JP3479117B2 - 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. More specifically, the present invention relates to a mounting structure of a tunnel interior material which has weather resistance and durability as an interior material of the tunnel, and can prevent spalling against vibration such as an earthquake. 2. Description of the Related Art In general, as a mounting structure of a tunnel interior material having a tile on a decorative surface, a tunnel is provided by directly fixing a porcelain tile to a hard calcium silicate plate via a metal fixture fixed with screws or the like. It was to be fixed to the base. [0003] However, this mounting structure has the following disadvantages. That is,
(1) The fastening part of the fixture is often located behind the interior material or the like, and the workability is poor. (2) Since the fixture is directly fixed to or integrated with the tunnel interior material using screws or the like, the burden of the weight of the tunnel interior material is concentrated at the location, which is likely to cause damage. Due to the change in the surface condition of the surface, breakage easily occurs. (3)
If the tunnel interior material is damaged, it is difficult to replace it. [0004] In order to eliminate such drawbacks, the present invention is a completely inorganic, long hollow body manufactured by extrusion molding using cement as a main raw material.
A tunnel interior material consisting of a substrate having concave grooves on the upper and lower sides and a tile fixed to the surface of the substrate via an adhesive layer, and a tunnel interior material fixedly connected to a tunnel foundation at the groove , interior materials upper fixing member consisting of two members, the three consists member interior material upper and lower ends between the fixed member, of one piece only
It is fixed from the material lower end fixing member , easy to install,
The interior material is hard to be damaged and it is easy to replace even if it is damaged, it is resistant to change in the condition of the tunnel foundation after construction, and it is easy to install the interior material regardless of the state of the tunnel foundation and anchor bolts. It proposes an attachment structure. 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 representative embodiment of the present invention. 1 is a tunnel foundation (hereinafter simply referred to as a foundation) made of concrete or the like, 2 is a tunnel interior material (hereinafter simply referred to as an interior material), 7 is an interior material upper end fixing member , 8
The interior material upper and lower ends between the fixed member, 9 is the inner Paneling lower fixing member. FIG. 2 (a)
3B is a cross-sectional view showing a part of the representative example extracted, and FIGS. 3A to 3C are interior materials of the representative example, respectively.
Upper fixing member 7, the interior material on the lower end between the fixed member 8, under interior material
It is a cross-sectional view showing the end fixing member 9 in an extracted manner, 10 is a connecting member, 11 is an upper holding member, 12 is a lower holding member, 13 is a lowermost member, and A is an anchor bolt. As shown in FIG. 2A, the interior material 2 includes a substrate 3 which is a body of the interior material 2, a concave groove 4 continuously provided in the upper and lower ends of the substrate 3 in the longitudinal direction, And a tile 5 fixedly laid on the surface side with an adhesive layer 6 interposed therebetween. The interior material 2 may be formed into a cross-sectional shape as shown in FIGS. 9A to 9E to improve the design. The substrate 3 is, for example, a long hollow body or the like manufactured by extruding a material such as cement, asbestos, an admixture, and water, and then performing curing, autoclave, and the like. Since it has the groove 4 on the lower side and has high rigidity and high strength, a large supporting span can be taken, so that only a small number of fixing members are required and the workability is good and the interior material is economical. Further, it is completely inorganic, has excellent fire-resistant brain, and does not ignite in the event of a fire in a tunnel or the like. [0009] The material is a clay material obtained by crushing pottery stone, feldspar, kaolinite, halloysite, metahalloysite, Kibushi clay, vermiculite clay, Shigaraki clay, etc. and kneading it with water, or cement, calcium carbonate system,
Calcium silicate-based, wood chip cement-based, magnesium carbonate-based materials, sizing boards, sizing insulation boards, etc., or mixed with glass fibers, whiskers, aramid fibers, steel fibers, carbon fibers, various mineral fibers, various aggregates, etc. What was formed by extrusion molding, press molding, injection molding, papermaking method, etc., or what was obtained by weaving various fibers into a cloth shape, three-dimensional shape, and impregnating it with cement, clay, etc. to form a panel shape It is made of steam cured or calcined. In addition, by burying the wire or passing the wire through the hollow portion, it is possible to enhance the prevention of scattering in case of breakage. [0010] The substrate 3 is mainly composed of clay,
Inorganic fibers and organic fibers may be added thereto, extruded as a hollow body, dried, and fired at about 1000 ° C. or higher. The groove 4 is formed when the substrate 3 is extruded, and has two peaks on the front side and the back side as shown in FIG. 2B. The mountain 4a on the back side is an interior material
Upper fixing member 7, the interior material on the lower end between the fixed member 8, under interior material
Since it is used to fix the interior material 2 to the base 1 via any one of the end fixing members 9 , it is made thicker than the front surface side, and the inside is inclined. The crests 4b on the front surface serve to prevent the fixing member from appearing in the appearance and to improve the aesthetic appearance. The tile 5 is a smooth and high-hardness porcelain tile, has a mainly white color tone, and is excellent in reflectance, glossiness and stain resistance. Further, joint rate at the surface is 5% or less, the rate of definitive on the surface of the tile 5 is to 95% or more. In addition, the tile 5 can be made into an arbitrary shape and arrangement, and can also be made into two. In addition, it is also possible to suppress the reflectance so that the interior material 2 is reflected by the light of the vehicle and the driver 's eyes are not dazzled. The adhesive layer 6 is used for fixing the tile 5 to the substrate 3 and may be formed by mortar containing an admixture such as a synthetic emulsion by pressure bonding, adhesion, or a mask method. After the surface has been applied, it is preferable that a comb is provided with a comb and the tiles 5 are stuck so as to be squeezed, and the tapping is performed. The interior material upper end fixing member 7 connects and fixes the upper end of the uppermost row of interior materials 2 to the base 1 via anchor bolts A, as shown in FIG. Interior material upper end solid
The fixing member 7 includes a connecting member 10, an upper holding member 11, and an anchor bolt A. FIG. 4 shows an interior material upper end fixing member 7.
