JP2015158096A - Gabion and foot protection method using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gabion capable of being expanded in a curved shape, and a foot protection method using the same.SOLUTION: In a gabion, at least two compartments, which each include a first partition wall, a first side wall having one end connected to one end of the first partition wall, a second partition wall having one end connected to the other end of the first side wall, and a second side wall having one end connected to the other end of the second partition wall and having the other end connected to the other end of the first partition wall, continue. The length of the first side wall from the one end of the first partition wall to the one end of the second partition wall is greater than the length of the second side wall from the other end of the second partition wall to the other end of the first partition wall.

Description

    The present invention relates to a gabion and a root hardening method using a gabion.

  A gabion is filled with rocks, stones, quarry stones, etc., and is used for, for example, revetment or river water flow control. The following technologies are known as gabion used in civil engineering projects.

  Patent Document 1 relates to a gabion made of a network structure panel that is rotatably connected, and at least partially lining the inside of the cage with a flexible sheet material, so that the types of ballast materials (fillers) are widened. It is shown.

  Patent document 2 relates to a gabion having a large number of compartments, and shows a gabion that can be recovered because at least one of the pivotable connecting portions of the side wall and the partition wall of the gabion can be released.

Japanese Patent No. 3091481 Japanese Patent No. 4914452

  However, the gabions as shown in Patent Document 1 and Patent Document 2 have a structure that expands in a straight line and cannot be expanded in a curvilinear shape, and thus have a problem of limited use. For example, since a pile used for a building foundation or the like is usually cylindrical, it has been difficult to use a linear gabion to solidify the pile.

  The present invention has been made in consideration of the above-described problems, and an object thereof is to provide a gabion that can be developed in a curved shape and a root hardening method using the gabion.

  The gabion according to the present invention includes a first partition wall, a first side wall having one end connected to one end of the first partition wall, and a second end connected to the other end of the first side wall. There are at least two or more compartments including a partition wall and a second side wall having one end connected to the other end of the second partition wall and the other end connected to the other end of the first partition wall. The length of the first side wall from the one end of the first partition wall to the one end of the second partition wall is continuous from the other end of the second partition wall to the first partition wall. It is longer than the length of the said 2nd side wall until it reaches the other end part. With this configuration, a gabion that can be developed in a curved shape can be obtained.

  It is preferable that at least one of the first partition wall and the second partition wall is shared between the adjacent compartments, or exists independently for each compartment.

  Preferably, a backing material is present on the first side wall, and no backing material is present on the second side wall.

  Preferably, at least one of the first side wall and the second side wall includes two or more side wall elements.

  The first side wall is preferably connected to the first side wall or the second side wall of the adjacent compartment.

  The second side wall is preferably connected to the first side wall or the second side wall of the adjacent compartment.

  It is preferable that at least one of the first partition wall and the second partition wall has a slide mechanism that can slide with the adjacent compartment.

  The root hardening method according to the present invention is characterized in that the gabion is used.

  According to the present invention, the length of the first side wall from the one end of the first partition wall of the gabion compartment to the one end of the second partition wall is determined from the other end of the second partition wall. By making it longer than the length of the second side wall up to the other end of the first partition wall, a gabion that can be developed in a desired direction can be obtained. Furthermore, according to the present invention, a root hardening method using the gabion can be provided.

FIG. 1A is a perspective view of a gabion according to the first embodiment of the present invention. FIG. 1B is a plan view of a gabion according to the first embodiment of the present invention. FIG. 2 is a perspective view showing the connecting portion of FIG. FIG. 3A is a perspective view of a gabion according to the second embodiment of the present invention. FIG. 3B is a plan view of a gabion according to the second embodiment of the present invention. Fig.4 (a) is a schematic plan view of the gabion shown in FIG.3 (b) in the form when partially folded. FIG.4 (b) is a schematic plan view of the gabion shown in FIG.3 (b) in the form when fully folded. FIG. 5 is a plan view of a gabion according to the third embodiment of the present invention. FIG. 6A is a side view of a gabion according to the fourth embodiment of the present invention. FIG. 6B is a plan view of a gabion according to the fourth embodiment of the present invention.

  The gabion according to the present invention includes a first partition wall, a first side wall having one end connected to one end of the first partition wall, and a second end connected to the other end of the first side wall. There are at least two or more compartments including a partition wall and a second side wall having one end connected to the other end of the second partition wall and the other end connected to the other end of the first partition wall. The length of the first side wall from the one end of the first partition wall to the one end of the second partition wall is continuous from the other end of the second partition wall to the first partition wall. Longer than the length of the second side wall up to the other end.

  The gabion according to the present invention has a length of the first side wall from one end of the first partition wall of the compartment to one end of the second partition wall, and the length of the first side wall from the other end of the second partition wall. By making it longer than the length of the second side wall up to the other end of the first partition wall, a gabion that can be developed in a desired direction can be obtained.

