JP2018188805A - Bag material for wave-resistant civil engineering work and method for manufacturing bag body for wave-resistant civil engineering work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bag body that can be connected adjacent to each other without separating from each other even if a plurality of bag materials are dragged.SOLUTION: A bag material 10 is formed of a net knitted with synthetic fibers and used as a bag material filled with an infilling material. The bag member 10 includes an opening portion 14, a bottom portion 15 located on an opposite side of the opening portion 14, a second rope 16 connected to the bottom portion 15 and capable of being taken out to an outside from the opening portion 14, and first ropes 17a to 17f connected to the bottom portion 15 and capable of being taken out from the mesh 11 to the outside through an inside of the bag material 10.SELECTED DRAWING: Figure 1

Description

  TECHNICAL FIELD The present invention relates to a wave-resistant civil engineering bag material and a method for producing a wave-resistant civil engineering bag material, and more particularly to a wave-resistant civil engineering bag material and a wave-resistant civil engineering bag material that can be easily connected to each other. The present invention relates to a method for manufacturing a material.

  Conventionally, there has been provided a bag material for civil engineering work that prevents movement of filling materials due to water flow or waves and does not cause shear deformation. For example, JP 2003-129444 A (Patent Document 1) discloses a bag material for civil engineering work. It is disclosed.

  FIG. 7 is a perspective view showing the bag material disclosed in Patent Document 1. FIG. Referring to FIG. 7, bag material 101 is formed of a net knitted from synthetic fibers, and is used after being filled with a filling material. The bag material 101 is connected to the bag material portion 102, and is drawn out from the mouth portion 103 with the opening of the bag material 101 closed. The wave-resistant civil engineering has a middle connecting material 105 that connects the bottom portion 104 and the mouth portion 103. The bag material 101 for construction, the bag material 101 using the net aggregate obtained by bundling and pulling up the bottom net as the intermediate connecting material 105, the filling material not shown in these bag materials 101, and the bottom 104 are connected, It is used as a bag body including a plurality of construction bundling ropes 107 for connecting and binding extending on the outer periphery of the bag material portion 102.

JP 2003-129444 A (summary etc.)

  Conventional bag materials for civil engineering work that prevent the movement of filling materials due to water currents and waves and do not cause shear deformation have been configured as described above. However, in the conventional bag material 101, since the construction ropes 107 for connecting and binding a plurality exist on the outer periphery of the bag material, the construction rope 107 is damaged when the bag material 101 is dragged at the placement place, In some cases, the connection was broken.

  Further, in the conventional bag material 101, the connecting portion of the rope 107 for construction is located at the upper portion outside the bag body, and the bag bodies are connected at the upper position of the bag body. There was a gap, and the position could not be fixed.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a bag body that can be connected without being separated from each other even when a plurality of bag materials are dragged.

  The wave-resistant civil engineering bag material (hereinafter abbreviated as “bag material”) according to the present invention is a bag material that is formed by using a net knitted from synthetic fibers and filled with a filling material.

  The bag material includes an opening portion and a bottom portion located on the opposite side of the opening portion, and includes a first rope connected to the bottom portion and capable of being taken out from the mesh through the inside of the bag material.

  Preferably, it further includes a second rope connected to the bottom and capable of being taken out from the opening.

  A plurality of first ropes are preferably provided.

  A plurality of wave-resistant civil engineering bag materials may be provided, and the first rope may be a bundling rope for connecting to an external bag body.

  It is preferable that the position taken out through the mesh of the first rope bag material is a position of 1/2 to 2/3 from the bottom part to the opening part of the bag material.

  In another aspect of the present invention, a method of manufacturing a bag body using a manufacturing frame having an opening portion includes manufacturing a bag material having at least a first rope among the bag materials described in any of the above. The bottom portion to which the first rope is connected is held at a first position near the center of the production frame bottom, and the opening of the bag material is placed so as to hang down outside the production frame. The ropes are arranged radially in the production frame, and the ends of the ropes are placed outside the bag material through the mesh of the bag material and hang down outside the production frame. , Remove the production frame and take out the bag material.

