JPH1136312A - Greening wire net unit for preventing animal damage, and installation structure and constructing method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a greening wire net unit that protects greening plants from damages of eating and stamping by wild animals such as deers. SOLUTION: In a greening wire net unit 1 constructed of a wire net composed of vertical reinforcements 2, 2... and horizontal reinforcements 3a-3g and formed approximately in an L-shaped section having a rise face K and a tread face F, the horizontal reinforcements 3a-3d are arranged only in the upper part of the rise face K and the lower part is formed in a comblike part 8 with the vertical reinforcements projecting downward. The horizontal reinforcements 3g and 3f are arranged at least at the innermost part and the middle part on the tread face F of the greening wire net unit 1, and an earth retaining net 4 is attached, being hung down with the horizontal reinforcements 3g and 3f serving as hanging points, while a heat-insulating sheet 5 is attached at the outside of the earth retaining net 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a wire mesh unit for greening, and more particularly, to a wire mesh unit for preventing damage caused by wild plants such as deer and the like, and a structure for installing the wire mesh unit, and a construction method thereof. About.

[0002]

2. Description of the Related Art Conventionally, from the viewpoint of protection of the natural environment and creation of landscapes, many greening methods have been implemented for cut, embankment slopes and ground slopes, and the results have been obtained.

[0003] On the other hand, at some greening construction sites, vegetation is reported to be mainly sika deer grasses and shrubs such as goats, which are favored by sika deer. . At present, measures are being taken to block deer invasion by fencing around green areas.

[0004]

However, in the protective fence for preventing deer invasion, even if it is broken at only one place, wild animals such as deer invade from there and devour plants. It will be ineffective. In other words, it is not suitable as a long-term measure.

[0005] On the other hand, the present inventor has disclosed in Japanese Patent Laid-Open No. 2-144.
No. 413, JP-A-62-82122, JP-A-1-18
2414, Tokiko 62-33374, 63-53
No. 336, Japanese Unexamined Patent Publication No. 1-223218, and the like have disclosed methods of performing greening with stepped vegetation pockets. As the wire mesh unit to be used, various types have been proposed. A typical example thereof is, as shown in FIG. 9, a step-like welded wire mesh 50 which has been subjected to anticorrosion processing by aluminum alloy hot-dip galvanizing, and a heat insulating material for preventing drying. This is a step-like stepped wire mesh unit including a step 51 and a pocket-shaped retaining net 52. With this method, vegetation mat work, turf turf work, vegetation muscular work, seed dispersal work, soil seed dispersal work, etc. were considered impossible. Greening can be performed.

[0006] In the case of the greening method using the above-mentioned stepped wire mesh unit, deer and the like are difficult to walk due to the stepped wire mesh, so that a certain degree of intrusion prevention effect can be expected. However, when a vegetation base material is put into the pocket and fallen leaves and the like accumulate thereon, it becomes in a state where deer and the like can easily enter, which is not sufficient as a countermeasure for eating damage.

SUMMARY OF THE INVENTION Accordingly, it is a main object of the present invention to provide a green wire mesh unit for preventing harm, which is capable of protecting a green plant from damage or tampering by wild animals such as deer, etc., and its installation structure and construction method. Is to do.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a greening having a substantially inverted L-shaped cross section which is constituted by a wire mesh composed of vertical streaks and horizontal streaks and has a rise surface and a tread surface. A wire mesh unit, on a rise surface of the greening wire mesh unit;
The lower side area is a comb portion having a vertical streak protruding, and on the tread surface of the green wire mesh unit; horizontal streaks are arranged at least at a deep end portion and an intermediate portion of the tread surface, and the horizontal streaks are used as hanging points for retaining. The seat / net is attached in a suspended state, and a heat insulating sheet is attached to an outer position of the earth retaining sheet / net.

In this case, if a light-shielding sheet is attached to the kick-up surface, the plant can be protected from the heat of the sun, and the environment for breeding can be improved. For convenience of installation on a slope, it is desirable to adopt a structure in which a bent hook portion is formed at a vertical streak end at the lower end of the riser surface as described later.

