JP6543473B2 - Lawn protection structure and grass protection method - Google Patents

Description

  The present invention relates to, for example, a lawn protection structure and a lawn protection method for preventing the digging of lawn by boar.

  In recent years, the number of occurrences of grass damage caused by wild boars has been increasing especially in parks and green areas. The main measures being taken are the spread of threats and repellents such as fireworks.

  However, the above measures can not be expected to be effective for a long time, and it is labor-intensive and cost-intensive to repeatedly carry out threats against boars and repellent agents around lawn areas. There is also a possibility that serious damage may occur while their effects are broken. Also, boars may get used to intimidation and repellents. Therefore, it is conceivable to fence the lawn area with a fence, but it is not always desirable in view of the fact that the fence restricts the use of the site and interferes with the landscape formation.

  The present invention has been made in consideration of the above-mentioned matters, and its object is to provide a lawn protection structure and lawn that can prevent the digging of lawn by boars over a long period of time while suppressing adverse effects on site use and landscape formation. To provide a protection method.

To achieve the above object, lawn protective structure according to the present invention, are integrated turf geotextile nets, vegetation mats and a projecting portion of the front Symbol geotextile net and its peripheral main portion which the integrated allowed A plurality of the main parts are lined up on the ground so as to be in close contact with each other ,
Equipped with a parting material which prevents the rolled up of the outer peripheral edge by boars by pressing fixed on the ground overhanging portion at the parting material constituting the outer peripheral edge of the laying ordered vegetation mat (claim 1).

Further, lawn protective structure according to the present invention, a vegetation sheet to hold the turf seeds are integrated in a geotextile nets, vegetation mats and a projecting portion of the front Symbol geotextile net and its peripheral main portion which the integrated allowed Are placed side by side on the ground so that the main parts closely contact each other ,
You may have a parting material which prevents scorching of the peripheral end by boars by pressing and fixing the overhanging part that constitutes the peripheral end of the laid-out vegetation mat to the ground with the parting material that forms the peripheral part. Item 2).

  In each of the grass protection structures, a non-woven fabric may be attached to the lower surface of the vegetation mat.

Meanwhile, in order to achieve the above object, lawn protecting method according to the present invention, there is provided a lawn protecting method for building a lawn protection structure according to claim 1, wherein the peripheral edge A plurality of vegetation mats having projecting portions of geotextile nets are lined on the ground, and the projecting portions constituting the outer peripheral end of the laid vegetation mats are pressed and fixed by the parting material (Claim 4).

In the above-mentioned lawn protection method, a plurality of vegetation mats having projecting parts of the geotextile net on the periphery are laid out on the ground, and the projecting parts forming the outer peripheral end of the laid vegetation mats are formed on the ground laying INCLUDED groove, after accommodating the parting material thereon, it may be covered with soil a groove dug the (claim 5).

  ADVANTAGE OF THE INVENTION In this invention, the lawn protection structure and lawn protection construction method which can prevent the digging of the lawn by a boar over a long period are obtained, suppressing the bad influence given to the use of a site, and landscape formation.

  That is, in the lawn protection structure of the invention according to each claim of the present application, the boar can prevent the boar from crawling up the outer peripheral end of the vegetation mat by the parting material, and the boar prevents the digging of the lawn over a long period of time It will last. Moreover, since the parting material is not as tall as a fence, the adverse effect on the use of the site and the landscape formation can be suppressed.

  In the lawn protection structure of the invention according to claim 3, it is possible to expect improvement in the strength of the vegetation mat due to the roots of the turf being entangled in the non-woven fabric. Furthermore, if the non-woven fabric is not permeable to soil or sand, the growth of weeds scattered and intruded from the surroundings can be suppressed and blocked against the planted mat after construction, which in turn can prevent the invasion of weeds.

  In the lawn protection method according to the fifth aspect of the present invention, since the parting material for pressing and fixing the end of the vegetation mat is embedded in the digging groove, there is absolutely no adverse effect on the use of the site and the landscape formation. The state of pressing and fixing the vegetation mat is also better maintained by embedding the parting material in the digging groove.

