JP4793695B2 - Self-supporting water head and installation method - Google Patents

Description

  The present invention relates to a self-supporting water guide belt that can stand by itself without embedding a main body among water guide belts that guide road surface water flowing on the road surface with a belt-shaped road surface installation belt, and a method for installing the same.

  As a drainage device for road surfaces that can prevent soil and sand from flowing out due to rainfall on unpaved road surfaces such as forest roads and work roads, conventionally, a square member made of karamatsu etc. is folded in half with a flexible member made of rubber plate, etc. What was fixed along the direction is disclosed (for example, refer to Patent Document 1). By embedding so that the upper end of the inverted U-shape of the flexible member protrudes on the road surface, the flow of rainwater flowing down from the mountaintop side can be changed at the upper end of the flexible member and discharged into the Tanigawa river. It is supposed to be.

In addition, regarding road crossing work as a wastewater treatment facility on a non-paved road, instead of installing a conventional reinforced concrete U-shaped side groove, a surface running water guiding surface is formed in front by the upper edge of the rubber plate, and the guidance A ridge with a running water rising surface facing the lower edge of the surface is formed on the front, a recess corresponding to the ridge is formed on the back of the ridge, and an underground buried plate is suspended on the lower edge of the recess A road surface erosion prevention rubber plate is disclosed (see, for example, Patent Document 2).
Japanese Utility Model Publication No. 7-9740 JP-A-10-88644

  However, the conventional road surface drainage device and the road surface erosion prevention rubber plate have a buried plate in the ground in order to perform a predetermined water guiding function, and for the installation, excavation work corresponding to the buried depth and Backfilling work after burial was essential, and it could not be said that it could still be installed easily. Moreover, in order to have the weather resistance or durability which should continue exhibiting a water-conducting function after installation, a comparatively strong material and a complicated structure are requested | required. For this reason, it could not be said that it could be provided inexpensively.

  Therefore, in the present invention, it is an object to provide a water guide having weather resistance or durability that can be easily installed and should continue to exhibit a water guide function as a cheaper one and to provide an installation method thereof. To do.

  In order to solve the above problems, the present invention takes the following means (1) to (6).

(1) That is, the self-supporting water conveyance zone of the present invention is
A band portion 1 made of an elastic plate standing on the installation surface and serving as a weir to guide water flowing on the installation surface, and bent or curved with respect to both band surfaces 1F below the band portion 1, A plurality of grounding pieces 2 that can be brought into contact with the ground and a fixing means for fixing the grounding piece 2 in contact with the installation surface to the installation surface, and the plurality of grounding pieces 2 fixed to the installation surface. It is a self-supporting water conveyance belt in which the belt unit 1 is self-supportingly fixed, and at least any two or more of the grounding pieces 2 are connected to one belt surface 11F side of both belt surfaces 1F and the other It is characterized by being alternately bent or curved and fixed to the band surface 12F side.

  If it is such, a water conveyance zone can be installed more simply, without performing excavation and backfilling work for burying a buried part in the ground. In addition, the band 1 can be stably supported from the both band surfaces 1F side by standing the band 1 with two or more grounding pieces 2 that are alternately bent or curved and fixed. As a result, sufficient weather resistance can be ensured and the water guiding function can continue to be exhibited.

  (2) It is preferable that the plurality of grounding pieces 2 are fixed by an elastic curved plate extending from the lower side of the band portion 1.

  If it is such, the earthing | grounding piece 2 will be fixed more firmly with respect to the belt | band | zone part 1 by extending | stretching of an elastic curved board. Further, since the curvature changes due to the elastic deformation of the elastic curved plate, the band portion 1 can be excellent in the degree of freedom of deformation and durability. Further, since the elastic curved plate is alternately bent or curved to both the belt surfaces 1F to fix the grounding piece 2, when the belt portion 1 is deformed to one of the belt surfaces 1F side by an external force, from both the belt surfaces 1F side. The elastic reaction force is received almost evenly. For this reason, the elastic restoring force of the belt part 1 in the installed state is in a state where it is suspended on both belt surfaces 1F, and the shape stability is excellent.

