JP2004011388A - Wooden panel and falling stone preventive fence - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wooden panel and a falling stone preventive fence superior in handling performance and assembling performance by assembling in a factory. <P>SOLUTION: This wooden panel is used for the falling stone preventive fence, and is composed of at least two wooden columns 11 and 11 and a plurality of wooden horizontal members 12 horizontally lying between the wooden columns 11 and 11. The wooden panel 10 is characterized in that the wooden columns 11 have an inserting part 11a projecting from the wooden horizontal members 12, and the falling stone preventive fence 1 is characterized in that it is constituted by connecting the wooden panel to an anchor 3 arranged on the back face side via a connecting material 31 by juxtaposing a plurality of these wooden panels 10. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a wooden panel and a rockfall prevention fence used to prevent rockfall from a slope or the like.
[0002]
[Prior art]
Rock fall prevention fences constructed for the purpose of protecting roads below slopes include, for example, a rock fall receiving part made of corrugated steel sheet and a support part made of truss steel material, and a wire rope between multiple supports And the like are known.
[0003]
[Problems to be solved by the invention]
The above-mentioned conventional rock fall prevention fence has the following problems.
<B> It is necessary to assemble the support part and the rockfall receiving part on the site to construct a rockfall prevention fence, and assembling work becomes complicated depending on the situation of the site such as a mountainous part.
<B> In the case of damage caused by falling rocks, it is necessary to replace the support part and the falling rock receiving part, or to separately remove and replace the broken wire rope and the damaged strut, and the recovery work is complicated and recovery is required. It takes a long time to complete. That is, maintenance is complicated and maintenance cost is high.
<C> If rock fall or earth and sand accumulates on the back (mountain side) of the rock fall prevention fence, it is necessary for the worker to remove the rock fall and sand by man-in-the-middle tactics, which poses a danger to workers and poor workability. .
<D> Since the above-mentioned conventional rock fall prevention fence is made of steel, it is artificial and does not fit the natural scenery around a mountain or the like.
[0004]
[Object of the invention]
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a wooden panel and a rock fall prevention fence that are easy to handle and assemble by factory assembly.
It is another object of the present invention to provide a wooden panel and a rockfall prevention fence that can be restored only by partial replacement due to damage.
It is another object of the present invention to provide a wooden panel and a rockfall prevention fence that can effectively utilize wood such as thinned wood.
In addition, the purpose is to provide wooden panels and rock fall prevention fences that fit the surrounding landscape immediately after installation.
The present invention achieves at least one of these objects.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a wooden panel according to the present invention is a wooden panel used for a rock fall prevention fence, comprising at least two wooden columns and a plurality of wooden horizontal members lying between the wooden columns. And a wooden member, wherein the wooden column has an insertion portion projecting from the wooden horizontal member.
[0006]
Further, the wooden panel of the present invention is characterized in that the wooden horizontal member is sandwiched between the wooden columns and the crosspieces, and at least a binding member for fixing the lowermost wooden horizontal member to the wooden column is arranged. It is.
[0007]
Further, the wooden panel of the present invention is characterized in that a planting shelf is provided between the wooden columns.
[0008]
The rock fall prevention fence of the present invention, a plurality of installation holes provided at intervals, a wooden panel according to any one of claims 1 to 3, wherein a plug portion is inserted into the installation hole, and a wooden post of the wooden panel. , An anchor disposed on the back side of the wooden panel, and a connecting member connecting the anchor angle of the wooden panel and the anchor.
[0009]
Further, the rock fall prevention fence of the present invention is characterized in that a cushioning material is provided on the back surface of the wooden panel, and an upper portion of the cushioning material is connected to the connecting material.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
FIG. 3 is an example in which a plurality of wooden panels of the present invention are combined to constitute a rockfall prevention fence.
[0011]
<A> Wooden Panel The wooden panel 10 of the present invention is composed of a plurality of wooden columns 11, a plurality of wooden horizontal members 12, a crosspiece 13, and a connecting member 14.
The wooden panel 10 of the present invention can be manufactured by assembling these components as a precast product in a factory or the like in advance.
The wooden panel 10 is a member constituting the rock fall prevention fence 1 described later. In addition, the wooden panel 10 can be configured as, for example, a guardrail or a bench by changing its size or selecting a combination.