It is explanatory drawing which shows roughly the structure of the first half of the lawn protection method concerning a comparative example . It is explanatory drawing which shows roughly the structure of the latter half of the said lawn protection construction method. It is an explanatory view showing composition of a vegetation mat roughly. (A) and (B) are the top view and longitudinal cross-sectional view which show the structure of a parting material roughly. (A)-(C) are explanatory drawings which show roughly the installation method of the said parting material. It is an explanatory view showing roughly the manufacturing method of the above-mentioned vegetation mat. (A)-(D) are explanatory drawings which show roughly each process of the manufacturing method of the said vegetation mat. (A) and (B) is explanatory drawing which shows roughly the modification of the installation method of the said parting material.

Embodiments of the present invention will be described below with reference to comparative examples .

In the lawn protection method according to the comparative example , as shown in FIG. 1, after laying a plurality of vegetation mats 1 on the ground, as shown in FIG. 2, as shown in FIG. For example, anchor pins 2 are driven in to connect the vegetation mats 1 and fix the vegetation mats 1 to the ground, while the ends of the plurality of vegetation mats 1 arranged (the plurality of vegetation mats 1 arranged in a plan view) (A part forming the outline of) is pressed and fixed to the ground by the parting member 3.

  First, the configuration of the vegetation mat 1 will be described with reference to FIG. The vegetation mat 1 is, for example, a rectangular one having a plan view of 1000 mm × 3000 mm or 2000 mm × 3000 mm, or a square shape of 2000 mm × 2000 mm, and the geotextile net 5 has a nonwoven fabric 4 disposed on the lower surface. Cut grass) 6 is integrated.

  The non-woven fabric 4 is a member having a substantially rectangular shape in plan view and a chemical fiber basis weight of 40 to 80 g / m 2, and is a polyester fiber having high durability and corrosion resistance, and a mat of palm. And so on.

  The geotextile net 5 is a flexible net material and has substantially the same shape as the non-woven fabric 4 in plan view, and a tensile strength of about 0.5 to 4 tons per meter of width, and a mesh size of 5 to 7 × It is formed to be about 5 to 8 mm. The geotextile net 5 is formed in a grid shape using highly durable fibers such as fibers of nylon, polyester, aramid, carbon, polyacetal, etc. It may be braided into a similar mesh network.

  The lawn mat 6 is composed of a plurality of turf 6 a and soil 6 b held by the roots of the turf 6 a. For this turf 6a, for example, we can use wild turf such as wild grass, Korean reed grass, Tifton and the like.

  The vegetation mat 1 includes a main portion 7 on which the lawn mat 6 is formed, and a protruding portion 8 which overhangs the periphery of the main portion 7 and on which the lawn mat 6 is not formed. That is, the main body portion 7 is a portion composed of the non-woven fabric 4, the geotextile net 5 and the lawn mat 6, and the overhanging portion 8 is a portion composed of the non-woven fabric 4 and the geotextile net 5.

  The overhanging portion 8 is formed of overhanging portions 8a to 8d having a width of, for example, 100 mm, formed on each side of the vegetation mat 1 (main portion 7), and the width can be changed as appropriate.

  When laying the vegetation mat 1 having the above configuration as shown in FIG. 1, the overhanging portions 8 of the adjacent vegetation mats 1 overlap with each other, and as shown in FIG. A plurality of fixing members 2 are driven in.

  Thereafter, as shown in FIG. 2, the overhanging portions 8 constituting the end portions of the plurality of the laying mats 1 arranged in a row are pressed and fixed to the ground by the parting material 3. The placement of the fixing member 2 and the setting of the parting material 3 may be performed first or in parallel.

  Here, as shown in FIGS. 4 (A) and 4 (B), the parting material 3 protrudes laterally from a cylindrical (cylindrical) rising portion 9 and the lower portion of the rising portion 9. A fixing portion 11 having a plurality of pin holes 10 at regular intervals along the longitudinal direction. Then, the parting members 3 can be sequentially connected by the connecting member 12 which can be inserted into the rising portion 9. Moreover, the parting material 3 can be fixed to the ground by driving the pin 13 into any pin hole 10.

