JP2008196208A - Greening implement, greening method, and greening structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a greening implement, a greening structure and a greening method contributing to achievement of suitable greening at a low cost while protecting natural environment, and attaining facilitation of construction work and improvement of safety. <P>SOLUTION: The greening implement comprises receiving parts 2 of folded sheet shape, and a net-like body 3 holding the receiving parts 2 in an openable/closable manner. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to, for example, a greening tool, a greening method, and a greening structure that are suitable for use in, for example, slope planting and contribute to facilitating the introduction of local vegetation.

  Conventionally, a so-called stand-by type greening method in which a fertilizer bag is installed on a slope so as to be substantially parallel to a contour line of the slope has been constructed. After construction of this tree planting method, flying seeds from the surroundings, leaves of trees, and washed away sediment from the slope mountain side are blocked and accumulated by the fertilizer bags placed on the slope surface, so that the vegetation base on the mountain side It will be formed in a shape.

  Then, the so-called step effect that plants easily grow in the step formed on the slope, the vegetation is actively introduced to the slope, and the greening is realized early and well. That is, the stage effect referred to here is an effect in which, for example, a sedimentary layer or the like accumulates, so that, for example, a growth base layer having a gentler slope than the slope is formed in a stage shape, and plants easily grow in this stage.

  In addition to the fertilizer bag, a vegetation net or an anchor pin for holding the fertilizer bag is sufficient for the construction of the above-mentioned greening method, and an expensive member is unnecessary, so that the construction can be performed at low cost. In addition, it is thought that most of the plant seeds from the surrounding area are rooted in the steps, so that the ecosystem near the construction site is not disturbed in darkness and achieves a very friendly greening to the natural environment. Can do.

Japanese Patent Laying-Open No. 2005-9202 JP 2006-266043 A

  However, in order to carry out the above greening method, it was necessary for the worker to install a relatively heavy fertilizer bag on the slope, and the installation work required considerable labor and was dangerous. Therefore, it is urgent to facilitate the above work and improve safety.

  The present invention has been made in view of the above circumstances, and its purpose is to contribute to the achievement of suitable greening at a low cost while protecting the natural environment, and also to facilitate construction work and improve safety. An object of the present invention is to provide a greening tool, a greening structure, and a greening method capable of achieving the above.

  In order to achieve the above-mentioned object, a greening tool according to the present invention is characterized in that it is provided with a receiving part in the form of a folded sheet, and a net-like body that holds the receiving part so that it can be opened and closed. 1).

  Further, in the above greening method, the mesh body may include an accommodating portion that accommodates the receiving portion and restricts an opening angle thereof (Claim 2).

  In the greening method, a vegetation base material may be sandwiched between the receiving portions (claim 3).

  Moreover, in the said greening method, you may adhere | attach with the water-soluble adhesive so that the said receiving part may be in a closed state (Claim 4).

  Moreover, in order to achieve the said objective, the tree planting method which concerns on this invention provides the planting tool in any one of Claims 1-4 on a slope, and arrange | positions the said receiving part so that it may open to the mountain side. (Claim 5).

  Furthermore, in order to achieve the said objective, the tree planting structure which concerns on this invention was constructed | assembled on the slope by constructing the tree planting method of Claim 5 (Claim 6).

  In inventions according to claims 1 to 6, a greening tool that contributes to the achievement of suitable greening at a low cost while protecting the natural environment, and can also facilitate construction work and improve safety. A greening structure and a greening method are obtained.

  That is, in the greening tool according to claim 1, if a step is formed on the slope by the receiving part, the vegetation is actively introduced to the slope by the step effect, and the greening is realized early and well. can do.

  Further, the installation of the greening tool is sufficient if there is an anchor pin or the like, and an expensive member is unnecessary, so that it can be implemented at low cost.

  Furthermore, most of the plant seeds from the area around the area where the greening tools are installed fly to the receiving part, so it can maintain harmony with the plants in the surrounding area and the local vegetation can be restored. It becomes.

  Moreover, it is only necessary to handle a greening tool consisting of a light receiving part and a net-like body without carrying out dangerous heavy labor such as transporting and installing heavy fertilizer bags as in the past. It is also possible to improve the performance.