Hereinafter, each component of the wooden panel 10 will be described.
[0012]
<B> Wooden column The wooden column 11 is a member that has an insertion portion 11a that is inserted into an installation hole 20 provided at the site in order to make the wooden panel 10 self-supporting, and supports a wooden horizontal member 12 described later.
At least two wooden pillars 11 are required at both ends of the wooden panel 10. Depending on the structure of the wooden panel 10, the wooden pillars 11 may be further arranged between the two wooden pillars 11.
Wood such as thinned wood can be used for the wooden support 11.
[0013]
<C> Wooden horizontal member The wooden horizontal member 12 is a member lying between the wooden columns 11, 11 described above.
A plurality of wooden horizontal members 12 lie side by side along the wooden column 11 so as to leave the insertion portion 11a at the lower end side of the wooden column 11.
The wooden horizontal member 12 at a predetermined position can be fixed between the wooden column 11 and the crosspiece 13 by disposing a bonding material 14 described later. In the present example, a connecting member 14 is provided on a wooden horizontal member 12 located at the uppermost end, the center, and the lowermost end, and a connection between the wooden support 11 and the crosspiece 13 is provided.
In addition, the through-hole provided in the wooden horizontal member 12 may be provided before assembling the wooden panel 10, or may be provided together with the wooden support 11 and the crosspiece 13 after the wooden panel 10 is temporarily assembled. .
Wood such as thinned wood can be used for the wooden horizontal member 12.
[0014]
<D> The crosspiece 13 is a member positioned so as to sandwich the wooden horizontal member 12 with the wooden support 11.
In the present example, it also has a function as a pedestal for the nut 14b of the connecting member 14 for fixing the wooden horizontal member 12.
As the crosspiece 13, a thinned wood or the like can be used like other members. Further, a steel material such as an angle iron may be used.
[0015]
<E> Bonding material The bonding material 14 is a jig for fixing the wooden horizontal member 12 to the wooden support 11.
In this example, a wooden horizontal member 12 is fixed between a wooden column 11 and a crosspiece 13 with a connecting member 14. In detail, it is fixed using a connecting member 14 composed of a bolt 14a and a nut 14b having a full length enough to penetrate the wooden column 11, pass through the wooden horizontal member 12, and penetrate the crosspiece 13.
In addition to the above, any jig and means that can fix the wooden horizontal member 12 to at least the wooden column 11 can be widely selected, for example, adhesive.
[0016]
<F> Other components In addition to the components described above, the wooden panel 10 may be provided with, for example, a planting shelf 4.
As the planting shelf 4, for example, a log or the like is used, which is cut in half lengthwise and the inside thereof is shaved to form a planting space 40. It is used by attaching between 11 A well-known vegetation base material 41 such as bark compost and a plant 42 to be planted are placed in the planting space 40 of the planting shelf 4.
According to the planting shelf 4 using logs, the logs have water retention properties, the growth environment of the plants 42 is good, and the wooden panels 10 can be easily attached to the wooden panels 10 with known fasteners such as nails or bolts. You.
In addition, the known net 5 can be coated on the back surface of the group of wooden cross members 12 of the wooden panel 10.
Thereby, even if a gap is generated between the wooden horizontal members 12, it is possible to prevent small rocks and the like from falling out of the gap.
[0017]
Hereinafter, a method of constructing the rockfall prevention fence 1 using the above-described wooden panel 1 of the present invention will be described with reference to FIGS.
In addition, the rock fall prevention fence 1 of the present invention includes a plurality of wooden panels 10 described above, a plurality of installation holes 20 provided at intervals, an anchor angle 30 provided on the wooden support 11 of the wooden panel 10, It comprises an anchor 3 arranged on the back side of the wooden panel 10, an anchor angle 30 of the wooden panel 10, and a connecting member 31 connecting the anchor 3.
[0018]
<A> Construction of Installation Hole In this example, an installation hole 20 for inserting the insertion portion 11a of the wooden support 11 of the wooden panel 10 is formed in the basic block 2, and the basic block 2 constitutes the wooden panel 10. The wooden support 11 is installed on the site at an interval capable of accommodating the insertion portion 11a.
The foundation block 2 is a foundation made of concrete or the like.
The basic block 2 in this example is an example in which two installation holes 20 are formed so as to be able to accommodate the insertion portions 11a of the adjacent wooden panels 10.
