JP4034765B2 - Retaining wall - Google Patents

Description

  The present invention relates to a retaining wall formed by stacking stacked blocks, and more particularly to a retaining wall provided with a water field for wild birds typified by kingfishers, kingfishers, and swallows.

  Patent Documents 1 and 2 provide an environmental revetment block in which a horizontally long hole opening in the front surface is provided in the revetment retaining wall formed by stacking a product block or panel, and this is used as a bird's nest.

  The above-mentioned patent document 1 is filled with clay-like soil in the horizontally long hole so that wild birds can excavate themselves to form a nest hole, and patent document 2 is used for the bird's nest without filling the horizontally long hole with soil. It is said. In both cases, the bird block nesting function is added to the product block.

  On the other hand, Japanese Patent Application No. 2003-112583 is a road widening method in which, for example, a road in a mountainous area is locally widened so that cars can pass each other. In the case of a retaining wall, we propose a construction method that widens the road surface by stacking a new building block on the upper side of the retaining wall at a certain rising angle, for example, perpendicularly, and implemented as a powerful road surface widening method Has reached.

The applicant has been licensed for this road surface widening method and has entered into the implementation. However, starting with the road surface widening method, the wild bird in the cavity of the widening product block as an environmental conservation measure for this widening retaining wall. To obtain a watershed function or waterbird function and nesting function of wild birds, or to allow small animals including wild birds to pass through the retaining wall through these holes and use the cavity as a pit. It is a thing.
JP 2001-152428 A JP 2001-254336 A

  As described above, Patent Documents 1 and 2 are proposals that use a building block or panel to add a bird nesting function to preserve the natural environment.

  On the other hand, the present invention was devised with the object of providing a wild bird basin on the retaining wall formed by stacking the above-mentioned building blocks and contributing to the conservation of the natural environment.

  In particular, when a widening retaining wall is formed by raising a product block on the upper stage side of the retaining wall provided with the above-mentioned constant dip, and when widening the road, the front surface where the widening retaining wall rises sharply Focusing on the fact that it has the effect of hindering the invasion of snakes, etc., who are wild enemies of wild birds, it has contributed to environmental measures by adding a water field function of wild birds to this widening retaining wall.

  It is also possible to provide a bird's nest along with a water reservoir. The retaining wall provided with the water field is not limited to the road widening method, but can be applied to a retaining wall formed with a normal dip.

The retaining wall according to the present invention is provided with a retaining wall having a certain slanting angle toward the road surface formed by stacking the product blocks, and for widening that is built up substantially vertically by stacking the widening product block on the upper stage side of the retaining wall. The widening product block has a front wall, left and right side walls, a rear wall and a bottom wall, and further has a retaining portion protruding rearward of the bottom wall, and the five members are made of concrete. And forming a bottomed box-shaped chamber opened on the upper surface by the front wall, the left and right side walls, the rear wall, and the bottom wall, and stacking the widening product block to A block is formed by closing the same block , and a small-diameter bird entrance is provided on the front wall of the widening product block that defines the cavity. provided Mizujo or nesting field on the bottom wall, further after the widening for product block The is obtained by the load applied to the rear wall of the widening for the product block to be continuous in the same dip and the front wall of the product block to form a retaining wall structure for load-receiving in the front wall of the product block).

  A puddle block is formed on the bottom wall with a small-diameter bird entrance on the front wall, and a puddle basin is formed on the bottom wall below the bird entrance, and a bird nesting site, a plant vegetation ground, or a bird resting area next to the puddle For the above stacking.

  The retaining wall is provided with water supply means for replenishing the water field so that constant water is always maintained in the water field. For example, as the water supply means, a drain pipe that reaches the inside of the cavity from the ground behind the retaining wall is provided, and the drain pipe is opened on the water field to replenish water.

  Alternatively, it is possible to collect rainwater on the road and guide the water to the water field by pipes to supplement the water.

