JP2002275952A - Intrusion-of-sediment preventing plate mounted on filling body for facility for storage and seepage of rainwater and the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an intrusion-of-sediment preventing plate which prevents intrusion of sediment and facilitates mounting work. SOLUTION: The intrusion-of-sediment preventing plate is mounted on a filling body for facilities for storage and seepage of rainwater, etc., which is constituted by arranging a plurality of column parts at prescribed intervals. The intrusion-of- sediment preventing plate is characterized as follows: a hook locked to the filling body is formed in an edge frame provided on a periphery of a plate body having a square shape on a plane; and a notch, into which the hook is fitted, is formed into each of sides. Preferably, the hooks and the notches, respectively, are formed two by two on one side of each of the sides. The plate body can be constituted as follows: many small holes are pierced into the plate body; an annular rib, into which the column part of the filling body is fitted, is provided on one side of the plate body; and the annular ribs are coupled together by a group of reinforcing ribs provided lengthwise, crosswise and diagonally. The reinforcing rib can also be provided inside the annular rib. Preferably, the reinforcing rib inside the annular rib is formed in such a manner as to be lower in height than the annular rib.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sediment-prevention plate attached to a packing for rainwater storage and infiltration facilities used when constructing a facility for storing rainwater in a residential area or a factory site.

[0002]

2. Description of the Related Art In recent years, since most of the ground surface in urban areas is covered with impervious surfaces such as buildings and pavements, rainwater does not penetrate underground and flows into lowlands to flood houses, cause rivers to flood. The danger of flooding is increasing. In addition, the amount of water used is increasing year by year, and there is a risk of water shortage if the amount of rainfall at the water source is small. For that reason, water measures have been greatly highlighted. Therefore, after storing rainwater for a certain period of time, it is sequentially released into rivers and the like, or actively penetrates underground to prevent flooding of rivers and flooding of houses due to rainwater, etc. Rainwater storage and infiltration facilities have been proposed for pumping and use.

As a storage and infiltration facilities such as such rain water, for example, the reservoir penetration of the "rainwater" rainwater storage infiltration facilities such as "and Japanese fair 4-35580 described in JP-of KOKOKU 4-26648 JP There is a tank. The former facility is
Digging the ground to form a tank, filling the tank with a plurality of container-like members arranged vertically and horizontally and up and down from the bottom to the vicinity of the ground line, and covering the top with coating means It is characterized by the following. On the other hand, the latter tank forms a tank portion by digging down the ground, and in the tank portion, from the bottom to the vicinity of the ground line, is filled with partition frames divided into a plurality of partitions vertically and horizontally and vertically. , at the top and is characterized in that the applied coating means.

[0004]

The "rainwater storage and infiltration facility" constructed as described above is capable of temporarily storing rainwater and the like temporarily and allowing rainwater to permeate underground in the long term. However, there are the following problems. That is, in the former "storage and penetration facility for rainwater or the like", it is a container-like member to be filled in the tank portion, the container-like member is a box-like member having a bottom, and the peripheral side plate is provided at the bottom. It is configured in a tapered shape that slightly decreases toward it. If these members are arranged vertically and horizontally and a vertical space will be created, these parts must be filled.

[0005] Further, dead spaces also occur on the outer peripheral surfaces of the container-shaped members arranged vertically and horizontally and vertically, and since no member for protecting the outer peripheral surface is attached, the backfilled earth and sand flows in and the voids in the entire facility are formed. The rate may be reduced. On the other hand, in the latter "rainwater storage and infiltration tank", it is the frame that fills the tank portion, but the shape of the frame is not specified, so the "rainwater or other storage and infiltration facility" Similarly, backfilled earth and sand may flow in and reduce the porosity of the entire facility.

The present invention has been made in view of such a situation, and provides an earth and sand intrusion prevention plate which is attached to a filler used when constructing a facility for storing and infiltrating rainwater or the like to prevent intrusion of earth and sand. is there. Further, the present invention provides a soil and sand intrusion prevention plate that can be easily attached to a storage body for rainwater or the like and a filling body for infiltration facilities, and has high working efficiency.

