JP3048518B2 - Seawall, natural stone holding unit assembly, natural stone holding unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a revetment using natural stone, a natural stone holding unit assembly used for the revetment, and a natural stone holding unit.

[0002]

2. Description of the Related Art As a method of revetment, there is a steep slope emptying method. In this steep stowage method, the mason is to pile up one natural stone by hand and stuff the stone between the stones. Be completed.

[0003]

However, in the above-mentioned construction method, not only takes a very long time to implement, but also a place where flowing water is strong, a place where the seawall is high (for example, when the seawater exceeds 2 m) and the like. Then, natural stone becomes unstable, and it becomes difficult to enforce itself.

[0004] The present invention has been made in view of the above circumstances, the first object is to use natural stone,
It is to provide a revetment with improved enforceability. A second object is to provide a natural stone holding unit assembly used for the revetment. A third object is to provide a natural stone holding unit used for the revetment.

[0005]

In order to achieve the first object, according to the first aspect of the present invention, a plurality of natural supports are provided on a plate-like holding member having a plurality of eyes on a seawall. A plurality of natural stone holding units in which stones are integrally held and a frame is provided on a peripheral portion of the holding body are laid in an adjacent state, and in each of the natural stone holding units, the frame is substantially L-shaped in cross section. While the peripheral part of the holder is supported on one side bent part of the angle material, the other side bent part of the angle material is separated from the peripheral part of the holder. The plurality of natural stone holding units are erected on the side of the plurality of natural stones, and between the adjacent natural stone holding units, via the other side bent portion of the frame body facing the adjacent natural stone holding units. A revetment that is connected And Aru.

[0006] To achieve the first object, a second aspect is provided.
According to the invention, a plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes on a seawall, and a frame is provided on a peripheral portion of the holding body. A plurality of stone holding units are laid in an adjacent state, and the plurality of natural stone holding units are connected to each other between adjacent natural stone holding units via a frame of the adjacent natural stone holding units. Of the natural stone holding units,
At least one of the natural stone holding unit at the lower position and the natural stone holding unit at the upper position is connected to the revetment slope via a frame body. Preferred embodiments of the invention of claim 2 are as described in claim 3.

[0007] In order to achieve the second object, a fourth aspect is provided.
According to the invention, a plurality of natural stone holding units are provided, in which a plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes, and a frame is provided at a peripheral portion of the holding body. In each of the natural stone holding units, the frame body is substantially L-shaped in cross section.
While the peripheral part of the holder is supported on one side bent part of the angle material, the other side bent part of the angle material is separated from the peripheral part of the holder. The plurality of natural stone holding units are erected on the side of the plurality of natural stones, and the plurality of natural stone holding units are connected to each other via the other side bent portion of a frame body facing each of the natural stone holding units. And a natural stone holding unit assembly.

[0008] In order to achieve the third object, claim 5
In the invention, a plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes, and a frame is provided at a peripheral portion of the holding body, and the frame has a cross section substantially L While the peripheral part of the holder is supported on one side bent part of the angle material, the other side bent part of the angle material is separated from the peripheral part of the holder. The natural stone holding unit is provided upright on the side of the plurality of natural stones. Preferred embodiments of the invention according to claim 5 are as described in claims 6, 7, and 16.
The configuration is as follows.

[0009] In order to achieve the third object, an eighth aspect is provided.
In the invention, a plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes, and a frame is provided on a peripheral portion of the holding body, and a connection element is provided on the frame. The configuration is a natural stone holding unit that is provided. Preferred embodiments of the invention of claim 8 are as described in claims 9 to 15.

[0010]

According to the first aspect of the present invention, a plurality of natural stones can be arranged on the seawall slope only by laying the natural stone holding unit on the seawall slope. A plurality of natural stones can be quickly and easily transported on a slope. Moreover, the natural stone on the revetment slope is held integrally with the holder, and the holder is held on the revetment slope based on the weight of the natural stone holding unit, and the natural stone on the revetment slope is removed. Not only can it not be washed away or fall down, but also based on the fact that multiple natural stone holding units are connected to each other, each holding body is more strongly held on the revetment slope, The outflow and rolling down of natural stones can be more reliably prevented. For this reason, when constructing the revetment, the workability can be improved while using natural stone. Further, the frame of the natural stone holding unit (an angle material having a substantially L-shaped cross section) facilitates the connection between adjacent natural stone holding units based on the other bent portion, thereby connecting the natural stone holding units. The work can be speeded up, and the holding body can be properly held by the frame body (an angle member having a substantially L-shaped cross section) to reinforce the holding body, thereby increasing the strength of the natural stone holding unit. .