FIG. 4 is a view of the interior material 2 viewed from directly above near the vertical joint,
Each interior material upper end fixing member 7 is 100 to 100 mm from the side end of the interior material 2.
It is provided at a position of about 250 mm. As shown in FIG. 3 (b), the fixing member 8 between the upper and lower ends of the interior material is provided in a horizontal gap between the interior materials 2, and the lower end of the upper interior material 2 and the lower interior material are provided. The upper end of 2 is connected and fixed to the base 1 via the anchor bolt A. The fixing member 8 between the upper and lower ends of the interior material includes a connecting material 10,
An upper retainer 11 and lower retainer 12, and is composed of an anchor bolt A, are those provided in the same manner as interior materials upper fixing member 7 from the side end of the interior material 2 to the position of 100~250mm position. The interior material lower end fixing member 9 is for connecting and fixing the lower end of the lowermost row of interior materials 2 to the base 1 via anchor bolts A, as shown in FIG. Interior material bottom fixed
The fixing member 9 is composed of a lowermost member 13 and an anchor bolt A, and is 100 to 250 mm from the side surface of the interior material 2 like the interior material upper end fixing member 7 and the interior material upper and lower end fixing portion 8.
It is provided at the position of the order. The connecting member 10 is made up of the interior material upper end fixing member 7 and the interior material.
As shown in FIG. 5 (a), the base material 1 is a short material formed of a steel material or the like in a substantially U-shape.
Side 10a, connection side 10b, and guide side 10c
And a fixing hole 10d in the center of the fixed side 10a,
A connection hole 10e is formed in the center of the connection side 10b. The guide side 10c is in contact with the back surface of the interior material 2 and serves as a guide when the interior material 2 is attached. When fastening with the double nut to the anchor bolt A provided on the base 1, the fastening position is adjusted to help absorb the vertical dimensional error of the anchor bolt A, and the connection hole 10e is The hole has a circular shape or a long hole in the front-rear direction with respect to the interior material 2 as shown in FIG. The upper holding member 11 is connected to the interior material upper end fixing member 7 .
It is used for the fixing member 8 between the upper and lower ends of the interior material , and is formed by bending a steel material or the like at a predetermined angle as shown in FIG. 6A, and is composed of a connection side 11a and a fitting side 11b. A connection hole 11c is formed on the connection side 11a. The fitting side 11b is bent at the same angle as the inner side of the mountain 4a on the back surface side of the groove of the interior material 2, and is fixed by sandwiching the upper end of the interior material 2 together with the guide side 10c. The connection hole 11c is a long hole in the front-rear direction with respect to the interior material 2 as shown in FIG. 6 (a) or a circular hole as shown in FIG. 6 (b). By making at least one of the holes 10e a long hole, the position of the connecting member 10 and the upper holding member 11 is adjusted when the connecting member 10 and the upper retainer 11 are fastened using bolts and nuts, so that the interior material 2 can be stably and strongly fixed. It is to be. The lower holding member 12 is a fixing member between the upper and lower ends of the interior material.
Is used to 8, and a is what is formed by cutting bent into a predetermined shape steel such as shown in FIG. 7 (a), the connecting side 12a, guide edges 12b, and the fixed side 12c . By drilling a connection hole 12d which is a long hole in the lateral direction at the center of the connection side 12a, the position is adjusted when the connection member 10 and the upper retainer 11 are fastened using bolts and nuts. Thus, it is useful for absorbing the dimensional error of the anchor bolt A in the left-right direction. Fixed side 12c
Is to engage with the ridge 4a on the back surface side of the groove 4 to fix the interior material 2. As shown in FIG. 7B, the lower holding member 12 may have a large fixed side 12c formed only on one side. The lowermost member 13 is used for the interior material lower end fixing member 9 and is formed by cutting and bending a steel material or the like into a predetermined shape as shown in FIG.
b, a guide side 13c, and a fixed side 13d. An anchor bolt A is formed by forming a fixing hole 13e, which is a long hole in the vertical direction, at a substantially central portion of the fixing side 13a.