[0010] The above-mentioned greening wire mesh unit for preventing corrosion is provided with a tread surface of the lower-side greening wire mesh unit for preventing corrosion and a rise surface of the upper-side greening wire meshing unit for preventing corrosion, at least between the vertically adjacent wire meshing units for preventing corrosion. Are installed on the slope with an intersection in cross section.

On the other hand, in a first construction method for installing the above-mentioned green wire mesh unit for preventing erosion on the slope, the above-mentioned green wire mesh unit for preventing erosion is sequentially installed from the bottom of the slope to the side of the slope. Procedure, before or after installation of the lower-side greenery-prevention greening wire mesh unit at the side of the slope of the lower-side greenery-prevention greening wire mesh unit, the anchoring studs for unit installation along the horizontal direction with anchor pins. Fixed,
At the intermediate position of the tread surface of the green wire mesh unit for lower side corrosion prevention where the installation is completed, insert the comb portion of the riser surface of the green wire mesh unit for upper side side corrosion prevention to be installed, and attach the tip of the comb portion to the unit installation locking bar. And fixing the rear end of the tread surface of the upper-side greening wire mesh unit to the slope with an anchor pin. By repeating the procedure, sequentially installing the greening wire mesh unit for preventing corrosion. It is assumed that.

[0012] The second construction method is a procedure of sequentially installing the above-mentioned greening wire mesh unit for preventing erosion from the bottom side of the slope to the side of the slope, and the method is carried out in advance on the slope in the area to be greened. Lay the screen wire mesh in place, and insert the comb part of the riser surface of the upper part of the green wire mesh unit to prevent installation into the middle position of the tread of the green wire mesh unit for preventing lower side corrosion that has been installed. Are fixed to the horizontal wire of the laid wire mesh and fixed, and the back end of the tread surface of the green wire mesh unit for preventing corrosion is fixed to the slope with an anchor pin. By repeating the procedure, the green wire mesh unit for preventing corrosion is installed sequentially. It is characterized by doing.

On the other hand, the greening wire mesh unit for preventing erosion according to the second invention has a stepwise green cross-sectioning wire mesh unit composed of vertical streaks and horizontal streaks, and is retrofitted to this greening staircase wire mesh unit. , And a combination of an upper wire netting unit having a stepped cross section composed of a vertical streak and a horizontal streak.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a cross-sectional view of a greening slope using the greening wire mesh unit 1 for preventing corrosion according to the present invention, FIG. 2 is a side view of the greening wire mesh unit 1 for preventing corrosion, and FIG. It is.

As shown in FIGS. 2 and 3, a green wire mesh unit 1 for preventing erosion according to the present invention (hereinafter simply referred to as a wire mesh unit) has a longitudinal stripe 2 formed in a substantially inverted L-shaped cross section. , And a wire mesh having a horizontal surface K and a tread surface F, which are arranged in a direction perpendicular to the vertical lines 2, 2. Earth retaining sheet / net 4 attached to the wire mesh (hereinafter, unified as earth retaining net), heat insulating sheet 5 attached to the outer surface of the earth retaining net 4, and wire mesh unit 1
And a light-shielding sheet 6 attached to the rise surface.

The kick-up surface K of the wire mesh unit 1 is divided into an upper half lateral stripe arrangement portion 7 and a lower half half lateral stripe-free comb portion 8. In the lateral streak arrangement section 7, four lateral streaks 3a to 3d are arranged at predetermined intervals in the vertical direction, and a light shielding sheet 6 is arranged on the inner side surface of the lateral streak arrangement section 7. Have been. As the light shielding sheet 6, for example, vinylon,
Filled with plain woven fabric with high porosity using fibers such as polyester, acrylic, etc., cold gauze resin processed, resin woven fabric such as polyethylene, plain woven, Russell woven, Karami woven nets, polyester fiber or polypropylene fiber A long-fiber nonwoven fabric or the like is suitably used. By adjusting the amount of solar radiation, solar radiation conditions suitable for growing plants are secured, and in summer, strong solar radiation is blocked to prevent evaporation of soil water and protect plants.

As will be described later, the comb portion 8 is inserted into the tread portion F of the installed lower wire mesh unit 1 in order to install the comb portion 8 with an intersection in cross section with the tread surface F of the lower wire mesh unit 1. In order to obtain, the horizontal stripes 3 are not arranged and only the vertical stripes 2, 2,. At the lower end of the comb portion 8, a bent locking portion 8a is formed for convenience of fixing to the slope. This point will be described in detail in the section of the construction method.