  (3) The plurality of grounding pieces 2 are fixed adjacent to each other along the lower side of the band 1 by forming a plurality of cuts 2C from below in the lower elastic plate formed integrally with the band 1. It is preferable.

  If it is such, by forming a plurality of cuts 2C in a large horizontally long rectangular elastic plate in which the band portion 1 and the lower elastic plate are vertically integrated, a plurality of grounding pieces 2 and the band portion 1 are formed. It can be easily and continuously formed as an integral unit. In addition, since the water guide belt is integrally formed from a large horizontally long rectangular elastic plate made of the same material, the durability is excellent.

  (4) The fixing means according to any one of the above includes a fixing hole 31 provided in each grounding piece 2 and a fixing pile 32 that can be inserted into the fixing hole 31 and piled on the installation surface. The fixed pile 32 preferably has a neck portion 32N made of an elastic body that connects the pile head 32H and the buried portion 32A, and the neck portion 32N can be elastically deformed by the elastic reaction force of the grounding piece 2 and fixed by pile driving.

  For example, as shown in FIG. 6, the pile hole is vertically formed, and the pile head 32H of the fixed pile 32 is installed outside the pile hole and fixed. At this time, the elastic reaction force of the fixed pile 32 is always applied to the grounding piece 2 toward the center side in the thickness direction of the band portion 1 which is the inner side in the sectional view (see the two-dot chain line arrow in the vicinity of the pile head 32H in FIG. 6). Since such an external force continues to be applied from both belt surfaces 1F side and the elastic reaction force is suspended, the belt portion 1 is in the installed state, so that the shape stability in the installed state is excellent.

(5) Moreover, as an installation method of the above-mentioned self-supporting water conveyance zone, a pile hole forming step for alternately forming pile holes for staking the fixed pile 32 on both sides of the band 1 installation planned line, and a grounding piece 2 is alternately bent, and the fixing hole 31 is aligned with the pile hole formed in the pile hole forming step, and the fixing hole 31 of the grounding piece 2 installed in the installation step is installed. It can be set as the installation method which consists of the fixing process which piles up the fixed pile 32 and fixes the grounding piece 2.
In the installation step, a surface fixing step of fixing the surface fixing plate 41 of approximately the same length as the belt portion 1 along the belt portion 1 and alternately on both sides of the plate at the upper portion of the surface fixing plate 41 A grounding piece 2 bending step for temporarily laying the fixed construction arm 42 on the grounding piece 2 and alternately bending the grounding pieces 2, and an installation in which the surface fixing plate 41 is installed at a predetermined position along the belt 1 installation planned line And a step.

  (6) Further, in the pile hole forming step of the above installation method, a first drilling step of provisionally drilling the first pile hole H1 at a predetermined pile hole position, and water or aqueous fixing in the hole of the first pile hole H1 A liquid injection step of injecting the liquid L, and a second drilling step of forming a second pile hole by drilling while sliding the hole inner surface consisting of the hole side surface and the hole bottom surface of the liquid injected first pile hole H1; It is preferable to have. By the liquid injection step and the subsequent second drilling step, the pile hole is formed as a strong material that is difficult to collapse. Thereby, the time of the whole installation method can be shortened and it can install firmly.

  In the present invention, by taking the above-mentioned means, it is possible to provide a self-supporting water conveyance zone that can be easily installed and can exhibit a water conveyance function as a cheaper one.

  Embodiments of the present invention will be described in detail with reference to the drawings. 1 to 4 show a partial overview perspective view, a plan view, a bottom view, and a right side view of the self-supporting water conveyance belt according to the first embodiment of the present invention in an installation state in which the fixed pile 32 is not included. FIG. 5 is a right side view that can be compared with FIG. 4 in the unfolded state. 6 and 7 are a front view sectional view and a perspective use state example diagram in the installed state including the fixed pile 32. FIG.

