JP2002322772A - Gutter and fixing member for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gutter which is suitable for being provided inside of a tunnel. SOLUTION: A gutter 10 has a roughly U-shaped water conveying part 11 in which the center part is recessed in a cross section in a width direction, and a fixing part 12 which is horizontally extended from both upper end parts of the roughly U-shaped water conveying part 11 to the outside. On the upper faces of the fixing parts 12 on both sides, a plurality of grooves 13 are formed in the longitudinal direction continuously in parallel, and on the both sides of the most inner side of a groove 13a, upwardly projecting projections 14 and 15 are formed. This gutter 10 is integrally formed by a thermoplastic elastomer having flexibility in the whole, and continuously formed with an uniform cross section by extrusion. This gutter 10 can be bent along the inner wall of the tunnel and installed seamlessly by the flexibility of the thermoplastic elastomer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gutter, and more particularly to a gutter suitable for guiding groundwater leaking from an inner wall of a ceiling of a tunnel to a waterway.

[0002]

2. Description of the Related Art In a tunnel formed penetrating underground, groundwater may leak from a gap in concrete at a ceiling. Such groundwater, for example, causes problems such as electrical leakage and discharge in electrical equipment in a tunnel such as power transmission equipment in a subway, or freezes in a cold region in a state of ice hanging from the ceiling in the winter when the tunnel is frozen. The vehicle may be damaged by hitting a vehicle or the like passing through the inside, which may hinder tunnel traffic. For this reason, the place where the groundwater is leaking is closed with cement etc. to prevent leakage,
A gutter is provided from the place where the groundwater leaks to the waterway provided on both sides of the tunnel to guide the groundwater to the waterway.

[0003]

The technique of closing the place where groundwater leaks with cement is temporarily effective,
In the long run, this is not an appropriate method for tunnel management, as groundwater, which is pressurized water, can leak under other weak points in concrete. Therefore, a more appropriate method is to provide a gutter for guiding leaked groundwater to the waterways on both sides of the tunnel.

Conventional PVC resin gutters and thin steel plate gutters are inflexible, so they are installed in a polygonal shape with respect to the inner wall of a substantially arc-shaped tunnel, but a seam must be provided. The installation work was complicated. Further, the conventional PVC resin material gutter has problems such as generation of toxic gas such as dioxin during combustion. Further, since the thin steel plate gutter is not insulating, there is a problem that a discharge is generated from a transmission line in a tunnel or the like, and a problem of corrosion such as rust.

Accordingly, the present invention provides a gutter suitable for being provided in a tunnel.

[0006]

The material of the gutter provided in the tunnel must be non-flammable or flame-retardant so as not to cause a fire in the tunnel, and to be insulative so as not to cause a discharge or electric leakage. It is preferable in terms of function that it is a material, it has flexibility that can be installed along the inner surface of the tunnel, it has corrosion resistance, and it is lightweight, and it is environmentally friendly that it is a material that can be recycled. preferable. From such a viewpoint, the present inventors have made the following inventions.

The gutter according to claim 1 is a gutter integrally formed of a thermoplastic flexible resin material, and extends horizontally outward from a water guide groove and upper ends on both sides in the width direction of the water guide groove. And a fixing portion for fixing the upper surface to the wall surface.
This gutter can be curved along the inner surface of the tunnel due to its flexibility, so that a seamless gutter can be installed. In addition, the resin can be pulverized into a pellet by thermoplasticity and regenerated into a resin raw material. As the “thermoplastic flexible resin material”, a thermoplastic elastomer and a thermoplastic vulcanized elastomer are preferable.

The gutter according to a second aspect of the present invention is characterized in that the gutter according to the first aspect has projections projecting upward and continuous in the longitudinal direction inside the upper surfaces of the fixing portions on both sides.

According to a third aspect of the present invention, there is provided the gutter according to the first aspect, wherein the upper surface of the fixing portion on both sides has a groove continuous in the longitudinal direction.

