JP7033321B2 - Fence structure, fence material and how to build a fence - Google Patents

Description

The present invention relates to a fence structure, a fence material constituting the fence structure, and a method for constructing a fence using the fence material.

Conventionally, concrete block fences and wet concrete where concrete is placed on-site have been used as fences that are installed at the boundary between adjacent houses and the boundary between houses and roads to prevent the entry and exit of others and to block the view. Fences are often used. In addition, a dry concrete fence is also used, in which precast concrete panels are manufactured at a factory and transported to the site for construction.

However, since the concrete block wall is constructed by arranging reinforcing bars vertically and horizontally and stacking blocks while filling with mortar, it takes a lot of time and effort to work on site. Also, in the case of a wet concrete fence, the formwork is installed so that the reinforcing bars are assembled vertically and horizontally, the formwork is poured into the formwork, and the concrete is hardened and dried before the formwork is removed. It took a lot of time and effort to work in. On the other hand, in the case of a dry concrete fence, although it is possible to save the time to harden and dry the concrete at the site and shorten the construction period, it is large because the heavy precast concrete panel is transported and constructed at the site. There was a problem that it required a large number of workers as well as a transport vehicle and a crane.

In addition, wet concrete fences that require large formwork and heavy precast concrete are used in places where large transport vehicles and cranes cannot enter, such as places where the surrounding road width is narrow or where the surplus site area is small. There was a problem that dry concrete fences using concrete panels could not be constructed.

Furthermore, in the case of concrete block walls and concrete walls, various standards such as the spacing between reinforcing bars, the height and thickness of the fence, and the depth of foundation penetration are required by law in order to maintain the specified strength to prevent collapse. However, there are a large number of old fences nationwide that do not meet the current standards. In recent years, due to the enormous damage caused by large-scale earthquakes, old fences that do not meet the current standards are required to be dismantled and removed and replaced with new fences. Due to the above-mentioned problems in the construction of fences, the fact is that the reconstruction of fences has not progressed. If a new wall can be constructed by reducing labor and time, even if the road width and site are narrow, it is considered that the rebuilding of the wall will be promoted.

On the other hand, metal and wooden fences (fences, board fences) can be constructed without much labor and time even when the road width or site is narrow, but the fence feels profound. There is a circumstance that it is not liked by consumers who seek.

Therefore, in the past, the applicant can reduce labor and time to construct a wall structure even when the road width and site are narrow, and at the same time, give a profound feeling to the wall structure and for its construction. A fence material has been proposed and implemented (see, for example, Patent Document 1). The present invention has been made as a result of further studies for increasing the variation of the fence structure and the fence material of the same concept.

JP-A-2018-135703

Therefore, as described above, the present invention can be constructed by reducing labor and time even when the road width or the site is narrow, and at the same time, constructs a fence structure that gives a profound feeling. It is an object to provide a fence material to be used and a method for constructing a fence using the fence material.

In order to solve the above problems, the wall structure according to the present invention is
"It is a fence structure in which a fence panel is held between adjacent columns.
In the support column, a flat plate-shaped base surface portion and a long main pillar portion having a U-shaped cross section form an L-shape, and as the main pillar portion, the extending direction of the base surface portion is the front-rear direction and the main pillar portion. It is provided with at least one main pillar portion in which the U-shaped opening is directed to either the left-right direction when the extending direction is the vertical direction.
The fence panel has a hollow structure in which the panel material covers the opening of the frame in which the horizontal member and the vertical member are assembled from both sides.
With the base surface portion in contact with the ground, the support is erected from the ground by burying an anchor penetrating the base surface portion in the ground.
The fence panel is dropped into the U-shaped opening between the adjacent columns, the columns of which the U-shaped openings of the main pillars are arranged so as to face each other. Is retained. "

The wall structure according to the present invention can be constructed by the following construction method. That is,
"By burying the anchor through which the hole for the anchor is inserted in the state where the base surface portion is in contact with the ground, the anchor portion is embedded in the ground.
The columns are erected from the ground so that the U-shaped openings of the main columns of the adjacent columns face each other.
This is a construction method in which the fence panel is held by the pillar by dropping the fence panel into the U-shaped opening of the main pillar portion of each of the adjacent pillars.