  In still another aspect of the present invention, a method of manufacturing a bag body using a manufacturing frame having an opening includes: a bag material having first and second ropes among the bag materials according to any one of the above. Put into the production frame, hold the bottom to which the first rope and the second rope are connected at the first position near the center of the production frame, and place the bag material so that the opening of the bag hangs down to the outside of the production frame. The second rope is held at a second position higher than the first position of the opening of the production frame, and the plurality of first ropes are arranged radially within the production frame, and the end portions of the bags are bags. Put the crushed stone into the bag material in the production frame in a state where it hangs outside the production frame through the mesh of the material, and then opens the second rope and bag material Bundling so that the parts are integrated, remove the production frame, take out the bag material.

  Since the bag material according to the present invention includes the first rope that is connected to the bottom portion and passes through the inside of the bag material and can be taken out from the mesh, the first rope does not pass through the outside of the bottom portion of the bag material. The upper part can be used for connection with an external bag material.

  As a result, a bag material that can be connected without leaving a plurality of bag materials can be provided.

It is a perspective view which shows the bag material which concerns on one embodiment of this invention. It is a figure which shows the original structure of a bag material. It is sectional drawing which shows the state which accommodated the bag material in the manufacture frame which shows the initial state of manufacture of a bag material. It is a figure which shows the manufacturing process which manufactures a bag body from a bag material for every step. It is a figure which shows the bag body into which the crushed stone was thrown. It is a figure which shows the state which connected the several bag body. It is a figure which shows the conventional bag material.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a bag material according to an embodiment of the present invention, and FIG. 2 is a view showing an original configuration of the bag material. Referring to FIG. 2, a cylindrical bag material 19 having a straight bottom portion 18 and having a mesh 11 knitted from synthetic fibers is prepared, and the bottom is passed through a rope 24 closed on the stitch constituting the bottom portion 18. As the bottom portion 15 in which the portions 18 are integrated, an inverted conical bag material 10 having the bottom portion 15 as shown in FIG. 1 is formed as a whole.

  In addition, although the original structure of a bag material is a rectangular shape here, arbitrary shapes may be sufficient.

  Referring to FIG. 1, bag material 10 formed in this manner includes a circular opening 14 and a bottom 15 having an inverted conical side surface having a mesh 11 connected to a lower part thereof, and a bottom 15. The suspension rope 12 is passed through the opening 14, and the mouthpiece rope 13 for closing the opening 14 is passed through the mesh 11 near the lower part thereof.

  At the bottom 15, a second rope 16 for lifting the bag material 10 is arranged radially on the inner surface of the bag material 10 around the bottom 15, and for connecting to an external bag material through the mesh 11. Six second ropes 17a to 17f for binding construction are connected. Connecting wheels 16a and 18a to 18f are provided at the tip ends of the second rope 16 and the first ropes 17a to 17f, respectively.

  Next, the manufacturing method of the bag body 40 which accommodated the crushed stone using the bag material 10 shown in FIG. 1 is demonstrated. 3 is a cross-sectional view showing a state in which the bag material 10 is stored in the production frame 30 in an initial state of manufacturing the bag body 40, and FIG. 4 is a diagram showing the manufacturing process of the bag material 11 step by step. is there. 3 corresponds to a cross-sectional view of a portion passing through the central portion of the manufacturing frame 30 indicated by an arrow III-III in FIG.

  Referring to FIGS. 3 and 4A, the bag material 10 shown in FIG. 1 is placed in the rectangular opening 31 of the rectangular parallelepiped manufacturing frame 30 having openings at the upper and lower ends, and the bottom 15 Is arranged so as to be in contact with the ground 33 at the center of the production frame 30 and the hanging rope 12 and the mouth-drawing rope 13 are located in the vicinity of the lower end of the outer circumference of the production frame 30.

  In the opening 31 of the production frame 30, support rods 34 are arranged on the two opposite sides. Then, through the wire rope 21 having lifting rings 21a and 21b at both ends passing through the ring 16a of the first rope 16 connected to the bottom portion 15, the lifting rings 21a and 21b are illustrated on the support rod 34. The bag material 10 is arranged so as to be lifted by using a hook without any gap.

