JP2003199424A - Vegetation block for covering formation level - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vegetation block for covering a formation level, reliably preventing the outflow of vegetation materials due to rain to properly achieve the intended coverage and greening. <P>SOLUTION: The vegetation block for covering the formation level is obtained by vertically and laterally partitioning the inner part of a concrete square container 1 formed by putting up a surrounding wall 3 on the periphery of a bottom plate 2 with partition walls 4 made by casting concrete to form plural compartments 5 opened upward, fitting a vegetation mat 8 comprising a vegetation material 6 covered with a covering body 7 in each compartment 5, imparting swelling properties to the vegetation mat 8 so that the vegetation mat 8 and the inner surface of each compartment closely contact with each other and the mat bulges toward the open surface 9 of each compartment. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a lining work for a construction surface such as a slope of a river or a road, a construction surface of a flat ground or a flat roof, and an appropriate vegetation construction. For vegetation blocks.

[0002]

2. Description of the Related Art Japanese Utility Model Laid-Open No. 5-40445 discloses a concrete box-shaped body formed by raising a peripheral wall around a bottom plate so that the inside is vertically and horizontally divided by a partition wall which is integrally molded with the box-shaped body. A plurality of compartments to be opened are formed, and each of the compartments is fitted with a vegetation mat in which vegetation soil has light-weight aggregate and fertilizer as well as lawn seeds. Disclosed is a vegetation block for construction surface lining in which a drainage hole is provided and a mesh sheet is provided in the drainage hole.

[0003]

In the above-mentioned vegetation block for construction surface lining, the vegetation mat easily collapses due to a large amount of rainwater and its composition (soil or seed) flows out. There is a problem that it is difficult to achieve the intended purpose of greening.

If a thin mat that does not reach the open surface of the compartment is fitted to prevent the mat composition from flowing out, it is possible to prevent the outflow from the open surface to some extent, but the growth of lawns is obstructed by the partition wall. However, there is a problem that it is difficult to expect sufficient growth to cover (conceal) the partition of the container.

Further, the above-mentioned outflow is caused also from the water drainage hole, and it is difficult to sufficiently prevent this outflow with the mesh sheet provided in the water drainage hole.

Further, when the sunshine continues, since the bottom plate of the box-shaped body is thick, it becomes difficult to absorb water from the ground, causing the vegetation of lawns and the like to die and reducing the purpose of greening.

[0007]

SUMMARY OF THE INVENTION The present invention provides a vegetation block for construction surface lining that appropriately solves the above problems.

In this vegetation block for construction surface lining, a vegetation mat in which vegetation material is encapsulated is fitted in each of the compartments. Further, the vegetation mat is given a swelling property so that the vegetation mat is brought into close contact with the inner surface of the compartment by the swelling and raised toward the open surface of each compartment.

The vegetation material (soil or soil and seeds) in the vegetation mat is protected by an encapsulant, and it is swellable when it contains water, which is so-called swelling property, so that the vegetation material adheres to the inner surface of the compartment. Due to the synergistic effect, the outflow of the vegetation material due to rainwater is accurately prevented. Rather, rainwater enhances the retention effect in the compartment. Therefore, the purpose of greening is properly achieved.

Further, the vegetation mat is swollen toward the open surface of the compartment by swelling, preferably rising beyond the open surface, so as to cover (cover up) the partition wall of the box-shaped body such as lawn or the like, to achieve sufficient growth. Urge.

As the outflow preventing means, a net covering the open surfaces of the compartments is stretched on the upper surface of the box-shaped body to improve the outflow preventing effect. In addition, it promotes the growth of lawns through the mesh of this net and forms a beautiful green surface.

Further, as means for absorbing water when the sunshine continues, water drain holes are provided in the bottom plates of the compartments of the box-shaped body, and the drain holes are tightly sealed with a water absorbing plug having a water absorbing property, and the water absorbing plug is inserted through the water absorbing plug. It is configured to allow water to infiltrate from the ground into the compartment.

As a means for accelerating swelling due to rainwater or water sprinkling, starch or / and cellulose is mixed in the vegetation mat to promote rapid swelling and to ensure close contact with the compartment surface and swelling to the open surface. It was configured to encourage.

Porous mineral particles typified by zeolite are mixed in the vegetation mat to add weight and promote active breeding of microorganisms (bacteria) effective for growing lawns and the like.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. Reference numeral 1 denotes a concrete box-shaped device, and as shown in FIGS. 1 and 2, the box-shaped device 1 has a peripheral wall 3 raised in an annular shape around a bottom plate 2 and the inside of the peripheral wall 3, that is, the box-shaped device. The inside of 1 is partitioned vertically and / or horizontally by partition walls 4 to form a plurality of compartments 5 that are opened upward. The peripheral wall 3, the bottom plate 2 and the partition wall 4 have an integral concrete molding structure.

As shown in FIGS. 3 and 4, a vegetation mat 8 in which a vegetation material 6 is encapsulated in an enclosure 7 is fitted in each of the compartments 5. The vegetation mat 8 is given a swelling property so that the vegetation mat 8 is brought into close contact with the inner surface of the compartment 4 by the swelling, and a swelling structure is provided toward the open surface 9 of each compartment 4.