In addition, drainage means to keep the water surface of the water field constant will be provided so that birds can descend and drink properly in the surrounding area of the water field or prevent flooding of the water field or nesting area. .
That is, a water field is provided on the bottom wall of the product block that defines the cavity, a drain pipe is started up from the bottom wall of the widening product block, and the water in the water field overflows from the upper end opening of the drain pipe. The drained water is drained from the drainage holes provided in the bottom wall into the cavities of the lower widening product blocks and drained from the drainage holes provided in the front wall of the lowermost widening product block.

  The present invention includes a case where a nesting site or a vegetation site adjacent to the water field is provided on the bottom wall of the product block to promote drinking and nesting or vegetation.

  The present invention can use a retaining wall formed by stacking stacked blocks, and can provide a retaining wall having a water environment function of a good environment for kingfishers, kingfishers, swallows, etc. Effective for environmental conservation.

  In particular, when a road widening retaining wall is formed by stacking product blocks at a steep angle on the upper side of the retaining wall having a certain angle, the steep front of this widening retaining wall prevents invasion of harmful animals such as snakes. It is possible to enjoy the effect of obstructing, and by forming the water field on the widened retaining wall, a safer water field for wild birds can be provided, which is effective as an environmental conservation measure.

  The best mode for carrying out the present invention will be described below with reference to FIGS.

  In the following description, the retaining wall 11 formed by stacking the product blocks 1a with a certain depression angle is provided with the water field 6, the nesting site 9, and the vegetation field, and the retaining wall 11a provided with the depression angle. This is an explanation common to a case where the widening product block 1b is stacked with a steep angle from the middle and the widening retaining wall 11b is raised. Accordingly, the product block 1 described below includes product blocks 1a and 1b, and the retaining wall 11 includes retaining walls 11a and 11b.

  The widening retaining wall 11b is constructed by removing the product block 1a on the upper side of the existing retaining wall 11a stacked with an inclination, and stacking the widening product block 1b on the removed part. Alternatively, the retaining blocks 11a and 11b are newly installed by sequentially stacking the product blocks 1a and 1b.

  As shown in FIGS. 1 and 2, the retaining wall according to the present invention is intended for a retaining wall formed by stacking product blocks 1, and a cavity 2 is provided inside the product block 1 forming the retaining wall. On the front wall 3 of the product block 1 that defines 2, one or a plurality of small-diameter bird entrances 4 through which birds enter and exit the cavity 2, and on the bottom wall 5 of the product block 1 that defines the cavity 2 A water field 6 is provided in the water inlet 6 so that birds can enter the cavity 2 through the bird entrance 4 and drink water from the water field 6.

  As shown in FIGS. 3 to 7, the product block 1 is integrally formed of concrete, and a bird entrance 4 is opened on the front wall 3, and a water pool is placed on the bottom wall 5 below the bird entrance 4. Place 桝 7 in the same concrete.

  Basically, the pool 7 is formed at the lower end of the wall of the product block 1 that defines the cavity 2. Alternatively, the partition wall 29 is integrally formed with concrete on the bottom wall 5, and the partition wall 29, the front wall 3, and the left and right side walls 12 cooperate, or the front wall 3 and the rear wall 13 cooperate to collect water. A ridge 7 is formed, and the bird entrance 4 is opened at the top.

  In the water reservoir 7, a bottoming material 30 such as zeolite, charcoal, and pebbles is laid down to the vicinity of the water surface so that birds can get down in the water place 6 and drink water.

  On the bottom wall 5, a wild bird nesting place 9 or a plant vegetation place in which soil 8 can be placed adjacent to the pool 7 is provided.

  That is, a nesting site 9 is provided on the bottom wall 5 of the product block 1 adjacent to the water field 6 to provide the water field 6 necessary for nesting and nesting. Alternatively, a vegetation place or a resting place where birds can rest adjacent to the water place 6 is provided.