  FIG. 8 is a perspective explanatory view showing a state after the installation process and before the fixing process of the self-supporting water conveyance belt of Example 1, and FIG. 9 is a front view explanatory view showing a grounding piece 2 bending step in the installation process. . FIG. 10 is a cross-sectional explanatory view showing a pile hole forming step. And FIG. 11 is front view explanatory drawing which shows the fixed pile 32 of an Example different from Example 1. FIG.

<Basic configuration of self-supporting water conveyance zone (Fig. 1)>
The self-supporting water conveyance belt of the present invention is formed by standing and fixing a horizontally long belt portion 1 that is long in the width direction by a plurality of fixed grounding pieces 2. As its basic configuration,
A belt portion 1 made of an elastic plate standing on the installation surface and serving as a weir to guide water flowing on the installation surface;
A plurality of belt surfaces 1F that are alternately fixed to bendable or bendable on either side of the belt surface 1F below the belt portion 1 and that can be grounded to the installation surface in a state of being bent or curved substantially at right angles. A grounding piece 2,
A fixing means for fixing the grounding piece 2 grounded to the installation surface to the installation surface is provided. Hereinafter, each configuration will be described in detail.

<Strip 1>
The band part 1 is an elastic band-shaped plate body standing on the installation surface. The belt surface 1F has a widthwise length that can cross the ground surface diagonally and a horizontally long rectangular surface that can be a weir with respect to the water flowing through the installation surface. The belt surface 1F extending long in the width direction is erected and installed so as to cross the road surface. When the belt surface 1F hits the water flowing on the installation surface, the belt portion 1 plays the role of a weir and induces flowing water such as road surface water (FIG. 7 above).

  The belt part 1 is made of an elastic body such as synthetic rubber, so that it is elastically deformed so that it does not become an obstacle due to an external force when the traveling vehicle travels on the road surface of the installation surface, etc. It automatically returns to the shape of A fiber in which short fibers such as cotton fibers or long fibers are mixed at random is preferable because of excellent durability. Moreover, the thing which does not contain a metal lump is preferable from the surface of the freedom degree of a deformation | transformation. A plurality of layers having different compositions or different stretching directions may be laminated in the thickness direction and integrated by bonding or welding (not shown).

  In the embodiment, as shown in a development view shown in FIG. 5, the band portion 1 and a lower elastic plate along the lower side thereof are integrated with a large, horizontally long rectangular elastic plate made of synthetic rubber. As this large-sized horizontally long rectangular plate, for example, a waste material such as a waste belt used as a belt for transportation can be reused as it is.

<Grounding piece 2>
A plurality of grounding pieces 2 that can be grounded to the installation surface are formed along the lower side of the strip 1 that is long in the width direction. At least any two or more of the grounding pieces 2 are grounded by alternately bending or bending in any direction with respect to the band surface 1F of the band part 1. All of the plurality of grounding pieces 2 in the embodiment are fixed by an elastic curved plate extending from the lower side of the belt portion 1, and all the grounding pieces 2 are alternately bent to the respective sides of both belt surfaces 1F (FIG. 1). To FIG. 4).

  In addition, two groups of grounding pieces 2 including a plurality of grounding pieces 2 that are adjacent to each other are formed as a plurality of groups of at least three groups, and two groups of grounding pieces 2 of the plurality of groups are adjacent to each other. It may be formed by bending or bending alternately (not shown).

(Single width, single length, single thickness)
Each grounding piece 2 has a single width obtained by dividing the long strip 1 in the width direction, and a single length (longitudinal length in the unfolded state) substantially equal to or longer than the single width. It is preferable that the thickness of the grounding piece 2 is substantially equal to or shorter than the thickness of the strip 1.

  Further, in the installation state of FIG. 6, the elastic plate is alternately bent or curved to either side of the two band surfaces 1F of the band portion 1, and the lower surface side of the bent or curved elastic plate is grounded to the installation surface. Thus, the belt portion 1 is supported upright. Each grounding piece 2 of the embodiment is composed of a separated lower part (FIG. 5) of a large oblong rectangular elastic plate, and bends at a substantially right angle by a fixing part of the elastic body in the grounding state (FIGS. 4 and 6). For this reason, the substantially lateral length in the bent or bent installation state becomes shorter than the width of each grounding piece 2 (FIG. 2).