  And in order to fix the vegetation mat 1 by the parting material 3, first, as shown to FIG. 5 (A), the digging groove 14 is formed in the location which intends to install the parting material 3 on the ground. Subsequently, as shown in FIG. 5 (B), the overhanging portion 8 of the vegetation mat 1 is laid in the digging groove 14, and the cut-off material 3 is accommodated and installed from above the cut-out material Fix 3 to the ground. As a result, the parting material 3 presses and fixes the projecting portion 8 to the ground. Finally, as shown in FIG. 5 (C), the digging groove 14 is backfilled (the soil is covered). Either of the laying of the vegetation mat 1 and the formation of the digging groove 14 may be performed first, or may be performed in parallel.

  By the way, the above-mentioned vegetation mat 1 can be manufactured as shown in Drawing 6 and Drawing 7 (A)-(D). That is, as shown in FIG. 7 (A), after laying the non-woven fabric 4 in the field 15, the flexible geotextile net 5 is overlaid on the non-woven fabric 4 (FIG. 7 (B)) The lawn mat (cut grass) 6 grown separately in the field 15 is laid from the top (Fig. 7 (C)). Then, when the roots of the turf 6a are entangled in the non-woven fabric 4 and the geotextile net 5 (FIG. 7 (D)), the geotextile net 5 can be combined with the non-woven fabric 4 while cutting the roots of the turf 6a extended below the non-woven fabric 4 The production of the vegetation mat 1 is completed by peeling it off the field 15.

  In the above manufacturing method of the vegetative mat 1, a square rod K (see FIG. 6) or the like is arranged around the geotextile net 5 at the start of manufacturing the vegetative mat 1, and this is completed. If the square bar K or the like is taken out, it is possible to provide the vegetation mat 1 with the overhanging portion 8 on which the lawn mat 6 is not formed.

  Alternatively, the overhanging portion 8 may be formed by omitting the arrangement of the above-mentioned square bars K and the like and crushing the periphery of the lawn mat 6 after the vegetation mat 1 is manufactured.

  In order to prevent misalignment at the time of connecting the nets, it is desirable to form a dense part of the mesh with a width of about 2 to 5 cm at each end of the overhanging parts 8a to 8d.

  According to the method of manufacturing the vegetation mat 1 having the above configuration, since the nonwoven fabric 4 is formed on the lower surface of the vegetation mat 1, the amount of roots of the turf 6 a entering below the vegetation mat 1 corresponds to the nonwoven fabric 4. This operation is less than the case where it is not provided, and the work of removing the vegetation mat 1 from the field 15 can be performed with a smaller force.

  The attachment of the non-woven fabric 4 to the geotextile net 5 of the vegetation mat 1 can be carried out by entangling the roots of the turf 6 a of the lawn mat 6 with the non-woven fabric 4 and the geotextile net 5. It may be attached using an adhesive or the like.

  The lawn protection structure constructed by the lawn protection method implemented as described above comprises the vegetation mat 1 in which the geotextile net 5 is integrated with the turf 6 a, and the end of the vegetation mat 1 in a state of being laid on the ground. It becomes equipped with the parting material 3 for pressing and fixing on the ground. And with this lawn protection structure, the boar can prevent the boar from crawling up the outer peripheral end of the laying mat 1 by the parting material 3, and the prevention effect of the lawn digging by the boar can be sustained over a long period of time become.

And since the parting material 3 is not a thing with a height like a fence, the bad influence given to the utilization of a site or landscape formation can also be suppressed. In particular , since the parting material 3 for pressing and fixing the end portion of the vegetation mat 1 is embedded in the digging groove 14, the adverse effect on the use of the site and landscape formation is equal to nothing and the parting material 3 presses and fixes the vegetation mat 1 This condition is also maintained better by embedding the parting material 3 in the digging groove 14.

  Moreover, in this lawn protection structure, adjacent vegetation mats 1 are overlapped at the overhanging portion 8 and the fixing member 2 is placed at the overlapped portion. Therefore, if the geotextile net 5 has a strength that does not cause destruction by the boar's nose or fangs, it is not possible for boars to form convenient sites for rolling up the laid vegetation mats 1. It is possible to make the protection of the lawn more complete.

  Moreover, since the non-woven fabric 4 is provided on the lower surface of the geotextile net 5, it is possible to expect the strength improvement of the vegetation mat 1 by the roots of the turf 6a being entangled in the non-woven fabric 4. Furthermore, if the non-woven fabric 4 does not pass through soil or sand, the growth of weeds scattered and intruded from the surroundings to the planted mat 1 after construction can be suppressed and prevented, and in turn prevent the invasion of weeds. it can.