  FIG. 1A is a perspective view of a gabion 1 according to the first embodiment of the present invention. As shown in FIG. 1A, the first partition wall 31 and the first side wall 32 are connected to one end 31 a of the first partition wall 31 and one end 32 a of the first side wall 32. The first side wall 32 and the second partition wall 33 are connected by the other end portion 32 b of the first side wall 32 and the one end portion 33 a of the second partition wall 33. The second partition wall 33 and the second side wall 34 are connected to each other at the other end 33 b of the second partition wall 33 and one end 34 a of the second side wall 34. The second side wall 34 and the first partition wall 31 are connected by the other end 34 b of the second side wall 34 and the other end 31 b of the first partition wall 31. The partition chamber 30 is configured by connecting the first partition wall 31, the first side wall 32, the second partition wall 33, and the second side wall 34 as described above. Further, the length L1 of the first side wall from the one end 31a of the first partition wall 31 to the one end 33a of the second partition wall 33 is equal to the first partition wall from the other end 33b of the second partition wall 33. It is configured to be longer than the length L2 of the second side wall 34 up to the other end 31b of 31.

  FIG. 1B is a plan view of the gabion 1 according to the first embodiment of the present invention. The compartment 10, the compartment 20, the compartment 30, the compartment 40, the compartment 50, and the compartment 60 (hereinafter may be referred to as compartments 10 to 60) are connected continuously. Further, the first partition wall 11 of the compartment 10 and the second partition wall 63 of the compartment 60 located at both ends of the gabion 1 are between one end 11a and one end 63a, and the other end 11b and the other end 63b. Connected between. As shown in FIG. 1B, the gabion 1 is configured such that the first side wall length L1 is longer than the second side wall length L2, so that the compartments 10 to 60 are developed in a substantially circular shape. can do. Thereby, the substantially cylindrical space S can be secured, and for example, it can be suitably used for rooting of a cylindrical steel pipe pile used for a foundation of a structure or the like. In that case, the dimensions of the L1 and L2 may be changed or the number of the compartments may be increased or decreased depending on the shape of the steel pipe pile or the like to be used.

  As shown in FIGS. 1A and 1B, the compartment 30 shares the first partition wall 31 with the adjacent compartment 20, and the adjacent compartment 40 and the second partition wall 33 are shared. Sharing. Thus, the gabion 1 may share a partition wall between adjacent compartments (for example, the compartment 20 and the compartment 30 and the compartment 30 and the compartment 40). Moreover, like the 1st partition wall 11 and the 2nd partition wall 63, a partition wall may exist independently for every compartment. In the case where a slide mechanism to be described later is not provided, a configuration in which the partition wall is shared between adjacent compartments is preferable from the viewpoint of cost. In addition, the first partition wall 11 of the compartment 10 located at both ends of the gabion 1 and the second partition wall 63 of the compartment 60 may not be connected from the viewpoint of carrying before the gabion 1 is installed. preferable. However, when installing the gabion 1, the first partition wall 11 and the second partition wall 63 located at both ends are usually connected and used.

  Although not shown in FIG. 1A and FIG. 1B, the compartments 10 to 60 of the gabion 1 are filled with a filler. The filler may be selected from available materials. For example, sand, soil, soil, stone, rock, concrete, and a combination of two or more of these can be used.

  Although not shown in FIGS. 1A and 1B, a backing material is provided in the compartments 10 to 60 of the gabion 1 to prevent the filler from leaking before the filler is filled. You can also. Specifically, leakage of the filler can be prevented by providing a backing material on the first side wall such as the first side wall 32. Therefore, it is preferable that a backing material is present on the first side wall. Further, when the gabion 1 is used for hardening the steel pipe pile, the steel pipe pile is located in the space S. In this case, if the backing material is not provided on the second side wall such as the second side wall 34 that is in contact with the space S, the filler is likely to leak from the second side wall, and as a result, the filler is likely to adhere to the steel pipe pile surface. . Therefore, when used as the root hardening, it is preferable that no backing material exists on the second side wall in contact with the space S. Moreover, you may provide a lining material in the 1st partition wall and the 2nd partition wall, such as the 1st partition wall 31 and the 2nd partition wall 33, as needed. The backing material is not particularly limited as long as it can prevent the leakage of the filler material. For example, a geotextile made of a material such as woven or non-woven synthetic material, glass fiber, sisal hemp, jute, or coconut peel is used. Can be used. For example, the geotextile can be folded at the top of the gabion 1 and stapled in place.