  In addition, the receiving part is three-dimensionally expanded in a state where the greening tool having the receiving part is installed on the slope, but when the greening tool before construction is transported and stored, it is two-dimensionally folded in two. It is possible to keep it in a general state (planar shape). Therefore, compared with the conventional mat using members, such as a manure bag with a height from the beginning, in order to exhibit a step effect, the greening tool which can make a structure still more compact is obtained in the present invention. That is, for example, when the greening tool according to the present invention is wound in a roll shape, the roll diameter is smaller than the conventional vegetation mat with a fertilizer bag, and the roll diameter of the vegetation mat of the type without the fertilizer bag It becomes the same level as.

  In addition, the nets installed in the land to be planted have the effect of preventing slope erosion and / or trapping flying seeds (the effect of fixing flying seeds to the slope), so that the greening coating on the slope is extremely good and Can be reliably achieved.

  In the greening tool according to claim 2, since the housing portion regulates the opening angle of the receiving portion, the degree of opening of the housing portion can be freely adjusted, and a small step having a desired size and height is provided on the slope. It can be formed easily.

  In the greening tool according to the third aspect, since the vegetation base material is sandwiched between the receiving portions, the plant rooted in the step can be grown more reliably and satisfactorily.

  In the invention according to claim 4, since the receiving portion is in a closed state, the receiving portion that is in an open state during transportation or storage is not opened and becomes difficult to handle or breaks. A greening tool capable of improving the quality is obtained.

  In the invention concerning Claim 5, the tree planting method which has the said effect is obtained, and in the invention which concerns on Claim 6, the greening structure which show | plays the said effect is obtained.

  FIG. 1 is a perspective view schematically showing a configuration of a greening structure and a greening tool 1 used in a greening method according to an embodiment of the present invention, and FIGS. 2A to 2C are a configuration of the greening structure and It is explanatory drawing which shows each process of a greening construction method roughly.

  First, the greening tool 1 according to this embodiment includes a receiving portion 2 in the form of a folded sheet and a net-like body 3 that holds the receiving portion 2 so as to be openable and closable.

  The receiving portion 2 is, for example, a folded sheet-like non-woven fabric, corrugated cardboard, synthetic resin plate, or the like, which is reinforced, and is in an open state in which the longitudinal section is substantially L-shaped (see FIG. 1 (see an enlarged view in FIG. 1).

  Further, the receiving part 2 holds a vegetation base 4, which is a topsoil seed bank collected from a natural ground or a forest around the area where the planting tool 1 is to be placed. It contains at least one of a base material, a fertilizer such as peat moss and bark compost, a growth aid such as a water retention material, and a soil improvement material. The topsoil seed bank is soil in the topsoil layer in the range of 5 to 10 cm deeper than the ground surface (surface layer) excluding the defoliation layer in soils such as forests and natural ground, and from the soil of other layers Is also especially rich in buried seeds.

  In this embodiment, as the vegetation base material 4, seeds of grass species, fertilizer, growth base material, water retention material, and soil improvement material are blended. In this embodiment, the vegetation base 4 is bonded to the inner surface 2a of the receiving part 2 with a water-soluble adhesive.

  On the other hand, the net-like body 3 is provided with upper and lower double nets 5 and 6 integrated by, for example, stitching, and the housing portion 7 extending left and right is appropriately spaced in the vertical direction (about 20 cm to 1 m, in this embodiment. In this case, a plurality of the gaps are provided at intervals of about 40 cm.

  Here, the reticulate body 3 is made of a highly durable fiber (for example, a fiber such as nylon, polyester, aramid, carbon, glass, polyacetal, or the like) or a corrosive fiber (for example, a fiber such as insulator), or the durability. Is formed by braiding a fiber rich in corrosive and corrosive fiber and forming it in a lattice shape with a mesh of about 5 to 100 mm. In addition, the net-like body 5 is partly or entirely made of corrosive fibers (for example, insulators or the like) so as not to inhibit the growth of plant seeds on the slope N in a state of being laid on the slope N (see FIG. 2). In the future, it is desirable to use a material that corrodes in about 1 year and a material that corrodes in about 10 years. Can also be formed. In addition, the net-like body 3 has more flexibility than can be stretched along the slope N even if the slope N is uneven.