According to the second aspect of the present invention, a plurality of natural stones can be disposed on the seawall by simply laying the natural stone holding unit on the seawall. The transport of a plurality of natural stones upward can be performed quickly and easily. Moreover, the natural stone on the revetment slope is held integrally with the holder, and the holder is held on the revetment slope based on the weight of the natural stone holding unit, and the natural stone on the revetment slope is removed. Not only can it not be washed away or fall down, but also based on the fact that multiple natural stone holding units are connected to each other, each holding body is more strongly held on the revetment slope, Outflow of natural stones, rolling down, etc.
It can be prevented more reliably. For this reason, when constructing the revetment, the workability can be improved while using natural stone. In addition, the frame of the natural stone holding unit facilitates the connection between the adjacent natural stone holding units, thereby speeding up the connection work between the natural stone holding units, and reinforcing the holding body to hold the natural stone. The strength of the unit can be increased. Furthermore, among the plurality of natural stone holding units, at least one of the natural stone holding unit at the lower position and the natural stone holding unit at the upper position is connected to the seawall slope via the frame, so that the seawall slope is provided. Therefore, the holding of the plurality of natural stone holding units with respect to the above can be further enhanced, and the workability can be further improved.
Furthermore, since the holding of the plurality of natural stone holding units on the seawall slope is further enhanced, the seawall can be reliably maintained for a long time.

According to the third aspect of the present invention, the frame body and the seawall slope are provided with an end concrete provided on the seawall slope and the end concrete and the frame body. The above-mentioned claim 2 is connected through an anchor straddling the space.
The same operation and effect as described above can be specifically obtained.

According to the fourth aspect of the present invention, a plurality of natural stone holding units can be connected to each other to provide an arbitrary-sized one at the time of laying work. Therefore, the degree of freedom and workability of the laying work can be improved. Of course, each natural stone holding unit is provided with a frame, so that the strength as an assembly is ensured.

According to the fifth aspect of the present invention, a plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes, and a frame is provided on a peripheral portion of the holding body. The frame body is an angle member having a substantially L-shaped cross section, and the peripheral portion of the holder is supported on one side bent portion of the angle member, while the other side bent portion of the angle member is supported. Is erected on the side of the plurality of natural stones from the periphery of the holding body, so that it is used as a natural stone holding unit in the revetment of claim 1 described above, and the same operation and effect as in claim 1 are obtained. You can do it.

According to the sixth aspect of the present invention, since the frame is provided around the entire periphery of the holder, it is possible to easily connect adjacent natural stone holding units, and The strength of each natural stone holding unit can be sufficiently secured.

According to the seventh aspect of the present invention, since the frame and the holding body are rectangular and the natural stone holding unit is rectangular, the natural stone holding unit is placed on the seawall slope. Can be laid accurately without any gaps, and the workability of laying the natural stone holding unit can be improved.

According to the eighth aspect of the present invention, a plurality of natural stones are integrally held on a plate-like holding member having a plurality of eyes, and a frame is provided on a peripheral portion of the holding member. Therefore, it is used as a natural stone holding unit for the revetment of claim 1 described above, and the same effect as that of claim 1 can be obtained. In addition, since the connecting element is provided on the frame, the connecting element can be used for connecting the natural stone holding units or between the natural stone holding unit and the seawall, and the connecting operation is performed quickly and easily. You can do it.

According to the ninth aspect of the present invention, since the connecting element is a mounting hole, a bolt or the like is inserted through the mounting hole to connect the natural stone holding units or the natural stone holding unit and the seawall protection method. The surface and the surface can be connected, and the same operation and effect as in the eighth aspect can be specifically obtained.

According to the tenth aspect of the present invention, since the connecting element is a seawall fixing anchor, the natural stone holding unit and the seawall slope can be connected using the seawall fixing anchor. Thus, the same operation and effect as those of the eighth aspect can be specifically obtained.