  Furthermore, while using the vegetation mat 1 having a high shape-retaining property, in which the strong surface roots of the lawn mat 6 are firmly rooted in the non-woven fabric 4 and the geotextile net 5, adjacent vegetation mats 1 are superimposed on the ground by the fixing member 2 As it is fixed, the lawn mat 6 substantially having four sides connected to each other can be firmly affixed to the ground through the non-woven fabric 4 and the geotextile net 5, and the lawn mat 6 firmly adheres to the ground over time It will be rooted.

  In the example shown in FIGS. 1 and 2, the vegetation mats 1 are arranged in a matrix of 3 rows and 3 columns, but the present invention is not limited thereto. It is.

  And the vegetation mat 1 may be manufactured as follows. That is, first, after laying the non-woven fabric 4 in the field 15, the flexible geotextile net 5 is stacked on the non-woven fabric 4, and the runner of the turf 6a is planted from above the geotextile net 5 and covered with soil. The roots of the fabric are entangled in the non-woven fabric 4 and the geotextile net 5, and when the runners are grown to the lawn mat 6, the geotextile net 5 together with the non-woven fabric 4 is cut from the field 15 It may be peeled off.

  Alternatively, the non-woven fabric 4 is appropriately developed, for example, on a workbench, the flexible geotextile net 5 is stacked thereon, the lawn mat 6 is disposed thereon, and the three members are bound by stapling or the like, In addition, the vegetation mat 1 may be obtained by being integrated by means of connection such as sewing (both not shown).

  According to this manufacturing method, although the roots of the turf 6a of the lawn mat 6 are not entangled in the non-woven fabric 4 and the geotextile net 5, the three members are integrated by the connecting means. By placing the fixing member 2 on the part, the lawn mat 6 can be substantially firmly attached to the ground via the non-woven fabric 4 and the geotextile net 5, and the lawn mat 6 will eventually be passed over time. The roots of the grass 6 a are rooted on the ground while being entangled with the non-woven fabric 4 and the geotextile net 5. And according to this manufacturing method, in addition to using the lawn mat 6 made to grow previously, since it is not necessary to wait for root entanglement to the nonwoven fabric 4 of the lawn mat 6, and the geotextile net 5, it is necessary to The manufacturing time of the mat 1 can be further shortened.

  In addition, in order to manufacture the vegetation mat 1 which was carried out on the field 15 or work bench etc. instead of manufacturing the vegetation mat 1 beforehand on the field 15 or work bench etc and carrying in the completed vegetation mat 1 to the site. This work may be performed directly on the ground of the site to reduce the labor required for loading. For example, after laying the non-woven fabric 4 and the geotextile net 5 on the ground where the lawn protection structure is to be installed, the grass mat (cut grass) 6 is laid thereon, and the roots of the turf 6a are on the non-woven fabric 4 and the geotextile net 5 Waiting for entanglement, connecting three parties 4 to 6 with anchor pins or staples without waiting in this way, changing to lawn mat 6 and planting runners of grass 6a to cover the soil, etc. In any case, the vegetation mat 1 can finally be obtained.

  Alternatively, for example, a vegetative sheet is formed by holding the seeds of the turf 6 a with an adhesive or the like on a sheet-like body made of non-woven fabric, thin cotton, crepe paper, etc. The vegetation mat 1 may be obtained by bonding or connecting to the lower surface. In this case, the nonwoven fabric 4 may or may not be attached to the lower surface of the vegetation sheet.

  In the example shown in FIG. 1 and FIG. 2, when connecting and fixing the adjacent vegetation mats 1, the two projecting portions 8 are overlapped, and the fixing member 2 is placed on the overlapped portion. In this case, the overlapped part becomes a dead space without grass. Therefore, in order to eliminate such dead space, a lawn mat (cut grass) 6 may be separately laid on the upper side of the overlapping portion of the projecting portions 8.