  Then, the receiving portion 2 can be accommodated (mounted) by the accommodating portion 7 by inserting the receiving portion 2 from the side of the accommodating portion 7, and the accommodating portion 7 has an opening angle of the accommodated receiving portion 2. It is configured to regulate. That is, in the present embodiment, the housing portion 7 is formed by partially loosening the upper net 5 and not connecting the slack portion to the lower net 6, and adjusting the slack length to accommodate the slack portion. By setting the part 7 to an appropriate size, the receiving part 2 accommodated in the accommodating part 7 is prevented from opening more than an appropriate angle (for example, about 60 to 120 degrees). Moreover, it is preferable that the opening width of the accommodating part 7 shall be 1-15 cm, and it is more desirable to set it as 5-10 cm.

  Further, the receiving portions 2 accommodated in the respective accommodating portions 7 are all opened in the same direction.

  The greening tool 1 in which the receiving part 2 is mounted on the mesh body 3 is wound in a roll shape in the initial state as shown in FIG. 1, and the receiving part 2 is closed by the pressure received in the wound state. It is in a state.

  In addition, the process of forming the receiving part 2 and the net-like body 3 respectively, the process of attaching the receiving part 2 to the net-like body 3 to complete the greening tool 1, and the process of winding the greening tool 1 in a roll shape are all performed. Since it can be automated, the greening tool 1 is suitable for mass production in a factory or the like.

  On the other hand, in the greening structure according to this embodiment, as shown in FIG. 2 (A), the greening tool 1 is laid on a slope N as a greening target site, and at this time, the receiving part 2 is used as a legal part. It forms by arrange | positioning so that it may open on the mountain side of the surface N.

  Next, the greening method will be described. As shown in FIG. 1 and FIG. 2 (A), this tree planting method is arranged so that the roll-shaped planting tool 1 is developed and laid on the slope N, and the receiving part 2 is opened to the mountain side. To complete. Here, the greening tool 1 can be laid on the slope N by, for example, placing anchor pins (not shown). In addition, the greening structure according to the present embodiment is formed on the slope N by the completion of the greening method. That is, the greening structure includes a receiving portion 2 that is formed in a folded sheet shape so as to open on the mountain side of the slope N, and a net-like body 3 that holds the receiving portion 2 so as to be openable and closable. is there.

  With the construction of the above-mentioned greening method, the greening tool 1 is first developed from a roll shape, so that the receiving part 2 is moved from the closed state shown in FIG. ) To an open state opened by a predetermined angle shown in FIG.

  Thereafter, the sediment 8, the flying seeds 9 from the surroundings, the leaves of the leaves, and the like are accumulated in the receiving portion 2 in the open state, so that the vegetation base material 4 and the above-described washed-out sediment 8 that the receiving portion 2 originally held are retained. The mixed vegetation base 10 is formed in a step shape (see FIG. 2C). And, since the vegetation base 10 provides a suitable environment for the growth of plant seeds, the so-called stage effect that the plant grows easily in the stage is obtained, so that vegetation can be actively introduced to the slope N, Greening will be realized early and well.

  Here, in order to obtain the above-described step effect, it is important that the receiving part 2 does not corrode immediately after laying on the slope N and maintains the step, specifically, three years after the construction of the greening method. It is desirable that the receiving portion 2 does not corrode, and it is preferable from the environmental aspect that the receiving portion 2 and the net 3 are corroded in the future.

  In the above greening method, the slope N is covered with the mesh body 3, and this mesh body 3 exhibits the effect of preventing the erosion of the slope N and the effect of catching the flying seeds. The coating will be achieved very well and reliably over its entire surface.

  Furthermore, in the above greening structure and the greening method for forming the greening structure, once the greening structure is installed, the subsequent maintenance and the like are almost unnecessary, so the management is very easy. Since the greening tool 1 can be installed simply by laying on the slope N using a fixing tool such as an anchor pin, the workability is good and economical.

  The above embodiment can be implemented with various modifications. For example, as shown in FIG. 3, a water-soluble adhesive is applied to the inner surface 2 a of the receiving portion 2, and the receiving portion 2 is closed until it gets wet to some extent by the adhesion of the water-soluble adhesive (folded in two). (State) may be maintained.