According to the eleventh aspect of the present invention, since the frame body is made of an iron-based metal, it is difficult to connect the natural stone holding units and to reinforce each natural stone holding unit due to its strength and the like. Will work effectively.

According to the twelfth aspect of the present invention, the frame is an angle member having a substantially L-shaped cross section, and a peripheral portion of the holder is supported on one side bent portion of the angle member. Since the bent portion on the other side of the angle material projects upward, the holding member can be accurately held by the angle material, while the angle material projecting upward in the connection between the natural stone holding units. Effective use of the other side bent part of
The connection work can be performed without interference.

According to the thirteenth aspect of the present invention, since the holding body is made of metal and the frame body is made of iron-based metal, and the periphery of the holding body is welded to the frame body, Since the holding body and the frame are integrated, the strength of the holding body can be surely increased, and the work such as laying can be improved to further enhance the workability.

According to the fourteenth aspect of the present invention, the frame body is an angle member having a substantially L-shaped cross section, and the peripheral portion of the holder is welded to one side bent portion of the angle member. From this, not only the holding body and the frame body are integrated, but also the other side bent portion of the angle material surrounds the circumference of the holding body,
It is possible to prevent the peripheral edge (edge, tip, etc.) of the plate-shaped holding body from being exposed to the outside. For this reason, the handling of the holder and the like during the transportation and laying work can be facilitated, and the workability can be improved.

According to the fifteenth aspect of the present invention, since the holding body is made of a metal net, the metal net is also made of metal, and the same operation and effect as those of the thirteenth and fourteenth aspects can be specifically obtained. Can be done.

According to the sixteenth aspect of the present invention, since the plurality of eyes of the holding body are meshes or meshes,
The support can be easily applied to the revetment slope, and the external force and impact acting on the natural stone can be properly absorbed by the support having a mesh or mesh, and the natural stone can be separated from the support. Can be prevented.

[0026]

Embodiments of the present invention will be described below with reference to the drawings. River revetment 1 according to the present embodiment
4 is provided with a plurality of natural stone holding units a as shown in FIGS. In each natural stone holding unit a, as shown in FIGS. 5 and 6, a wire netting 3 as a holding body is horizontally held in a frame 2, and the surface of the wire netting 3 is naturally covered with an adhesive such as an epoxy resin. Stone 5 is glued.

In the present embodiment, the frame 2 is formed as a rectangular (square in this embodiment) frame, and the frame 2 is formed using a steel angle as an iron-based metal. As shown in FIG. 3, FIG. 3, FIG. The frame 2 has one side bent portion 2a.
Constitutes a receiving surface of the peripheral portion of the wire mesh 3, the other side bent portion 2b projects upward, and the other side bent portion 2b has a mounting hole at an appropriate position on each side. A through hole 12 is formed. Of course, the frame 2 may be made of a rigid plastic concrete instead of a steel angle.

The wire mesh 3 is formed in a rectangular shape corresponding to the frame 2, and the wire mesh 3 has a plurality of meshes. As shown in FIGS. 3 to 5, the peripheral edge of the wire mesh 3 is a one-side bent portion 2 of the frame 2.
In this case, the periphery of the wire mesh 3 is fixed to the one-side bent portion 2a by placing or welding, bonding, or the like. As a matter of course, instead of the wire mesh 3, a synthetic resin net or wire may be stretched horizontally in the frame 2 to form a mesh or mesh as a plurality of eyes.

As the natural stone 5, not only cobblestone but also broken stone without shaping is used.
The diameter is about 100 to 500 mm. A plurality of such natural stones 5 are prepared, and the plurality of natural stones 5 are
In the present embodiment, it is adhered to the wire net 3 so as not to protrude from the peripheral edge of the frame 2.

The plurality of natural stone holding units a are shown in FIG.
~ As shown in Fig. 3, the revetment slope 14a of the river revetment 14
(In FIG. 3, the seawall slopes 14a and the like are not shown.) A plurality of the seawalls are piled up sequentially from the lower stage to the upper stage, and are laid in an adjacent state on the seawall slope 14a. The plurality of natural stone holding units “a” insert the bolts 6 into the through holes 12 between the adjacent upper, lower, left and right frame bodies 2,
By screwing a nut 13 to the bolt 6, the nuts 13 are connected to each other.
Are integrated.