[0010] The gutter according to claim 4 is formed of a thermoplastic flexible resin material, and is fixed to a wall surface so as to be opposed to each other so as to be on both sides of a water guiding groove of the gutter, and the pair of fixing members. A strip-shaped water-repellent member which is provided between the members and serves as a bottom of the water guide groove of the gutter. In this gutter, the fixing members on both sides of the water guide groove and the band-shaped water repellent member forming the bottom of the water guide groove are formed as separate members, so the width of the gutter is changed by changing the width of the band-shaped water repellent member. Can be changed. The “band-shaped water-repellent member” is not limited to a plate having a predetermined thickness and flexibility, or a sheet.

A gutter according to a fifth aspect of the present invention is the gutter according to the fourth aspect, characterized in that the gutter has a protrusion that projects upward and is continuous in the longitudinal direction inside the upper surfaces of the pair of fixing members fixed in a facing state. And

According to a sixth aspect of the present invention, there is provided the gutter according to the fourth aspect, wherein the upper surface of the fixing member has a groove continuous in a longitudinal direction.

According to a seventh aspect of the present invention, there is provided a gutter fixing member comprising: a belt-shaped water repellent member which is formed on both sides of a water guide groove formed by fixing both sides of a water guide groove to a wall, and which is a bottom of the water guide groove. A pair of fixing members formed of a thermoplastic flexible resin material to be bridged, wherein the pair of fixing members has a protrusion that protrudes upward and is continuous in a longitudinal direction inside the upper surface.

[0014] The gutter fixing member according to claim 8 is a belt-like water repellent member which is formed on both sides of a water guide groove of a gutter having both sides of the water guide groove fixed to a wall and serves as a bottom of the water guide groove of the gutter. A pair of fixing members formed of a thermoplastic flexible resin material to be bridged, wherein the pair of fixing members has a groove continuous in the longitudinal direction on the upper surface.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A gutter and a gutter supporting structure according to an embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, the gutter 10 according to the first embodiment has a substantially U-shaped water-guiding section 11 having a concave central portion in the cross section in the width direction, and both upper ends of the substantially U-shaped water-guiding section 11. And a fixing portion 12 extending horizontally from the portion to the outside. Fixed parts 12 on both sides
A plurality of grooves 13 are formed continuously and parallel in the longitudinal direction on the upper surface of the device, and projections 14 and 15 projecting upward are formed on both sides of the innermost groove 13a. Each of the protrusions 14 and 15 is an inclined surface whose outer end surface is inclined toward the water guide section.

The gutter 10 is integrally formed of a flexible thermoplastic elastomer as a whole, and is continuously formed with a uniform cross section by extrusion molding.

As shown in FIG. 2, the gutter 10 can be curved along the tunnel inner wall 21 by the flexibility of the thermoplastic elastomer, and can be installed along the tunnel inner wall 21 without any seam.

As shown in FIG. 3, the fixing portion 12 of the gutter 10 is fixed to the inner wall 21 of the tunnel with anchor bolts 22 and nuts 23. More specifically, the fixing of the fixing portion 12 is performed by a hole for driving an anchor bolt 22 to the fixing portion 12 and the inner wall 21 of the tunnel.
Open the hole 24, inject the adhesive into the hole 24, hit the anchor bolt 22, and then wash the washer 25 and nut
23, the fixing portion 12 is tightened with a nut 23, and a nut 26 for preventing loosening is further mounted. The plurality of grooves 13 formed on the upper surface of the fixing portion 12 have a role of improving the grounding state of the upper surface of the fixing portion 12 when the groove 13 is fixed to the tunnel inner wall 21.

The protrusions 14 and 15 on the upper surface of the fixing portion 12 are bent toward the water guiding portion 11 because the outer end surfaces are inclined toward the water guiding portion 11 when fixed to the tunnel inner wall 21. Adhere to 21. Thus, when the water flows along the tunnel inner wall 21, the water flows along the inner protrusion 14 to the water guiding section 11. Also, fixed part
12 The protrusions 14 and 15 on the upper surface are doubled, so that when water flows outside the inner protrusions 14, the water flows along the outer protrusions 15 and flows into the grooves 13 a between the protrusions. Become.