The installation hole 20 can be provided directly in the ground.
[0019]
<B> Insert the insertion portion 11a of the wooden panel 10 into the installation hole 20 of the base block 2 installed at the installation site of the wooden panel and fix it. Specifically, a filler such as sand is supplied into the installation hole 20 to adjust the depth (height) of the installation hole 20, and the wooden panel 10 insertion portion 11 a is inserted therein, and the inside of the installation hole 20 is inserted. A filler is filled between the peripheral surface and the outer peripheral surface of the insertion portion 11a, and is compacted and fixed.
The wooden panel 10 is an independent panel, and the insertion portions 11a of the respective wooden pillars 11 are inserted into the corresponding installation holes 20 respectively, and a plurality of the wooden columns 11 are arranged in a line.
In this way, by combining the plurality of wooden panels 10 to form the rock fall prevention fence 1, even if the wooden panels 10 are damaged due to falling rocks or the like, only the wooden panels 10 at that portion are replaced with new wooden panels 10. Thus, the rock fall prevention fence 1 can be restored in a short time.
When the wooden panel 10 is removed from the installation hole 20 at the time of replacement or the like, water can be poured into the filler (eg, sand) in the installation hole 20 described above, and the wooden panel 10 can be removed by loosening the compacted filler. .
[0020]
<C> Installation of anchors Subsequently, anchor angles 30 are installed between the wooden columns 11, 11 of the adjacent wooden panels 10, 10, respectively.
One end of the connecting member 31 is fixed to the anchor angle 30.
The other end of the connecting member 31 is tightly connected to the anchor 3 cast on the ground on the rear side of the wooden panel 10.
As described above, a plurality of wooden panels 10 are connected and arranged, and the rockfall prevention fence 1 is configured by connecting the anchors 3 to the connecting members 31.
[0021]
The anchor 3 is a publicly-known anchor member that is fixed to the ground on the back side of the wooden panel 10.
The anchor 3 is connected to the wooden panel 10 via an anchor angle 30 and a connecting member 31, which will be described later, in order to provide a supporting force for preventing the wooden panel 10 from collapsing at the time of a falling rock collision.
The anchor angle 30 is a member for fixing one end of a connecting member 31 described later.
The anchor angle 30 in this example is an example in which a chevron shape is adopted, and the wooden pillars 11, 11 of the wooden panels 10, 10, which are adjacent to the two concave portions, respectively, are accommodated, and a connecting member 31 described later is provided in the middle protruding portion. Connect.
Note that the anchor angle 30 is not limited to this shape, and a known shape for connecting the connecting member 31 to the wooden panel 10 can be adopted.
The connecting member 31 is a member that connects between the anchor angle 30 and the anchor 3 provided on the wooden support 11 of the wooden panel 10.
By connecting the connecting member 31 to the anchor angle 30 by a known eight-character hook, for example, when a tensile force is applied due to a falling rock or the like, the connecting member 31 can be slightly elongated at the connecting portion. In addition, a well-known shock absorber or the like that exerts a sliding resistance when a tensile force acts on the connecting member 31 can be attached to the middle of the connecting member 31 to enhance the rock fall prevention effect.
As the connecting member 31, a known tensile member such as a wire rope can be used.
[0022]
<D> Installation of cushioning material In addition, the cushioning material 6 can be added to the configuration of the rock fall prevention fence 1 described above.
The cushioning member 6 is a member for preventing a falling rock or the like from directly colliding with the wooden panel 10, and is arranged on the back side of the wooden panel 10.
The cushioning material 6 covers the back surface of the wooden panel 10 and connects the upper part to the connecting material 31.
As the cushioning material 6, a shock absorbing material such as a stretched known net made of steel or the like (see FIG. 4), a foamed material such as urethane, or an elastic material such as resin can be used.
[0023]
<E> Other Construction Means of Rockfall Prevention Fence Although the above-described rockfall prevention fence 1 describes an example in which the installation location of the wooden panel 10 is a plane, the rockfall prevention fence 1a can also be constructed on an inclined surface. .
At this time, as shown in FIG. 5, the insertion portion 11a of the wooden column 11 is improved in order to adapt the installation position of the wooden panel 10 to the slope and obtain a high rock fall prevention effect.