  Side walls of the gabion 1 such as the first side wall 32 and the second side wall 34 and partition walls such as the first partition wall 31 and the second partition wall 33 are made of steel, aluminum, titanium, other metals, or alloys thereof; Preferably it consists of one or more panels made of natural materials such as wood, sisal, jute, coconut skin or seaweed; plastic or ceramic. Usually, steel is desirable, but in the case of steel, it is preferable to perform a corrosion resistance treatment. The panel may be a closed panel, but a mesh-like panel is preferable from the viewpoint of connection. In the case of a closed panel, an opening may be provided and connected to the end of the panel by a method such as machining. Moreover, although not shown in figure, you may provide the wall which consists of the said panel in at least one of the upper part of the said compartment, and the lower part as needed.

  FIG. 2 is a detailed perspective view of the connecting portion between the first partition wall 31 and the first side wall 32 of the gabion 1. For convenience of drawing, the first side wall 22 of the compartment 20 is omitted in the figure, but is connected in the same manner as the first partition wall 31 and the first side wall 32 by the method shown in FIG. For the sake of convenience, the first partition wall 31 and the first side wall 32 are shown as being connected in a straight line. As shown in FIG. 2, the first partition wall 31 and the first side wall 32 are composed of a net having an opening 7. Between the first partition wall 31 and the first side wall 32, the mesh opening 7 is spirally connected through the coil 8. Also, although not shown in FIG. 2, the free end 9 of the coil 8 is bent or otherwise prevented from being removed. In addition, not only between the 1st partition wall 31 and the 1st side wall 32, but other connection parts, for example, the connection of the 1st side wall 22 and the 1st partition wall 31, the 2nd partition wall 33, the 2nd side wall 34, etc. The parts are also connected by the same method. The connection member is not particularly limited, and a stainless steel clasp, a steel ring clasp, or the like can be used. However, a coil spring in which the connection portion is rotatable is preferable. Further, the connecting member may be openable from the viewpoint of collecting the gabion 1.

  FIG. 3A is a perspective view of a gabion 2 according to the second embodiment of the present invention. In the figure, the same components as those in FIG. 1A are denoted by the same reference numerals, and the description thereof is omitted. As shown in FIG. 3A, the first side wall 32 of the gabion 2 is composed of a side wall element 32A and a side wall element 32B, and the second side wall 34 is composed of a side wall element 34A and a side wall element 34B. The side wall element 32A and the side wall element 32B are connected at the bent portion 32c, and the side wall element 34A and the side wall element 34B are connected at the bent portion 34c. Furthermore, the length L1 of the first side wall from the one end 31a of the first partition wall 31 to the one end 33a of the second partition wall 33 (the distance from the one end 31a to the bent portion 32c + one end from the bent portion 32c) The distance to the portion 33a) is the length L2 of the second side wall 34 from the other end portion 33b of the second partition wall 33 to the other end portion 31b of the first partition wall 31 (from the other end portion 33b to the bent portion 34c). Distance + distance from the bent portion 34c to the other end portion 31b). In the drawing, the side wall element 34A and the side wall element 32A are shown in the same shape as the side wall element 34B and the side wall element 32B, but they may have different shapes.

  FIG. 3B is a plan view of the gabion 2 according to the second embodiment of the present invention. In the figure, the same components as those in FIG. 1B are denoted by the same reference numerals, and the description thereof is omitted. As shown in FIG. 3B, the gabion 2 has the first side wall length L1 configured to be longer than the second side wall length L2, so that the compartments 10 to 60 are developed in a substantially circular shape. can do.

  As shown in FIGS. 3 (a) and 3 (b), the gabion 2 includes a first side wall 32 and a second side wall 34, which are respectively composed of a side wall element 32A and a side wall element 32B, and a side wall element 34A and a side wall element 34B. Thus, the first side wall 32 and the second side wall 34 may each be composed of two or more side wall elements. From the viewpoint of folding the gabion 2 (details will be described later), at least one of the first side wall 32 and the second side wall 34 is preferably composed of two or more side wall elements. It is more preferable that the first side wall 32 and the second side wall 34 are each composed of two or more side wall elements like the gabion 2.

  When installing the gabion 2, it is preferable to use the bent portion 34 c existing on the second side wall 34 by folding it into the compartment 30 side. Thereby, as shown in FIG.3 (b), substantially cylindrical space S can fully be ensured, for example, it uses suitably for the solidification of the cylindrical steel pipe pile used for the foundation etc. of a structure. Can do. Further, the shape of the space S can be changed to a desired shape by changing the folding angle of the bent portion 34c.

  In the bent portion 32c and the bent portion 34c, the side wall element 32A and the side wall element 32B, and the side wall element 34A and the side wall element 34B are connected by the coil 8 shown in FIG. Although a connection member is not specifically limited, The coil spring from which a connection part becomes rotatable is preferable. Further, the connecting member may be openable.

  FIG. 4A is a schematic plan view when the gabion 2 according to the present invention is partially folded. As for the gabion 2, the bending part 32c and the bending part 34c are folded in the compartment 30 side.

