WO2022003988A1

WO2022003988A1 - Unit block member for rain water storage and infiltration facility, frame block unit for rain water storage and infiltration facility, and rain water storage and infiltration facility

Info

Publication number: WO2022003988A1
Application number: PCT/JP2020/028013
Authority: WO
Inventors: 和久結城
Original assignee: 天昇電気工業株式会社
Priority date: 2020-06-30
Filing date: 2020-07-20
Publication date: 2022-01-06
Also published as: JP2022012077A

Abstract

[Problem] To provide a rain water storage and infiltration facility that provides easy assembly of the constructs, a higher strength of the construction unit members of the constructs, and the entire structure that is hard to deform by dispersing various forces applied on the constructs. [Solution] This rain water storage and infiltration facility includes: lower frame block units 40 arranged in the x and y directions with a distance d interposed therebetween, the distance being corresponding to the width dimension of an arm section 13 of a cross flat section 12 of a unit block member 10; and a plurality of upper frame block units disposed on the upper side of the lower frame block units 40 in the positions offset in the diagonal direction, the upper frame block units being arranged in the x and y directions over rectangular recesses 15 at the four corners adjacent in the diagonal directions of the four lower frame block units, wherein the rectangular recesses 15 of the lower and upper frame block units are bonded to each other.

Description

Unit block member of rainwater storage and infiltration facility, frame-shaped block unit of rainwater storage and infiltration facility, and rainwater storage and infiltration facility

The present invention relates to a unit block member of a rainwater storage and infiltration facility, a frame-shaped block unit of a rainwater storage and infiltration facility, and a rainwater storage and infiltration facility. In particular, the present invention is a unit block member of a stormwater storage and infiltration facility and a frame of a stormwater storage and infiltration facility, which can be constructed so as to form various overall shapes such as a rectangle, an L shape, or a staircase shape with a minimum number of parts, and which is easy to assemble. Related to the block unit and the rainwater storage and infiltration facility.

Generally, a rainwater storage and infiltration facility is installed in the basement of public facilities such as roads, parks, and parking lots, and is composed of a large number of unit members made of plastic material assembled in the horizontal and vertical directions. Conventionally, the structure of the storage and infiltration facility is covered with a water-permeable and water-impervious sheet to store rainwater in the voids inside the rainwater storage and infiltration facility, and various structures are used as structural members to support the vertical load. Things are being developed. In such a rainwater storage and infiltration facility, a facility having a large void ratio in the rainwater storage space is preferable because the capacity of the stored rainwater is large. In addition, if the period of use is long, earth and sand will accumulate inside the rainwater storage and infiltration facility, so it must be easy to inspect the inside of the rainwater storage and infiltration facility, and it must be easy to remove the accumulated earth and sand.

As such a rainwater storage and infiltration facility, it is known that the unit members that are the constituents of the facility are conventionally arranged in close contact with each other in the horizontal direction and the vertical direction, and the unit members are connected by a joint member. (For example, Patent Documents 1 and 2). Further, as in Patent Document 3, the unit members are arranged at regular intervals from each other, the corners of the four adjacent unit members are connected by a joint member, and the ceiling portion of the four unit members is further connected. By covering the ceiling with a top plate member, the weight per unit volume is reduced, and an inspection port penetrating in the vertical direction is formed to facilitate the inspection work of the rainwater storage and infiltration facility. In addition, a method has already been disclosed in which the void ratio of the rainwater storage space is improved and a large number of inspection ports penetrating in the vertical direction are formed to facilitate the inspection work of the rainwater storage and infiltration facility (Patent Document 4). ..

Japanese Unexamined Patent Publication No. 10-252108 Japanese Patent Application Laid-Open No. 2002-309658 Japanese Unexamined Patent Publication No. 2010-48010 Japanese Unexamined Patent Publication No. 2019-73855

In the rainwater storage and infiltration facilities of Patent Documents 1 and 2, the constituent unit members are densely arranged, and since these are connected by a joint member, the weight per unit volume increases and the void ratio of the rainwater storage space increases. It has decreased, and there are problems in terms of costs such as material costs. Further, also in Patent Document 3, since a joint member is required to connect adjacent unit members, the number of parts increases and it is difficult to add a unit member on the top plate member, so that the rainwater storage space It was difficult to increase the volume of. Although the rainwater storage and infiltration facility of Patent Document 4 is effective in that the number of members for constructing the structure is small, the void ratio of the rainwater storage space is improved, and the inspection work of the facility is facilitated, the structure is effective. There is a problem that it takes a lot of time and effort to connect the constituent members, such as assembling the components, particularly aligning the constituents when stacking the constituents in two or more stages.

The present invention solves the above-mentioned problem of the rainwater storage and infiltration facility, the assembly of each structure is easy, the strength of each component member of the structure is improved, and various forces acting on the structure are dispersed to form a structure. It is an object of the present invention to provide a rainwater storage and infiltration facility having a structure in which the entire body is not easily deformed, and a unit block member and a frame-shaped block unit constituting the structure of the rainwater storage and infiltration facility.

Further, the present invention can freely combine a small number of components so that the overall planar shape of the facility can be rectangular, L-shaped, stair-shaped, etc. with the minimum component configuration according to the situation of the facility to be installed. The purpose is to provide a rainwater storage and infiltration facility that can be realized.

According to one embodiment of the present invention, a rectangular plate having a cross-shaped flat surface formed on one side thereof and a rectangular plate having a cross-shaped flat surface portion adjacent to an arm portion of the cross-shaped flat surface portion at four corners of the square plate. It has a rectangular recess that is formed and has a through hole in the bottom surface, and a hollow tubular leg that is aligned with the through hole in the rectangular recess and extends from the other side of the square plate, thereby a four-legged block. The rectangular recess has a concave partition wall that defines the recess with respect to the cross plane portion of the rectangular plate, and the bottom surface of the rectangular recess is on the outer side of the corner portion of the rectangular plate. It is understood that an inclined surface is formed at each of the connecting portion between the bottom surface of the rectangular recess and the outer portion of the square plate and the connecting portion between the bottom surface of the rectangular recess and the recessed partition wall. A unit block member of a characteristic rainwater storage and infiltration facility is provided.

