JP3740678B2 - Method for forming drain hole of planting block - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for forming a water drain hole of planting blocks, in detail, in order to create an environment with peace, landscape, street, park, etc., public facilities and other various facilities, factories, parking Kurumajo relates a method of forming the other square and various locations installed by planting block weep holes.
[0002]
[Prior art]
Conventionally, this type of planting block is a flat or curved concrete block, which is connected to a frame of an appropriate shape and filled with planting soil in the frame and is continuous with the ground. Or a bottomed pot-shaped concrete block, which is designed to plant plants in planting soil filled inside, both of which have side holes for ventilation and drainage, and bottoms Drainage holes for drainage are drilled in the water, and sometimes various debris, pebbles, etc. (hereinafter referred to as coarse aggregate) that promote ventilation and water drainage are arranged in the vicinity of these holes. In order to prevent the outflow of planting soil, coarse aggregate, etc. from the holes, nets, water plates, etc. are arranged for these holes.
[0003]
[Problems to be solved by the invention]
However, in such a conventional planting block, a net or a water flow plate is arranged for the horizontal hole or drain hole to ensure ventilation and drainage. The nets and water flow plates move without staying in place when planting filler is put into the area or block, when planting filler sinks over time, or when the roots of plants grow. Therefore, there is a problem that planting soil, coarse aggregate, and the like flow out from the side holes and drain holes, and the current situation is that the ventilation and drainage properties cannot be maintained in a stable state.
The present invention is such has been made in consideration of the conventional problems, and aims to provide a method of forming a stable condition with aeration and drainage can be maintained planting block weep holes.
[0004]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the method for forming a drainage hole of a planting block according to the present invention forms the drainage hole 3 in a mold 9 when the planting block 1 having the drainage hole 3 is formed. Projecting portions 10 to project opposite to each other, and sandwiched between the packing material 11 provided at the tip portion of each projecting portion 10 with a net 4 or a porous lid 17 to prevent the planting filler from flowing out. The outer periphery of the mesh body 4 or the porous lid 17 projecting outward from between the packing materials 11 is embedded in the concrete filling the mold 9.
According to the method for forming the drainage hole of the planting block of the present invention, the protrusions 10 that form the watering holes 3 are provided in the mold 9 so as to face each other, and the tips of the protrusions 10 are provided. The mesh body 4 or the porous lid 17 is interposed between the packing materials 11 provided on the outer periphery of the packing material 11, and the outer peripheral edge of the mesh body 4 or the porous lid 17 projecting outward from between the packing materials 11 is formed into the mold frame 9. In order to embed in the concrete to be filled therein, when forming the planting block 1, the mesh body 4 or the porous lid 17 can be stretched and integrated into the drain hole 3 simultaneously with the formation of the drain hole 3. At the same time, the packing material 11 can be elastically deformed and bite into the mesh of the mesh body 4 or the through hole of the porous lid 17 to prevent the mesh or the through hole from being clogged with the concrete.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Figure 1 shows an embodiment of a planting block according to the present invention, 1 denotes a planting block of this embodiment, a concrete bottom portion forming a frame shape in plan view elliptical shape is opened The block main body 2 is comprised.
As shown in FIGS. 1A to 1C, the block main body 2 is provided with a convex portion 5 having an outer upper corner formed in an arc shape at the upper end of the outer wall so as to project in a belt shape in the circumferential direction. At the same time, the upper end surface including the upper surface of the convex portion 5 is formed as an inclined surface 6 that descends inward of the block main body 2, and the block half of the outer wall of the block main body 2 is rounded at every corner. A convex portion 7 having a substantially trapezoidal cross-section with a protrusion is provided in a strip shape in parallel with the convex portion 5 in the circumferential direction.
[0006]
In addition, a circular drainage hole 3 is formed in the side wall of the block body 2 at a desired position on the upper side from the lower end, and the drainage hole 3 is planted as shown in FIGS. A net 4 (or a porous lid 17, which will be described later) for preventing the plant filler from flowing out is embedded in the outer periphery of the block body 2, specifically in the hole wall of the drain hole 3. Has been. In order to eliminate the need for replacement of the mesh body 4 (or the porous lid 17), a material having excellent corrosion resistance such as stainless steel or plastic is used.