(About the elastic reaction force in the installed state by bending or bending)
As in the embodiment, the grounding piece 2 made entirely of an elastic body continuously extends from the lower side of the band portion 1 (FIG. 5), and the extended grounding piece 2 is formed on both belt surfaces by the fixing portion of the elastic body. By alternately bending or bending to the 1F side, an elastic reaction force (an arrow at the upper center in FIG. 6) on the side opposite to the bending or bending direction is applied to the standing band 1. Here, the elastic reaction force opposite to the bending or bending direction is based on an elastic restoring force in which the grounding piece 2 bent or bent in the grounded state faces the same surface as the band surface 1F as in the unfolded state. Is. At this time, since the grounding piece 2 is in contact with the installation surface (FIG. 6), the elastic restoring force is applied in a direction in which the belt portion 1 is to be tilted as shown in the upper part of FIG. By the grounding pieces 2 that are alternately bent or curved, directions in which the belt portions 1 are to be tilted are alternately applied to the belt surfaces 1F. In this way, the elastic reaction force from both belt surfaces 1F is applied to the belt portion 1 in a suspended state, and a stable standing and fixed state is obtained.

(Continuous formation of the grounding piece 2 in the unfolded state (FIG. 5))
The plurality of grounding pieces 2 of the embodiment are formed by cuts 2C provided at equal intervals or at arbitrary intervals on a lower elastic plate along the lower side of the belt portion 1 among large-sized horizontally long rectangular elastic plates (FIG. 5). The cuts 2C are provided at equal intervals (FIG. 5) or at arbitrary intervals in the vertical direction from a plurality of locations on the lower side. By the cuts 2C, the lower portions of the large horizontally long rectangular elastic plates are separated from each other, and the grounding pieces 2 made of a plurality of elastic plates are continuously formed along the lower side of the belt portion 1 in a state adjacent to each other. Each grounding piece 2 is provided with vertically long elastic plates in contact with each other in the unfolded state in FIG. The large horizontally long rectangular elastic plate in this unfolded state is composed of a belt portion 1 at the top, and a bottom elastic plate composed of a plurality of groups of grounding pieces 2 along the variable portion of the belt portion 1. As another form, the adjacent grounding pieces 2 may be provided with an arbitrary interval.

<Fixing means>
The fixing means includes, for example, a fixing hole 31 provided in each grounding piece 2 and a fixing pile 32 that can be passed through the fixing hole 31 and piled on the installation surface (FIG. 6). The fixing hole 31 is a round hole penetrating each grounding piece 2, and is provided within a range of one third to one half from the tip of the center of the half width and the length of the half piece (FIGS. 5 and 6).

(Fixed pile 32)
The fixed pile 32 has a neck portion 32N made of an elastic body that connects the pile head 32H and the buried portion 32A, and the neck portion 32N is elastically deformed by the elastic reaction force of the grounding piece 2 and fixed in pile driving (FIG. 6, FIG. 10, FIG. 11). Of these, the embedded portion 32A is formed of a cone whose diameter is reduced from a base end portion thicker than the neck portion 32N toward a tip end portion thinner than the neck portion 32N. In particular, the tip portion of this cone has a short cone shape with a larger diameter reduction rate than the base end portion side (FIG. 6). As another embodiment, as shown in FIG. 11, there are two stages (or a plurality of stages) having two base ends thicker than the neck 32N and fixing the base end cone and the tip end cone. ) Stepped cones.