According to another embodiment of the present invention, a rectangular flat surface portion and a rectangular low surface portion adjacent to the rectangular flat surface portion are formed on one side thereof, and a through hole is formed in each rectangular low surface portion. A hollow tubular leg portion that matches the through hole of each rectangular low surface portion is formed on the other side surface, thereby forming a two-legged block configuration, and the rectangular flat surface portion is formed on one side portion of each rectangular low surface portion. A side partition wall is formed by being connected to one side of the rectangular low surface portion, and the connecting portion between the partition wall defining the rectangular low surface portion and the bottom surface of the rectangular low surface portion, and the bottom surface and the member side portion of the rectangular low surface portion. A unit block member of a rainwater storage and infiltration facility, characterized in that an inclined surface is formed at each of the connecting portions of the rainwater storage and infiltration facility, is provided.

Further, according to another embodiment of the present invention, a rectangular plate having a through hole in the center, a partition wall formed on two adjacent side edges of one side of the rectangular plate, and the through hole are aligned with each other. It has one hollow cylindrical leg formed on the other side of the rectangular plate, thereby forming a one-leg block configuration, and the connecting portion between the one side of the rectangular plate and the partition wall. Further, a unit block member of a rainwater storage and infiltration facility is provided, characterized in that an inclined surface is formed at a connecting portion between one side of the rectangular plate and a side portion of the rectangular plate.

Further, according to the present invention, it is composed of a pair of the unit block members, and the hollow tubular legs of the pair of the unit block members face each other in the axial direction thereof, and the tips of the legs are connected to each other in a fitted state. A frame-shaped block unit of a stormwater storage and infiltration facility characterized by being provided is provided.

Further, according to the present invention, a plurality of the frame-shaped block units composed of the pair of unit block members having the four-legged block form configuration are installed side by side in the X and Y directions with a predetermined interval from each other. A stormwater storage and infiltration facility characterized by this is provided.

Further, according to another embodiment of the present invention, the unit block members are arranged in the X and Y directions with an interval corresponding to the width dimension of the arm portion of the cross-shaped plane portion of the unit block member according to the four-leg block configuration. It straddles the rectangular recesses at the four corners diagonally adjacent to each of the four lower frame-shaped block units at positions offset in the diagonal direction on the upper side of the lower frame-shaped block unit. A plurality of the upper frame-shaped block units are arranged side by side in the X and Y directions, and the rectangular recesses of the lower and upper frame-shaped block units are joined to each other. Facilities are provided.

Further, according to another embodiment of the present invention, the unit block members are arranged in the X and Y directions with an interval corresponding to the width dimension of the arm portion of the cross-shaped plane portion of the unit block member according to the four-legged block configuration. The lower and upper frame-shaped block units are stacked one above the other, and the upper frame-shaped block units are stacked in a diagonally offset position with respect to the lower frame-shaped block unit. A rainwater storage and infiltration facility characterized by being provided is provided.

Further, according to another embodiment of the present invention, a plurality of the frame-shaped block units composed of the pair of unit block members having the four-bundle branch block configuration are arranged in the X and Y directions with a predetermined interval from each other. Provided is a stormwater storage and infiltration facility that is installed and is provided with a side frame-shaped block unit composed of a pair of the unit block members having the two bundle branch block configuration on the outer side of the entire structure. ..

Further, according to another embodiment of the present invention, a plurality of the frame-shaped block units composed of the pair of unit block members having the four-bundle branch block configuration are arranged in the X and Y directions with a predetermined interval from each other. Provided is a stormwater storage and infiltration facility that is installed and is provided with a square frame-shaped block unit composed of a pair of the unit block members having the one bundle branch block configuration at the corners of the entire structure. ..

Further, according to another embodiment of the present invention, a plurality of the frame-shaped block units composed of the pair of the unit block members having the four-bundle branch block configuration are arranged in an L shape as a whole with a predetermined distance from each other. A rainwater storage and infiltration facility characterized in that the side frame-shaped block unit having the two-legged block configuration or the frame-shaped block unit having the one-legged block configuration is provided on the side of the entire structure. Is provided.

Further, according to another embodiment of the present invention, the frame-shaped block units composed of the pair of unit block members having the four-bundle branch block configuration are arranged in the X and Y directions with predetermined intervals from each other, and the configuration thereof. The frame-shaped block unit in one corner of the entire body and its vicinity is removed, and the side frame-shaped block unit to the one-legged block unit having the two-legged block configuration is located on the side of the entire structure. The frame-shaped block unit having a block form configuration is provided, and a rainwater storage and infiltration facility characterized in that the entire structure is in a stepped block unit arrangement form is provided.

Further, there is provided a rainwater storage and infiltration facility characterized in that the surface of the frame-shaped block unit installed at the uppermost stage is shielded by a shield capable of flooding.

In the rainwater storage and infiltration facility according to the present invention, when the constituents are stacked one above the other to form a multi-stage structure, it is easy to assemble each constituent, and the strength of each constituent unit member of the constituent is improved, which acts on the constituent. It is possible to realize a structure in which the entire structure is less likely to be deformed by dispersing various forces. Further, according to the present invention, a rainwater storage and infiltration facility can be realized by freely combining a small number of components such as a rectangular, L-shaped, and staircase-shaped overall plan shape of the facility with a minimum component configuration, and the surrounding conditions of installation. The installation shape can be arbitrarily selected each time according to the location, installation area, etc.