[0007]

The present invention has the following configuration to achieve the above object. That is, sediment entry preventing plate attached to the reservoir and infiltration facilities for packing such as rainwater is sediment entry preventing plate for mounting a plurality of pillar portions in storage and infiltration facilities for packing such as rainwater formed by arranging at a predetermined interval The earth and sand intrusion prevention plate is formed on each side with a hook to be engaged with the filler in an edge frame provided on a peripheral edge of a plate having a square shape in a plane, and a notch for fitting the hook in each side. It is characterized by becoming. It is preferable that two notches for hooking the hook and the notch for fitting the hook are formed on each side of each side. Further, it bored a number of small holes in the plate body is provided with annular ribs fitting the pillars of one side to the filling body of the plate body, connected by a reinforcing rib group provided the annular rib vertically and horizontally and diagonally Configuration. When the reinforcing ribs are also provided inside the annular ribs, the reinforcing rib group, the edge frame and the annular ribs are almost the same height, but the height of the reinforcing ribs inside the annular ribs is circular. What is necessary is just to form lower than the height of a ring rib.

Further, soil entry preventing plate attached to the reservoir and infiltration facilities for packing, such as other rainwater, the retention and infiltration facilities for packing such as rainwater formed by arranging a plurality of pillar portions at predetermined intervals An earth and sand intrusion prevention plate to be attached, wherein the earth and sand intrusion prevention plate has a T-shaped groove formed on one side of one side of a planar rectangular frame. The T-shaped groove may be formed with L-shaped protrusions facing each other. Further, the inside of the planar rectangular frame may be formed in a mesh shape by providing diagonally running ribs, or a configuration in which a number of small holes are formed in a plate.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The illustrated embodiment will be described below in detail. First, a filler to which the earth and sand intrusion prevention plate according to the present invention is attached will be described. FIG. 1 shows a first embodiment of the filling body. In the filling body 1, a plurality of hollow pillars 3 having upper and lower surfaces opened are arranged at predetermined intervals, and upper portions of the arranged hollow pillars 3 are connected to each other by a spar 5 and an edge frame 7 which are connection members. They are connected together. The spar 5 as the connecting material is provided obliquely with respect to the rim frame 7, and the rim frame 7 for connecting the hollow pillar portions on the outer peripheral side is provided at substantially the same height position as the spar 5. I have. That is, the hollow pillars 3 located on the outer peripheral side of the hollow pillars 3 are connected to each other at the same height position as the spar by the plane rectangular frame 7.

Therefore, the hollow pillars 3 are disposed at least at the four corners of the edge frame 7 and at the middle and center thereof. The spar 5 is provided obliquely to the side surface of the edge frame 7, and as shown in FIG. 3, the spar 5 connects the diagonal of the four corners and has a hollow located at the middle in the center. The pillars 3 are connected to form a rhombus. By arranging the hollow pillars 3 as described above, the porosity in a plane can be increased, and the porosity can be 95%. The hollow pillars provided in the middle part and the center part may be provided only in either the middle part or the center part when the load supported by the filler is small. The number and position of the pods are determined in consideration of the load supported by the pod.

The hollow column 3 is formed by opening the upper and lower surfaces of a cylindrical pipe 10 and is provided with a reinforcing rib 11 provided therein. The reinforcing ribs 11 are provided such that ribs 11a are provided in parallel and opposed to each other. The upper ribs are combined in a girder shape at the upper portion, and the opposing ribs are connected to each other. The cross-shaped upper plate 1
3 protrudes slightly upward from the upper end of the hollow column 3. Therefore, in the portion where the ribs 11a are connected, a flat cross-shaped box shape is formed with an open bottom surface, and the upper portion of the box shape is formed to protrude from the upper end of the hollow column portion 3. As described above, the reinforcing rib 11 is provided inside the tubular pipe 10.
Is provided, the strength can be increased.
The reinforcing rib 11 can be changed to an arbitrary shape as described later, and may be omitted as appropriate.

At the ends of the cross-shaped upper plate 13, fitting projections 15 are provided so as to face each other. The fitting protrusions 15 have a U-shape in a plane, have substantially the same width as the end of the upper plate 13, and are formed independently of each other. When the packings 1 are stacked in the vertical direction, the fitting projections 15 of the lower packing are fitted to the lower ends of the hollow pillars 3 of the upper packing, thereby being fixed and integrally assembled. Four substantially triangular voids 17 are formed between the cruciform upper plate 13 and the inner surface of the hollow pillar 3, and when the filler is assembled through the voids 17, the hollow pillars to which rainwater or the like is connected. It is possible to flow down the part 3.

The hollow column 3 is integrally connected by the beam 5 at the upper part. The spar 5 is a double-walled structure having a U-shaped cross section with an open bottom surface, an upper surface of which protrudes slightly from the upper surface of the hollow column 3, and is connected to the substantially same plane as the cross-shaped upper plate 13. , A reinforcing rib 19 is provided inside. Since there is a step between the upper end of the hollow column 3 and the upper surface of the spar 5, a gap is formed at the lower end of the hollow column 3 when the fillers are vertically connected and assembled. The inflow and outflow of rainwater and the like into and from the department can be performed. A vent hole 20 is provided on the upper surface of the girder 5.