As shown in FIG. 10, the vegetation mat 8 is a vegetative soil that does not contain seeds (vegetation material 6) or a vegetation soil that contains seeds (vegetation material 6) as an enclosure 7 having air permeability. Encapsulated. For example, the vegetation soil (vegetation material 6) is encapsulated by an envelope 7 made of a non-woven fabric of plant fibers or an envelope 7 made of paper. A large number of through holes 10 are provided in the envelope 7 of the vegetation mat 8.

The vegetation mat 8 is a compression mat which is compressed by a press to reduce its thickness, and when compressed, it is restored when it contains water and so-called swells. A swelling material is mixed as a means for promoting swelling due to this rainwater or water spray. As a preferable example, starch or / and cellulose (high molecular polysaccharide) is mixed in the vegetation mat 8.

For example, the envelop 7 is formed of a entangled body of palm fiber or pulp fiber, and the entangled body is mixed in the vegetation material 6 encapsulated by the encased body 7. Compress the whole. As a result, the vegetation mat 8 is restored (swelled) when it contains water, and swelling property is imparted.

The above-mentioned starch absorbs moisture quickly and swells rapidly, and is suitable, and starch and plant fibers such as coconut fiber and pulp fiber are biodegradable and do not cause pollution.

As shown in FIG. 8, the above-mentioned compression and swelling material imparts rapid swelling property, and promotes quick adhesion to the inner surface of the compartment 5 and swelling to the open surface 9. The envelope 7
Will eventually collapse and decompose.

To restate, that the vegetation material 6 (soil or soil and seeds) in the vegetation mat 8 is protected by the enclosure 7.
The synergistic effect with the structure of imparting a so-called swelling property, which expands when it contains water, so that the vegetation material 6 is brought into close contact with the inner surface of the compartment 5, appropriately prevents the vegetation material 6 from flowing out due to rainwater and appropriately achieves the greening purpose.

As described above, as shown in FIG. 8, the vegetation mat 8 swells when it contains water, and the swelling causes the compartment 5 to swell.
The bulge toward the open surface 9, preferably the bulge beyond the open surface 9, to promote sufficient growth to cover (conceal) the partition wall 4 of the box-shaped body 1 such as lawn.

Porous mineral particles 21 typified by zeolite or vermiculite are mixed in the vegetation mat 8. The porous mineral particles 21 add weight to the vegetation mat 8 and promote active reproduction of microorganisms (bacteria) effective for growing lawns and the like. Zeolites are effective in terms of availability and economy.

As shown in FIGS. 5, 6 and 7, as a means for preventing the vegetation material 6 from flowing out, a net 11 covering the open surfaces 9 of the compartments 5 is stretched on the upper surface of the box-shaped body 1. However, the outflow prevention effect is improved.

The net 11 secures the sunshine through the mesh, promotes the growth of the lawn and the like through the mesh, and forms a beautiful green surface.

A net 11 made of synthetic resin or metal covers the upper surface of the box-shaped body 1, the peripheral edge of the net 11 is further wound around the outer peripheral surface of the peripheral wall 3, and an annular band is formed on the outer peripheral surface of the peripheral wall 3. The hanging groove 12 is formed, and the band 13 is fastened in the band hanging groove 12.

Further, as shown in FIG. 5, a recess 14 is formed in the upper surface of the partition wall 4, for example, in the upper surface of the intersection where the vertical partition wall 4 and the horizontal partition wall 4 intersect, that is, in the center of the box-shaped body 1. A female screw hole 15 is provided on the bottom surface of the place 14, and an appropriate place of the net 11, for example, a central portion is pressed by a pressing plate 16 fitted in the recess 14, while a through hole provided in the central portion of the pressing plate 16 is pressed. The bolt 17 is screwed into the female screw hole 15 through the above, and the net 11 is fastened between the pressing plate 16 and the bottom surface of the recess 14.

Further, as shown in FIGS. 4A and 7, as the water absorbing means when the sunshine continues, water draining holes 18 are provided in the bottom plates of the respective compartments of the box-shaped body, and the water draining holes 18 are used for absorbing water. The water absorbing plug 19 has a watertight stopper, and water is infiltrated into the compartment 5 from the ground through the water absorbing plug 19.

Further, as shown in FIG. 4B, locking walls 24 projecting into the compartments 5 are annularly provided on the upper ends of the peripheral wall 3 and the partition wall 4, that is, the open surface 9 of each compartment 5 is annularly locked. A wall 24 is provided, and the locking wall 24 is engaged with the edge portion of the upper surface of the vegetation mat 8 to prevent the mat 8 from falling off during storage or transportation. Alternatively, the mat 8 is temporarily attached to the bottom surface of the compartment 5 via an adhesive such as mortar. The locking wall 24 also exerts an effect of preventing the vegetation material 6 from flowing out due to rainwater.

As shown in FIG. 11A, the water absorbing plug 19 has a structure in which a seed-free vegetation material 6 (vegetation soil) is encapsulated by an encapsulating body 20 made of plant fiber entangled bodies. Alternatively, as the water absorption plug 19, as shown in FIG. 11B, a compression-molded entangled body of plant fibers is used.