It is a perspective view seen from the rectangular concave part side of the unit block member of the 4-leg form which concerns on embodiment of this invention. It is a perspective view seen from the leg tip side of the unit block member of the 4-leg form which concerns on embodiment of this invention. It is a perspective view seen from the rectangular concave part side of the unit block member of the two-leg form which concerns on embodiment of this invention. It is a perspective view seen from the leg tip side of the unit block member of the two-leg form which concerns on embodiment of this invention. It is a perspective view seen from the rectangular plate through hole side of the unit block member of the monopod form which concerns on embodiment of this invention. It is a perspective view from the leg tip side of the unit block member of the one leg form which concerns on embodiment of this invention, and FIG. A perspective view of the block member, FIG. 3B is a perspective view of the one-leg unit block member in which a convex fitting portion is formed at the tip of the leg portion. It is a perspective view seen from the rectangular concave part side of the unit block member of the 4-leg form which concerns on other embodiment of this invention. It is a perspective view seen from the leg tip side of the unit block member of the 4-leg form which concerns on other embodiment of this invention. It is a perspective view seen from the rectangular concave part side of the unit block member of the two-leg form which concerns on other embodiment of this invention. It is a perspective view seen from the leg tip side of the unit block member of the two-leg form which concerns on another embodiment of this invention. It is a perspective view seen from the rectangular plate through hole side of the unit block member of the monopod form which concerns on other embodiment of this invention. It is a perspective view seen from the leg tip side of the unit block member of the one leg form which concerns on another embodiment of this invention, and FIG. A perspective view of the leg unit block member, FIG. 3B is a perspective view of the leg unit block member in a form in which a convex fitting portion is formed at the tip of the leg portion. FIG. 3 is a perspective view of a frame-shaped block unit in the form of a four-column column according to an embodiment of the present invention using the unit block member shown in FIG. 1. It is a perspective view of the frame-shaped block unit in the form of two pedestals which concerns on embodiment of this invention. It is a perspective view of the frame-shaped block unit of the monopod form which concerns on embodiment of this invention. It is a perspective view of the rainwater storage and infiltration facility of the Example which made the structure of the one-stage form by arranging a plurality of frame-shaped block units in the X and Y directions. It is a perspective view of the base unit structure arranged on the foundation floor under the structure of the one-stage form shown in FIG. It is a perspective view of the rainwater storage infiltration facility which concerns on the Example of this invention which made it into the block unit structure of the two-column form. FIG. 16 is a perspective view showing a lid member covering the uppermost surface of the one-stage block unit configuration of FIG. 16. It is a perspective view of the rainwater storage and infiltration facility which concerns on the Example of this invention constructed by the block unit structure of the three-column form. It is a schematic plan view which showed the arrangement relation of the lower unit and the upper unit of a block unit structure stacked in a plurality of stages. It is a figure for demonstrating the slanting surface action of the rectangular concave part in the case of installing the upper frame-shaped block unit in the lower frame-shaped block unit. It is a perspective view of the rainwater storage and infiltration facility in which the structure by the frame-shaped block unit is configured in the L-shaped arrangement form. It is a perspective view of the rainwater storage and infiltration facility which made the structure by a frame-shaped block unit into a step-like block unit arrangement form.

10, 101 4-legged unit block member 11 Square plate 12 Cross-shaped flat surface 13 Arm 14 Through hole 15 Rectangular recess 16 Hollow

tubular leg

19, 20 29 30 Inclined surface 21 211 2-legged unit block member 22 Rectangular flat surface 23 Low surface 31 311 1-legged unit block member 40 4 pedestal-shaped frame-shaped block unit 41 2 pedestal-shaped frame-shaped block unit 42 1 pedestal-shaped block unit

Next, the present invention will be described with reference to the drawings for various examples.
The rainwater storage and infiltration facility according to the present invention is composed of an array structure of a plurality of frame-shaped block units, and the frame-shaped block unit is composed of a pair of unit block members. First, an embodiment of the unit block member will be described. The unit block member 10 shown in FIGS. 1 and 2 is configured as a bundle branch block. Note that FIG. 2 shows the back surface side of the unit block member in the state of FIG. Referring to FIG. 1, a rectangular plate 11 having a cross-shaped flat surface portion 12 formed on one surface thereof and a rectangular plate adjacent to each of the four overhanging arm portions 13 of the cross-shaped flat surface portion 12 of the square plate 11 are adjacent to each other. A rectangular recess 15 formed at the four corners of one side of 11 and having a through hole 14 in the center of the bottom surface thereof, and the other side of the square plate 11 in line with the through hole 14 of the rectangular recess 15 (when viewed in the illustrated state). It has four hollow tubular legs 16 extending from the back surface of the rectangular plate).

The rectangular recess 15 has two recessed partition walls 18 that define the recess 15 with respect to the cruciform flat surface portion 12 of the rectangular plate 11, and the bottom surface of the rectangular recess 15 is an outer portion of a corner portion of the rectangular plate 11. It is connected to 11a. The concave partition wall 18 simultaneously defines each arm portion 13 of the cruciform plane portion 12. Then, a connecting portion (connecting ridge portion) between the bottom surface of the rectangular recess 15 and the outer portion 11a of the square plate 11 and a connecting portion (rectangular connecting to the partition wall 18) between the bottom surface of the rectangular recess 15 and the recessed partition wall 18

Inclined surfaces

19 and 20 are formed on the inner edge of the bottom surface, respectively. The cruciform plane portion 12 is provided with a plurality of water passage holes, but the illustration is omitted for the sake of clarity. As shown in FIG. 2, the hollow leg portion 16 has a bottomed structure having a plurality of water passage holes (not shown). Of the four legs 16 extending from the back surface of the square plate, convex fitting portions 71 are formed at the tips of the two legs in the diagonal direction, and concave at the tips of the other two legs. The fitting portion 72 of the above is formed. The uneven

fitting portions

72 and 71 will be described later in relation to the frame-shaped block unit. Each arm portion 13 of the cruciform plane portion 12 has the same width dimension d, which will be further described later with respect to the arrangement and stacking of the frame-shaped block units.

The bottoms of the square plate 11 and the legs 16 are formed with a plurality of circular, square, or other water passage holes (not shown) that allow rainwater to escape to the back surface. Referring to FIG. 1, two engaging holes 76 and two engaging protrusions 77 are formed on the bottom surface of each rectangular recess 15. In this embodiment, as shown in the figure, the engaging hole 76 is provided on the bottom surface of the recess adjacent to the concave partition wall 18 of the rectangular recess 15, and the engaging protrusion 77 is provided adjacent to the outer portion 11a of the rectangular plate 11. There is. In the multi-stage rainwater storage and infiltration facility, the engaging hole 76 of the lower unit block member 10 engages with the engaging protrusion 77 of the upper unit block member 10, and the lower engaging protrusion 77 is for upper engagement. Engage with hole 76. The specific form will be further described later in relation to FIGS. 18, 20 and 21.

