JP2949057B2 - Vegetable material for repairing vegetation base made of porous concrete block and repair method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vegetation material for repairing a vegetation base made of a porous concrete block and a repair method using the vegetation material.

[0002]

2. Description of the Related Art Regarding greening of a slope, unsolidified concrete having a permeable opening is sprayed on the slope to solidify the slope, or a permeable concrete block having a continuous opening is provided. Is laid on a slope, and then plant seeds are directly sown on the slope or sprayed with a seed mixed with an adhesive material to grow the plant.

Also, a vegetation base comprising a porous concrete block or the like in which seeds, soil and other substances are already filled in open continuous voids therein (Japanese Patent Laid-Open No. 5-29)
It is also known to perform greening of a slope or the like by using 5714). In this case, for example, a vegetation material composed of a mixture of urea formaldehyde foam and seeds (Japanese Patent Laid-Open No. Sho 50-1)
18516) or a mixture prepared by adding a water-retentive material to the block when the water permeability of the block is not good (JP-A-61-2).
Vegetation material is used as a vegetation material in which seeds are added to the vegetation base material, and the vegetation is sprayed onto the vegetation base material.

[0004] On the other hand, when the vegetated plants die, in order to rebuild a vegetation zone in that portion, the surface layer of the dead portion is once leveled, and seedlings are individually buried and covered again. This is handled by applying fertilizer or watering as necessary.However, if the surface to be repaired is relatively wide, work efficiency is generally reduced by using soil, and if necessary, water, fertilizer, soil improvement materials, etc. The vegetation material for repair that has been added is produced, and the vegetation material with the seeds added thereto is sprayed onto the surface of the target portion to perform repair.

[0005] However, it is difficult to spray the repair vegetation material itself to the target portion without leaking evenly depending on the repair technique, or the repair vegetation material has poor fixability, and is easily even by slight wind and rain. It may flow out and scatter outside the base. In addition, even though it is possible to cover the surface of the filling material in the basement, the repairing vegetation material so far is not necessarily the same as the filling layer, such as the packing density, air permeability, moisture content, or chemical composition, A qualitative step occurs at the boundary between the layer of the filling material and the layer made of the vegetation material for repair . In such a case, the repair vegetation material is difficult to be completely fixed to the filling material, and is often in a state of being simply loaded. In such a case, for example, when it is in a dry state, a crack is formed in the boundary portion, and the repair vegetation material layer is liable to peel or separate, and particularly when installed on an inclined surface, the portion made of the repair vegetation material falls off. May be.

[0006] In general, plant roots tend to extend downward in the ground, but when there is a qualitatively different portion in the surrounding soil, the root bends at that portion when the tip reaches a heterogeneous layer. There is a tendency to extend along the interface between both layers. In a vegetation base overfilled with a vegetation material for repair containing seeds, there are cases where roots exist only to a relatively shallow depth consisting of a vegetation material for repair , and in such a condition, sufficient It becomes difficult to absorb nutrients and especially water. Furthermore, the roots become possible to facilitate separation of the lower layer portion consisting of an upper part and a prefilled consisting of repair vegetation material it was a boundary interface extending along different layer boundary surface, repair vegetation material It becomes even more difficult to permanently fix the material to the filling in the substrate. As a result, the plants may be undergrown, or may die again when both layers are completely separated.

[0007]

As described above, there are various problems with the vegetation material for repairing the vegetation base made of the porous concrete block and the repair method using the vegetation material. The present invention solves these problems, that is, the conventional vegetation material used for repairing a vegetation base made of a porous concrete block which is already filled with filler is easily and reliably fixed to the filling in the base. The purpose is to solve the following problems: difficulties in repairing, difficulties in permanent fixation even if they are established, and the fact that the growth of new plants used for repair was not always satisfactory in conventional methods. It is what it was.

[0008]

Means for Solving the Problems In order to solve the above-mentioned problems, the present inventors have conducted intensive studies, and as a result, as a vegetation material for repairing a vegetation base made of a porous concrete block, a qualitative relationship with a main component of the filling material in the basement. It has been found that a material having a difference as small as possible as a main component, and a material obtained by adding a vinyl acetate-based greening curing material and moisture to the substrate can be securely fixed to the base. Furthermore, when vegetation over a relatively large area or a plant once planted has withered and is repaired for revegetation, the vegetation material containing the desired seeds is applied or sprayed to spread the vegetation material. By covering the upper surface of the base, the vegetation material can be easily and reliably settled, and thereafter, the repaired portion does not peel off or fall off, and the growth condition of the seeded plant is found to be quite good, and the present invention has been completed. Was.

[0009] That is, the present invention relates to a water-retaining material or
Combining plant seeds with a mixture of water retention materials and fertilizers
Porous filler filled with open packing in open continuous pores
Pre-emergence or germination on cleat block vegetation base
It is a vegetation material for repairing vegetation bases when the plants die later.
Comprising the same ingredients and composition as the filler 100
A vegetation material for repairing a vegetation base made of a porous concrete block, comprising: parts by weight, 2 to 5 parts by weight of a vinyl acetate-based greening curing material, and 50 to 100 parts by weight of water. It is.