The connection position between the beam 5 and the hollow column 3 is not limited to the upper part of the hollow column 3, and the structure of the beam 5 is not limited to the above embodiment. It may have a triple structure, or a structure in which plate bodies are provided in parallel, opened up and down and connected by ribs, and may be any other structure such as a single plate.

The edge frame 7 has substantially the same structure as the spar 5, and is a double-walled structure having an open lower surface. Edge frame 7
Are provided with reinforcing ribs 21 inside thereof, and are connected to the hollow column 3 by protrusions 23 at four corners and a protrusion 25 in the middle. The edge frame 7 connects one of the hollow pillars 3 located on the outer peripheral side, and has an outer surface that is flat so as to be in close contact with each other when the fillers are arranged side by side. The edge frame 7 is formed with a concave portion 27 into which a hook of the earth and sand intrusion prevention plate described later is fitted, a locking portion 29 for locking the hook, and a coupling tool insertion hole 30. The recess 27 and the locking portion 29 are formed two on each side. For example, on the upper side of FIG. 1, a locking portion 29 is formed at the left end, and a concave portion 27 is formed at a predetermined interval inside the locking portion 29, while a concave portion 27 is formed at the right end and inside the concave portion 27. The locking portions 29 are formed at predetermined intervals. In other sides, the positional relationship and the interval between the concave portion 27 and the locking portion 29 are formed similarly.

As shown in FIG. 4, the recess 27 is formed by forming a step 27a in which the outer corner of the edge frame 7 is cut out. Further, the locking portion 29, as shown in FIG. 5, is formed by providing a projection 29a on the edge portion of the step portion 27a formed by cutting the outer corner portion of the recess 27 and also edge frame 7 . The hook is attached to the projection 29a by locking a hook of an earth and sand intrusion prevention plate. In addition, as shown in FIG.
A horizontal slit 30a provided on the upper surface of the edge frame 7 in parallel with the side surface and a vertical slit 30b communicating with the slit 30a are formed on the outer surface.

Next, the earth and sand intrusion prevention plate 31 attached to the filling body 1 will be described with reference to FIGS. The earth and sand intrusion prevention plate 31 is formed by
One side of a plate 33 having substantially the same size as the hollow column 3
Are provided, and the annular ribs 35 are connected by reinforcing rib groups 37 provided vertically, horizontally and diagonally, and an edge frame 39 is provided on the periphery of the plate 33. The annular rib 35 is formed in such a size that the lower end of the hollow column 3 can be inserted. The reinforcing ribs 40 are provided inside the annular rib 35 by extending the vertical and horizontal reinforcing ribs. The reinforcing rib group 37 and the edge frame 39 have the same height as the annular rib 35. On the other hand, the reinforcing ribs 40 in the annular rib 35 are low in height so that the hollow pillars 3 can be fitted therein, and the reinforcing ribs 3
7 is formed at about half the height. A large number of small holes 41 into which rainwater or the like flows are formed between the ribs in the plate body 33.

The edge frame 39 is formed with a hook 43 to be engaged with the engaging portion 29 of the filling member 1 and a notch 45 into which the hook 43 is fitted. The hook 43 and the notch 45 are formed two on each side. For example, a notch 45 is formed on the left end on the lower side of FIG.
The hook 43 is formed at a predetermined interval inside the hook, the hook 43 is formed at the right end, and the notch 45 is formed at a predetermined interval inside the hook 43. The relationship between the hook 43 and the notch 45 is the same in other sides. Notch 4
The depth of the hook 5 is almost the same as or slightly greater than the height of the hook 43.

The positional relationship and the interval between the hook 43 and the notch 45 are the same as the positional relationship and the interval between the concave portion 27 and the locking portion 29. When the earth and sand intrusion prevention plate 31 is used as a lid on the upper surface of the filler 1, the hook 43 is
7 and is fixed.
When the hook 43 is attached to the side of the
(See FIG. 1).
2). In addition, when the hook 43 and the notch 45 are configured as described above, even when the surfaces of the earth and sand intrusion prevention plates 31 on which the hooks are protruded face each other and face each other, one hook 43 remains inside the other notch 45. And can be stored and transported in a state where the hooks 43 are stored in each other.