  For example, as shown in FIG. 5, the hollow space on the bottom wall 5 is divided into a front cavity space on the bird entrance 4 side and a rear cavity space on the ground mountain side, and a nesting site 9 or a vegetation site or a resting area is formed in the front cavity space. Provided, and a water field 6 is provided in the latter-stage cavity space.

  Alternatively, as shown in FIG. 6, a water field 6 is formed on the bottom wall 5 in the cavity 2 of the product block 1, and the bottom in the cavity 2 of another product block 1 adjacent to the side of the product block 1. A nesting site 9 or a vegetation site is provided on the wall 5. In this case, a partition hole between the two cavities 2, that is, a side wall of the product block 1, is provided with a through hole 20 communicating between the two cavities 2, so that wild birds can go back and forth between the water place 6 and the nesting place 9 or the vegetation place. To.

  The through hole 20 is used as a cavity communication hole through which small animals including wild birds such as squirrels, bats, and frogs travel in the cavity 2, and these small animals travel in the retaining wall 11, that is, in the cavity 2, and live in the cavity 2. Let it be used as a house or a resting place. In this case, the bird entrance 4 provided on the front wall of the cavity 2 constitutes an entrance for these small animals, and sets the diameter according to the animals. Moreover, this small animal entrance / exit can be opened in the retaining wall 11, for example, the side wall of the outermost end of the road widening retaining wall 11b, or the top wall (concrete lid 25). In this case, the above-described water field 6 or the water field 6 described below constitutes a small animal water field.

  As shown in FIGS. 1 and 6, the front wall 3 of the cavity 2 with the vegetation plant has a window with a diameter sufficiently larger than that of the bird entrance 4 so that the plants can be irradiated with sunlight and can grow outward. 21 is established and placed.

  Or as shown in FIG. 1, the said vegetation field is provided on the bottom wall 5 in the cavity 2 of the product block 1 adjacent to the lower stage of the cavity 2 which provided the said water field 6, and the cavity 2 which provided this vegetation field is provided. The window 21 is opened on the front wall 3 to be defined. In this case, the waste water from the upper water field 6 can be supplied to the lower vegetation field.

  The water field 6 is provided with water supply means for replenishing it so that constant water is always maintained in the water field 6. For example, as the water supply means, a water draining pipe 10 reaching the cavity 2 from the natural ground behind the retaining wall is provided, and the water draining pipe 10 is opened on the water field 6, that is, on the water pool 7 to replenish water. The configuration.

  A filter 24 containing drainage sand or drainage gravel is provided at the water inlet on the ground mountain side of the drain pipe 10 so that soil is not supplied to the water field 6.

  Or it is set as the structure which pipes the pipe 10 from the drainage groove or drainage basin of the road surface 19 to the said water pool basin 7, and replenishes water.

  Furthermore, by providing a drainage means for keeping the water surface constant in the water field 6, it is possible to allow the birds to descend into the surrounding area of the water field 6 or in the water field 6 and to drink appropriately, and at the same time the water field 6 or the nesting. Prevent flooding at Site 9.

  For example, as shown in FIG. 7 and the like, a drain pipe 22 is raised vertically from the bottom wall 5 of the product block 1 and, as a preferable example, the drain pipe 22 is placed by concrete molding integrally with the bottom wall 5 and the drain pipe. The water of the water field 6 is overflowed from the upper end opening of 22 so as to keep the water surface.

Then, the overflowed drainage is sequentially drained into the cavities 2 of the lower product blocks 1. Accordingly, drain holes 23 ′ are provided on the bottom wall 5 of each lower product block 1, and the front of the lower product block 1 is provided. The structure of discharging to the outside from the drain hole 23 provided in the wall 3 is taken.

  The construction of storing groundwater drainage, rainwater, etc. in the cavity 2 in the retaining wall 11 prevents rainwater and groundwater from flowing all at once, and the retaining wall serves as a so-called mini dam, and also prevents the retaining wall from collapsing.