That is, instead of the insertion portion 11a of the wooden support 11, a support member 11b having a shape in which an insertion portion into the installation hole 20 is extended may be separately attached to the end of the wooden support 11, and may be configured as shown in FIG. However, the same member as the support portion may be extended.
The support member 11b is a member whose one end can be attached to the end of the wooden column 11 and whose other end can be inserted into the installation hole 20, for example, a steel rod or a steel material such as an H-shaped steel can be used.
The shape of the installation hole 20 can be changed according to the shape of the insertion portion of the support member 11b, and the shape of the basic block 2 can be changed according to the installation on the inclined surface. In a place where it is difficult to provide the installation hole 20 in advance, the wooden panel 10 can be installed after the support member 11b is directly driven into the slope.
Further, in order to stably install the wooden panel 10 on the inclined surface, an anchor angle 30 is provided at the upper end of the wooden support 11 described in the above-described rockfall prevention fence 1, and is connected to the anchor 3 via the connecting member 31. In addition to the anchor structure, a similar anchor structure may be provided on the lower end side of the wooden column 11. That is, the anchor angle 32 is provided at the lower end side of the wooden support 11, and is connected to the anchor 34 via the connecting member 33.
Thereby, since the upper and lower ends of the wooden column 11 can be anchor-supported, the installation stability of the wooden panel 10 is improved.
[0024]
【The invention's effect】
The wooden panel and rock fall prevention fence of the present invention are as described above, so that the following effects can be obtained.
<B> The installation can be easily performed simply by bringing the wooden panels produced by the factory to the site and setting up the wooden panels, thereby shortening the installation period.
<B> When a rock fall fence using wooden panels is damaged due to rock fall or the like, restoration work can be completed simply by replacing the damaged one-piece wooden panel, so that maintenance is easy and restoration can be performed in a short time. Also, maintenance is economical.
<C> Since the wooden panel is anchored via the connecting material, it is resistant to impacts such as falling rocks.
<D> When rock fall, earth and sand, etc. accumulate on the back (mountain side) of the rock fall prevention fence, the wooden panel can be removed and the accumulated rock fall, earth, sand, etc. can be removed.
<E> When a net is attached to the back (mountain side) of the wooden panel constituting the rock fall prevention fence, it is possible to prevent a small rock falling through between the wooden horizontal members.
<F> By constructing the rock fall prevention fence using wooden panels, it immediately adapts to the surrounding scenery after installation, and can maintain the natural scenery without damage.
[Brief description of the drawings]
FIG. 1 is a perspective view of a wooden panel of the present invention. FIG. 2 is an explanatory view relating to an example of adding a component to the wooden panel. FIG. 3 is an explanatory view of a rockfall preventing fence of the present invention. FIG. Cross-sectional view of prevention fence [Fig. 5] Other construction explanatory diagram of rock fall prevention fence [Explanation of reference numerals]
DESCRIPTION OF SYMBOLS 1 ... Rock fall prevention fence 10 ... Wooden panel 11 ... Wooden support 11a ... Insert part 12 ... Wooden horizontal member 13 ... Bar 14 ... Bonding material 2 ... Foundation Block 20 Installation hole 3 Anchor 31 Connecting material

Claims (5)

A wooden panel used for a rockfall prevention fence, comprising at least two wooden columns,
A plurality of wooden cross members lying between the wooden columns,
The wooden column has an insertion portion projecting from a wooden horizontal member,
Wooden panels. 2. The wooden panel according to claim 1, wherein the wooden horizontal member is sandwiched between the wooden columns and the crosspieces, and a binding member for fixing at least a lowermost wooden horizontal member to the wooden column is arranged. 3. The wooden panel according to claim 1, wherein a planting shelf is provided between the wooden columns. A plurality of installation holes provided at intervals,
The wooden panel according to any one of claims 1 to 3, wherein an insertion portion is inserted into the installation hole.
Anchor angles disposed on the wooden columns of the wooden panel,
Anchor arranged on the back side of the wooden panel,
An anchor angle of the wooden panel and a connecting material for connecting the anchor,
Rock fall prevention fence. The rock fall prevention fence according to claim 4, wherein a cushioning member is provided on the back surface of the wooden panel, and an upper portion of the cushioning member is connected to the connecting member.

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