<Installation method of self-supporting water conveyance zone>
The self-supporting water guide belt of the present invention is installed by fixing the grounding pieces 2 bent alternately on both belt surfaces 1F side to the installation surface, so that the belt portion 1 is fixed to the installation surface as a rising portion. More specifically, as an example of the installation method of the self-supporting water conveyance belt according to the present invention, a pile hole forming step for alternately forming pile holes for driving the fixed pile 32 on both sides of the band 1 installation planned line (FIG. 10), the grounding pieces 2 are alternately bent (FIG. 9), the fixing hole 31 is aligned with the pile hole formed in the pile hole forming process, and the self-supporting water conveyance belt is installed (FIG. 8). It can be set as the installation method which consists of the fixing process (FIG. 6) which piles the fixed pile 32 in the fixing hole 31 of the installed grounding piece 2, and fixes the grounding piece 2. FIG.

  In the pile hole forming step (FIG. 10), a first drilling step (FIG. 10 (a)) for drilling the first pile hole H1 with a drill drill D at a predetermined pile hole position, and in the first pile hole H1 A liquid injection step (FIG. 10 (b)) for injecting a fixing liquid L made of water or an aqueous fixing liquid into the first pile hole H1 into which the fixing liquid L has been injected; It is preferable to have a second drilling step (FIG. 10C) that forms a second pile hole H2 that is larger and stronger than the one pile hole H1. Among these, in the second drilling step (FIG. 10 (c)), the fixing liquid L is evenly distributed over the hole wall, the diameter of the first pile hole H1 is increased, the hole wall is solidified, and the second A pile hole H2 is formed. As the fixing liquid L, water, mortar or concrete powder dissolved in water, or other ground fixing liquid can be used.

  In the installation process, a surface fixing step of fixing the surface fixing plate 41 of approximately the same length as the belt portion 1 along the belt portion 1 and the erection arms 42 fixed alternately to both sides of the surface fixing plate 41 are provided. A grounding piece 2 bending step (FIG. 9) for temporarily constructing the grounding piece 2 and alternately bending the grounding pieces 2, and setting the surface fixing plate 41 at a predetermined position along the imaginary line where the band 1 is scheduled to be installed. Step (FIG. 8).

(Installation jig 4)
In the installation process, a surface fixing plate 41 of approximately the same length as the belt portion 1 and a plurality of installation arms 42 that are alternately fixed to both sides of the surface fixing plate 41 and can be temporarily installed on each grounding piece 2; The installation jig 4 (FIGS. 8 and 9) made of can be used.

  The surface fixing plate 41 has a vise member as a pressing portion 41P, and the band portion 11 along the surface fixing plate 41 is pressed together with the surface fixing plate 41 from both sides by the pressing portion 41P to be fixed by pressing. (FIG. 8, FIG. 9).

  The erection arm 42 has a J-shaped curved plate as a hook part 42B at the tip, and the erection arm 42 is spread toward the band surface 1F from the upper side of the surface fixing plate 41 with the band 11 fixed to the surface. By hooking the hook portion 42B to the tip of the grounding piece 2, the construction arm 42 is constructed between the surface fixing plate 41 and the grounding piece 2 (FIGS. 8 and 9).

<How to use the self-supporting water conveyance zone>
The self-supporting water conveyance zone of the present invention is, for example, as shown in FIG. 7, with a sloped unpaved road surface as an installation surface, with an angle with respect to the road surface width direction, in a state where one shoulder is lowered on the right or left side. It is installed and used so as to cross the road surface. The installation angle with respect to the vertical crossing direction of the road surface is an angle at which water that collects and flows on the road surface does not scour the surface of the road and does not sink, and is determined at any time according to the gradient of the road surface. Usually, the angle is about 20 to 25 ° with respect to the direction perpendicular to the road surface. In the case of FIG. 7, one side of the unpaved road is a mountain side made of rocks, and the other side is a valley side made of cliffs, and slopes downward from the mountain side to the valley river and along the road. Road surface water flowing through the ridge along the road is blocked by the self-supporting water conveyance zone of the present invention that crosses the road surface, and flows down to the valley side, which is a shoulder-down side with an installation angle.

  The self-supporting water basin of the present invention described above is installed on an unpaved forest road or the like and used as a rainwater drainage device for draining rainwater. Used as a draining tool for road surface water. In addition, the present invention is not limited to the above-described embodiments, and various modifications or combination changes or element extraction can be performed without departing from the spirit of the present invention.