The main component of the repair vegetation material of the present invention is the same component as the mixture filled in the open continuous voids in the porous concrete block vegetation base. That is, the same soil as the soil contained in the filling, the same water-holding material as the water-holding material contained in the filling, or the same water-holding material and fertilizer as the water-holding material and fertilizer contained in the filling. Is a vegetation material for repair containing a mixture obtained by adding as much as possible the same content ratio as the filler. Here, as the soil, for example, a soil containing quartz and / or feldspar, such as black clay, Akadama clay, Kanuma clay, fine silica stone powder, and grass soil is preferable. Further, as a water-retentive material constituting the base filling, pearlite can be mentioned as an example, and as a fertilizer, for example, heavy-burned phosphorus can be mentioned.

When water is added to the above-mentioned mixture forming the repairing vegetation material, especially when the planting or repairing is carried out using a spraying method which is a sowing method having excellent working efficiency on a wide range of surfaces, a powdery state is required. It should be easier to handle in a liquefied state than in a liquefied state. The density of the vegetation material sprayed as a hydrated material is higher than that of the vegetation material sprayed as a dry powder, and a material closer to the density of the already-filled material is easily obtained. Further, as for the fixation on the substrate surface, the hydrated material has higher tackiness than the dried product, and can be fixed more reliably. This makes it possible to minimize the content of adhesives and pressure-sensitive adhesives that are not necessarily useful for plant growth, as is the case with conventional sprayed vegetation materials. . In addition, even if the water content in the vegetation material for repair is higher than the water content of the already-filled material, it is easily diffused to the lower filling layer, and the concentration becomes uniform throughout. Integration of moisture concentration near the layer boundary should be completed in a short time. For this reason, about 50 to 1 water is added to the mixture.
Add 00% by weight.

The vinyl acetate-based greening curing material constituting the repairing vegetation material is used to prevent the mixture and seeds from flowing and eroding, and from the viewpoint of the influence on the germination rate and the prevention of erosion. % By weight is preferred. Examples of such a vinyl acetate-based greening curing material include S-Fix (trade name, manufactured by Sekisui Chemical Co., Ltd.).

Furthermore, the present invention provides a vegetation base made of a porous concrete block in which soil is combined with a water retentive material or a mixture of a water retentive material and a fertilizer and plant seeds are filled in continuous open pores. In the method for repairing a vegetation base made of a porous concrete block, the above-mentioned vegetation material is applied or sprayed on the upper surface of the vegetation base to fix the plant before or after germination.

This repairing method is a repairing method for a vegetation base in which plants have died before or after germination using the vegetation material according to the above invention, and can be used when the cause of death is mainly due to weather. Is the way. As an example of the repair method, turf plant seeds such as creeping red fescue and the like are added to a material consisting of the same components as the filling material in the base except for moisture and dead plant debris.
100 parts by weight of the compounded water and about 50-100
A vegetation material in a slurry state is prepared by mixing 2 parts by weight and 2 to 5 parts by weight of a vinyl acetate-based greening curing material. This is sprayed or applied to the upper surface of the base filler using, for example, a commercially available sprayer or the like, and the dead vegetation base is repaired by covering the upper surface of the filler without unevenness so that the thickness becomes about 5 to 20 mm. be able to.

[0015]

As described above, according to the present invention, by minimizing the difference in the components between the filling in the vegetation base made of porous concrete block and the vegetation material for repair , the two become very close in qualitatively, and the two are in close contact with each other. Since the qualitative steps in the surface are smaller, they can be easily integrated, and permanent fixation of the vegetation material to the filling can be performed.

[0016]

The present invention will be described below in detail with reference to examples. [Example 1] In a mold of 400 x 400 x 80 mm,
A nonwoven fabric was laid, a mixture of concrete materials having the following composition was mixed, and the mixture was molded with an immediate de-frame type block machine (Sasaki type block No. 2 sho). Water 48.90 Kg / m ³ ordinary Portland cement 259.00 Kg / m ³ aggregate (crushed stone, particle size 10~20mm) 1501.00 Kg / m ³ admixture (Kao Co., Ltd. "Maitei 150") 5 .18 Kg / m ³ AE agent (“Mighty AE03” manufactured by Kao Corporation) 0.1295 Kg / m ³ This was cured at 65 ° C. for 4 hours, and then deframed.
A porous concrete block having continuous open pores (porosity of about 30%) was produced.

Next, the black clay was dried in a dryer at 80 ° C. for 2 days and pulverized so as to have an average particle size of 1.2 mm or less. Perlite ("No. 1 for processing" manufactured by Mitsui Kinzoku Kogyo Co., Ltd.) was mixed with the dried black clay at a volume ratio of 1: 1 to form a filler. The porous concrete block was fixed on a vibrating table, and the filler was uniformly filled in the voids while applying vibration. Esfix aqueous solution diluted 20-fold with tap water was added to the top of the porous concrete block, 1 block per block.
After spraying 50 ml, the filling was fixed by air drying sufficiently to obtain a vegetation base made of a porous concrete block.