Absorbing the vertical dimensional error of the interior material 2 and adjusting the position of the rising portions of all of the interior materials 2 to be constant to help improve the overall aesthetic appearance, the bottom side 13b, the guide side 13c, and the fixed side. As shown in FIG. 3C, the interior material 2 is fixed by fitting a mountain 4a on the back surface of the lower end of the interior material 2 into the groove formed by the side 13d. In addition,
The lower end member 9 can also form the guide side 13c and the fixed side 13d by dividing the bottom side 13b into two as shown in FIG. 8B. The connection member 10, the upper holding member 11, the lower holding member 12, and the lowermost member 13 are all 2 to 5 mm in thickness,
A steel material or the like having a width of 50 to 100 mm is similarly used. Next, a construction example will be described. Interior materials 2
2A, a long plate having a long hollow cross section having a width of 750 mm, a thickness of 55 mm, and a length of 1830 mm is used, and this is shown in FIGS. 2A and 2B. It shall use what was formed in the structure. First, the lowermost member 1 of the interior material lower end fixing member 9
3 and the fixing member 8 between the upper and lower ends of the interior material ,
Anchor bolts A provided at predetermined positions on the surface of the base 1 are passed through the fixing holes 10d of the connecting members 10 of the material upper end fixing member 7 , and the double nuts are placed at positions where the interior materials 2 have a smooth vertical relationship with each other. And the guide edge of the lowermost material 13
The crest 4a on the back surface side of the groove 4 at the lower part of the interior material 2 is fitted between 13c and the fixed side 13d . Next, the upper part of the interior material 2 fitted with the lower part is applied to the guide side 10c of the connecting material 10,
After adjusting the position of the connecting member 10 in the vertical direction, the positions of the upper holding member 11 and the lower holding member 12 are adjusted, and bolts are passed through the connection holes 10e, 11c, and 12d of the respective members and fixed using nuts. Further, the lower part of the interior material 2 is fitted to the fixed side 12c of the lower holding member 12, and the interior material
An upper and lower fixing member 8 is formed, and finally, an upper end fixing portion of the interior material.
The uppermost interior material 2 is fixed by the material 7 , and all the interior materials 2 are finished almost parallel to the base 1 and smoothly. As described above, according to the mounting structure of the tunnel interior material according to the present invention, (1) since each fixing portion is formed sequentially from below while attaching the tunnel interior material,
Construction is easy. (2) Groove with reinforced tunnel interior material
Because it is supported by the part , it has a stable structure and less damage. (3) Replacement when damage occurs is easy.
(4) It is resistant to a change in the condition of the tunnel foundation after construction, and the installation of the tunnel interior material is easy and beautiful, regardless of the condition of the tunnel foundation or anchor bolts.
(5) It does not peel off against vibrations such as earthquakes.
(6) Since the interior material of the tunnel is constructed using three members, it can follow unevenness (unevenness) on the foundation of the tunnel, and the construction is easy. 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 showing a part of a mounting structure of a tunnel interior material according to the present invention. FIG. 3 is an explanatory diagram of each fixing unit. FIG. 4 is an explanatory diagram of an upper holding member. FIG. 5 is an explanatory diagram of a connecting member. FIG. 6 is an explanatory diagram of an upper holding member. FIG. 7 is an explanatory diagram of a lower press. FIG. 8 is an explanatory diagram of a lowermost member. FIG. 9 is an explanatory view showing another example of a tunnel interior material. [Description of Signs] A Anchor bolt 1 Tunnel base 2 Tunnel interior material 3 Substrate 4 Groove 4a Mountain 4b Mountain 5 Tile 6 Adhesive layer 7 Interior material upper end fixing member 8 Interior material upper and lower end fixing member 9 Interior material lower end fixing member 10 Connection Material 10a Fixed side 10b Connection side 10c Guide side 10d Fixed hole 10e Connection hole 11 Upper holding 11a Connection side 11b Fitting side 11c Connection hole 12 Lower holding 12a Connection side 12b Guide side 12c Fixed side 12d Connection hole 13 Lowest end material 13a Fixed side 13b Bottom 13c Guide side 13d Fixed side 13e Fixed hole

Claims (1)

(57) [Claims 1] An elongated hollow body having concave grooves on upper and lower sides.
A tunnel interior material consisting of a substrate provided and a tile fixed to the surface of the substrate with an adhesive, an interior material upper end fixing member,
By the fixing member between the upper and lower ends of the interior material,
A mounting structure for a tunnel interior material, wherein the tunnel interior material is fixedly connected to a tunnel base in a groove portion of the tunnel interior material.