As shown in FIG. 2, the gutter 10 is installed so as to be curved from the ceiling to the water passages 27 on both sides along the inner wall 21 of the tunnel. Thereby, the water that has flowed into the channel 13 of the gutter 10 and the groove 13 of the fixing part 12 flows through the groove 13 of the water guiding part 11 or the fixing part 12 and flows to the water channel 27 on both sides of the tunnel. I have.

Since the thermoplastic elastomer used as the material of the gutter 10 is a corrosion-resistant, insulating and flame-retardant PVC material, it is suitable for use as a tunnel gutter without fear of electric leakage or generation of dioxin. is there. In addition, since it is a thermoplastic material, it can be crushed into pellets at the time of disposal, and can be reused. The thermoplastic elastomer having a lower specific gravity is preferable because it has an advantage that the labor of the installation work can be reduced. As the thermoplastic elastomer, a thermoplastic vulcanized elastomer having higher flexibility is preferable.

Next, a gutter 3 according to a second embodiment of the present invention will be described.
0 will be explained.

As shown in FIG. 4, the gutter 30 has a pair of fixing members 31 and 32 installed in parallel, and a band-like plate member 35 extending between the fixing members 31 and 32 as a band-like water-repellent member. Similarly to the gutter 10 of the first embodiment, the fixing member 3 extends along the tunnel inner wall from the ceiling of the tunnel to the waterways on both sides of the tunnel with the water leaking portion of the tunnel inner wall interposed therebetween.
1 and 32 are installed, and the leaking part of the inner wall of the tunnel is strip-shaped
Water leaked from the inner wall of the tunnel at 35 is guided to the waterways on both sides of the tunnel.

The fixing members 31 and 32 of the gutter 30 are integrally formed of a flexible thermoplastic elastomer similarly to the gutter 10 of the first embodiment, and as shown in FIG. Notches 33 and 34 for mounting both side ends of the band-shaped plate member 35 are formed on the surfaces facing each other. The notches 33 and 34 are formed, for example, with a mat-like anti-slip surface so that the mounted band-shaped plate member 35 does not fall off. The upper surfaces of the fixing members 31 and 32 are fixed to the fixing portion 1 of the gutter 10 of the first embodiment.
Like the upper surface, a plurality of grooves 36 are formed in the longitudinal direction, and projections 37 and 38 projecting upward are formed on both sides of the innermost groove 36a.

The belt-shaped plate member 35 is made of a water-repellent and flexible synthetic resin material such as polycarbonate.

As shown in FIG. 4, the gutter 30 is curved along the inner wall of the tunnel from the ceiling of the tunnel to the waterways on both sides of the tunnel with the band-shaped plate member 35 attached to the fixing members 31 and 32. The gutter 10 is installed in the same manner as the gutter 10 of the first embodiment. Since the gutter width of the gutter 30 can be determined by changing the width of the band-shaped plate member 35, there is a degree of freedom in setting the gutter width. Note that the band-shaped plate member 35 may be made transparent so that the state of water leaking from the tunnel inner wall 21 from below the gutter 30 can be visually confirmed.

The strip-shaped plate member 35 of the gutter 30 is not limited to the above-described embodiment. You can wear them.

Next, a gutter 40 according to a third embodiment will be described.

As shown in FIG. 5, the gutter 40 is provided with a pair of fixing members 41 and 42 which are opposed to each other with the water leaking portion of the tunnel inner wall 21 therebetween.
3 is erected. (22 in the figure is an anchor bolt, 23 is a nut, 24 is a hole for driving the anchor bolt, 25 is a washer, and 26 is a locking nut.)

The fixing members 41 and 42 are integrally formed of a thermoplastic elastomer. The upper surfaces of the fixing members 41 and 42 are
Similar to the upper surface of the fixed portion 12 of the gutter 10 of the embodiment, a plurality of grooves 43 are formed in the longitudinal direction, and the innermost groove 43a is formed with protrusions 44 and 45 projecting upward on both sides. Belt-shaped water-repellent member 43
Is bent twice at both ends, and two rods 47 and 48 (for example, FRP rods) are fitted to the width of the fixing members 41 and 42
Are continuously inserted in the length direction.

