JP2010127048A - Form made of multiple-layer sheet, structure for civil engineering, and method of constructing the structure for civil engineering at desired construction site - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a form made of multiple-layer sheet which is thicker than before and a structure for civil engineering, while unevenness of an end can be smoothened, wherein for example, the civil-engineering structure especially useful when constructed on an inclined surface, and furthermore the civil-engineering structure capable of promptly discharging water contained in a fluid material for solidification at an early stage are provided. <P>SOLUTION: The form B made of multiple-layer sheet is formed by laminating a plurality of forms A made of sheet and by joining the edges 5 of the forms A made of sheet to be integrated. The form A made of sheet contains a surface sheet material 1, a back sheet material 2 and a side sheet material 4. The form A made of sheet constituting the topmost layer of the form B made of multiple-layer sheet has an extended part which extends in the layer surface direction having at least the same length as the thickness of the form A made of sheet in its laminating direction constituting the lower layer. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is a multi-layer sheet form frame integrated by laminating a plurality of sheet form frames including a top sheet material, a back sheet material and a side surface sheet material, and joining edges of the sheet form frame, The present invention also relates to a civil engineering structure manufactured from the multilayer sheet form and a method for constructing the civil engineering structure at a desired construction site.

  A cloth formwork whose front and back surfaces are made of cloth is installed at the site to be protected, including revetments, slopes, and slopes in waterways, and this cloth formwork is filled with concrete, mortar, sand, etc. Solidification of filled concrete or mortar, or consolidation of sand, to protect the revetments, slopes or slopes of these waterways.

  Such cloth formwork is easy to install because it can protect the revetment, etc. by solidifying the filled concrete, mortar or sand, etc., and it is well adapted to complex slopes with different gradients, uniform thickness Is obtained. However, in the casting operation using a thick sheet mold or bag body, there is a problem that the cloth portion is broken by the injection pressure particularly on the slope having a difference in height.

  Patent Document 1 discloses multiple fabrics and structural building materials. In the multiple woven fabric of Patent Document 1, the weft yarn 2 is woven while moving the arrangement of the warp yarns arranged in multiple rows constituting the multiple woven fabric of three or more layers between the multiple woven fabrics, and a multilayer is formed inside the woven fabric. Storage compartments are formed.

  However, in the invention described in Patent Document 1, for example, a sheet mold or bag having a thickness of about 1 m cannot be manufactured. In addition, there is a problem that unevenness occurs at the end on the upper side of the slope during construction, and smoothness cannot be ensured.

JP 2000-17538 A

  It is an object of the present invention to provide a multilayer sheet mold and a civil engineering structure that are thicker than before. Furthermore, this invention makes it a subject to provide the structure for civil engineering which can smooth the unevenness of an edge part, for example, when it is constructed on a slope, for example. Furthermore, this invention makes it a subject to provide the structure for civil engineering which can discharge | emit the water | moisture content in a fluid material rapidly, and can solidify at an early stage.

  As a result of intensive research in order to solve the above problems, the inventors of the present invention laminated a plurality of sheet molds including a top sheet material, a back sheet material, and a side surface sheet material, and the edges of the sheet mold frame The sheet sheet frame constituting the uppermost layer of the multilayer sheet mold frame is integrated in the stacking direction of the sheet mold frame constituting the lower layer. The present invention has been completed by discovering that the above problem can be solved unexpectedly by a multi-layer sheet form frame having an extension portion extending in the layer surface direction, which has at least the same length as the thickness of the sheet. It was.

Specifically, the present invention specifically relates to the following aspects (1) to (8).
[Aspect 1]
A plurality of sheet molds (A) including the top sheet material (1), the back sheet material (2), and the side surface sheet material (4) are laminated, and the edge (5) of the sheet mold (A) is formed. A multi-layer sheet mold (B) integrated by joining,
The sheet mold (A) constituting the uppermost layer (6) of the multilayer sheet mold (B) is at least the same as the thickness in the stacking direction of the sheet mold (A) constituting the lower layer (7). Having an extension (6-1) extending in the layer surface direction, having a length of
The multi-layer sheet mold (B) characterized by the above.

[Aspect 2]
The multilayer sheet-made form frame (B) according to aspect 1, wherein the top sheet material (1), the back sheet material (2), and / or the side surface sheet material (4) have water permeability.
[Aspect 3]
The aspect 1 or 2, wherein an injection hole (8) for injecting a fluid material is present in at least one of the side surfaces of each sheet mold (A) of the multilayer sheet mold (B). Multilayer sheet form (B).