  FIG. 4B is a schematic plan view when the gabion 2 according to the present invention is completely folded. As for the gabion 2, the bending part 32c and the bending part 34c are folded in the compartment 30 side.

  As shown in FIGS. 4A and 4B, the gabion 2 can be folded like a hand-style koto. The bent portion 32c and the bent portion 34c may be folded toward the compartment 30 side or folded outward. From the viewpoint of storage, it is preferable to fold into the compartment 30 side in order to reduce the area after folding.

  FIG. 5 is a plan view of a gabion 3 according to the third embodiment of the present invention. In the figure, the description of the same components as those in FIG. Specifically, in the figure, the compartments 10 to 130 are composed of the same components as the compartments 10 to 60 in FIG. 1B, but the compartment 30 and the compartment 100 are adjacent to each other. 1 is different from FIG. 1B in that it is connected in a different direction.

  As shown in FIG. 5, the first side wall 32 of the compartment 30 of the gabion 3 is connected to the second side wall 24 and the second side wall 44 of the adjacent compartment 20 and compartment 40. As described above, the first side wall is not necessarily connected to the first side wall of the adjacent compartment, and may be connected to the second side wall of the adjacent compartment.

  Further, as shown in FIG. 5, the second side wall 34 of the compartment 30 of the gabion 3 is connected to the first side wall 22 and the first side wall 42 of the adjacent compartment 20 and compartment 40. Thus, the second side wall is not necessarily connected to the second side wall of the adjacent compartment, and may be connected to the second side wall of the adjacent compartment.

  Thus, the gabion 3 may include a compartment connected in a different direction from the other compartments. Thereby, the gabion 3 can be developed into a substantially elliptical shape. Further, by increasing or decreasing the number of compartments connected in different directions, it is possible to realize a gabion that can be developed into a desired shape, not limited to a substantially elliptical shape.

  FIG. 6A is a side view of the gabion 4 according to the fourth embodiment of the present invention. In the figure, the same components as those in FIG. 3A are denoted by the same reference numerals, and the description thereof is omitted. The compartment 30 is connected to the compartment 20 by a slidable slide mechanism (not shown), and is installed by sliding in the vertical direction. Further, the compartment 40 is connected to the compartment 30 by a slide mechanism (not shown) and is slid in the vertical direction.

  FIG. 6B is a plan view of the gabion 4 according to the fourth embodiment of the present invention. In the figure, the same components as those in FIG. 3B are denoted by the same reference numerals, and the description thereof is omitted. As shown in FIG.6 (b), all the partition rooms (partition chambers 10-60) of the gabion 4 have a partition wall independently for every partition (for example, the 1st partition wall 31 and 2nd). Partition wall 23). In the same figure, a slide mechanism is attached to the black circle. Thus, the gabion 4 can be suitably used even in places where the topography is complicated, such as the seabed, by having a slide mechanism. The slide mechanism is not particularly limited as long as it can slide. For example, a slide rail can be used. In addition, the slide mechanism is not necessarily provided on both the first partition wall and the second partition wall, but can be provided on at least one partition wall, and is preferably provided on both. The sliding direction is not limited to the vertical direction, and a sliding mechanism that can slide in various directions may be provided as necessary.

  Furthermore, since the space S on the substantially cylindrical or substantially elliptical column exists in the gabions 1 to 4 according to the present invention, it is possible to realize a rooting method such as a steel pipe pile using the gabions 1 to 4. it can.

30 compartment 31 first partition wall 32 first side wall 33 second partition wall 34 second side wall

Claims (8)

A first partition wall;
A first side wall having one end connected to one end of the first partition wall;
A second partition wall having one end connected to the other end of the first side wall;
A second side wall having one end connected to the other end of the second partition wall and the other end connected to the other end of the first partition wall;
At least two or more compartments containing
The length of the first side wall from one end of the first partition wall to one end of the second partition wall is from the other end of the second partition wall to the other end of the first partition wall. A gabion characterized by being longer than the length of the second side wall.   The at least one of said 1st partition wall and said 2nd partition wall is shared between the said adjacent compartments, or exists independently for every said compartment. Gabion.   The gabion according to claim 1 or 2, wherein a backing material is present on the first side wall, and the backing material is not present on the second side wall.   The gabion according to any one of claims 1 to 3, wherein at least one of the first side wall and the second side wall includes two or more side wall elements.   The gabion according to any one of claims 1 to 4, wherein the first side wall is connected to the first side wall or the second side wall of the adjacent compartment.   The gabion according to any one of claims 1 to 5, wherein the second side wall is connected to the first side wall or the second side wall of the adjacent compartment.   The gabion according to any one of claims 1 to 6, wherein at least one of the first partition wall and the second partition wall has a slide mechanism that can slide with the adjacent compartment.   A root hardening method using the gabion according to claim 1.