The unit block member 21 of the embodiment shown in FIGS. 3 and 4 is configured as a bundle branch block form, and is referred to as a side unit block member here from the viewpoint of the place of use. Note that FIG. 4 shows the back surface side of the unit block member 21 in the state of FIG. Referring to FIG. 3, a rectangular flat surface portion 22 is formed in the center of one side of a rectangular plate, and a rectangular low surface portion 23 having a height lower than that of the rectangular flat surface portion 22 is formed on both sides of the rectangular flat surface portion 22 adjacent to the flat surface portion 22. Is formed. Further, a through hole 24 is formed in each rectangular low surface portion 23, and a pair of hollow tubular leg portions 25 matching the through hole 24 of each rectangular low surface portion 23 are further formed on the other side (the back surface of the rectangular plate). It is formed. Also in this unit block member 21 of the two-legged block form, the connecting portion between the partition wall 26 defining the rectangular low surface portion 23 and the bottom surface 27 of the rectangular low surface portion 23, and the bottom surface 27 and the member side portion 28 of the rectangular low surface portion 23.

Inclined surfaces

29 and 30, respectively, are formed at the connecting portion with (the side portion of the rectangular plate). The rectangular flat surface portion 22 is provided with a plurality of water passage holes, but the illustration is omitted for the sake of clarity. Even in the unit block member 21 in the form of a two-legged block, the rectangular flat surface portion 22 has the same width dimension d as the unit block member of the four-legged type shown in FIG.

A water passage hole (not shown) for allowing rainwater to escape is formed at the bottom of the rectangular flat surface portion 22, the rectangular low surface portion 23, and the leg portion 25 so as to pass through to the back surface. Then, of the two leg portions 25 extending to the back surface of the rectangular plate, a convex fitting portion 83 is formed at the tip of one leg portion 25, and a concave fitting portion is formed at the tip of the other leg portion. 84 is formed. The uneven

fitting portions

84 and 83 will be described later in relation to the two-legged frame-shaped block unit. Referring to FIG. 3, two engaging holes 80 and two engaging protrusions 81 are formed on the bottom surface 27 of each rectangular low surface portion 23, respectively. In this embodiment, as shown in the figure, the engaging hole 80 is provided on the bottom surface 27 adjacent to the partition wall 26 of the rectangular low surface portion 23, and the engaging protrusion 81 is provided adjacent to the member side portion 28 of the rectangular plate. ing. In the multi-stage rainwater storage and infiltration facility, the engagement hole 80 of the lower unit block member 21 is engaged with the engagement protrusion 81 of the upper unit block member 21 as in the 4-leg type unit block member 10 of FIG. The lower engaging protrusion 81 engages with the upper engaging hole 80.

The unit block member 31 (a) of the embodiment shown in FIG. 5 is an example having a one-leg block form with one leg. A rectangular plate 33 having a through hole 32 in the center, a partition wall 35 formed on two side edges of one side 34 of the rectangular plate 33, and a partition wall 35 formed on the other side of the rectangular plate 33 consistent with the through hole 32. It has only one hollow tubular leg 39. The monopod unit block member 31 is often referred to as a corner unit block member because it is often arranged mainly at the corners of the facility structure. Also in this monopod-shaped unit block member 31, the connecting portion between one side 34 of the rectangular plate 33 and the partition wall 35 and the connecting portion between one side 34 of the rectangular plate 33 and the rectangular plate side portion 36 are formed on the connecting portion.

Inclined surfaces

37 and 38 are formed, respectively. The unit block member 31 (b) is different from the block member (a) only in the configuration on the back surface side thereof, and the configuration on the front side is simply the same as the block member (a), so the description thereof will be omitted. FIG. 6A shows the leg structure of the first embodiment as viewed from the back surface side of the unit block member 31 (a) in the form of a monopod in the state of FIG. 5A. Further, FIG. 6B shows the leg structure of another embodiment as viewed from the back surface side of the unit block member 31 (b) in the state of FIG. In FIGS. 6A and 6B, only the tip structure of the leg portion 39 is different, and the others are the same. Further, in the monopod-shaped frame-shaped block unit described later, the two types shown in FIGS. 12 (a) and 12 (b) are combined into one set to form the frame-shaped block unit. Referring to FIG. 5, a plurality of passages extending to the back surface (FIG. 6) are provided on one side 34 and the

inclined surfaces

37, 38 of the rectangular plate 33 of the unit block member 31 (a) (b) in the form of a monopod. A water hole (not shown) is formed. Further, each of the one side 34 of the rectangular plate 33 is provided with two engaging holes 91 at positions adjacent to the partition wall 35 and two engaging protrusions 92 at positions adjacent to the rectangular plate side portion 36. ing. In a monopod-shaped frame-shaped block unit structure stacked in a plurality of stages, an engaging hole 91 and an engaging protrusion 92 of the unit block member of the lower frame-shaped block unit and a unit block of the upper frame-shaped block unit. The engaging protrusion 92 and the engaging hole 91 of the member are engaged with each other. The hollow leg portion 39 has a bottomed structure having a plurality of water passage holes (not shown). Then, a convex fitting portion 95 is formed at the tip of one leg portion 39 extending to the back surface of the rectangular plate 33 in the unit block member 311 (b) of the monopod form according to one embodiment (FIG. 6 (b)), a concave fitting portion 94 is formed at the tip of the leg portion 39 extending to the back surface of the rectangular plate 33 in the unit block member 31 (a) in the monopod form according to the other embodiment. (FIG. 6 (a)). The unit block member 31 having the legs of the concave fitting portion 94 and the unit block member 31 having the legs of the convex fitting portion 95 fit each other of the uneven

fitting portions

94 and 93. As a result, the frame-shaped block unit in the form of one pedestal shown in FIG. 15 is formed.

Next, with reference to FIGS. 7 to 12, as another embodiment of the present invention, a unit block member having a main body and a water passage hole formed by a grid-like rib form will be described.