  When the water-soluble adhesive is applied to the inner surface 2a of the receiving portion 2 as described above, when the greening method for laying the greening tool 1 on the slope N to form a greening structure is performed, In this case, the water-soluble adhesive 11 of the receiving part 2 is melted by water supply by rain, condensation, watering work, etc., so that the adhesive force that closed the receiving part 2 disappears, and the receiving part 2 has its own restoring force. Thus, the closed state shown in FIG. 2A changes to the open state opened at a predetermined angle shown in FIG.

  Moreover, as shown in FIG. 4, even if it comprises so that the change from the closed state of the receiving part 2 to an open state may be ensured by providing the said receiving part 2 with the V-shaped member 12 with elasticity. Good.

  Further, as shown in FIG. 5, a surface portion (grounding surface portion) 13 on the receiving portion 2 that contacts the slope N is formed to be longer than a surface portion (standing surface portion) 14 that rises from the slope N, and the grounding surface portion 13. In this case, the receiving portion 2 may be fixed to the slope N by placing a fixing tool 15 such as an anchor pin in a portion that does not overlap the rising surface portion 14. In this case, the stability of the receiving portion 2 is increased by the fixing by the fixing tool 15, and the change from the closed state to the open state of the receiving portion 2 is also performed well.

  In the above embodiment, the net 3 is composed of the upper and lower double nets 5 and 6, but may be composed of only the upper net 5. In this case, the receiving part 2 may be held on the upper net 5 by an appropriate means such as sewing or adhesion. Further, the receiving part 2 may be held only by covering the receiving part 2 with the upper net 5, and in this case, the accommodating part 7 is configured such that the upper net 5 is provided with a slack portion in a band shape. By fixing with, for example, it is possible to form the portion where the slack portion is provided.

  Moreover, in the said embodiment, although what mix | blended the seed of the grass seed | species as the vegetation material 4 is used, if the topsoil containing a buried seed (surface soil seed bank) of the peripheral area of the slope N is used, the slope N Greening in harmony with the surrounding plant environment (natural environment) can be realized.

  In addition, the vegetation base 4 usually includes materials appropriately selected from materials that do not harm vegetation such as wood chips, agricultural and fishery wastes (shells, rice husks, fruit wastes, etc.), paper sludge, etc. A substrate may be added.

  Moreover, in the said tree planting construction method, you may land the vegetation base material 4 on the slope N after laying the tree planting tool 1 by appropriate methods, such as spraying and spreading. By applying customer soil in this way, the time required for sedimentation of earth and sand can be shortened, and a favorable plant growth environment can be prepared earlier. In this case, the slope N after the construction may be uniformly covered with the vegetation base material 4 with the same thickness as the height of the receiving part 2, or the vegetation base material 4 is accommodated in the receiving part 2 (accommodated) 2), as shown in FIG. 2C, a state in which earth and sand are accumulated on the receiving portion 2 (a state in which steps are formed) may be artificially created. Further, in any of the above patterns, the land may be applied to the entire surface of the slope N, or the part of the land may be formed in a streak or staggered pattern on the slope N. You may be made to do.

  Of course, each component of the greening structure and the greening method may be freely combined with each component according to the modification.

It is a perspective view which shows roughly the structure of the planting tool used for the planting structure and planting method concerning one embodiment of this invention. (A)-(C) are explanatory drawings which show roughly the structure of the said greening structure, and each process of a greening construction method. It is a perspective view which shows roughly the structure of the modification of the receiving part in the said embodiment. It is a perspective view which shows roughly the structure of the other modification of the receiving part in the said embodiment. It is a perspective view which shows roughly the structure of the other modification of the receiving part in the said embodiment.

Explanation of symbols

1 Greening tool 2 Receiving part 3 Reticulated body

Claims (6)

  A greening tool comprising a receiving part in the form of a folded sheet and a net-like body that holds the receiving part in an openable and closable manner.   The greening tool according to claim 1, wherein the mesh body has a housing portion that houses the receiving portion and restricts an opening angle thereof.   The greening tool according to claim 1 or 2, wherein a vegetation base material is sandwiched between the receiving portions.   The greening tool according to any one of claims 1 to 3, wherein the receiving part is adhered with a water-soluble adhesive so as to be in a closed state.   A planting method according to any one of claims 1 to 4, wherein the planting tool according to any one of claims 1 to 4 is provided on a slope, and the receiving portion is arranged to open to a mountain side.   A greening structure constructed on the slope by constructing the greening method according to claim 5.

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