[Aspect 4]
The structure for civil engineering containing a fluid material in each sheet mold (A) of the multilayer sheet mold (B) according to any one of aspects 1 to 3.
[Aspect 5]
The civil engineering structure according to aspect 4, wherein the fluid material is concrete, mortar, earth or sand, or sludge.

[Aspect 6]
The civil engineering structure according to aspect 4 or 5, wherein the civil engineering structure is laid on a slope and the extension (6-1) covers the top end.
[Aspect 7]
The civil engineering structure according to any one of aspects 4 to 6, wherein the civil engineering structure is a small mouth stopper.

[Aspect 8]
A step of laying a multilayer sheet-made formwork (B) according to any one of aspects 1 to 3 at a desired construction site; and filling the sheet-formwork form (A) of each layer with a flowable material; Steps for building civil engineering structures:
A method for constructing the civil engineering structure in a desired construction location.

  The multilayer sheet-made frame (B) of the present invention is formed by laminating a plurality of sheet-made frame (A) including the top sheet material (1), the back sheet material (2), and the side surface sheet material (4), Since the edges (5) of the sheet mold (A) are integrated, the tensile stress generated during and after injection of the filler is dispersed in each layer of the sheet mold (A). The multilayer sheet-made formwork (B) and the structure for civil engineering that are thicker than before can be provided.

  In the multilayer sheet mold (B) of the present invention, the sheet mold (A) constituting the uppermost layer (6) of the multilayer sheet mold (B) constitutes the lower layer (7). Since it has the extension part (6-1) extended in the layer surface direction which has the length at least the same as the thickness of the lamination direction of the sheet-made formwork (A) to perform, the structure for civil engineering of this invention is an edge part. This is particularly useful when it is constructed on a slope, for example.

  Further, when the sheet-made frame of the present invention has water permeability, that is, when the top sheet material (1), the back sheet material (2) and / or the side surface sheet material (4) has water permeability, The civil engineering structure of the present invention can quickly drain moisture in a fluid material, for example, mortar, concrete, earth and sand, or sludge, and solidify at an early stage.

  Hereinafter, the most preferable embodiment of the multilayer sheet-made formwork (B) and the civil engineering structure of the present invention will be described with reference to the drawings, and a method for constructing the civil engineering structure at a desired construction site will be described. .

  FIG. 1 illustrates a sheet formwork (A) that constitutes a multilayer sheet formwork (B) and includes a topsheet material (1), a backsheet material (2), and a side surface sheet material (4). FIG. FIG. 2 is a diagram for explaining a multilayer sheet-made frame (B). FIG. 3 is a view showing a joined state between the sheet-made molds (A). FIG. 4 is a view for explaining the sheet mold (A) constituting the uppermost layer (6) of the multilayer sheet mold (B). FIG. 5 is a schematic diagram of a civil engineering structure laid on a slope. FIG. 6 is an explanatory diagram for constructing a civil engineering structure using the multilayer sheet-made frame (B).

  First, the sheet form frame (A) will be described with reference to FIG. The sheet mold (A) includes a surface sheet material (1) disposed on the front side of the sheet mold (A), a back sheet material (2) disposed on the back side, and these surface sheet materials. A rope material (3) connecting a plurality of locations between (1) and the surface sheet material (2), and a side surface sheet material (4) forming a side surface portion of the surface sheet material (1) and the surface sheet material (2) ).

  The material of the top sheet material (1), the back sheet material (2), and the side surface sheet material (4) of the sheet mold (A) is a flexible material. As the material, for example, a flexible synthetic resin material such as synthetic rubber can be used. Also, as the material, known fibers such as synthetic fibers such as nylon fibers, polyester fibers, and polyolefin fibers can be used. The form of the said sheet | seat can be a fabric, for example, a woven fabric, a nonwoven fabric, for example.

  In particular, when the filling material filled in the sheet mold (A) is a fluid material containing moisture, the sheet material is a fabric having water permeability, for example, a woven fabric having water permeability, It is preferable that it is a nonwoven fabric. For example, when the top sheet material (1), the back sheet material (2) and / or the side surface sheet material (4) are produced using a synthetic fiber sheet made of a woven fabric having water permeability, moisture in the fluid material is produced. Can be leached to the outside from the top sheet material (1), the back sheet material (2), or the side surface sheet material (4), and the fluid material can be solidified quickly.

  The rope material (3) connecting a plurality of locations between the top sheet material (1) and the back sheet material (2) is, for example, a synthetic fiber, for example, a rope made of nylon or polypropylene, and this rope length is changed. By doing, the space | interval between the sheets of a surface sheet material (1) and a back surface sheet material (2) can be adjusted. That is, by changing the rope length, the thickness of the sheet form frame (A) can be set.