On the other hand, in the kick-up surface K of the wire mesh unit 1, lateral streaks 3e to 3g are arranged at two positions at the innermost position and the innermost position of the tread portion F. Horizontal stripes 3g and intermediate horizontal stripes 3
The retaining net 4 is disposed in a suspended state with f as a supporting point. The earth retaining net 4 is a soil holding body made of a fibrous net such as a greening net or a slim net or a water permeable sheet such as a fine wire net or a fibrous nonwoven fabric. The vegetation base material introduced from the upper opening flows out. Hold not to. It should be noted that the attachment is performed by any appropriate means such as fixing by using a C-ring and binding and fixing by using a string or a number line.

For the outer surface of the retaining net 4,
A heat insulating sheet 5 made of a resin such as a polyethylene sheet, polypropylene, or polystyrene or a foam thereof is attached. The heat insulating sheet 5 may be attached to the intermediate lateral streak 3f by binding or bundling, and may be attached to the front side of the retaining net 4 in a hanging state, or directly to the outer surface of the retaining net 4. Alternatively, they may be attached by fastening or bonding.

As shown in FIG. 1, the wire mesh unit 1 has a tread portion F of a lower wire mesh unit at least between wire mesh units 1 and 1 adjacent vertically.
The kick-up surface K of the upper-side wire mesh unit 1 is installed on the slope with an intersection in a cross-sectional view. The lower end side of each wire netting unit 1 has its head hooked to a unit installation locking streak 12 arranged to ride on a bent hook 8a formed at the lower end of the riser surface K. The upper end side of the wire mesh unit 1 is fixed to the slope by the auxiliary anchor pin 11, while the upper anchor side of the wire mesh unit 1 is sloped by the main anchor pin 10 whose head is hooked to the lateral streak 3 g fixed to the rear end of the tread surface F. It is fixed to. After the installation of the wire netting units 1, 1,.
Alternatively, seeding of a tree or herbaceous plant or planting of a seedling is performed on a soil.

According to the above-mentioned greening structure, a growing space S surrounded by the wire mesh of the upper wire mesh unit 1 is formed above the vegetation base material. Since walking becomes difficult, damages such as eating damage and treading are prevented. In this case, the step distance L of the step portion is 40 cm or more, preferably 5 cm.
It is desirable to set it to about 0 cm or more. The breast height of the deer is about 40 to 50 cm, and by setting the step distance L to be longer than this, the invasion of the deer can be surely prevented.

At the same time, the shading net 6 secures a breeding space S having a favorable solar radiation environment and a sufficient size, so that the breeding and protection of plants can be reliably achieved. Further, the wire mesh units 1 and 1 between the adjacent upper and lower stages
In this case, the vegetation base materials filled in the retaining nets 4 and 4 are very close to or in contact with each other, and the vegetation base materials are moved up and down on the slope through the heat insulating material 5 and the fallen leaves / sedimentary soil. , The roots of the plant are easily spread, and the rooting is also good.

In the construction, the construction is performed as a procedure of sequentially fixing the wire netting units 1, 1... From the slope side to the slope side of the slope, that is, by reverse winding.

In the first method, as shown in FIG. 4 (A), first, a unit installation unit is prepared in advance on the installation slope of the lower unit 1n + 1 in preparation for installation of the upper unit 1n + 1. The locking bar 12n is fixed by the auxiliary anchor 11. Then, as shown in FIG. 4 (B), the comb portion 8 of the upper wire mesh unit 1n + 1 to be installed in the middle of the tread surface F portion of the lower wire mesh unit 1n which has been installed is inserted, and the tip of the comb portion 8 is inserted. The wire mesh unit 1n + 1 is fixed to the lower end side of the wire mesh unit 1n + 1 by locking the bent hooking portion 8a of the wire meshing unit 12n to the unit installation locking line 12n. The arranged horizontal streak 3g is fixed to the slope by the main anchor pin 10. And
When the fixing of the upper wire mesh unit 1n + 1 is completed, the unit installation locking streaks 12n + 1 are fixed to the slope to prepare for the further installation of the wire mesh unit 1n + 2 on the upper side. Sequentially
While repeating this procedure, the wire netting units 1, 1...