In the gutter 40, first, fixing members 41 and 42 are temporarily installed in parallel with the water leaking portion of the tunnel inner wall 21 interposed therebetween, and an operator stands on both sides of the tunnel and raises both ends of the rods 47 and 48. The belt-shaped water-repellent member 43 is curved in accordance with the fixing members 41 and 42, and the fixing members 41 and 42 and the belt-shaped water-repellent member 43 are fixed to the tunnel inner wall 21 with the anchor bolts 22 and the nuts 23 and installed. . Since the gutter 40 has a belt-shaped water-repellent member 43 at the water guide portion, the weight can be further reduced. Further, since the fixing members 41 and 42 and the belt-shaped water-repellent member 43 can be separately installed, the installation operation can be simplified.

Although the gutter according to the embodiment of the present invention has been described above, the present invention is not limited to the above embodiment.

Although the above description has been given of the embodiment relating to the gutter provided at the water leaking portion in the tunnel, the present invention is not limited to the gutter provided in the tunnel. In particular, the gutters of the second embodiment and the third embodiment can be used not only for providing water leakage in the tunnel but also for protecting concrete pieces and the like from falling off.

[0035]

The gutter according to claim 1 is a gutter integrally formed of a thermoplastic flexible resin material, wherein the gutter extends horizontally outward from a water guide groove and upper ends on both sides in the width direction of the water guide groove. Since it has a fixing portion that extends and fixes the upper surface to the wall surface, the following effects are obtained. Since it is integrally formed of a flexible resin material, it can be curved and a gutter can be installed seamlessly along the inner surface of the tunnel. Since it is integrally formed of a thermoplastic flexible resin material, it is possible to perform a recycling process in which the resin raw material is regenerated by pulverizing the resin into pellets. Since it has insulating properties, it does not affect electric equipment such as discharge.

In the gutter according to the second aspect, the gutter according to the first aspect has protrusions projecting upward and continuous in the longitudinal direction inside the upper surface of the fixing portion on both sides, so that the fixing portion is formed on the wall surface. When installed, the protrusion comes into close contact with the wall surface, so that water flowing along the wall surface flows along the protrusion to the water guiding portion.

According to the third aspect of the present invention, since the gutter of the first aspect has grooves continuous in the longitudinal direction on the upper surface of the fixing portion on both sides, when the fixing portion is installed on a wall surface, Water that has entered between the upper surface of the fixing portion and the wall surface can be recovered through the groove on the upper surface of the fixing portion.

[0038] The gutter according to claim 4 is formed of a thermoplastic flexible resin material, and is fixed to a wall surface so as to be opposed to each other so as to be on both sides of a water guiding groove of the gutter; And a belt-shaped water-repellent member which is provided between the members and serves as a bottom of the water guide groove of the gutter. Since the fixing member is integrally formed of a flexible resin material, the gutter can be curved and the gutter can be installed seamlessly along the inner surface of the tunnel. Further, since the fixing members on both sides of the water guide groove and the band-shaped water repellent member forming the bottom of the water guide groove are formed as separate members, the width of the gutter is changed by changing the width of the band-shaped water repellent member. be able to.

According to a fifth aspect of the present invention, there is provided the gutter according to the fourth aspect, wherein the gutter has a protrusion projecting upward and continuous in the longitudinal direction inside the upper surfaces of the pair of fixing members fixed in a facing state. When the fixing member is installed on the wall surface, the projection of the fixing member comes into close contact with the wall surface, so that the water flowing along the wall surface flows along the projection to the water guiding portion.

The gutter according to the sixth aspect of the present invention is the gutter according to the fourth aspect, wherein the upper surface of the fixing member has a groove continuous in the longitudinal direction. Water that has invaded the wall surface can be collected through the groove on the upper surface of the fixing member.