  The second ropes 17 a to 17 f connected to the bottom portion 15 are taken out of the bag material 10 through the mesh 11 of the bag material 10, and are also hung out of the frame 30 through the opening 31 of the manufacturing frame 30. It is. At this time, as described above, it is preferable that the first ropes 17a to 17f are radially arranged at the openings 31 of the frame 30 at an angle of approximately 60 degrees and maintained in that state. Specifically, it is preferable to fix the first ropes 17a to 17f to the opening 31 of the frame 30 with a line or the like.

  Next, as shown in FIG. 4B, in this state, the crushed stone 20 as the filling material is poured into the production frame 30 from the top of the bag material 10 so as to be fully filled. At this time, the portion of the bag material 10 on the mouth-drawing rope 13 side is arranged and fixed outside the frame so that the bag material 10 does not loosen in the production frame 30.

  Next, hooks 36 of heavy machinery are hung on the wheels 21a and 21b of the wire rope 21, and temporarily suspended by the heavy machinery. When the mesh 11 is in a stretched state, the hooks 36 are slightly lowered and the square members 34 are removed.

  The loops 21a and 21b of the wire rope 21 and the loops of the suspension ropes 12 drawn out from the bag material openings at six places are hung on the heavy machinery hooks 36 for temporary suspension, and the mouth throttle rope 13 of the bag material 10 is squeezed to close the mouth. (See FIG. 4C).

  Thereafter, the four corners of the production frame 30 are lifted by the hooks 36 of the heavy machinery, and the production frame 30 is separated from the bag body 40 filled with crushed stone (see FIGS. 4D to 4F).

  The loops 21 a and 21 b of the wire rope 21 are hung on the hook 36 of the heavy machinery and pulled up to pull out the second rope 16 from the inside of the bag body 40. When the ring 16a of the second rope 16 and the loop of the suspension rope 12 are attached to a suspension ring (not shown) and lifted, the shape is as shown in FIG.

  Finally, the bag body 40 filled with crushed stones from which the six first ropes 17a to 17f protrude from the side surface of the bag body 40 is lifted and pulled out using the hook 36 of the heavy machine, and placed at a desired position (see FIG. 4 (G)).

  Next, the bag body 40 into which the crushed stone is charged will be described. FIG. 5 is a view showing the bag body, FIG. 5 (A) is a perspective view of the entire bag body 40, and FIG. 5 (B) is a second view of the bag body 40 shown in FIG. 5 (A). It is sectional drawing of the part which passes through the rope 16, and shows the state which mounted the bag body 40 on the ground, FIG.5 (C) shows the bag body 40 shown to FIG. 5 (A), (B) in the 2nd. It is a figure which shows the state lifted by the rope 16 and the ring | wheel 16a.

  Referring to FIGS. 5A to 5C, basically, the first ropes 17a and 17d are disposed at positions 180 degrees away from each other with respect to the second rope 16, and the second rope 16 By lifting the ring 16a with a hook (not shown), the bottom 15 is positioned at the upper end of the bag body 40 (FIG. 5C), and the first ropes 17a and 17d for connection are crushed stones in the bag body 40. Is taken out from the mesh 11 of the bag body 40 to the outside. At this time, the adjacent bags are connected by the first ropes 17a and 17d.

  The position of the first ropes 17a to 17f taken out through the mesh 11 of the bag material 10 to the outside of the bag material 10 is from the bottom 15 to the opening 14 of the original bag material 10 from the bottom 15 to 1/2. The 2/3 position is preferred. If it is smaller than 1/2, the positions of the first ropes 17a to 17f are below the position where the bag bodies 40 are in contact with each other, and it is difficult to bind the bag bodies 40 together. This is because there is a possibility that the bag body 40 moves due to the shortest connection with the bag body 40 located above the side surface.

  Next, a method for connecting a plurality of bag bodies 40 will be described. FIG. 6 is a diagram illustrating a state in which a plurality of bag bodies 40a to 40k are connected to each other. Referring to FIG. 6, the plurality of bag bodies 40 are mutually connected to the first ropes 17 a that connect the bottom portions 15 a to 15 k located at the center of each bag body 40 through the inside of the bag body 40. Since the plurality of bags 40 are moved, the first ropes 17a and 17d are not damaged by being dragged on the ground. Moreover, the exit position of the second rope at a high position is a high position at the upper end of the peripheral edge of the bag body 40 in a state where the bag body is placed on the ground.