Further, when the packing bodies 1 are laid side by side in a state of being arranged in parallel and fixed, a connecting tool as shown in FIG. 14 may be used. That is, the H-shaped connecting tool 47 is
a and a connecting plate 47b connected at right angles to the parallel plate 47a. First, the fillers 1 are laid out in parallel in the horizontal direction, and as shown in FIG. 13, the holes 30 for inserting the connector are abutted with each other, and the parallel plates 47a are inserted into the respective slits 30a in the horizontal direction, and at the same time, Slit 3
The connecting plate 47b may be inserted into 0b. With such a connection method, the parallel plate 47a prevents the filling bodies 1 from separating from each other, and the connection plate 47 inserted into the longitudinal slit 30b.
b prevents displacement in the sliding direction. By such a connection method, the adjacent packing bodies 1 can be connected integrally.

FIGS. 15 to 21 show a second embodiment of the filling body. Since the basic configuration is the same as that of the filling body 1, the same components are denoted by the same reference numerals, and different configurations will be described. The filling body 50 differs from the filling body 1 in the upper structure of the hollow column and the connection structure in the edge frame. Hollow Jobashira portion 51 is formed by reduced form slightly outside diameter than the upper inner diameter of the cylindrical pipe 53 of the cylindrical pipe 53. That is, the upper portion of the hollow Jobashira portion 51 and small diameter portion 55 of the lower end of the cylindrical pipe 53 is fittable, by forming a stepped portion 57 to the upper surface and the same surface of the digit 5. Further, a reinforcing rib 11 is provided inside the tubular pipe 53. The small-diameter portion 55 protrudes from the upper surface of the spar 5 and is configured such that the lower end portion of the upper tubular pipe 53 is fitted when stacked. The configuration of the reinforcing rib 11 has been described in the first embodiment. The connection position between the beam 5 and the hollow column 51 is not limited to the upper part of the hollow column 51.

The edge frame 7 connects hollow pillars 51 located on the outer peripheral side. The outer surface of the edge frame 7 is formed as a flat surface so as to be in close contact with each other when the fillers are arranged side by side. An engagement portion 59 is formed on the outer surface of the edge frame 7. As shown in the upper side of FIG. 15, the engaging portion 59 includes a pawl 60 protruding toward the left corner and a pawl locking portion 61 formed near the right corner. The pawl 60 includes a downward pawl 60a and an upward pawl 60b.
As shown in (1), they are provided so as to be shifted from each other in the vertical direction. The pawl locking portion 61 includes an upward locking portion 61a and a downward locking portion 61b, and is formed to be shifted at the same interval as the pawl 60.

As shown in FIG. 18, the upward locking portion 61a is provided with a projection 61d on the edge of a concave portion 61c which is recessed from the upper surface of the U-shaped frame 7 with a width wider than the width of the pawl 60. It is formed by providing. Downward claws 60a
Are fitted in the concave portions 61c and engage with the protrusions 61d. On the other hand, as shown in FIG. 19, the downward locking portion 61b is provided with a cutout portion 61e recessed from the lower surface of the U-shaped cross-sectional frame 7 with a width wider than the width of the pawl 60, and a rib 61f on the inner surface. It is formed by providing. The upward pawl 60b fits into the notch 61e, and the rib 61
engage with f.

Therefore, when the filling members 50 are arranged in parallel in the horizontal direction, as shown in FIG. 20, the downward claws 60a engage with the adjacent upward locking portions 61a, and the upward claws 60b engage with the adjacent downward locking portions 61a. By engaging with the part 61b, it can be integrally connected. When the packing bodies 50 are vertically stacked, as shown in FIG. 21, the small-diameter portion 55 of the hollow pillar portion 51 is attached to the upper hollow pillar portion 5.
The lower ends of the first tubular pipes 53 are fitted together to be integrally connected. As described above, the filling body 50 is integrally connected in the horizontal direction and the vertical direction, thereby preventing the displacement as a whole, and can be a high-strength structure.

Next, FIG. 22 shows a third embodiment of the filling body. Since the filler 63 is basically the same as the above embodiment, the same components are denoted by the same reference numerals, and only different components will be described. The upper portions of the plurality of hollow pillar portions 65 whose upper and lower surfaces are open are connected at predetermined intervals by the girders 5, and the hollow pillar portions 65 of the hollow pillar portions 65 which are located on the outer peripheral side are formed in a plane square cross section and a U-shape. It is connected and fixed by the edge frame 7. The lower part of the cylindrical pipe 67 constituting the hollow column part 65 is reduced in diameter to form a small diameter part 69, which is formed so as to be fittable to the upper end part of the cylindrical pipe 67 of the lower filling body. A reinforcing rib 70 is provided inside the cylindrical pipe 67. The reinforcing rib 70 is provided as shown in FIG.
As shown in FIG. 7, the ribs 70a cross each other and are combined in a cross shape, and the opposing ribs are connected at the upper portion. Note that the reinforcing rib 70 can be omitted, and can be changed to the reinforcing rib 11.