In this case, when the masonry height of the frame 2 exceeds 2 m, the foundation concrete 7 is cast on the lower bottom of the river bank 14 as shown in FIG. As shown in FIG. 3, an anchor 8 extending from a lower portion of the frame 2 at a lower position through a through hole 12 is buried in the foundation concrete 7, whereby the base concrete 7 is provided under the river bank 14. The frame 2 of the natural stone holding unit a is to be fixed to the bottom via a foundation concrete 7.

In the above case, as shown in FIG. 1, a top-end concrete 9 is cast on the river revetment 14. As shown in FIG. 3, an anchor 10 extending from the frame 2 at the upper position is attached to the top end concrete 9.
Is embedded, whereby the frame 2 of the natural stone holding unit a is fixed to the upper part of the river bank 14 via the top end concrete 9. In this case, in the present embodiment, the anchors 10 are respectively attached to a plurality of mounting brackets 20, and the plurality of mounting brackets 20 are attached to the frame 2 in the width direction of the frame 2 ( In FIG. 3, a bolt 6 and a nut 13 are attached at predetermined intervals in a direction perpendicular to the paper surface.

As shown in FIG. 1, a suction prevention member 11 is interposed between the plurality of natural stone holding units a and the seawall slope 14a, and the suction prevention member 11 is disposed on the seawall slope 14a. Is laid. The suction-prevention member 11 prevents earth and sand from flowing out of the gap between the natural stones 5.

The wire mesh 3 and the frame (steel angle) 2
It is preferable to use a zinc-plated or zinc-aluminum-plated material having excellent durability.

Therefore, the seawall 14 can be constructed with a natural stone-sand masonry structure, and plants can naturally grow on the seawall 14 to form fish nests. By laying the natural stone holding unit a on the surface 14a, a plurality of natural stones 5 can be arranged on the revetment slope 14a. Utilization of this method makes it possible to quickly and easily transport a plurality of natural stones 5 onto the revetment slope 14a.

In this case, if some of the natural stone holding units a are connected and used as an arbitrary size, the degree of freedom and workability of the laying work can be improved. Of course, at this time, since the frame 2 is provided on the entire peripheral portion of each natural stone holding unit a, the strength as an assembly is ensured.

At the time of construction, each natural stone 5 on the revetment slope 14a is adhered to the wire mesh 3, and the wire mesh 3 is placed on the revetment slope 14a based on the weight of the natural stone holding unit a. In addition to preventing the natural stones 5 on the revetment slope 14a from being washed away or falling down, the plurality of natural stone holding units a are connected to each other, Even when the holding unit a is more strongly held on the revetment slope 14a, the outflow and rolling down of the natural stone 5 on the revetment slope 14a are to be prevented. For this reason, when constructing the revetment 14, the workability can be improved while using the natural stone 5.

Further, in the present embodiment, in addition to the connection between the frames 2, the natural stone holding unit a at the lower position and the natural stone holding unit a at the upper position among the plurality of natural stone holding units a are: Frame 2, anchor
The revetment slope 14a is connected to the revetment slope 14a via 10, and the holding of the plurality of natural stone holding units a on the revetment slope 14a is to be further enhanced.

In this case, the frame 2 of each natural stone holding unit a used for the construction of the revetment 14 facilitates the connection between the adjacent natural stone holding units a to make the natural stone holding unit a
In addition to speeding up the connection work between them, the wire net 3 is reinforced and the strength of the natural stone holding unit a is increased. In particular, in the present embodiment, since the frame body 2 is a steel angle member having a substantially L-shaped cross section, the one-side bent portion 2a
In the connection between the natural stone holding units a, the other side bent portion 2b protruding upward can be effectively used, and the connection operation can be performed without interference. Can be performed.

Further, in the present embodiment, since the through holes 12, the bolts 6, the anchors 8, 10 are provided as connecting elements, they can be connected to each other by the natural stone holding units a.
Alternatively, it can be used for connecting the natural stone holding unit a and the seawall slope 14a, and the connecting operation can be performed quickly and easily.

Although the embodiment has been described above, the present invention can be applied not only to a steep gradient (for example, 45 degrees or more) but also to a gradient other than a steep gradient.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a steep river revetment according to an embodiment.

FIG. 2 is a plan view of a steep river embankment according to the embodiment;

FIG. 3 is an explanatory diagram showing the river revetment of FIG. 1 in detail.

