 to be inserted and fixed, it is preferable to provide a second hollow portion in each of the upper and lower portions in total, since the hollow portion is resistant to dimensional change and is fixed stably. As the fixing tool α used at this time, a hexagon socket head bolt is preferable because it is fastened to a narrow vertical joint. After the interior material supporting member 8 is fastened, no decoration such as a caulking material and a joint cap is applied to the joint to prevent contamination of the decorative surface and improve workability and durability against washing. For connection and fixing between the plate 2 and the tunnel base 1, a lower end connection part 11, an intermediate connection part 12, and a base fixing material 9, a plate fixing material 10, and an anchor bolt A provided on the tunnel base 1 are provided. A space is provided between the tunnel base 1 and the back surface of the interior material 7 through the upper end connection portion 13 so that not only functions for passing cords and pipes such as electric wires and telephone wires, but also the interior material 7 is provided.
Is not directly affected by a change in the state of the tunnel foundation 1, and has a function of buffering vibrations and impacts caused by a vehicle passing, an earthquake, or the like. The base fixing member 9 is formed by forming a steel plate having a thickness of 2 to 5 mm and the same width as the plate 2 in an L shape.
As shown in FIG. 5A, a fixing piece 9a and a connecting piece 9b on the tunnel base 1 side are provided, and a fixing hole 9 is provided at the center of the fixing piece 9a.
c, a connection hole 9d is formed in the connection piece 9b.
The fixing holes 9c are elongated in the longitudinal direction to adjust the position of the fastening when the base fixing material 9 is fastened to the anchor bolt A provided on the tunnel foundation by a double nut, and to vertically move the anchor bolt A. It serves to absorb dimensional errors in the direction, and the connecting holes 9d are formed in two places in the transverse direction symmetrical with respect to the center, so that the plate fixing member 10 using bolts and nuts can be used. Of the anchor bolt A to adjust the fastening position of the anchor bolt A to absorb the dimensional error in the left-right direction. The plate fixing member 10 is formed by forming an L-shaped steel plate having a thickness of 2 to 5 mm and the same width as the plate 2 like the base fixing member 9 as shown in FIG. It is composed of a fixing piece 10a and a connecting piece 10b on the plate 2 side,
A fixing hole 10c is formed at the center of the fixing piece 10a, and a connection hole 10d is formed at the center of the connecting piece 10b. Fixing hole 10c
Is for fastening the plate fixing member 10 to the plate 2 with bolts and nuts. The connection hole 10d is formed to be a long hole in the lateral direction, thereby helping to further expand the range in which the dimensional error of the anchor bolt A in the left-right direction can be absorbed. Foundation fixing material 9 and plate fixing material 10
By mutually adjusting and fastening each other, it is possible to smoothly and regularly finish the entire surface when a plurality of interior materials 7 are continuously applied. The base fixing material 9 and the plate fixing material 10
Are used as a pair, but as shown in FIG. 6A, the fixing pieces 9 of the base fixing material 9 are formed at the lower end connecting portion 11 at the lowermost end.
The fixing piece 9a of the base fixing material 9 is prevented from appearing externally by combining the fixing piece 9a of the base fixing material 9 with the fixing piece 10a of the base fixing material 9 above the connecting piece 9b and the fixing piece 10a of the plate fixing material 10 below the connecting piece 10b. In the intermediate connection portion 12 at the second stage or higher,
As shown in (b), the fixing piece 9a is located below the connecting piece 9b, and the fixing piece 10a is located above the connecting piece 10b. The part 12 aims to improve workability. The upper end connecting portion 13 at the uppermost end is assembled as shown in FIG. Next, a construction example will be described. Interior materials 7
As shown in the cross section in FIG. 1, the decorative surface is white and the width is 620.
A long porcelain plate having a long hollow section with a length of 1830 mm fired at 1250 ° C. and having a thickness of 30 mm and a thickness of 30 mm shall be used. . First, an anchor bolt A provided at a predetermined position on the surface of the tunnel base 1 is passed through a fixing hole 9c of the base fixing material 9 and fastened with a double nut at a height corresponding to the unevenness of the surface of the tunnel base 1. Then, the connecting pieces 9a, 10a of the base fixing material 9 and the plate fixing material 10 are fastened with bolts and nuts through the respective connecting holes 9d, 10d. At this time, by adjusting the position of the fixing hole 10c of the plate fixing material 10, the interior material 7 is substantially parallel to the tunnel base 1,
And it should be finished smoothly. Next, the plate 2 is fastened to the plate fixing member 10 with bolts and nuts. At this time, the upper guide 3, the lower guide 4, and the lower cushion material 5 may be attached to the plate 2 in advance, but the plate 2 may be attached to the plate fixing material 10 in advance. After fastening, the interior material 7 provided with the upper cushioning material 6 may be attached. Intermediate connection 9 after construction
Is a configuration as shown in FIG. 7 taking a perspective view as an example as viewed from the back side of the plate 2. As described above, according to the mounting structure for a tunnel interior material according to the present invention, since the interior material having a flat decorative surface and a glaze layer is used, the interior material is hardly stained, and the interior material is cleaned by cleaning. Can be easily removed without deteriorating the surface. A space is provided between the base of the tunnel and the backside of the interior material, and a cushioning and vibration-proof cushioning material is interposed between the plate and the interior material. In addition, it is resistant to changes in the condition of the tunnel foundation after construction. Since the connection and fixation of the tunnel base and the interior material have a structure that can absorb dimensional errors, the construction is easy and the finish is beautiful. Since no decoration is given to the joint, not only is the construction easy, but also no dirt is generated from the joint, and there is no damage due to cleaning. It is a safe interior material without peeling and falling of the interior material. Even if the interior material is damaged, it can be easily replaced. There are features and effects.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view showing a typical embodiment of a mounting structure for a tunnel interior material according to the present invention. FIG. 2 is a cross-sectional view and a front view showing a part of a mounting structure of a tunnel interior material according to the present invention. FIG. 3 is an enlarged perspective view of an intermediate connecting portion by removing an interior material on one side of a mounting structure for a tunnel interior material according to the present invention. FIG. 4 is a sectional view showing another example of a tunnel interior material used in the present invention. FIG. 5 is an explanatory view of a base fixing material and a plate fixing material used in the present invention. FIG. 6 is an explanatory diagram of a usage example of a base fixing material and a plate fixing material used in the present invention. FIG. 7 is a perspective view of the intermediate connection portion of the present invention as viewed from the back surface side. [Description of Signs] A Anchor bolt α Fixture 1 Tunnel base 2 Plate 3 Upper guide 4 Lower guide 5 Lower cushion material 6 Upper cushion material 7 Interior material 8 Interior material support member 9 Base fixing material 9a Fixing piece 9b Connection piece 9c Fixing hole 9d Connecting hole 10 Plate fixing material 10a Fixing piece 10b Connecting piece 10c Fixing hole 10d Connecting hole 11 Lower connection part 12 Intermediate connection part 13 Upper connection part

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E21D 11/04

Claims (1)

(57) [Claims 1] A tunnel which is a base for fixing an interior material which is a hollow long porcelain plate fired at 1000 ° C. or higher and an interior material which is long and narrow in a vertical direction. A plurality of plates bent along the base, a pair of upper and lower guides above and below a plurality of stages attached to the plate surface according to the width of the interior material, between the interior material on the plate The lower cushion material laid, the upper cushion material laid on the back of the interior material, the interior material support member that inserts both ends into the hollow part of the interior material and fixes the interior material to the plate, and the plate as the tunnel base A mounting structure for a tunnel interior material, comprising a fixed L-shaped short angle to be fixed.