  Next, the multi-layer sheet mold (B) will be described with reference to FIG. In the drawing, the same reference numerals are given to the same parts or the parts having the same functions as those of the above-described sheet mold (A), and the description thereof is omitted.

  In FIG. 2, a plurality of sheet form frames (A) including a top sheet material (1), a back sheet material (2), and a side surface sheet material (4) are stacked, and the edge of the sheet form frame (A) The multi-layer sheet form frame (B) integrated by joining (5) is shown. The edge (5) of the sheet formwork (A) can be pre-joined at the joining stage in the factory in advance, or can be joined at the site to be laid by a hand sewing machine or the like.

  Examples of the bonding include sewing by a sewing material, adhesion by an adhesive, and fusion of a top sheet material (1), a back sheet material (2), and a side surface sheet material (4) by heating. In order to produce a thicker multi-layer sheet form (B), sewing with a sewing material as shown in FIG. 3 is preferable. In FIG. 3, the sheet material (1) and the sheet material (4) for forming the side surface portion, and the back sheet material (2) and the sheet material (for forming the side surface portion) at the end portion of the sheet form frame (A). 4) are joined by sewing.

Although there is no restriction | limiting in particular about the number of layers of the sheet-made frame (A) in a multilayer sheet-made frame (B), From a viewpoint of construction efficiency, 2-5 layers are preferable.
Although there is no restriction | limiting in particular in the thickness of the sheet-made formwork (A) of each layer, From a viewpoint of the filling property of each layer, about 0.05m-about 0.50m are preferable, and about 0.20m-about 0.30m are preferable. Further preferred.
The thickness of the multilayer sheet-made form (B) is not particularly limited, but is preferably about 0.10 m to about 2.50 m, and preferably about 0.40 m to about 2.50 m from the viewpoint of the thickness required for the structure. 1.50 m is more preferable.

  Each layer of the sheet mold (A) is a layer of the same size except for the sheet mold (A) constituting the uppermost layer (6) which is the uppermost layer of the multilayer sheet mold (B). Can be stacked without any deviation in the vertical direction with respect to the layers. For example, as shown in FIG. 5, the size and / or position of each layer can be changed according to the slope of the slope. By changing the size and / or position of each layer, the smoothness of the side surface can be improved when applied to a slope.

  As shown in FIG. 6, the sheet mold (A) constituting the uppermost layer (6) of the multilayer sheet mold (B) is a laminate of the sheet mold (A) constituting the lower layer (7). It has the extension part (6-1) extended in the layer surface direction which has at least the same length as the thickness of a direction. The extension part (6-1) has at least the same length as the thickness in the stacking direction of the sheet mold (A) constituting the lower layer (7), but the side part of the multilayer sheet mold (B). For example, about 1.5 times, about 2.0 times the thickness in the stacking direction of the sheet mold (A) constituting the lower layer (7) according to the inclination of the slope. , About 3.0 times as long. The length of the extension part (6-1) is, for example, about 0.10 m to about 5.00 m and about 0.40 m to about 3.00 m.

  Further, the extension part (6-1) usually has one extension part (6-1) so as to cover one side of the side surface of the multilayer sheet-made frame (B). You may have an extension part (6-1). Moreover, since the extension part (6-1) is a part of the sheet-made frame (A) constituting the uppermost layer (6), it extends in the layer surface direction before filling with the fluid material. Is normal. Since the multilayer sheet form frame (B) has the extension (6-1), when used as a civil engineering structure, the side surface (7) of the other layer is covered to smooth the side surface. Can be improved.

  FIG. 6 is a configuration diagram of a multi-layer sheet mold (B). The multilayer sheet-made form (B) can have injection holes (8) for filling each layer with a fluid material. The structure of the injection hole (8) is not particularly limited. For example, the injection hole (8) preferably has a cylindrical structure made of a polyester woven cloth and having a diameter of about 250 mm and a length of about 300 mm. The injection hole (8) is preferably present on the sheet (4) forming the side surface of each layer.

  Next, a method for constructing the civil engineering structure of the present invention at a desired construction site will be described. By this method, for example, a small concrete structure for river revetment can be constructed, or a structure for civil engineering can be constructed. In the method, for example, a multi-layer sheet mold (B) is laid along a slope and the like, and the flowable material is filled into the sheet mold (A) of each layer and solidified.

