JP3210932U - Metal fence - Google Patents

Abstract

[PROBLEMS] To provide a metal fence excellent in workability and handling. A plurality of struts, which are metal fences that are arranged on an installation surface and exhibit a soil retaining function and a boulder capturing function, and are erected at predetermined intervals in the left-right direction of the installation surface; And at least a face material disposed therebetween. The face material is made of an expanded metal that is at least a part of which is meshed to ensure strength and to reduce weight and improve drainage. [Selection] Figure 1

Description

  The present invention relates to a metal fence that is placed on an installation surface such as a slope and exhibits a soil retaining function, a small-scale ground collapse function, and a boulder capturing function.

A wooden fence described in Patent Document 1 below is known as a fence body used for land readjustment and earth retaining.
This wooden fence has a wooden column to be erected on the ground and a fence member attached to the wooden column, and is installed by driving a metal bar provided at the bottom of the wooden column into the ground as a pile material. Achieves the effect of firmly maintaining the standing state of the wooden fence with excellent landscape.

JP 2000-34731 A

On the other hand, the conventionally known wooden fence has at least one of the following problems.
(1) Logs used for supporting columns and fence materials are heavy and difficult to carry in manually.
(2) Since the log corrodes, the service life is short.
(3) Since the fence material is attached without gaps, drainage is poor.
(4) The workability when the height is adjusted afterwards is poor.

  Therefore, this invention makes it one of the objectives to provide the metal fence which is excellent in workability and handleability by solving at least any one of said subject.

The first invention of the present application, which has been made to solve the above-mentioned problems, is a metal fence that is arranged on the installation surface to exhibit the earth retaining function and the boulder capturing function, and is provided with a predetermined interval in the left-right direction of the installation surface. A plurality of struts to be erected, and a face material disposed between the struts, wherein the face material includes at least one expanded metal that is at least partially meshed. It is characterized by becoming.
Further, the second invention of the present application is characterized in that, in the first invention, the face material has a mesh shape except for an upper edge portion, an intermediate portion and a lower edge portion of the face material.
Further, a third invention of the present application is the above-mentioned second invention, further comprising a bent portion that bends the end portions of the upper edge portion and the lower edge portion in the front-rear direction, and the step is performed by bending the face material. The fourth invention of the present application is characterized in that, in the second invention or the third invention, a rib projecting in the front-rear direction is provided in the intermediate portion.
According to a fifth invention of the present application, in any one of the first to fourth inventions, the support column and the face material are made of Superdimer (registered trademark).

According to the present invention, at least one of the following effects can be achieved.
(1) By forming the face material with one member of expanded metal having at least part of a mesh shape, it is lightweight and excellent in transportability.
(2) When at least a part of the face material has a mesh shape, drainage is improved and it is resistant to rainfall.
(3) By making a part of the steel plate constituting the face material into a mesh shape and leaving the remaining part in a belt shape, the belt portion becomes a reinforcing frame, contributing to securing the strength of the face material.
(4) Since the upper edge portion and the lower edge portion of the face material are bent in the front-rear direction, a plurality of face materials can be stacked up and down.
(5) By providing a rib projecting in the front-rear direction at the intermediate portion of the face material, the strength of the face material can be further increased.
(6) By using Superdimer (registered trademark) for the steel plate constituting the face material, it is resistant to rust and has excellent durability.

Schematic which shows the metal fence which concerns on Example 1. FIG. Schematic which shows the metal fence which concerns on Example 2. FIG.

  Embodiments of the present invention will be described below with reference to the drawings.

<1> Overall Configuration The metal fence A according to the present invention is a fence body that is arranged on the installation surface X and exhibits a soil retaining function and a boulder capturing function.
As shown in FIG. 1, the metal fence A includes a plurality of support columns 10, at least one or more face materials 20 attached between the support pillars, and a connector 30 that connects the support pillars 10 and the face material 20. doing.
Details of each component will be described below.

<2> Column The column 10 is a member for standing on the installation surface X with a predetermined interval.
In this embodiment, the column 10 is a steel pipe having a diameter of 34 mm, a thickness of 2.3 mm, and a total length of 1200 mm.
A cap 11, which is a lid that prevents water from entering the inside of the column 10, is attached to the head of the column 10.
Since the lower part of the support column 10 is a part to be embedded in the installation surface X, the lower end may be processed to have a tapered shape.

<2.1> Strut Material The strut 10 is preferably made of a steel material that has been subjected to high corrosion resistance plating instead of the conventional galvanization that has been conventionally used.
As the steel material subjected to the high corrosion resistance plating, there is Superdimer (registered trademark) of Nippon Steel & Sumikin Co., Ltd.
The superdimer is a member whose plating layer component is mainly composed of about 11% aluminum, about 3% magnesium and a small amount of silicon.

<3> Face material The face material 20 is a member for constituting a pressure receiving surface that resists earth pressure of the back soil as a retaining fence in the metal fence A according to the present invention, and a capturing surface that receives a boulder as a protective fence. is there.
In this embodiment, the face material 20 is composed of an expanded metal in which at least a part of the face material 20 has a mesh shape.
The expanded metal constituting the face material 20 is formed of a steel plate to which high corrosion resistance plating such as super dimmer is applied, like the support 10.