It is a perspective explanatory view showing a partial outline in the installation state of the self-supporting water conveyance zone of Example 1 of the present invention. It is a top view of the self-supporting water conveyance belt of Example 1 in an installed state. It is a bottom view of the self-supporting water conveyance zone of Example 1 in an installed state. It is a side view of the self-supporting water conveyance zone of Example 1 in an installed state. It is a side view of the self-supporting water conveyance belt of Example 1 in a deployment state. It is front view sectional drawing of the self-supporting water conveyance zone of Example 1 in an installation state. It is an isometric view explanatory drawing which shows the example of use condition which installed the self-supporting water conveyance belt of Example 1. FIG. It is a perspective explanatory view showing the state after the installation process of the self-supporting water conveyance belt of Example 1. It is front view explanatory drawing which shows the grounding piece bending step of the self-supporting water conveyance belt of Example 1. FIG. It is sectional explanatory drawing which shows the pile hole formation process of the self-supporting water conveyance belt of Example 1. FIG. It is front view explanatory drawing which shows the fixed pile of another Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Band part 1F Band surface 11F One band surface 12F Other band surface 2 Grounding piece 2C Cut 31 Fixing hole 32 Fixed pile 32A Embedded fixing part 32H Pile head 32N Neck part 4 Installation jig 41 Surface fixing plate 41P Pressing part 42 Installation Arm 42B Hook part D Drill hole drill H1 First pile hole H2 Second pile hole L Fixer

Claims (6)

A belt part made of an elastic plate that guides water flowing on the installation surface as a weir, a plurality of grounding pieces that can be bent or curved with respect to the belt surface below the belt part and grounded to the installation surface, and a grounding piece Is a self-supporting water conveyance belt in which the belt portion is erected and fixed by a plurality of fixed grounding pieces, and at least any two or more grounding pieces are: A self-supporting water conveyance belt characterized by being alternately bent or curved and fixed to one belt surface side and the other belt surface side of both belt surfaces. The self-supporting water guide belt according to claim 1, wherein the plurality of grounding pieces are fixed by an elastic curved plate extending from a lower side of the belt portion. The plurality of grounding pieces are fixed adjacent to each other along the lower side of the belt portion by forming a plurality of cuts from below in a lower elastic plate formed integrally with the belt portion. Free-standing water conveyance zone. The fixing means includes a fixing hole provided in each grounding piece and a fixing pile that can be piled on the installation surface through the fixing hole, and the fixing pile connects the pile head and the embedded fixing portion. The self-supporting water conveyance belt according to claim 2 or 3, wherein the self-supporting water guide belt has a neck portion made of an elastic body, and the neck portion can be elastically deformed and fixed by pile driving by an elastic reaction force of a grounding piece. Pile holes for staking fixed piles are alternately formed on both sides of the belt installation line, and the ground holes are alternately bent, and the fixed holes are aligned with the pile holes formed in the pile hole formation process. The installation process of installing the self-supporting water conveyance zone according to claim 4 and the fixing process of fixing the grounding piece by driving the fixed pile into the fixing hole of the grounding piece installed in the installation process. A method for installing a self-supporting water conveyance zone,
In the installation step, a surface fixing step of fixing a surface fixing plate of approximately the same length as the belt portion along the belt portion, and the installation arms alternately fixed to both sides of the surface fixing plate are temporarily attached to the grounding piece. A method for installing a self-contained water conveyance belt, comprising: a grounding piece bending step for alternately bending the grounding piece by installation; and a setting step for installing the surface fixing plate at a predetermined position along the band installation planned line. . In the pile hole forming process, a first drilling step for temporarily drilling a first pile hole at a predetermined pile hole position, a liquid injection step for injecting water or an aqueous fixing solution into the hole of the first pile hole, and a liquid injection The self-supporting water guide installation method according to claim 5, further comprising: a second drilling step of forming a second pile hole by rubbing while drilling the inner surface of the first pile hole.

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