The wire mesh unit 1 is fixed at the lower end side by forming a bent hook 8a at the end of the comb portion 8 so that the wire mesh unit 1 can be securely locked to the unit installation locking streaks 12. It can be fixed. Before fixing the wire mesh unit 1n + 1, the next unit installation locking bar 1 is fixed.
2n + 1 may be fixed to the slope, but in this case, the retaining net 4 is broken and the tip of the comb portion 8 is locked to the unit installation locking streaks 12.

Next, the second construction method is as shown in FIG.
As shown in (A), in the installation area of the wire netting units 1, 1,..., A sloped wire netting 13 including a horizontal streak 13a and a vertical streak 13b (not shown) is laid beforehand on the slope, and sequentially. The lower end side of the wire mesh unit 1 is fixed to the slope by locking the bending hook 8a at the tip of the comb section 8 to the predetermined horizontal streak 13a, and the upper side is the main anchor pin 10 as in the first method. To the slope. Further, as another method for omitting the auxiliary anchor 11, as shown in FIG. 6, the tip of the comb portion 8 may be simply sharpened and inserted into the ground, depending on the soil conditions and the scale of the slope, etc. Then, it may be fixed.

In the above-mentioned example, the unit installation locking bars 12 are basically fixed inside the retaining net 4. However, as shown in FIG. May be laid. In the example shown in FIG. 7, a horizontal streak 3 h is further added adjacent to the intermediate horizontal streak 3 f and with an interval T at which the comb portion 8 of the upper side wire netting unit 1 can be inserted, and the wire mesh of the rise surface K is formed. I try to firmly support it. As in this example, if the unit installation locking streaks 12 are arranged outside the earth retaining net 4, in the construction method according to the first example,
The fixing streaks 12n, 12n + 1 for each unit installation can be fixed before each wire netting unit 1n, 1n + 1... Of course, it is more efficient to lay the unit installation locking bars 12 before installing the wire netting unit 1 as in this example.

Next, the wire mesh unit 1A according to the second embodiment
Are, as shown in FIG. 8, vertical streaks 14a, 14a.
, And a wire mesh unit 14 formed by bending a wire mesh composed of horizontal stripes 14b, 14b,... In a stepwise manner in cross section, and a vertical wire 15a, 15a,. And lateral muscle 15
This is a greening unit composed of a combination of an upper wire mesh unit 15 obtained by bending a wire mesh consisting of b, 15b. The step-like greening unit 14 is a conventional type greening wire netting unit as shown in FIG. 9. By adding the upper wire netting unit 15 to this unit, the greening unit for the present invention can be obtained.

Prior to the construction, the step-like green wire mesh unit 14 is attached to the main surface with the main or sub-anchor pins 16,
After fixing by 16 ..., vegetation base material and seed soil mixed with seeds are put into the retaining net 4, or planting of seedlings is performed to complete the construction of the greening unit. The wire mesh unit 15 is attached to the stepped greening wire mesh unit 14 by binding with a wire or the like. As shown in the figure, the mounting position is fixed so that the front end of the tread surface of the step-like greening wire mesh unit 14 and the rear end of the tread surface of the upper wire mesh unit 15 are bound together, and is surrounded by a wire mesh above the vegetation base material. So as to form a grown growth space S. As in the first embodiment, a light-shielding sheet 6 indicated by a wavy line is desirably attached to the riser surface of the upper wire mesh unit 15 to protect the plants from solar heat and the like.

[0030]

As described above, according to the present invention, it is possible to protect a green plant from damage caused by wild animals such as deer and tampering. In addition, a growing space protected by the light-shielding sheet is formed, so that the growing of the plant is improved, and the rooting is also improved because the upper and lower vegetation base materials are structurally continuous.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a greening slope using a wire mesh unit 1 according to the present invention.

FIG. 2 is a side view of the wire netting unit 1. FIG.

FIG. 3 is a perspective view of a main part of the wire netting unit 1. FIG.

FIG. 4 is a procedure diagram of a first construction method.

FIG. 5 is a procedure diagram of a second construction method.

FIG. 6 is a modified example of the lower end fixing mode of the wire netting unit 1.

FIG. 7 is a cross-sectional view showing another example of the installation mode of the wire netting unit.