Thus, when using the planting block 1 according to the present embodiment, for example, as shown in FIG. The planting soil 16 that is positioned further above and is filled in the block main body 2 is made continuous with the ground, and then the plant 15 is planted. The water level rises in the block main body 2 and becomes redundant. Water is drained from the drain hole 3, and the mesh 4 (or the porous lid 17) of the drain hole 3 serves as a ventilation window.
[0007]
According to the planting block 1, during the construction, the trouble of attaching the mesh body 4 (or the porous lid 17) for preventing the planting filler from flowing out is saved, and the position of the mesh body 4 (or the porous lid 17) is eliminated. Is fixed in advance, and when the planting soil 16 is filled into the block body 2, when the planting soil 16 is subsided over time, or when the roots of the plant 15 are spread, the positional shift is prevented. In addition, the outflow of the planting soil 16 from the drain hole 3 is reliably prevented, and the ventilation and drainage are maintained .
[0008]
FIG. 3 shows another embodiment of the planting block according to the present invention, and the planting block 1 of the present embodiment is composed of a block main body 2 having a rectangular flat plate shape, and substantially the same as the above. A convex portion 5 whose outer upper corner is formed in an arc shape is projected on the upper end portion of the wall in a band shape, and the upper end surface including the upper surface of the convex portion 5 is on the inner wall side of the block body 2 In the middle of the outer wall of the block body 2, a convex part 7 having a substantially trapezoidal cross section is formed in parallel with the convex part 5 in the longitudinal direction. It protrudes in a strip shape.
Further, as shown in FIGS. 4A and 4C, a water drain hole 3 mainly having a circular ventilation is formed in the vicinity of the center of the outer wall of the block main body 2, and the water drain hole 3 is formed in the water drain hole 3. In the same manner as described above, the net 4 (or the porous lid 17) for preventing the planting filler from flowing out is stretched with its outer peripheral edge embedded in the hole wall of the drain hole 3.
[0009]
When using the planting block 1 of the present embodiment, for example, as shown in FIG. 4 (a), the planting frame 18 is connected in combination with a planting block 1 'having another flat plate shape or curved plate shape. As shown in the figure (B), the lower half is buried in the ground so that the drain hole 3 is positioned above the ground G and is filled in the planting frame 18 formed. A plant is planted after the planting soil 16 is directly connected to the ground, and excess water in the frame is drained from the drainage hole 3 and the net 4 (or the porous lid) of the drainage hole 3 17) is a ventilation window .
[0010]
Moreover, also in the planting block 1 of this embodiment, the position of the net-like body 4 (or the porous lid 17) is fixed in the water draining hole 3 in the same manner as the planting block shown in FIG. 3 is reliably prevented from flowing out of the planting栽土16 aeration and drainage properties Ru is maintained.
[0011]
FIG. 5 shows another embodiment of the planting block according to the present invention, and the planting block 1 of the present embodiment is made of a concrete block main body 2 having an elliptical bottomed pot shape in plan view. .
The outer shape of the block body 2 is similar to the planting block shown in FIG. 1 above, and has convex portions 5 and 7 on the outer wall and an inclined surface 6 on the upper end surface, and is not a side wall of the block body 2. A circular drain hole 3 is formed in the center of the bottom, and the drain hole 3 has a net-like shape that prevents the planting filler from flowing out as shown in FIG. The body 4 (or the porous lid 17) is stretched with its outer peripheral edge embedded in the hole wall of the drain hole 3, and the bottom inner surface is a gently inclined surface that descends toward the drain hole 3. Yes.
[0012]
The planting block 1 of the present embodiment is such that when the plant body 2 is filled with planting soil and plants are planted, excess water in the block body 2 is drained from the drain hole 3 at the bottom. there are, you reliably prevent the position of the mesh body 4 (or porous lid 17) fixed to the drain hole 3 the outflow of planting栽土from the drain hole 3.
[0013]
Also, FIG. 6 shows an example of the porous lid 17 (this becomes locked to Endan portion 3a on the bottom water drain hole 3 of the planting block 1 in the example), the porous lid 17, thin hands A plurality of through holes formed in a circular plate are formed of a substantially arrow-shaped through hole 17a and a substantially raindrop-shaped through hole 17b interposed between the substantially arrow-shaped through holes 17a, and each of the through holes 17a, 17b. The narrowest part of the circular plate has a radial shape directed toward the center of the circular plate, and the closing width B of the plate portion 17c of the circular plate remaining between them is equal to or less than the maximum opening width b of the through holes 17a and 17b. Has been made.