<3.1> Expanded metal Expanded metal is a mesh-like member formed by spreading a steel sheet while expanding it in a zigzag pattern using an expanding machine, and forming the cut into a rhombus or a turtle shell.
However, in the present embodiment, the upper edge portion 21, the intermediate portion 22, and the lower edge portion 23 are not cut at places corresponding to the upper edge portion 21, the intermediate portion 22, and the lower edge portion 23 of the face material 20. Remains in the shape of a band, and the remaining portion is a mesh portion 24.
The drainage can be improved by the mesh portion 24 functioning as a water passage portion.
Further, the mesh portion 24 contributes to weight reduction of the entire face material 20.
Since the face material 20 used in the present embodiment has a thickness of about 2.63 kg per thickness of 1.2 mm, a height of 500 mm, and a length of 1800 mm, it can be easily transported by human power.

<3.2> Aspects in the fence height direction The face material 20 increases the overall strength by configuring the fence height direction as a single member.
Therefore, in this invention, the aspect (for example, the aspect which formed the frame part of the face material 20 with the steel plate, and attached mesh members, such as a wire net and an expanded metal, etc. in the frame) is employ | adopted by multiple members. do not do.

<3.3> Arrangement mode in the width direction of the fence In the width direction of the metal fence A, when the plurality of face materials 20 are continuously arranged, the side edges of the adjacent face materials 20 are overlapped with a predetermined width. You may arrange.
In the present embodiment, the adjacent face materials 20 are overlapped at the connection portion between the support pillars 10 and the face material 20, and the double-faced materials 20 are collectively connected to the support pillars 10 by the connector 30.

<3.4> Formation of Rib Further, in the present embodiment, the strength of the face member 20 is further increased by providing the rib 221 formed so as to protrude in the front-rear direction at the intermediate portion 22 of the face member 20.
There are two methods for forming the rib 221: a method in which a portion corresponding to the intermediate portion 221 of the expanded metal constituting the face material 20 is appropriately folded and a method in which a steel material corresponding to the rib 221 is separately welded. Is preferable from the viewpoint of construction cost.

<4> Construction Method of Metal Fence Next, an example of the construction procedure of the metal fence according to the present invention will be described.

<4.1> Installation of support column First, the support column 10 is driven to stand on the installation surface X as a pile body while providing an appropriate interval in the width direction of the installation surface X.
The installation interval of the columns 10 is appropriately determined according to the width of the face material 20.

<4.2> Arrangement of Face Material Next, the face material 20 having the mesh portion 24 is spread between the support columns 10.
A well-known connector 30 is used for the connection between the column 10 and the face material 20.
In this embodiment, the connector 30 includes a U bolt 31 that can be inserted into the mesh of the face material, and a plate 32 and a nut 33 that can be inserted into and fastened to the U bolt 31.

<4.3> Completion of work Construction of the metal fence A on the installation surface X by sequentially repeating the work of <4.1> and <4.2> or performing in parallel within a consistent range. Complete the work.

In FIG. 2, the metal fence which concerns on Example 2 of this invention is shown.
In the present embodiment, bent portions 211 and 231 formed by horizontally bending the end portions of the upper edge portion 21 and the lower edge portion 23 of the face material 20 are provided, and the bent portions 211 and 231 are interposed therebetween. The plurality of face members 20 are stacked in the vertical direction.
The support | pillar 10 may be comprised with one member with respect to the some surface material 20 of an up-down direction, and may be comprised by connecting a some member mutually.
According to the present embodiment, the fence height can be easily adjusted by stacking the face materials in the vertical direction.

A metal fence 10 support 11 cap 20 face material 21 upper edge portion 211 bent portion 22 intermediate portion 221 rib 23 lower edge portion 231 bent portion 24 mesh portion 30 connector 31 U bolt 32 plate 33 nut X installation surface

The first invention of the present application, which has been made to solve the above-mentioned problems, is a metal fence that is arranged on the installation surface to exhibit the earth retaining function and the boulder capturing function, and is provided with a predetermined interval in the left-right direction of the installation surface. A plurality of struts to be erected, and a face material disposed between the struts, wherein the face material includes at least one expanded metal that is at least partially meshed. It is characterized by becoming.
Further, the second invention of the present application is characterized in that, in the first invention, the face material has a mesh shape except for an upper edge portion, an intermediate portion and a lower edge portion of the face material.
Further, a third invention of the present application is the above-mentioned second invention, further comprising a bent portion that bends the end portions of the upper edge portion and the lower edge portion in the front-rear direction, and the step is performed by bending the face material. The fourth invention of the present application is characterized in that, in the second invention or the third invention, a rib projecting in the front-rear direction is provided in the intermediate portion.
According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the support column and the face material are made of a corrosion-resistant plated steel plate .

Claims (5)

It is a metal fence that is placed on the installation surface to demonstrate the earth retaining function and the boulder capture function,
A plurality of support columns standing upright at predetermined intervals in the left-right direction of the installation surface;
And at least a face material disposed between the columns,
The face material is characterized by comprising at least one expanded metal as one member at least part of which is mesh-shaped,
Metal fence. The face material has a mesh shape except for the upper edge portion, the intermediate portion and the lower edge portion of the face material,
The metal fence according to claim 1. It has a bent portion that bends the end portions of the upper edge portion and the lower edge portion in the front-rear direction, and is bent and the face materials are stacked.
The metal fence according to claim 2. The intermediate part is provided with a rib protruding in the front-rear direction,
The metal fence according to claim 2 or 3. The struts and the face material are made of Superdimer (registered trademark),
The metal fence of any one of Claims 1 thru | or 4.

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