According to a seventh aspect of the present invention, there is provided a gutter fixing member comprising: a belt-shaped water repellent member which is formed on both sides of a water guide groove formed by fixing both sides of the water guide groove to a wall, and which is a bottom of the water guide groove. A pair of fixing members formed of a thermoplastic flexible resin material to be erected, and have a projection that projects upward and is continuous in the longitudinal direction on the inner side of the upper surface, so that when the gutter is installed on a wall surface, the fixing member is fixed. Since the protrusion of the member comes into close contact with the wall surface, the water flowing along the wall surface flows along the protrusion to the water guiding portion.

The gutter fixing member according to claim 8 is a belt-shaped water repellent member which is formed on both sides of a water guide groove of a gutter having both sides of the water guide groove fixed to a wall and also serves as a bottom of the water guide groove of the gutter. A pair of fixing members formed of a thermoplastic flexible resin material to be erected, and having a groove continuous in the longitudinal direction on the upper surface, so that when the fixing member is installed on a wall surface, the fixing member upper surface and the wall surface Can be recovered through the groove on the upper surface of the fixing member.

[Brief description of the drawings]

FIG. 1 is a cross-sectional front view of a gutter according to a first embodiment of the present invention.

FIG. 2 is a sectional view of a tunnel showing a gutter installation state according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view of a fixed portion of the gutter according to the first embodiment of the present invention in a fixed state.

FIG. 4 is a cross-sectional front view of a gutter according to a second embodiment of the present invention.

FIG. 5 is a cross-sectional front view of a gutter according to a third embodiment of the present invention.

[Explanation of symbols]

 10 Gutter according to the first embodiment 11 Water guide section 12 Fixing section 13 Groove 14, 15 Projection 21 Anchor bolt 22 Nut 23 Tunnel inner wall 24 Hole 25 Washer 26 Nut for locking 27 Water channel 31, 32 Fixing member 33, 34 Notch 35 Band-shaped plate member 36 Groove 37, 38 Protrusion 41, 42 Fixing member 43 Seat 44 Groove 45, 46 Protrusion 47, 48 Rod

Claims (8)

[Claims] 1. A gutter integrally formed of a thermoplastic flexible resin material, wherein the gutter extends horizontally outward from a water guide groove and upper ends on both sides in the width direction of the water guide groove, and its upper surface is formed on a wall surface. A gutter comprising a fixing portion for fixing. 2. The gutter according to claim 1, wherein the gutter has protrusions projecting upward and extending in the longitudinal direction inside the upper surfaces of the fixing portions on both sides. 3. The gutter according to claim 1, wherein the gutter has a groove continuous in the longitudinal direction on the upper surface of the fixing portion on both sides. 4. A pair of fixing members formed of a thermoplastic flexible resin material and fixed to the wall surface in an opposed state to be on both sides of a water guide groove of the gutter, and a gutter provided between the pair of fixing members. And a band-shaped water-repellent member serving as a bottom of the water guide groove. 5. The gutter according to claim 4, further comprising a projection projecting upward and extending in the longitudinal direction inside the upper surfaces of the pair of fixing members fixed in a facing state. 6. The gutter according to claim 4, further comprising a longitudinally continuous groove on an upper surface of the fixing member. 7. A thermoplastic flexible resin material having a belt-shaped water-repellent member which is formed on both sides of a water guiding groove of a gutter having both sides of the water guiding groove fixed to a wall and also serves as a bottom of the water guiding groove of the gutter. A pair of fixing members formed by the above, wherein the fixing member of the gutter has a protrusion projecting upward and continuing in the longitudinal direction inside the upper surface. 8. A thermoplastic flexible resin material having a belt-shaped water-repellent member on both sides of a water-guiding groove formed by fixing both sides of the water-guiding groove to a wall and a bottom of the water-guiding groove of the gutter. 2. A gutter fixing member, comprising: a pair of fixing members formed by the method described above, wherein the upper surface has a groove continuous in a longitudinal direction.