  As a result, it becomes difficult for the plurality of bag materials to be connected and moved without leaving, and a group of bag bodies 40 can be provided.

  In addition, in the said embodiment, although the case where six 1st ropes were provided was demonstrated, not only this but what is necessary is just at least 1 so that it can arrange | position adjacently.

  Moreover, although the case where the 1st rope and the 2nd rope were used was demonstrated in the said embodiment, it is not restricted to this, Even if it uses only a 1st rope without using a 2nd rope. Good. In this case, in FIG. 3, the wire rope 21 forms a bag body by passing the suspension rope 12 through a loop drawn out from the bag material opening at six places.

  Moreover, although the said embodiment demonstrated the case where a production frame was a rectangle, not only this but circular, an ellipse, and a polygon may be sufficient.

  Although the embodiments of the present invention have been described with reference to the drawings, the present invention is not limited to the illustrated embodiments. Various modifications can be made to the illustrated embodiment within the same scope or equivalent scope as the present invention.

  According to the present invention, even if a load that moves in a plurality of bags is generated, it is possible to provide a bag that can be connected adjacently without separating the bags, so that the bag can be advantageously used as a connectable bag. .

  DESCRIPTION OF SYMBOLS 10 Bag material, 11 Mesh, 12 Suspension rope, 13 Narrow rope, 14 Opening part, 15 Bottom part, 16 2nd rope, 16a ring, 17a-17f 1st rope, 18a-18f ring, 21 Wire rope, 30 Production frame, 31 opening, 33 ground, 34 support rod, 36 hook.

Claims (7)

A bag material formed by using a net knitted with synthetic fibers and filled with a filling material,
The bag material includes an opening and a bottom located on the opposite side of the opening,
A wave-resistant civil engineering bag material, comprising: a first rope connected to the bottom and passing through the interior of the bag material and capable of being taken out from a mesh.   The wave-resistant civil engineering bag material according to claim 1, further comprising a second rope connected to the bottom portion and capable of being taken out from the opening.   The bag material for wave-resistant civil engineering works according to claim 1 or 2, wherein a plurality of the first ropes are provided. A plurality of the wave resistant civil engineering bag materials are provided,
The bag material for wave-resistant civil engineering works according to any one of claims 1 to 3, wherein the first rope is a binding construction rope for connecting to an external bag body.   The position taken out to the outside through the mesh of the bag material of the first rope is a position of 1/2 to 2/3 from the bottom part 15 from the bottom part to the opening part of the bag material. The bag material for wave-resistant civil engineering works according to any one of the above. A method of manufacturing a bag body using a manufacturing frame having an opening,
The bag material according to any one of claims 1 and 3 to 5 is put into a production frame,
Holding the bottom to which the first rope and the second rope are connected at a first position in the vicinity of the bottom of the manufacturing frame;
Place the opening of the bag material so that it hangs down the outside of the production frame,
A plurality of first ropes are arranged radially within the production frame, and the end portions thereof are produced so as to hang outside the production frame outside the bag material through the mesh of the bag material. Put crushed stone into the bag material in the frame,
A method for manufacturing a bag body, in which a production frame is removed and a bag material is taken out. A method of manufacturing a bag body using a manufacturing frame having an opening,
Put the bag material according to any one of claims 2 to 4 into a production frame,
Holding the bottom to which the first rope and the second rope are connected at a first position in the vicinity of the bottom of the manufacturing frame;
Place the opening of the bag material so that it hangs down the outside of the production frame,
The second rope is held at a second position higher than the first position in the opening of the production frame, and a plurality of first ropes are arranged radially within the production frame, and the end portions of the bag material In the state where it is placed outside the bag material through the mesh of the bag so as to hang down outside the production frame, crushed stone is put into the bag material in the production frame,
After charging, the second rope and the opening of the bag material are united so as to be integrated,
A method for manufacturing a bag body, in which a production frame is removed and a bag material is taken out.

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