Therefore, if the porous lid 17 is made to face the planting material in the planting block 1, the porosity of the porous lid 17 by the substantially arrow-shaped through-hole 17a and the substantially raindrop-shaped through-hole 17b becomes extremely large. In addition, the ventilation to the planting material to be performed through each of the through holes 17a and 17b and the drainage from the planting material are efficiently performed, and the maximum opening width b of each of the through holes 17a and 17b is such a porosity. Since it is set to be smaller than the main particle size (particle size) of the planting material facing the lid 17, the clogging of the planting material in each through hole 17a, 17b and the planting from each through hole 17a, 17b It is possible to reliably prevent leakage of planting material.
[0014]
Next, the planting method of forming the block 1 of the drain hole 3 of the present invention will be described with reference to FIG. 7 and FIG.
In FIG. 7 , reference numeral 9 denotes an open top mold, which basically comprises an ellipse-shaped vertical cylindrical inner mold 12 and a separable outer mold 13 assembled on the outer periphery thereof. 1 can be formed by filling the gap formed between the outer mold 12 and the outer mold 13 with raw concrete from the upper surface opening portion 14 and curing it. It is made like that. Further, in order to form a circular drain hole 3 in the side wall of the block main body 2, the truncated cone-shaped projections 10 are provided so as to face each other on the outer surface of the inner mold 12 and the inner surface of the outer mold 13. At the same time, an elastic rubber packing material 11 is attached to the tip of each protrusion 10 so that the packing materials 11 are in pressure contact with each other.
[0015]
When the mold 9 is assembled, as shown in FIGS. 7 (a) and 7 (b), the mesh body 4 (or the above-described porous material) is interposed between the packing materials 11 at the front ends of the protrusions 10 facing each other. A lid 17 (hereinafter the same shall apply) is interposed and held, and the outer peripheral edge of the mesh body 4 (or the porous lid 17) is projected outwardly from between the packing materials 11, By filling the gap between the mold 12 and the outer mold 13 with ready-mixed concrete, the outer peripheral edge of the mesh body 4 (or the porous lid 17) is embedded in the ready-mixed concrete, and demolded after curing and curing. As shown in FIGS. 1 (C) and (D), the mesh body 4 (or the porous lid 17) is formed in the hole wall of the drain hole 3 formed on the side wall of the block body 2 by both protrusions 10. The outer peripheral edge is embedded and integrated.
[0016]
For demolding, at least the protrusion 10 on the inner mold 12 side is detachable by an appropriate method such as screwing, and the protrusion 10 and the inner mold 12 are disposed inside the inner mold 12 at the time of demolding. And the mold 9 is turned upside down to pull out the inner mold 12, and then the outer mold 13 is removed in the lateral direction and the protrusion 10 remaining in the concrete is removed. In some cases, reinforcing bars formed in a predetermined shape are inserted into the mold 9 in order to reinforce the block body 2.
The drainage hole 3 is formed by stretching the mesh body 4 (or the porous lid 17) in the drainage hole 3 simultaneously with the formation of the drainage hole 3 when the block body 2 is formed. The packing material 11 that is pressed from the bottom bites into the mesh of the mesh body 4 (or the through holes 17a and 17b of the porous lid 17), and the pressure contact portion including the mesh body 4 (or the porous lid 17) becomes watertight. 9 is prevented from clogging the mesh of the mesh body 4 (or the through holes 17a and 17b of the porous lid 17), and the mesh body 4 projecting outward from between the packing materials 11 ( Alternatively, the outer peripheral edge of the perforated lid 17) is surrounded and fixed with ready-mixed concrete, and the ventilation, water flow and integrity of the mesh body 4 (or perforated lid 17) are maintained in a good state.
[0017]
Regarding the planting block 1, protrude number of cross-sectional shape and the convex portion 7 of the projections 5 and 7 of the outer wall of the block body 2 do not limited to the above embodiment, also, the convex portion of the upper end Only 5 may be protruded, or the convex parts 5 and 7 may not be protruded depending on the case.
[0018]
Further, in the above embodiment, the water draining hole 3 is a single circular shape, but the water draining hole 3 is not limited to this, and a plurality of water draining holes 3 may be provided in various shapes such as an elliptical shape, a triangular shape, a rectangular shape, a polygonal shape, The drilling location may be the side wall and / or the bottom of the block body 2.