  As described above, as a road widening method for locally widening a road in a mountainous area or the like so that vehicles can pass each other, the product block 1a is stacked and formed toward the road surface 19 with a certain depression angle α1. When the existing retaining wall 11a is present, a new widening product block 1b is formed on the upper side of the retaining wall 11a, for example, from the middle to the upper side of the retaining wall 11a. For example, a method of stacking vertically to form the widening retaining wall 11b has been implemented as an effective road surface widening method.

  As a preferred embodiment, the water field 6 described above can be formed on the widening retaining wall 11b. That is, a cavity 2 is provided inside the widening product block 1b, and a small-diameter bird inlet / outlet 4 is provided on the front wall 3 of the product block 1b that defines the cavity 2 so that birds enter and exit the cavity 2. The water field 6 is provided on the bottom wall 5 of the product block 1b to be defined.

  As an example, the widening product block 1b includes a front wall 3, left and right side walls 12, a rear wall 13, and a bottom wall 5, and further includes a retaining portion 14 that projects rearward from the bottom wall 5. , 13 and 5 are integrally formed of concrete, and a bottomed box-shaped chamber 16 opened at the upper surface by the front wall 3, the left and right side walls 12, the rear wall 13 and the bottom wall 5 is defined, By stacking the widening product block 1b, the upper open surface 15 is closed by the upper block 1b to form the cavity 2.

  The open surface 15 of the uppermost widening product block 1b is closed with a concrete lid 25, and concrete or asphalt is cast on the upper surface to form a new roadbed 26, which is flush with the existing roadbed 27. Form a roadbed.

  The widening product block 1b is set so that the front-rear width W1 at the lower end and the front-rear width W2 at the upper end satisfy W1 <W2, and the lower end width W1 of each upper widening product block 1b is set at each lower step. It is set to coincide with the upper end width W2 of the widening product block 1b.

Therefore, the front wall 3 (front surface) of each widening product block 1b is made to be continuous substantially vertically so that it rises vertically from the front wall 3 ' of the middle product block 1a forming the existing retaining wall 11a, and the rear wall 13 Is continued at the same angle of inclination α1 as the front wall 3 ' of the product block 1a forming the existing retaining wall 11a, and the load applied to the rear wall 13 of the widening product block 1b is received by the front wall 3 ' of the product block 1a. To make the structure.

  As described above, the water pool 7 is formed at the lower ends of the four side walls of the widening product block 1b that defines the cavity 2. Alternatively, the partition wall 29 is integrally formed with concrete on the bottom wall 5, and the partition wall 29, the front wall 3, and the left and right side walls 12 cooperate, or the front wall 3 and the rear wall 13 cooperate to collect water. A ridge 7 is formed, and the bird entrance 4 is opened at the top.

  Further, a backfilling concrete 17 is placed between the back surface of the rear wall 13 and the natural ground, and the holding portion 14 is embedded in the concrete 17. In the backfill concrete 17, a reinforcing bar 28 connected to the widening product block 1 b is extended and embedded in the concrete 17.

  The left and right end portions of the front wall 3, the rear wall 13 and the bottom wall 5 of each of the widening product blocks 1b project sideways from the left and right side walls 12, and the end surfaces of the projecting portions 18 are adjacent to the left and right widening products. The end face of the projecting portion 18 of the block 1b is abutted.

  Thus, a widening retaining wall 11b that rises with a steep rising angle from the middle of the existing retaining wall 11a constructed with a dip is formed, and the inside of the widening retaining wall 11b, that is, the retaining wall. A cavity 2 is formed in the widening product block 1b forming 11b, and one or a plurality of small-diameter bird entrances 4 through which the birds enter and exit the cavity 2 are formed in the front wall 3 of the product block 1b defining the cavity 2. In addition, the water field 6 is provided on the bottom wall 5 of the product block 1b that defines the cavity 2 so that birds can enter the cavity 2 and drink water from the water field 6 through the bird entrance 4. To do.