  For example, in the case of FIG. 6, a multilayer sheet form frame (B) is laid on a slope or the like to be constructed. At that time, for example, a single pipe (10) is inserted into the cylindrical sheet material (9) joined to the end of the multilayer sheet form (B), and the end of the single pipe (10) is inserted. The lever block (registered trademark) (12) and the reinforcing bar pile (13) through the ring (11) provided in the part prevent the multi-layer sheet form frame (B) from shifting during filling.

  After laying the multi-layer sheet mold (B) on the slope or the like, the fluid material is filled using the injection hole (8) or the like. The filling of the flowable material into the multi-layer sheet form (B) is generally performed by pumping with a pump car.

  Here, the flowable material filled in the multilayer sheet-made mold (B) is a material that has fluidity at the time of filling and solidifies with time. Examples of the fluid material include concrete, mortar, earth and sand, or sludge. Further, the fluid material may be any of liquid, powder, granule and the like.

In particular, when the top sheet material (1), the back sheet material (2) and / or the side surface sheet material (4) is constituted by a fabric having water permeability, for example, a woven or non-woven fabric having water permeability. The fluid material is preferably a hydraulic material including concrete or mortar because moisture in the fluid material permeates and can be quickly solidified.
In addition, when the flowable material is filled in the multi-layer sheet form frame (B), it is preferably filled from the bottom layer. In addition, when filling the multilayer sheet form frame (B) on the slope, it is preferable to sequentially inject from the vicinity of the buttock portion toward the shoulder portion in the same layer.

  It is possible to construct civil engineering structures, such as small-sized concrete structures for river revetments, etc. at the desired construction site by solidifying the flowable material filled in the multi-layer sheet formwork (B). It is.

  The present invention can provide a multi-layer sheet formwork (B) and a civil engineering structure that are thicker than before, and the present invention can smooth the unevenness of the end, for example, a slope. It is possible to provide a civil engineering structure that is particularly useful when constructed on top, and further, the present invention provides a civil engineering structure capable of quickly discharging moisture in a fluid material and solidifying at an early stage. Since a structure can be provided, it is industrially useful.

It is a figure explaining a sheet-made formwork (A). It is a figure explaining a multilayer sheet-made formwork (B). It is a figure explaining the joining state between sheet-made formwork.

It is a figure explaining the sheet-made frame (A) which comprises the uppermost layer (6) of a multilayer sheet-made frame (B). It is a schematic diagram of the structure for civil engineering laid on the slope. It is explanatory drawing for constructing the structure for civil engineering using a multilayer sheet-made formwork (B).

Explanation of symbols

A Sheet mold B B Multi-layer sheet mold 1 Top sheet material 2 Back sheet material 3 Connecting rope material 4 Side sheet material 5 Edge of sheet mold frame (sewing section)
6 Uppermost layer 6-1 Extension 7 Lower layer 8 Injection hole 9 Cylindrical sheet material 10 Single pipe 11 Ring 12 Lever block (registered trademark)
13 Reinforcing bar pile

Claims (8)

A plurality of sheet molds (A) including the top sheet material (1), the back sheet material (2), and the side surface sheet material (4) are stacked, and the edge (5) of the sheet mold (A) is formed. A multi-layer sheet mold (B) integrated by joining,
The sheet mold (A) constituting the uppermost layer (6) of the multilayer sheet mold (B) is at least the same as the thickness in the stacking direction of the sheet mold (A) constituting the lower layer (7). Having an extension (6-1) extending in the layer surface direction, having a length of
The multi-layer sheet mold (B) characterized by the above.   The multi-layer sheet form frame (B) according to claim 1, wherein the top sheet material (1), the back sheet material (2), and / or the side surface sheet material (4) have water permeability.   The injection hole (8) for inject | pouring a fluid material exists in at least one of the side surfaces of each sheet-made formwork (A) of the said multilayer sheet formwork (B). A multi-layer sheet form (B).   The structure for civil engineering containing a fluid material in each sheet mold (A) of the multilayer sheet mold (B) according to any one of claims 1 to 3.   The civil engineering structure according to claim 4, wherein the fluid material is concrete, mortar, earth or sand, or sludge.   The civil engineering structure according to claim 4 or 5, wherein the civil engineering structure is laid on a slope and the extension (6-1) covers the top end.   The civil engineering structure according to any one of claims 4 to 6, wherein the civil engineering structure is a small mouth stopper. A step of laying the multilayer sheet-made frame (B) according to any one of claims 1 to 3 at a desired construction site; and filling the sheet-made frame (A) of each layer with a fluid material. Steps for constructing civil engineering structures:
A method for constructing the civil engineering structure at a desired construction site.

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