Further, the mesh body 4 and the porous lid 17 may have various shapes such as a circle, an oval, a triangle, a rectangle, and a polygon, and the mesh body 4 has various mesh shapes and a general-purpose ventilation such as a porous plate. and can be used those having a water permeability, it at least its outer peripheral portion is embedded integrated in the pore walls of water拔-out hole 3 Bayoku, also, in the porous lid 17, adjoin planting栽土16 The maximum opening width b of each of the through holes 17a and 17b may be set according to the particle size (particle size) of the planting material such as coarse aggregate , and the specific shapes of the through holes 17a and 17b are also appropriately determined. However, stainless steel is preferable in terms of corrosion resistance. However, other materials such as other metals having a corrosion resistance and bending strength, and synthetic resins may be used as appropriate .
[0019]
In addition, regarding the formation method of the drain hole 3 of the planting block 1, each protrusion 10 may be formed in a shape that matches the shape of the drain hole 3, and the packing material 11 is also formed of the mesh body 4. What is necessary is just to have the softness | flexibility which can be elastically deformed along the mesh | network or the through-hole of the porous cover 17. FIG. Moreover, the formation method of this drain hole 3 does not limit the shape of the planting block 1 shape | molded by the mold 9 to the elliptical thing of planar view of the said embodiment, planar view circular, rectangular, polygonal Various shapes such as a flat plate shape, a curved shape, or a refracting plate shape may be used in addition to the bottomless frame shape and bottomed bowl shape of various shapes .
[0020]
【The invention's effect】
In the method for forming the drainage hole of the planting block of the present invention, the projections forming the drainage holes are provided opposite to each other in the mold, and between the packing materials provided at the tips of the projections. For embedding in the concrete which fills the formwork with the outer peripheral edge of the mesh or porous lid projecting outward from between the packing materials while sandwiching the mesh or porous lid. When forming the block, simultaneously with the formation of the drain hole, the mesh or porous lid can be stretched and integrated in the drain hole, and the packing material is elastically deformed into the mesh of the mesh body or the through hole of the porous lid. It is possible to prevent clogging of the mesh or the through-hole due to the concrete.
[Brief description of the drawings]
[1] shows an embodiment of a planting block according to the present invention, (a) is a plan view, the left half portion is half-cut front view of (b), the right halves half-cut cross-sectional view of (b), The left half of (c) is a side view of a half-cage, the right half of (c) is a cross-sectional view of a half-cage, and (d) is an enlarged view of part A of (c).
FIG. 2 is a sectional view showing an example of use of the planting block of FIG.
Figure 3 shows another embodiment of the planting block according to the present invention, (a) is a front view, (b) is a side view, B-B sectional view of (c) is (i).
4 shows an example of use of the planting block of FIG. 3, in which (a) is a partial plan view, and (b) is a cross-sectional view taken along the line CC of (b).
Figure 5 shows another embodiment of the planting block according to the present invention, (a) is a plan view, (b) is a front view, D-D cross-sectional view of (c) is (ii).
6 shows an example of a porous lid ( a state in which a drain hole of a planting block is covered with a porous lid ) , (A) is an enlarged plan view, and (B) is an FF cross-sectional view of (A). FIG.
FIG. 7 shows an embodiment of a method for forming a drain hole of a planting block according to the present invention, in which (A) is a cross-sectional view of a mold, and (B) is an enlarged view of a portion E in (A).
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Planting block 2 Block main body 3 Drain hole 3a Upper edge step part 4 Net body 5, 7 Convex part 6 Inclined surface
9 Formwork 10 projection 11 packing member 16 planted栽土17 perforated lid 17a substantially arrow-shaped hole 17b substantially raindrop-shaped hole 17c plate portion
B block width b Maximum opening width

Claims (1)

  When forming the planting block (1) having the water drain hole (3), the projecting part (10) forming the water drain hole (3) in the mold (9) is opposed to each other. The packing material is sandwiched between the packing material (11) provided at the tip of each projection (10) with a net (4) or a porous lid (17) to prevent the planting material from flowing out, and the packing material. (11) A planting block characterized by burying the outer peripheral edge of the mesh body (4) or the porous lid (17) projecting outward from between the concrete in the mold (9). Of forming water drainage holes.

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