FIG. 4 is an enlarged sectional view taken along line AA of FIG. 2;

FIG. 5 is a plan view showing a natural stone holding unit used for river bank protection according to the embodiment.

FIG. 6 is a side view of FIG. 5;

[Explanation of symbols]

 2 Frame 2a One side bent part 2b The other side bent part 3 Wire mesh 5 Natural stone 7 Basic concrete 8 Anchor 9 Top end concrete 10 Anchor 12 Through hole 14 River revetment 14a Revetment slope a Natural stone Holding unit

Claims (16)

(57) [Claims] 1. A natural stone holding device in which a plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes on a seawall slope, and a frame is provided on a peripheral portion of the holding body. The unit is
In the adjacent state , a plurality of frames are laid, and in each of the natural stone holding units, the frame is substantially
An L-shaped angle member is formed, and one side of the angle member is folded.
While the peripheral portion of the holder is supported on the curved portion,
The other side bent portion of the angle material is formed from the peripheral portion of the holding body.
The plurality of natural stone holding units are erected on the side of a plurality of natural stones, and the plurality of natural stone holding units are connected to each other via the other side bent portion of the frame body between the adjacent natural stone holding units. A revetment characterized by that. 2. A natural stone holding device in which a plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes on a revetment slope, and a frame is provided on a peripheral portion of the holding body. The unit is
A plurality of natural stone holding units are laid in an adjacent state, and the plurality of natural stone holding units are connected to each other via a frame between the adjacent natural stone holding units. Among them, at least one of the natural stone holding unit at the lower position and the natural stone holding unit at the upper position is connected to the seawall slope via a frame body. 3. The seawall and the seawall slope according to claim 2, wherein the end concrete provided on the seawall slope and a space between the end concrete and the frame. A seawall connected with an anchor. 4. A plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes, and a frame is formed on a peripheral portion of the holding body .
It has a plurality of provided natural stone holding units, and in each of the natural stone holding units, the frame has a substantially cross-sectional shape.
An L-shaped angle member is formed, and one side of the angle member is folded.
While the peripheral portion of the holder is supported on the curved portion,
The other side bent portion of the angle material is formed from the peripheral portion of the holding body.
Standing on a plurality of natural stone sides, the plurality of natural stone holding units are connected to each other via the other side bent portion of the facing frame of each natural stone holding unit, Natural stone holding unit assembly. 5. A plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes, and a frame is provided on a peripheral portion of the holding body, and the frame is substantially L-shaped in cross section. Angle material,
The peripheral portion of the holding body is supported on one side bent portion of the glue material.
While the other bent portion of the angle material is
A natural stone holding unit , which stands on the side of the plurality of natural stones from a peripheral edge of the natural stone holding unit. 6. The natural stone holding unit according to claim 5, wherein the frame is provided all around the holding body. 7. The natural stone holding unit according to claim 6, wherein the frame and the holder are rectangular. 8. A plurality of natural stones are integrally held on a plate-like holding body having a plurality of eyes, a frame is provided on a peripheral portion of the holding body, and a connection element is provided on the frame. A natural stone holding unit, characterized in that: 9. The natural stone holding unit according to claim 8, wherein the connecting element is a mounting hole. 10. The natural stone holding unit according to claim 8, wherein the connecting element is a seawall fixing anchor. 11. The natural stone holding unit according to claim 8 , wherein the frame is made of an iron-based metal. 12. The angle member according to claim 11, wherein the frame is an angle member having a substantially L-shaped cross section, and a peripheral portion of the holder is supported on one side bent portion of the angle member. A natural stone holding unit, characterized in that the other side bent part of the natural stone is protruded upward. 13. The holding body according to claim 8 , wherein the holding body is made of a metal, the frame body is made of an iron-based metal, and a peripheral edge of the holding body is welded to the frame body. A natural stone holding unit, characterized in that: 14. The frame according to claim 13, wherein the frame is an angle member having a substantially L-shaped cross section, and a peripheral portion of the holder is welded on one side bent portion of the angle member. A natural stone holding unit. 15. The natural stone holding unit according to claim 13, wherein the holding body is a wire mesh. In any one of claims 16] claims 5-7, a plurality of eyes of said retaining member is a mesh or mesh, natural stone holding unit, characterized in that.