The rainwater storage and infiltration facility according to the present invention is composed of an array structure of a plurality of frame-shaped block units, and the frame-shaped block unit is composed of a pair of unit block members. First, an embodiment of the unit block member will be described. The unit block member 101 shown in FIGS. 7 and 8 is configured as a bundle branch block. Note that FIG. 8 shows the back surface side of the unit block member of FIG. 7. Referring to FIG. 7, the rectangular plate 11 in which the cross-shaped water passage portion 12 is formed on one side of the entire surface and the four overhanging arm portions 13 of the cross-shaped water passage portion 12 of the square plate 11 are adjacent to each other. A rectangular recess 15 formed at the four corners of one side of the square plate 11 and having a through hole 14 in the center of the bottom surface thereof, and the other side of the square plate 11 (viewed in the illustrated state) in line with the through hole 14 of the rectangular recess 15. In some cases, it has four hollow tubular legs 16 extending from the back surface of the rectangular plate).

The rectangular recess 15 has two recessed compartment walls 18 each defining the recess 15 with respect to the cruciform water passage portion 12 of the rectangular plate 11, and the bottom surface of the rectangular recess 15 is outside the corner of the square plate 11. It is connected to the portion 11a. The recessed partition wall 18 simultaneously defines each arm portion 13 of the cross-shaped water passage portion 12. Then, a connecting portion (connecting ridge portion) between the bottom surface of the rectangular recess 15 and the outer portion 11a of the square plate 11 and a connecting portion (rectangular connecting to the partition wall 18) between the bottom surface of the rectangular recess 15 and the recessed partition wall 18

Inclined surfaces

19 and 20 are formed on the inner edge of the bottom surface, respectively. As shown in FIG. 2, the hollow leg portion 16 has a bottomed structure having a large number of water passage holes 70. Of the four legs 16 extending from the back surface of the square plate, convex fitting portions 71 are formed at the tips of the two legs in the diagonal direction, and concave at the tips of the other two legs. The fitting portion 72 of the above is formed. The uneven

fitting portions

72 and 71 will be described later in relation to the frame-shaped block unit. Each arm portion 13 of the cruciform water passage portion 12 has the same width dimension d, which will be further described later with respect to the arrangement and stacking of the frame-shaped block units.

A plurality of water passage holes 73 are formed in the cross-shaped water passage portion 12 of the square plate 11 so as to come out to the back surface. The water passage hole 73 is formed by a grid-like rib shape so as not to impair the strength while reducing the weight of the whole. Further, a plurality of small-diameter water passage holes 74 are also formed on the bottom surface of the rectangular recess 15. Referring to FIG. 7, two engaging holes 76 and two engaging protrusions 77 are formed on the bottom surface of each rectangular recess 15. In this embodiment, as shown in the figure, the engaging hole 76 is provided on the bottom surface of the recess adjacent to the concave partition wall 18 of the rectangular recess 15, and the engaging protrusion 77 is provided adjacent to the outer portion 11a of the rectangular plate 11. There is. In a multi-stage rainwater storage and infiltration facility in which a plurality of frame-shaped block units (described later) are stacked one above the other, the engaging hole 76 of the lower unit block member 101 engages with the engaging projection 77 of the upper unit block member 101. The lower engaging protrusion 77 engages with the upper engaging hole 76. The specific form in which the frame-shaped block units are stacked one above the other is described later in relation to FIGS. 18, 20, and 21.

The unit block member 211 of the embodiment shown in FIGS. 9 and 10 is configured as a bundle branch block form, and is referred to as a side unit block member here from the viewpoint of the place of use. Note that FIG. 10 shows the back surface side of the unit block member 211 of FIG. Referring to FIG. 9, a rectangular water passage portion 22 is formed in the center of one side of a rectangular plate, and a rectangle having a height lower than that of the rectangular water passage portion 22 is formed on both sides of the rectangular water passage portion 22 adjacent to the water passage portion 22. The low surface portion 23 is formed. Further, a through hole 24 is formed in each rectangular low surface portion 23, and a pair of hollow tubular leg portions 25 matching the through hole 24 of each rectangular low surface portion 23 are further formed on the other side (the back surface of the rectangular plate). It is formed. Also in this unit block member 21 of the two-legged block form, the connecting portion between the partition wall 26 defining the rectangular low surface portion 23 and the bottom surface 27 of the rectangular low surface portion 23, and the bottom surface 27 and the member side portion 28 of the rectangular low surface portion 23.

Inclined surfaces

29 and 30, respectively, are formed at the connecting portion with (the side portion of the rectangular plate). Even in the unit block member 21 in the form of a two-legged block, the rectangular water passage portion 22 has the same width dimension as the four-legged type unit block member shown in FIG.

As shown in FIG. 10, the hollow leg portion 25 has a bottomed structure having a large number of water passage holes 75. Then, of the two leg portions 25 extending to the back surface of the rectangular plate, a convex fitting portion 83 is formed at the tip of one leg portion 25, and a concave fitting portion is formed at the tip of the other leg portion. 84 is formed. The uneven

fitting portions

84 and 83 will be described later in relation to the two-legged frame-shaped block unit. Then, as shown in FIG. 9, a plurality of water passage holes 78 are formed in the rectangular water passage portion 22 of the rectangular plate so as to come out to the back surface. The water passage holes 78 are formed by the grid-like rib shape so as not to impair the strength while reducing the weight of the whole. Further, a plurality of small-diameter water passage holes 79 are also formed in the rectangular low surface portion 23. Referring to FIG. 9, two engaging holes 80 and two engaging protrusions 81 are formed on the bottom surface 27 of each rectangular low surface portion 23, respectively. In this embodiment, as shown in the figure, the engaging hole 80 is provided on the bottom surface 27 adjacent to the partition wall 26 of the rectangular low surface portion 23, and the engaging protrusion 81 is provided adjacent to the member side portion 28 of the rectangular plate. ing. In the multi-stage rainwater storage and infiltration facility, the engagement hole 80 of the lower unit block member 21 is the same as the engagement protrusion 81 of the upper unit block member 21 as in the 4-leg type unit block member 101 shown in FIG. Engage, the lower engagement protrusion 81 engages the upper engagement hole 80.