When the packing bodies 63 are vertically stacked, as shown in FIG.
And is integrally connected to the upper part of the cylindrical pipe 67.
In this embodiment, the engaging portions 71 that integrally connect the filling bodies 63 in the horizontal direction are configured in a nested manner. That is, the engaging portion 71 is provided with a T-shaped protrusion 73 on one side surface of the U-shaped cross-sectional frame 7 and a T-shaped groove 75 on the opposite side surface to which the T-shaped protrusion 73 can be fitted. It becomes. Filler 63 horizontally adjacent to the T-shaped groove 75
By inserting the T-shaped projection 73 from above, they are integrally connected.

Next, FIG. 25 shows a fourth embodiment of the filling body. The filling member 77 differs from the above embodiment in that the hollow column portion 79 is a tubular pipe 80 having a shape gradually reduced in diameter toward the lower end portion. Other configurations are the same as those of the first to third embodiments, and thus the same reference numerals are given and the description thereof is omitted. In this embodiment, the cylindrical pipe 8
In the case where the hollow pillar portion 79 is provided with the reinforcing ribs 11 and the reinforcing ribs 70 in the inner portion 0, the lower end portion of the cylindrical pipe 80 is fitted on the upper portion of the lower hollow pillar portion 79 when vertically stacked. They can be combined and connected together.

However, when the reinforcing ribs 11 and the reinforcing ribs 70 are omitted, a completely hollow body is formed, so that the cylindrical pipes 80 are fitted to each other, and cannot be stacked vertically. Therefore, the upper part of the hollow Jobashira part 7
It is preferable that an adapter is interposed between the lower surface of the lower cylindrical member 9 and the upper surface of the lower hollow column portion 79. For example, an adapter having a structure as shown in FIG. 26 can be used. The adapter 81 is provided with a locking portion 85 mounted on the upper end surface of the cylindrical pipe 80 on the outer surface of the insertion portion 83 fitted into the upper end portion of the cylindrical pipe 80, and a cross-shaped reinforcement provided on the inner surface of the insertion portion 83. An insertion portion 89 that fits into the lower end of the hollow pillar portion 79 protrudes from the upper surface of the rib 87. By using such an adapter 81, the packing bodies 77 can be stacked vertically and connected integrally. Also, the adapter 81 may be used in the case where the hollow pillar 79 is provided with the reinforcing ribs 11 and the reinforcing ribs 70 in the tubular pipe 80.

In the first to fourth embodiments, transportation,
At the time of storage, the volume can be reduced by inserting the hollow column into the gap between the girders, so that it can be efficiently transported and stored.

FIGS. 27 and 28 show a fifth embodiment of the filling body. In the first to fourth embodiments, the hollow column is replaced with a beam 5
And by a U-shaped cross-section frame 7,
The filling body 90 connects the upper part of the hollow columnar part 91 with the connecting plate 95. The connection plate 95 is provided with a small hole 93 and is bordered by a side plate 97 having an outer peripheral surface connected downward. That is, the upper surface of the hollow column 91 is opened from the connecting plate 95. The hollow column portion 91 is provided with the hollow column portion 79.
It is formed in the same structure as. The structure of the hollow column 91 can be changed as in any of the above embodiments.

A telescopic engagement portion 99 is provided on the outer surface of the side plate 97. The engaging portion 99 is configured by providing a T-shaped projection 100 protruding near one corner of one side and providing a T-shaped groove 101 facing the L-shaped projection near the other corner. ing. When the filling bodies 90 are arranged side by side, the T-shaped projection 100 is fitted into the T-shaped groove 101 and assembled integrally. The stacking the packing 90 in the vertical direction, it may be performed using the adapter 81 as in the fourth embodiment shown in FIG. 25, also engaging portion to juxtaposed horizontally provided on the side surface 99 May be integrally connected.

FIG. 29 shows a sixth embodiment of the filling body.
The filling body 103 is different only in that the hollow column 91 in the fifth embodiment shown in FIG. The other configurations are the same, so the same reference numerals are given and the description thereof is omitted. The above-mentioned filling bodies 90 and 103
When transporting and storing, the hollow pillars may be stacked by fitting the hollow pillars together, but may be inserted into the gaps of the hollow pillars facing each other. Volume ratio.