FIG. 8 is a cross-sectional view of a greening slope using the wire mesh unit 1A according to the second embodiment.

FIG. 9 is a perspective view of a conventional staircase wire mesh unit.

[Explanation of symbols]

1.1A: Wire mesh unit (greening wire mesh unit for preventing erosion), 2: Vertical streaks, 3a to 3g: Horizontal streaks, 4: Earth retaining net, 5: Heat insulation sheet, 6: Light shielding sheet, 8: Comb part, 8a ... Bending hook part, 10 ... Main anchor pin, 11 ...
Auxiliary anchor pin, 12 ... Auxiliary anchor, 11 ... Main anchor, 12 ... Retaining bar for unit installation, 13 ... Slope wire mesh,
14: stepped greening wire mesh unit, 15: overlay wire mesh unit, S: growing space, K: kick-up surface, F: tread surface

Claims (7)

[Claims] 1. A green wire mesh unit having a substantially inverted L-shaped cross section, comprising a wire mesh comprising vertical and horizontal streaks and having a rise surface and a tread surface, wherein a rise surface of the green wire mesh unit is; A horizontal streak is arranged only in the upper side area, and a lower side area is a comb portion in which a vertical streak is projected. On a tread surface of the greening wire mesh unit, a horizontal streak is arranged at least at a deep end portion and an intermediate portion of the tread surface. The earth retaining sheet / net is attached in a suspended state with these lateral streaks as hanging points, and a heat insulating sheet is attached at an outer position of the earth retaining sheet / net. . 2. The green wire mesh unit for preventing erosion according to claim 1, wherein a light shielding sheet is attached to the rise surface. 3. The green wire mesh unit for preventing erosion according to claim 1, wherein a bent hook portion is formed at an end of a vertical streak at a lower end of the riser surface. 4. A tread surface of the lower-level green wire mesh unit for preventing corrosion and a rise surface of the upper-level green wire mesh unit for preventing corrosion at least crosswise between at least two vertically-oriented green wire mesh units for preventing corrosion. The installation structure using the green wire mesh unit for preventing erosion according to any one of claims 1 to 3, wherein the installation unit is installed on a slope. 5. A construction method for installing a green wire mesh unit for preventing erosion according to claim 1 on a slope, wherein the hood is prevented from the bottom side to the side of the slope. The procedure for installing the greening wire mesh unit for greenery is as follows:
Before or after the installation of the lower-side greenery-prevention greening wire mesh unit, the unit installation locking streak is fixed along the lateral direction with an anchor pin, and the lower-side lower-side damage-prevention greenery wire mesh unit that has been installed is completed. At the middle position of the tread surface, insert the comb portion of the kick-up surface of the greening wire mesh unit for preventing upper-side erosion to be installed, and fix the tip of the comb portion by locking the tip of the comb portion to the unit installation locking streak. A method for constructing a green wire mesh unit for preventing erosion, characterized by fixing a back end of a tread surface of a green wire mesh unit for use to a slope with an anchor pin, and sequentially installing a green wire mesh unit for preventing erosion by repeating a procedure. 6. A method for installing a green wire mesh unit for preventing erosion according to claim 1 to a slope, wherein the metal mesh unit for preventing erosion is sequentially installed from a slope end to a slope side of the slope. In order to install the green wire mesh unit for use, lay a slope wire mesh in advance on the slope of the area to be greened, and install it at the middle position of the tread of the green wire mesh unit for preventing lower side corrosion that has been installed. Insert the comb portion of the riser surface of the upper-side greening wire mesh unit for preventing corrosion, fix the tip of the comb portion by locking it to the horizontal streak of the laid wire mesh, and anchor the rear end of the tread of the greening wire mesh unit for preventing corrosion by an anchor pin. A method for constructing a green wire mesh unit for preventing erosion, characterized in that a green wire mesh unit for preventing erosion is sequentially installed by repeating the procedure. 7. A green staircase wire mesh unit having a stepped cross section composed of a vertical streak and a horizontal streak, and a cross-sectional staircase having a vertical streak and a horizontal streak which is retrofitted to the green staircase wire mesh unit. A greening wire mesh unit for preventing erosion, comprising a combination with an upper wire mesh unit in a shape.