The grass protection method according to the present embodiment, in order to eliminate the dead space, when arranging laying a plurality of the vegetation mat 1, if the main body portion 7 and is so closely. In this case, one overhanging portion 8 of the adjacent vegetation mat 1 is cut in advance or on the spot, or folded downward of the main body portion 7 while the overhanging portion 8 of the other vegetation mat 1 is one vegetation mat. It may be spread under the main part 7 of 1. Specifically, out of the overhanging portions 8a to 8d of each side of the vegetation mat 1, the overhanging portions 8b located on one end side in the width direction of the vegetation mat 1 are eliminated in advance, and at the time of installation, the vegetation mat 1 overhanging portion 8d located at one end of the length direction trimmed on site, turf portion eliminating the dead space (the main body portion 7) so as to close all. In this case, the fixing member 2 may be placed in the portion overlapping the upper side of the overhanging portion 8 in the main body portion 7, and at this time, the geotextile net 5 in the portion overlapping the upper side of the overhanging portion 8 in the main body portion 7 If the lawn mat 6 is appropriately (partially) peeled off and rolled up, the fixing member 2 is driven to fix the geotextile net 5 in this state, and then the lawn mat 6 which has been rolled up is covered from above The fixing member 2 can be prevented from being exposed to the surface.

  In the example shown in FIGS. 5B and 5C, the parting material 3 is directed such that the rising portion 9 is located on the outer peripheral end side of the vegetation mat 1 and the fixed portion 11 is located on the center side. For example, as shown to FIG. 8 (A), you may make it reverse. In the example shown in FIGS. 5A to 5C, the digging groove 14 is formed on the ground, and the parting material 3 is accommodated in the digging groove 14, but the invention is not limited to this. For example, as shown in FIG. 8B, the parting material 3 may be installed on the ground without providing the digging groove 14.

  Also, instead of the parting members shown in FIGS. 4A and 4B, various parting members can be used, but from the viewpoint of reliably preventing scorching by wild boars, the projecting part 8 is pressed in a plane It is preferable to use a parting material configured to be fixable. Moreover, although a parting material may be installed without gaps all over the end (peripheral part) of the laid vegetation mats 1, it is not necessary to do so, and the boar prevents the vegetation mats 1 from being raised. A space may be provided between the parting members within a range that can be reduced.

  In each of the examples described above, the non-woven fabric 4 may not be provided.

  Needless to say, the above-described modifications may be combined as appropriate. Further, the application site of each example may be a flat ground (for example, a place used by a person such as a park) or a slope.

DESCRIPTION OF SYMBOLS 1 vegetation mat 2 fixing member 3 cut-off material 4 non-woven fabric 5 geotextile net 6 lawn mat 6a turf 6b soil 7 main part 8 overhanging portion 8a overhanging portion 8b overhanging portion 8c overhanging portion 8d overhanging portion 9 rising edge 10 pin hole 11 Fixing portion 12 Connecting member 13 Pin 14 Digging groove 15 Field

Claims (5)

Are integrated turf geotextile net, Yes arranged plurality laid vegetation mat having a projecting portion of the front Symbol geotextile net and its peripheral main portion which the integrated was on the ground so that the main body portion to each other are in close contact,
Lawn protective structure provided with the parting material to prevent the rolled up of the outer peripheral edge by boars by pressing fixed on the ground overhanging portion at the parting material constituting the outer peripheral edge of the spread-lined vegetation mats. The vegetation sheet to hold the turf seeds are integrated in a geotextile nets, ground vegetation mat having a projecting portion of the front Symbol geotextile net and its peripheral main portion which the integrated was such that the main body portion to each other are in close contact There are several tiles lined up on top,
Lawn protective structure provided with the parting material to prevent the rolled up of the outer peripheral edge by boars by pressing fixed on the ground overhanging portion at the parting material constituting the outer peripheral edge of the spread-lined vegetation mats.   The lawn protection structure according to claim 1 or 2, wherein a non-woven fabric is attached to the lower surface of the vegetation mat. It is a lawn protection method for constructing the lawn protection structure according to any one of claims 1 to 3, and a plurality of vegetation mats having projecting portions of the geotextile net on the periphery are lined on the ground, The lawn protection method which press-fixes the overhang | projection part which comprises the said outer peripheral edge part of the laying mat arranged in a row with the said parting material. A plurality of vegetation mats having an overhanging portion of the geotextile net on the periphery are laid out on the ground, and the overhanging portions constituting the outer peripheral end of the laid out vegetation mat are laid in a dug groove formed on the ground The lawn protection method according to claim 4, wherein the digging groove is covered after the cut-off material is accommodated from above.

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