The cross-sectional shape of the hollow column may be any shape such as a triangle, a polygon, and an ellipse, as well as a circle and a square as in the embodiment. Further, it is needless to say that the structure of the pipe and the reinforcing rib or the structure of the engaging portion which constitute the hollow column portion can be appropriately combined and implemented.
Further, in each of the above embodiments, the planar shape of the filling body is a square shape, but the present invention is not limited to this, and may be an arbitrary shape such as a planar triangle, a polygon, and a circle.

Next, an example of the earth and sand intrusion prevention plate used in the packing bodies of the third to sixth embodiments will be described. FIG.
Shows an example of the earth and sand intrusion prevention plate used for the filling body of the third embodiment shown in FIG. The earth and sand intrusion prevention plate 110 is formed in a mesh shape by providing a rib 113 running obliquely inside the frame body 111, and an L-shaped projection is opposed to the side surface of the frame body 111 similarly to the T-shaped groove 75. A T-shaped groove 115 is formed. The T-shaped protrusion 73 is inserted into the T-shaped groove 115. The T-shaped groove 115 may be changed according to the structure of the engaging portion of the filler used. Instead of the rib structure, a structure in which a number of small holes are formed in the plate, such as the earth and sand intrusion prevention plate 31, may be used.

Next, a facility for storing and infiltrating rainwater or the like using the filler shown in FIG. 1 and the earth and sand intrusion prevention plate 31 shown in FIG. 7 will be described. First, as shown in FIG.
The excavation part 119 is formed in the ground by digging down 7. In the illustrated embodiment, the wall surface of the excavation portion 119 is formed substantially vertical, but may be a tapered surface that is widened upward at a certain angle. Gravel 124 and the like are spread on the bottom of the excavation portion 119, and a water-permeable substrate 31a such as a sediment intrusion prevention plate 31, which will be described later, is spread and arranged as necessary.
On top of this, the packing body 1 is arranged horizontally and stacked vertically.

It is preferable that the fillers 1 fix the fillers adjacent to each other in the horizontal direction. For example, a hole for inserting a connector is provided in an edge frame of the filler 1 and inserted into the hole for inserting a connector. Can be integrally connected using a connecting tool. The filling body 1 forms water reservoir spaces, and these spaces communicate with each other to form a water reservoir space.

A shielding plate 31b having water permeability, such as an earth and sand intrusion prevention plate 31, is attached to the outer peripheral surface of the stacked body of the packing bodies 1 connected in the vertical direction and the horizontal direction. Further, a lid plate 31c such as a soil and sand intrusion prevention plate 31 is placed as a lid to prevent the intrusion of earth and sand from the upper surface of the filling body 1 located at the upper part. Thereafter, the outer peripheral portion is filled with backfilled earth and sand 120, and a covering layer 121 of earth and sand or the like may be provided on the upper portion so that rainwater or the like can penetrate. In the excavation part 119, an inflow port 123 for rainwater or the like which leads to a gutter in a residential area or the like, a gutter of a house, or the like.
Is provided.

In the rainwater storage facility and infiltration facility configured as described above, rainwater permeates from the upper coating layer 121 and flows in from the inflow port 123 and is stored in the excavation section 119. Since the filler 1 has a sufficient porosity, it can be effectively stored, and as time passes, rainwater and the like gradually penetrates into the ground from the side and bottom surfaces of the excavation part 119. Therefore, even if there is a torrential rain, rainwater and the like can be temporarily stored in the excavation section 119, so that the house is not flooded, and the river is not flooded, and the water is infiltrated into the ground. Groundwater recharge is possible.

Next, an embodiment in which rainwater or the like is stored will be described. First, as shown in FIG.
The excavation part 119 is formed in the ground by digging down 17. In the illustrated embodiment, the wall surface of the excavation portion 119 is formed substantially vertical, but may be a tapered surface that is widened upward at a certain angle. An impermeable layer 125 made of concrete, a resin sheet, a rubber sheet, or the like is formed on a bottom portion and a wall surface of the inner peripheral surface of the excavation portion 119. After that, the filler 1 is filled in these excavation parts 119.