  Further, when the drainage cavity 2 does not exist in the retaining wall 11a provided with a certain depression, the widening retaining wall 11b is formed from the overflow water from the drainage pipe 22 provided in the water field 6. It is set as the structure discharged | emitted outward through the drainage hole 23 provided in the front wall 3 of the retaining wall 11b for lowermost width | variety.

The perspective view at the time of providing a water field, a nesting ground, and a vegetation field in the widening retaining wall started up from the middle of the retaining wall provided with the fixed dip as a typical example of this invention. Sectional drawing of the said retaining wall. The perspective view of the product block used for the said retaining wall for widening. The top view of the said product block which provided the water field. The top view of the said product block which provided the water place and the nesting place. The top view of the same product block and retaining wall which provided the water field and the nesting site in the adjacent product block. Sectional drawing of the product block which provided the said water field.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,1a ... Stacking block, 1b ... Widening stacking block, 2 ... Cavity, 3 ... Front wall of widening product block 1b , 3 '... Front wall of loading block 1a, 4 ... Bird doorway, 5 ... Bottom wall, 6 ... Water field, 7 ... Puddle, 8 ... Soil, 9 ... Nesting place, 10 ... Drain pipe, 11, 11a ... Retaining wall, 11b ... Retention wall for widening, 12 ... Left and right side walls, 13 ... Rear wall, 14 ... Reservoir, 15 ... upper open surface, 16 ... chamber, 17 ... concrete, 18 ... overhang, 19 ... road surface, 20 ... passage hole, 21 ... window, 22 ... drain pipe, 23 , 23 ' ... drain hole, 24 ... Filter, 25 ... Concrete lid, 26, 27 ... Roadbed, 28 ... Reinforcing bar, 29 ... Partition wall, 30 ... Bottoming material

Claims (3)

A retaining wall (11a) having a constant depression angle (α1) facing a road surface (19) formed by stacking the product blocks (1a) is provided, and a widening product block (1b) is provided on the upper stage side of the retaining wall (11a). A retaining wall (11) having a widening retaining wall (11b) that is stacked and raised substantially vertically, wherein the widening product block (1b) includes a front wall (3), left and right side walls (12), and a rear wall ( 13) and a bottom wall (5), a bottom wall (5) and a holding part (14) protruding rearward, and the five members (3, 12, 13, 5) are integrally formed of concrete. A bottomed box-shaped chamber (16) opened at the upper surface by the front wall (3), the left and right side walls (12), the rear wall (13) and the bottom wall (5) is defined, and the product for widening is formed. Check closed the upper open side by piling up blocks (1b) and (15) at the upper part of the block (1b) (2) is formed, a cavity diameter of birds doorway birds to and from the (2) (4) provided in the front wall (3) of the widening for product block (1b) defining the cavity (2), A water field (6) or a nesting site (9) is provided on the bottom wall (5 ) of the product block (1b ) that defines the cavity (2), and the rear wall (13) of the widening product block (1b) is further provided. ) Is applied to the rear wall (13) of the widening product block (1b) so as to be continuous at the same depression angle (α1) as the front wall (3 ′) of the product block (1a) forming the retaining wall (11a). A retaining wall characterized in that the structure is configured to receive the cargo at the front wall (3 ') of the product block (1a) . A water field (6) is provided on the bottom wall (5) of the product block (1b) defining the cavity (2), and a water drain pipe (10) from a natural ground behind the widening retaining wall (11b ). the provided, retaining wall of claim 1, wherein said water drain pipe (10), characterized in that a configuration in which refill to the water field (6) caused to open into the cavity (2). A water field (6) is provided on the bottom wall (5) of the product block (1b) that defines the cavity (2), and the drain pipe (22) is connected to the bottom wall (5) of the widening product block (1b). The water in the water field (6) overflows from the upper end opening of the drainage pipe (22), and the overflowed drainage is widened from the drainage hole (23 ') provided in the bottom wall (5) to each lower stage. It is characterized by draining into the cavity (2) of the product block (1b) and draining from the drain hole (23) provided in the front wall (3) of the bottom widening product block (1b). The retaining wall according to claim 1.

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