The unit block members 311 (a) and (b) of the embodiment shown in FIG. 11 are an example in which the bundle branch block has one leg. The unit block member 311 (a) is rectangular in alignment with the rectangular plate 33 having a through hole 32 in the center, the partition wall 35 formed on the two side edges of one side 34 of the rectangular plate 33, and the through hole 32. It has one hollow tubular leg 39 formed on the other side of the plate 33. The monopod unit block member 31 is often referred to as a corner unit block member because it is often arranged mainly at the corners of the facility structure. Also in this monopod-shaped unit block member 31, the connecting portion between one side 34 of the rectangular plate 33 and the partition wall 35, and the connecting portion between the one side 34 of the rectangular plate 33 and the rectangular plate side portion 36 , The inclined surfaces 37 and 38 are formed, respectively. Since the configuration of the unit block member 311 (b) on the front surface side is the same as that of the unit block member 311 (a), the description thereof will be omitted.

FIG. 12A shows the leg structure of the first embodiment as viewed from the back surface side of the unit block member 311 (a) in the form of a monopod in the state of FIG. Further, FIG. 12B shows the leg structure of another embodiment as viewed from the back surface side of the unit block member 311 (b) in the state of FIG. In FIGS. 12A and 12B, only the tip structure of the leg portion 39 is different, and the others are the same. Further, in the monopod-shaped frame-shaped block unit described later, the two types shown in FIGS. 12 (a) and 12 (b) are combined into one set to form the frame-shaped block unit. Referring to FIG. 11, one side 34 and the

inclined surfaces

37, 38 of the rectangular plate 33 of the unit block member 311 (a) (b) in the form of a monopod have a plurality of small diameters extending to the back surface (FIG. 12). A water passage hole 90 is formed. Further, each of the one side 34 of the rectangular plate 33 is provided with two engaging holes 91 at positions adjacent to the partition wall 35 and two engaging protrusions 92 at positions adjacent to the rectangular plate side portion 36. ing. In a monopod-shaped frame-shaped block unit structure stacked in a plurality of stages, an engaging hole 91 and an engaging protrusion 92 of the unit block member of the lower frame-shaped block unit and a unit block of the upper frame-shaped block unit. The engaging protrusion 92 and the engaging hole 91 of the member are engaged with each other. The hollow leg portion 39 has a bottomed structure having a large number of water passage holes 93. Then, a convex fitting portion 95 is formed at the tip of one leg portion 39 extending to the back surface of the rectangular plate 33 in the unit block member 311 (b) of the monopod form according to one embodiment (FIG. 12 (b)), a concave fitting portion 94 is formed at the tip of a leg portion 39 extending to the back surface of the rectangular plate 33 in the unit block member 311 (a) in the monopod form according to the other embodiment. (FIG. 12 (a)). The unit block member 31 having the legs of the concave fitting portion 94 and the unit block member 31 having the legs of the convex fitting portion 95 fit each other of the uneven

fitting portions

FIG. 13 is a perspective view showing the frame-shaped block unit 40 according to the embodiment of the present invention. The frame-shaped block unit 40 of the embodiment has a configuration in which the four-legged unit block members 10 shown in FIGS. 1 and 2 are connected vertically facing each other. A pair of unit block members 10 having the same shape are arranged so that their respective hollow tubular legs 16 face each other in the axial direction, and the uneven portions formed on the tip surfaces of both hollow tubular legs 16 are fitted. The frame-shaped block unit 40 according to the present invention is connected to form the frame-shaped block unit 40. That is, the back surfaces 11b of the square plates 11 of the pair of unit block members 10 face each other, and the space between them is connected by four pedestals to which the legs 16 are joined.

In addition to the frame-shaped block unit 40 in the form of four pedestals, in the embodiment of the present invention, the pair of unit block members (side unit block members) 21 in the form of two-legged blocks shown in FIGS. A frame-shaped block unit (side frame-shaped block unit) 41 in the form of two pedestals connected with the hollow tubular leg portions 24 facing each other can be obtained (FIG. 14). Further, as another embodiment, a pair of monopod-shaped unit block members (corner unit block members) 31 shown in FIGS. 5 and 6 (a) and 6 (b) is paired with hollow tubular legs. A frame-shaped block unit (square frame-shaped block unit) 42 in the form of a monopod column in which the portions 39 are connected facing each other can be obtained (FIG. 15).

In the rainwater storage and infiltration facility according to the embodiment of the present invention, a plurality of the frame-shaped block units composed of a pair of the unit block members having a four-legged block configuration are arranged in the X and Y directions with a predetermined interval from each other. It is installed in the ground, and the entire upper surface is shielded by a lid plate with a large number of through holes and a shield that can be flooded.

In FIG. 16, a plurality of frame-shaped block units 40 in the form of four pedestals are arranged in the X and Y directions at predetermined intervals and buried in soil covering, and two pedestals are placed on two sides of the entire structure. The side frame-shaped block unit 41 of the form is arranged, and the square frame-shaped block unit 42 of the monopod form is arranged at the corner of the structure. The example shown in the figure is an example in which a structure consisting of frame-shaped block units arranged in the X and Y directions is configured in one stage, but as will be described later, a configuration in which multiple stages are stacked vertically allows more rainwater to be stored. Space can be secured. When configured as a permeation type, a lid that can be flooded is spread on the upper surface of the structure, and then covered with a water-permeable sheet, and the bottom and sides of the structure are also covered with an appropriate water-permeable sheet to prevent the inflow of earth and sand. While preventing it, rainwater can permeate into the constituent body of the frame-shaped block unit. In the case of a rainwater storage type, the sides and bottom of the structure are covered with a protective sheet or a water-impervious sheet. FIG. 17 shows a base block structure 47 arranged on the foundation floor under the one-stage structure shown in FIG. The upper surface of these base block components 47 has the same shape as the

unit block members

10, 21, and 31 shown in FIGS. 1, 3, and 5, but there is no pedestal extending from the lower surface.