Thereafter, a cover plate 31c such as a sediment intrusion prevention plate 31 is placed on the upper part of the stacked body of the packing bodies 1 connected in the vertical direction and the horizontal direction, and a cover layer made of earth and sand is provided so that rainwater or the like can penetrate. 121 or an impermeable layer made of concrete or the like. The excavation section 119 is provided with an inflow port 123 for rainwater or the like that leads to a gutter in a residential area or the like, a rain gutter of a house, and the like, and an intake pipe 127 for pumping rainwater or the like to the outside.

In the rainwater storage facility according to the second embodiment, rainwater and the like can be stored in the underground water storage tank. I will not let you. In addition, by appropriately pumping the stored water through the water intake pipe 127, the stored water can be stably used as daily water for general use or a middle water supply, and effective use of water resources can be achieved.

[0042]

According to the present invention, the use of the sediment intrusion prevention plate attached to the filler for rainwater storage facilities and infiltration facilities according to the present invention prevents the infiltration of sediment into the facilities, and allows the facilities to remain in the facilities for a long period of time. High porosity can be maintained.
In addition, since the earth and sand intrusion prevention plate merely engages with the filler, the mounting operation can be easily performed.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of a filler to which a soil and sand intrusion prevention plate of the present invention is attached, wherein an upper half is a plan view and a lower half is a bottom view.

FIG. 2 is a side view in which a part of FIG. 1 is sectioned.

FIG. 3 is a perspective view of a main part in which a part of a hollow column and a girder serving as a connecting member is sectioned.

4A is a sectional view of a concave portion, and FIG. 4B is a perspective view of the concave portion.

5A is a cross-sectional view of a locking portion, and FIG. 5B is a perspective view of the locking portion.

6A is a cross-sectional view of a hole for inserting a coupler, and FIG. 6B is a perspective view of the hole for inserting a coupler.

FIG. 7 shows the earth and sand intrusion prevention plate of the present invention, wherein the upper half is a plan view and the lower half is a bottom view.

FIG. 8 is a side view of the earth and sand intrusion prevention plate.

FIG. 9 is an enlarged perspective view of an inner surface structure at a corner of the earth and sand intrusion prevention plate.

FIG. 10 is a cross-sectional view of a principal part for explanation showing a relationship between a hook and a notch.

FIG. 11 is a cross-sectional view of a main part for explanation showing a relationship between a reinforcing rib group outside and a reinforcing rib inside the annular rib.

FIG. 12 is a cross-sectional view of a main part for explanation showing an engagement state between a filling body and a sediment intrusion prevention plate.

FIG. 13 is a cross-sectional view of a principal part for explanation showing insertion of a connecting tool when connecting fillers in a horizontal direction.

FIG. 14 is a perspective view of an H-type connector.

FIG. 15 shows a second embodiment of the filler, wherein the upper half is a plan view and the lower half is a bottom view.

FIG. 16 is a side view of FIG.

FIG. 17 is a perspective view of a main part in which a part of a hollow pillar portion and a girder serving as a connecting member are sectioned.

FIG. 18 is a cross-sectional perspective view showing an upward locking portion of the engaging portion.

FIG. 19 is a cross-sectional perspective view showing a downward locking portion in the engagement portion.

FIG. 20 is an explanatory cross-sectional view showing an engagement state in an engagement portion.

FIG. 21 is a cross-sectional view of a main part showing a fitted state of a hollow column.

FIG. 22 is a top perspective view showing a third embodiment of the filling body.

FIG. 23 is a top perspective view showing another embodiment of the reinforcing rib in the hollow pillar portion of the present invention.

FIG. 24 is a cross-sectional view of a main part showing a fitted state of a hollow column.

FIG. 25 is a top perspective view showing a fourth embodiment of the filling body.

FIG. 26 is a cross-sectional view of a main part in a state where hollow pillars are stacked using an adapter.

FIG. 27 is a top perspective view showing a fifth embodiment of the filling body.

FIG. 28 is a sectional view of a main part of FIG. 27;

FIG. 29 is a top perspective view showing a sixth embodiment of the filling body.

FIG. 30 is an explanatory perspective view showing another example of sediment entry preventing plate.

FIG. 31 is a cross-sectional view illustrating the penetration facilities such as rainwater.