Each of the water absorbing plugs 19 has a water absorbing action by a capillary phenomenon, absorbs water from the ground and draws it into each compartment 5, and supplies the vegetation mat 8 in the compartment 5 with water. Further, the water absorbing plug 19 effectively prevents the vegetation material 6 (vegetation soil or seeds) from flowing out from the water draining hole 18. At the same time this water tap 1
9 promotes rooting of grown plants and rooting on the ground.

Rings 22 are embedded in concrete on the outer surfaces of the four corners of the rectangular box-shaped body 1 and the rectangular box-shaped body 1 is mounted on the slopes of rivers and roads, and on construction surfaces such as flat ground and flat roofs. The linings are installed side by side vertically and horizontally, and four adjacent box-shaped bodies 1 are connected to the rings 22 through the connecting tools 23 at each corner. Therefore, a large number of vegetation blocks for lining the construction surface are laid on the entire construction surface and lining is performed to promote sound greening.

[Brief description of drawings]

FIG. 1 is a plan view showing a state in which a vegetation mat is not fitted to a box-shaped device forming a vegetation block for a construction surface lining.

FIG. 2 is a sectional view of the same.

FIG. 3 is a plan view showing a state in which a vegetation mat is fitted on a box-shaped device forming a vegetation block for a construction surface lining.

FIG. 4A is the same cross-sectional view, and B is the same cross-sectional view showing a case where a locking wall for preventing the mat from coming off is provided.

FIG. 5 is a plan view of the box-shaped body for forming the vegetation block for lining the construction surface, in which the net is covered.

FIG. 6 is a plan view showing a state in which a net is provided on a box-shaped device forming the vegetation block for lining the construction surface.

7 is a cross-sectional view taken along the line AA in FIG.

FIG. 8 is a cross-sectional view illustrating a swelling state of the vegetation mat in the compartment of the container.

FIG. 9 is a perspective view showing a connection structure of vegetation blocks for a construction surface lining.

FIG. 10 is a sectional view of the vegetation mat.

FIG. 11A is a cross-sectional view showing an example of a water absorption plug having a water drain hole provided on the bottom plate of the compartment, and B is a cross-sectional view showing another example thereof.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Masu-shaped device, 2 ... Bottom plate, 3 ... Peripheral wall, 4 ... Partition, 5 ... Compartment, 6 ... Vegetation material, 7 ... Envelope, 8 ... Vegetation mat, 9 ... Open surface, 10 ... Through hole, 11 ... Net, 12 ... Band hanging groove, 13 ... Band, 14 ... Recess, 15 ... Female screw hole, 16
... Pressing plate, 17 ... Bolt, 18 ... Water drainage hole, 19 ... Water absorption plug, 20 ... Encapsulation body, 21 ... Porous mineral particles, 22 ...
Ring, 23 ... Connecting tool, 24 ... Locking wall

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) E02D 17/20 102 E02D 17/20 102B 103 103H F term (reference) 2B022 AB02 BA03 BA11 BA12 BA13 BB01 BB05 CA04 DA19 2B027 NC05 NC14 NC15 NC17 NC26 NC37 NC38 NC41 NC42 ND01 NE10 QA04 QB01 QB05 QB24 QB28 QC22 QC29 QC42 RB06 UB26 2D018 DA06 EA01 2D044 DA13 DB52

Claims (6)

[Claims] 1. A plurality of partitions for vertically and / or horizontally partitioning the interior of a concrete box-shaped device formed by raising a peripheral wall around the bottom plate and integrally with the box-shaped device to open upward. A chamber is formed, and each of the compartments is fitted with a vegetation mat in which a vegetation material is encapsulated by an encapsulant. The vegetation mat has a swelling property, and the swelling causes the vegetation mat to adhere to the inner surface of the compartment. A vegetation block for construction surface lining, characterized by having a structure that is raised and raised toward the open surface of each compartment. 2. The vegetation block for a construction surface lining according to claim 1, wherein the vegetation mat rises above the open surface of the compartment due to swelling. 3. A plurality of partitions for vertically and / or horizontally partitioning the inside of a concrete container-shaped body formed by raising a peripheral wall around the bottom plate and integrally with the container-shaped container to open upward. A chamber is formed, and each of the compartments is fitted with a vegetation mat in which a vegetation material is encapsulated, and a net covering the open surface of each of the compartments is stretched on the upper surface of the box-shaped body. A vegetation block for construction surface lining. 4. A water draining hole is provided in the bottom plate of each compartment of the box-shaped body, and the water draining hole is tightly closed by a water absorbing plug having water absorbability, and water is drained from the ground to the compartment through the water absorbing plug. The vegetation block for the construction surface lining according to claim 1 or 3, wherein the vegetation block has a structure that allows it to infiltrate. 5. A starch or / and cellulose is mixed as a swelling material in the vegetation mat.
Alternatively, the vegetation block for construction surface lining according to claim 3. 6. The vegetation block for construction surface lining according to claim 1, wherein porous mineral particles such as zeolite are mixed in the vegetation mat.