Next, as shown in FIGS. 18 and 20, a rainwater storage and infiltration facility having a structure in which multiple frames of frame-shaped block units arranged in the X and Y directions are stacked one above the other will be described. The example of FIG. 18 is a rainwater storage and infiltration facility 50 having a two-stage configuration, but it may have a three-stage configuration or a four- to five-stage configuration. FIG. 20 shows the rainwater storage and infiltration facility 58 in the case of a three-stage configuration. The uppermost frame-shaped

block units

52, 59 are provided with

lid members

55, 56, 57 as shown in FIG. In addition, a plurality of small water passage holes (not shown) are formed on the upper surface of such a lid member. In addition, a large number of through holes are formed in the cruciform plane portion of the frame-shaped block unit. As a specific example, the cruciform plane portion is formed of a grid-shaped through-hole member in consideration of strength.

FIG. 21 is a partial plan view schematically showing the arrangement relationship between the lower frame-shaped block unit 51 and the frame-shaped block unit 52 installed on the upper side thereof. For clarification, the lower (first stage) frame-shaped block unit 51 is shown by a solid line, and the upper (second stage) frame-shaped block unit 52 is shown by a virtual line. First, the lower side arranged in the X and Y directions having an interval d (FIG. 15) corresponding to the width dimension d of the arm portion of the cross-shaped flat portion of the unit block member having the four-leg block configuration. Upper side of the frame-shaped block unit 51 so as to straddle the rectangular recesses at the four corners adjacent to the upper side of the frame-shaped block unit 51 in the diagonal direction and at positions offset in the diagonal direction. A plurality of the frame-shaped block units 52 are arranged side by side in the X and Y directions, and the rectangular recesses of the lower and upper frame-shaped

block units

51 and 52 are joined to each other. The third-stage frame-shaped block unit (not shown in FIG. 21) arranged on the second-stage frame-shaped block unit shown by the virtual line is the solid line first-stage frame-shaped block unit 51. It is placed at the same position as the corresponding first stage. It goes without saying that the first-stage frame-shaped block unit 51 shown by the solid line and the second-stage frame-shaped block unit 52 shown by the virtual line have the same shape and the same dimensions. In addition, two pedestals are placed on the side of the structure so as to fill the gap between the sides and the corners of the structure due to the arrangement of the upper and lower frame-shaped block units in such a positional relationship shifted in the diagonal direction. A side frame-shaped block unit 53 having a structure and a square frame-shaped block unit 54 having a monopod structure are arranged (FIG. 18).

When constructing a two-stage or multi-stage rainwater storage and infiltration facility by assembling the frame-shaped block units up and down, it is necessary to tightly engage the rectangular recesses of the square plates of the upper and lower frame-shaped block units. However, it is a laborious and time-consuming task to engage the rectangular recesses with each other while visually aligning a large number of upper frame-shaped block units one by one with respect to the lower frame-shaped block unit. Become. In this respect, in the present invention, an inclined surface is formed at the connecting portion between the bottom surface of the rectangular recess and the outer portion of the square plate, and the inclined surface is recessed instead of directly connecting the bottom surface of the recess to the vertical recess partition wall. Since it is formed between the bottom surface and the vertical partition wall, the upper and lower rectangular recesses can be smoothly engaged with each other without performing strict alignment work of the upper frame-shaped block unit.

More specifically, with reference to FIG. 22, the upper frame-shaped block unit 61 is lowered from above with respect to the lower frame-shaped block unit 60 arranged at a fixed position, and the cross-shaped flat surface portion thereof. The arm portion 62 is inserted into the gap A portion of the two adjacent lower frame-shaped block units 60, and the work of engaging the lower rectangular recess 63 and the upper rectangular recess 64 is started. At this time, even if the upper frame-shaped block unit 61 has a slight positional deviation S with respect to the lower frame-shaped block unit 60, the corner portion 65 of the cross-shaped flat surface portion of the lower frame-shaped block unit 60 remains. The upper frame-shaped block unit 61 is in contact with the inclined surface 66 of the rectangular recess of the upper frame-shaped block unit 61, and the upper frame-shaped block unit 61 is moved in the direction of arrow F by the slope action, and is automatically aligned, and the upper and lower

rectangular recesses

64 , 63 are engaged. In this state, in addition to the contact between the outer part of the square plate and the vertical partition wall of the recess, the inclined surfaces are contacted with each other, the strength of the assembled structure is increased, and the force is dispersed to cause deformation of the entire structure. Partial damage is prevented.

In the above embodiment, the frame-shaped block units are arranged in the X and Y directions to form a wide rectangular rainwater storage and infiltration facility as a whole, but as shown in FIG. 23, the four-column type frame-shaped block unit 71, It is also possible to construct an L-shaped rainwater countermeasure facility 70 as a whole by appropriately combining the two-pillar type frame-shaped block unit 72 and the one-pillar type block unit 73.

The rainwater storage and infiltration facility shown in FIG. 24 is an example configured to have a stepped shape as a whole. One corner of the rectangular structure in which the frame-shaped block units 71 are arranged in the X and Y directions and some block units at positions in the vicinity thereof are removed, and a monopod type block unit 73 is appropriately arranged, and the entire side portion is provided. A shield plate 74 connected in a bellows shape can be installed in the building to construct a stepped rainwater storage and infiltration facility 75 as a whole. As described above, in the present invention, it is possible to appropriately combine a limited number of small types of unitized parts to obtain a rainwater countermeasure facility in a form suitable for the surrounding conditions such as the land shape and area of the facility and the installation environment. be.

According to the embodiment of the present invention in such an embodiment, the rainwater storage and infiltration facility can be assembled into a rectangular parallelepiped type, an L-shaped type, a staircase type, etc. by combining a minimum number of unit block members. can. Further, by providing an inclined surface at the combination position of the unit block members, each unit block member can be smoothly engaged.