FIG. 32 is an explanatory sectional view showing an embodiment of a storage facility for rainwater or the like.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Filler 3 Hollow pillar part 5 Digit 7 Edge frame 10 Cylindrical pipe 11 Reinforcement rib 11a Rib 13 Cross upper plate 15 Fitting projection 17 Substantially triangular void 19 Reinforcement rib 20 Vent hole 21 Reinforcement rib 23 Projection 25 Projection 27 concave portion 27a step portion 29 locking portion 29a projection 30 connecting hole 30a horizontal slit 30b vertical slit 31 earth and sand intrusion prevention plate 33 plate 35 annular rib 37 reinforcing rib group 39 edge frame 40 reinforcing rib 41 Small hole 43 Hook 45 Notch 47 H-type connector 47a Parallel plate 47b Connection plate 50 Filler 51 Hollow columnar portion 53 Cylindrical pipe 55 Small diameter portion 57 Step 59 Engagement portion 60 nail 60a Downward nail 60b Upward nail 61b For upward nail Locking portion 61a Upward locking portion 61b Downward locking portion 61c Recess 61d Projection 61e Notch 61f Rib 63 Filler 65 Hollow pillar 67 Cylindrical pipe 69 Small diameter part 70 Reinforcement rib 70a Rib 71 Engagement part 73 T-shaped projection 75 T-shaped groove 77 Filler 79 Hollow pillar 80 Cylindrical pipe 81 Adapter 83 Insertion Part 85 Locking part 87 Reinforcement rib 89 Insertion part 90 Filler 91 Hollow column part 93 Small hole 95 Connecting plate 97 Side plate 99 Nesting engagement part 100 T-shaped projection 101 T-shaped groove 103 Filler 105 Square pipe 110 Sediment infiltration prevention plate 111 Frame 113 Rib 115 Engagement projection 117 Ground 119 Excavation part 120 Sediment 121 Coating layer 123 Inlet 125 Water-impermeable layer 127 Water intake pipe

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Hiroyuki Yai 1-16-14 Shibuya, Shibuya-ku, Tokyo Tokyu Construction Co., Ltd. (72) Inventor Masahiro Samejima 1 Nobesawa, Kaisei-cho, Ashigara-gun, Kanagawa Meiji Co., Ltd. Rubber Chemicals Headquarters Factory (72) Inventor Jun Ushio 1 Nobesawa, Kaisei-cho, Ashigara-gun, Kanagawa Prefecture Co., Ltd. F-term in the main factory (reference) 2D063 AA01 AA11

Claims (9)

[Claims] 1. A sediment intrusion prevention plate attached to a filler for storing and infiltrating facilities for rainwater or the like in which a plurality of pillars are arranged at predetermined intervals, wherein the sediment intrusion prevention plate has a square shape in a plane. For a storage and infiltration facility for rainwater or the like, characterized in that a hook for engaging with the filling body and a notch for fitting the hook are formed on each side of an edge frame provided on a peripheral edge of a plate body forming An earth and sand intrusion prevention plate to be attached to the packing body. 2. The storage and storage of rainwater and the like according to claim 1, wherein two hooks to be engaged with the filling body and two notches for fitting the hooks are formed on each side of each side. An earth and sand intrusion prevention plate to be attached to the packing material for infiltration facilities. 3. A reinforcing rib in which a number of small holes are formed in a plate body, annular ribs are provided on one surface of the plate body to fit columns of the filler, and the annular ribs are provided vertically and horizontally and diagonally. The earth and sand intrusion prevention plate attached to the packing for storage and infiltration facilities for rainwater according to claim 1 or 2, wherein the plate is connected by a group. 4. The plate according to claim 3, wherein a reinforcing rib is also provided inside the annular rib. 5. The reinforcing rib group, the edge frame and the annular rib have substantially the same height, but the height of the reinforcing rib inside the annular rib is lower than the height of the annular rib. A sediment infiltration prevention plate attached to the packing for rainwater storage and infiltration facilities according to claim 3 or 4. 6. A soil and sand intrusion prevention plate to be attached to a filler for storing and infiltrating facilities for rainwater and the like in which a plurality of pillars are arranged at predetermined intervals, wherein the earth and sand intrusion prevention plate is a flat rectangular frame. A sediment intrusion prevention plate attached to a packing material for storing and infiltrating facilities for rainwater, wherein a T-shaped groove is formed on one side of one side of the body. 7. The plate for preventing sediment infiltration attached to the packing for rainwater storage and infiltration facilities according to claim 6, wherein the T-shaped groove is formed with L-shaped projections facing each other. . 8. The storage for rainwater or the like and the filling for permeation facilities according to claim 6, wherein the inside of the flat rectangular frame is formed in a mesh shape by providing an obliquely running rib. An earth and sand intrusion prevention plate attached to the body. 9. The packing for rainwater or other storage and infiltration facilities according to claim 6, wherein a number of small holes are formed in the inside of the flat rectangular frame. Sediment intrusion prevention plate.