On the upper surface of this vegetation substrate, 188 g of the same mixture as the above-mentioned filling material, and Chewing Fesc Jamestown (product name, manufactured by Snow Brand Seed Co., Ltd.) 3 as a plant seed
g, a mixed vegetation material consisting of a mixture of 5 g of heavy clay burned phosphorus (Onoda Chemical Co., Ltd.) and 150 g of an Esfix aqueous solution diluted 20 times with tap water, is coated uniformly so as to have a thickness of about 6 mm. It was placed in a greenhouse at about 23 ° C. and watered appropriately. As a result, the germination rate and plant height after 28 days were 93% and 3.5 cm, respectively.

Example 2 The same filling of black clay and pearlite as in Example 1 was uniformly filled in the void of a porous concrete block similar to that described above, and then, about 8 mm from the top of the block by a dust collector. The filling at a depth of is suctioned off. In the part where the filler in the block is removed,
188 g of the same filler as above, 1.8 g of Bermudagrass Common, Kentucky Bluegrass
2.205 g of Snow KBII, chewing fescue
A seed group consisting of 3 g of Jamestown (all manufactured by Snow Brand Seedling Co., Ltd.) and a mixture of 5 g of heavy-burnt phosphorus are mixed with 20
0 g was uniformly filled. After spraying 150 ml per block of a 20-fold aqueous solution of S-fix onto the upper surface of the newly filled porous concrete block,
After natural drying, the filler and seeds were fixed to obtain a vegetation base made of a porous concrete block. This vegetation base is averaged at 2
It was set on the outdoor ground at 0 ° C. and sufficiently watered. Two weeks after installation, germination started smoothly from the porous concrete block vegetation base, and after 28 days, the base was generally 3
Plants with a plant height of more than 1 cm were grown. At that time, the porous concrete block vegetation base was
It was placed in a dryer at 0 ° C. for 100 hours, and all the plants were killed.

On the upper surface of the vegetation base where the plants were withered, 188 g of the same filler, 3 g of chewing fescue Jamestown seeds, 5 g of hard-burned phosphorus and 2 g
A vegetation material mixed with 150 g of a 0-fold diluted S-fix aqueous solution was applied so as to have a thickness of about 6 mm, and was placed in a greenhouse at a temperature of about 23 ° C to perform appropriate watering. As a result, the germination rate and the average plant height after 28 days were almost 100% and 3, respectively.
It became 5 cm.

Hereinafter, comparative examples out of the scope of the present invention will be described for reference. Comparative Example 1 240 g of peat moss, 262.5 g of bark compost, 112 g of ordinary Portland cement, 900 g of water, 21 g of hydrophilic urethane resin and 21 g of chewing on the upper surface of a vegetation base made of a porous concrete block containing the same filler as in Example 1 above. Vegetation was performed by applying a mixture of 6 g of Fesc Jamestown seeds so as to have a thickness of about 10 mm, and was placed in a greenhouse under the same conditions as in Example 1 above, and moderately watered. As a result, 2
The germination rate and plant height after 8 days are 69% and 2.7c, respectively.
m.

[Comparative Example 2] 240 g of peat moss, 262.5 g of bark compost, 112 g of ordinary Portland cement, water on the upper surface of a vegetation base made of a porous concrete block prepared by the same method as in the above-mentioned Example 2 and withered plants. 900 g, 21 g of hydrophilic urethane resin and 6 g of seeds of Chewing Fesc. Jamestown were applied to repair the dead foundation, and placed in a greenhouse under the same conditions as in Example 2 above to water properly. went. As a result, the germination rate and plant height after 28 days were 8
3% and 3.2 cm.

[0023]

According to the present invention, the vegetation material for repairing a vegetation base made of a porous concrete block according to the present invention can be securely fixed on the filling in the base and can be easily integrated with the filling. The method of repairing the vegetation base using this repair vegetation material is as follows:
It is simple and gives good results in both the germination rate and the growth of the plant. Furthermore, the present method can be applied to a wide range of repair target locations, and a vegetation material component corresponding to the repair target location can be selected.
It is an excellent revegetation policy that has a wide possibility of being applied to artificial vegetation bases other than those made of Tobrock, or vegetation other than the vegetation base, or repair target parts, such as ordinary open ground.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) A01C 1/04 A01C 7/00 E02D 17/20 102

Claims (2)

(57) [Claims] 1. A soil material comprising a water-retentive material or a water-retentive material and a fertilizer.
Of a mixture of plant seeds and a mixture
Porous concrete block filled with continuous open pores
Plants die before or after germination on vegetation base
Vegetation material for vegetation base repair in the case of
100 parts by weight of the same components and composition, 2 to 5 parts by weight of a vinyl acetate-based greening curing material, and 50 to 10 parts of water
A vegetation material for repairing a vegetation base made of a porous concrete block, comprising a material containing 0 parts by weight. 2. A vegetation base made of a porous concrete block filled with soil and a mixture of a water retentive material or a mixture of a water retentive material and a fertilizer and a plant seed, and filled with continuous open pores before germination. A method for repairing a vegetation base made of a porous concrete block, wherein the vegetation material according to claim 1 is applied or sprayed to fix the vegetation material when the plant dies after germination.