Further, as shown in FIGS. 7 to 12, according to another embodiment of the present invention in which the unit block member has a grid-like rib shape, in addition to the effect of the first embodiment, the overall weight is reduced. It is formed so as not to impair the strength, and sufficient water passage holes can be secured to allow rainwater to escape.
Industrial applicability

In the rainwater storage and infiltration facility according to the present invention, when the constituents are stacked one above the other to form a multi-stage structure, it is easy to assemble each constituent, and the strength of each constituent unit member of the constituent is improved, which acts on the constituent. It is possible to realize a structure in which the entire structure is less likely to be deformed by dispersing various forces. Further, according to the present invention, a rainwater storage and infiltration facility can be realized by freely combining a small number of components such as a rectangular, L-shaped, and staircase-shaped facility as a whole with a minimum component configuration, and the surrounding conditions of installation. The installation shape can be arbitrarily selected each time according to the location, installation area, etc.

Claims

A rectangular plate having a cruciform plane portion formed on one side, and a square plate formed on one side of the four corners of the square plate adjacent to the arm portion of the cruciform plane portion of the square plate, and having through holes on the bottom surface. It has a rectangular recess and a hollow tubular leg that aligns with the through hole in the rectangular recess and extends from the other side of the square plate, thereby forming a four-legged block configuration.
The rectangular recess has a recess partition wall that defines the recess with respect to the cruciform flat surface portion of the rectangular plate, and the bottom surface of the rectangular recess is connected to the outer portion of the corner portion of the rectangular plate. Rainwater storage is characterized in that an inclined surface is formed at each of the connecting portion between the bottom surface of the rectangular recess and the outer portion of the square plate and the connecting portion between the bottom surface of the rectangular recess and the recessed partition wall. Unit block member for infiltration facility.
A rectangular flat surface portion and a rectangular low surface portion adjacent to the rectangular flat surface portion are formed on one side, a through hole is formed in each rectangular low surface portion, and the rectangular low surface portion of each rectangular low surface portion is formed on the other side. A hollow tubular leg that matches the through hole is formed, thereby forming a two-legged block configuration.
A side partition wall is formed on one side of each rectangular low surface portion and connected to one side portion of the rectangular flat surface portion.
An inclined surface is formed at each of the connecting portion between the partition wall defining the rectangular low surface portion and the bottom surface of the rectangular low surface portion, and the connecting portion between the bottom surface of the rectangular low surface portion and the member side portion. A unit block member of a characteristic rainwater storage and infiltration facility.
A rectangular plate having a through hole in the center, a partition wall formed on two adjacent side edges of one side of the rectangular plate, and a partition wall formed on the other side of the rectangular plate in alignment with the through hole 1 It has a hollow cylindrical leg of a book, which makes it a one-leg block form configuration.
An inclined surface is formed at each of the connecting portion between the one side of the rectangular plate and the partition wall and the connecting portion between the one side of the rectangular plate and the side portion of the rectangular plate. Unit block member for rainwater storage and infiltration facility.
It is composed of the unit block member according to any one of claims 1 to 3, and the hollow tubular legs of the pair of the unit block members face each other in the axial direction thereof, and the tips of the legs are fitted to each other. A frame-shaped block unit of a rainwater storage and infiltration facility characterized by being connected to.
The plurality of frame-shaped block units composed of the pair of unit block members having the four-legged block form configuration according to claim 1 are arranged side by side in the X and Y directions with predetermined intervals from each other. A characteristic rainwater storage and infiltration facility.
The lower frame arranged in the X and Y directions with an interval corresponding to the width dimension of the arm portion of the cross-shaped flat surface portion of the unit block member according to the four-legged block configuration according to claim 1. The upper frame so as to straddle the rectangular recesses at the four corners diagonally adjacent to each of the four lower frame-shaped block units at positions offset in the diagonal direction on the upper side of the shaped block unit. A rainwater storage and infiltration facility characterized in that a plurality of shaped block units are arranged side by side in the X and Y directions, and the rectangular recesses of the lower and upper frame-shaped block units are joined to each other.
The lower side and the upper side arranged in the X and Y directions with a space corresponding to the width dimension of the arm portion of the cross-shaped plane portion of the unit block member according to the four-legged block configuration according to claim 1. The frame-shaped block units are stacked one above the other, and the upper frame-shaped block units are stacked in a plurality of stages so as to be diagonally offset from the lower frame-shaped block units. The rainwater storage and infiltration facility according to claim 6.
A plurality of the frame-shaped block units composed of the pair of unit block members having the four-legged block configuration are arranged side by side in the X and Y directions at predetermined intervals from each other, and are installed on the outer side of the entire structure. The rainwater storage and infiltration according to any one of claims 5 to 7, wherein a side frame-shaped block unit composed of the pair of the unit block members having the two-legged block configuration according to claim 2 is provided. institution.
A plurality of the frame-shaped block units composed of the pair of unit block members having the four-legged block configuration are arranged side by side in the X and Y directions at predetermined intervals from each other, and are installed at the corners of the entire structure. The rainwater storage and permeation according to any one of claims 5 to 8, wherein a square frame-shaped block unit composed of the pair of the unit block members having the one bundle branch block configuration according to claim 3 is provided. institution.
A plurality of the frame-shaped block units composed of the pair of the unit block members of the four-bundle branch block configuration according to claim 1 are arranged in an L shape as a whole with a predetermined interval from each other, and the entire structure thereof. The side portion is provided with the side frame-shaped block unit having the two-legged block form configuration according to claim 2 or the frame-shaped block unit having the one-legged block form configuration according to claim 3. Rainwater storage and infiltration facility.
The frame-shaped block units composed of the pair of unit block members of the four-bundle branch block configuration according to claim 1 are arranged in the X and Y directions at predetermined intervals from each other, and a corner portion of the entire structure and a corner portion thereof. The side frame-shaped block unit to the side frame-shaped block unit of the two-legged block configuration according to claim 2, wherein the frame-shaped block unit in the vicinity thereof is removed. A rainwater storage and infiltration facility, wherein the frame-shaped block unit having the one-legged block form configuration is provided, and the entire structure is arranged in a stepped block unit arrangement form.
The rainwater storage and infiltration facility according to any one of claims 5 to 11, wherein the surface of the frame-shaped block unit installed on the uppermost stage is shielded by a shield capable of flooding.