The fence structure of this configuration is constructed by erecting a plurality of columns from the ground and inserting the wall panels between the columns so as to drop them. Both the columns and the fence panels can be manufactured in advance at the factory, and there is no need to fix the fence panels to each other at the construction site. Therefore, it is possible to construct the fence structure with significantly reduced labor and time as compared with the conventional concrete block fence and wet concrete fence.

In addition, the fence panel has a hollow structure in which the frame is covered with a panel material, so that it is extremely lightweight. Therefore, depending on the size setting, one or two workers can manually carry it. Therefore, even at a construction site where the road width and site area are narrow and large transport vehicles and cranes cannot enter, the fence structure can be constructed without any problem.

Further, in the wall structure of the present embodiment, by setting the extending direction of the base surface portion toward the inside of the area of the owner who constructs the wall, all the construction work can be performed in the area of the owner. Therefore, when constructing a fence, there is no need for complicated procedures such as obtaining permission to enter an area under the control of another person.

Furthermore, although the fence panel has a lightweight hollow structure, it has a frame with increased mechanical strength by assembling horizontal members and vertical members, so even if it receives strong winds due to vibrations due to earthquakes or typhoons, etc. It is possible to construct a solid fence structure that does not deform or break.

In addition, the pillars that hold the fence panel have an L-shape between the main pillar and the base surface, and the anchors that penetrate the base surface are buried in the ground, so the pillars are firmly fixed to the ground. The fence structure is extremely sturdy and hard to collapse.

Further, although the fence panel constituting the fence structure is a hollow structure, it cannot be seen from the appearance that it is a hollow structure because the frame is covered with the panel material. Therefore, it is possible to construct a fence that gives a profound feeling compared to a metal or wooden fence.

Next, the "fence material" according to the present invention is
"It is a fence material with columns and fence panels,
In the support column, a flat plate-shaped base surface portion and a long main pillar portion having a U-shaped cross section form an L-shape, and as the main pillar portion, the extending direction of the base surface portion is the front-rear direction and the main pillar portion. It is provided with at least one main pillar portion having the U-shaped opening facing any of the left-right directions when the extending direction is the vertical direction, and an anchor hole portion is formed in the base surface portion. It is a thing
The fence panel has a hollow structure in which the opening of the frame in which the horizontal member and the vertical member are assembled is covered with the panel material from both sides. "

This is a fence material that constitutes the above-mentioned fence structure and is used in the above-mentioned method for constructing a fence.

Further, in addition to the above configuration, the "fence material" according to the present invention has a structure.
"The fence panel is provided with a non-woven fabric layer on the outer surface of the panel material.
A seam made of thread is formed on the non-woven fabric layer. "

In this configuration, the outer surface of the fence panel is a fluffy non-woven fabric layer, and fine irregularities are formed by the seams of the threads. In addition to fluffing, the presence of fine irregularities due to the seams can enhance the adhesiveness of the decorative layer to the fence panel. The decorative layer can be provided by applying or spraying a paint, or by attaching a surface material such as tile, and a layer of a base material may be provided between the decorative layer and the non-woven fabric layer.

As described above, as an effect of the present invention, a fence structure that can be constructed even when the road width or the site is narrow by reducing labor and time, and a fence structure that gives a profound feeling, is configured. It is possible to provide a fence material to be used and a method for constructing a fence using the fence material.

It is a perspective view of the fence structure of one Embodiment of this invention. (A) A side view of the support column 10A and (b) a vertical cross-sectional view of the support column 10A cut at the center. (A) The main part plan view of the support column 10A, (b) the main part plan view of the support column 10B, (c) the main part plan view of the support column 10C, and (d) the main part plan view of the support column 10D. It is an exploded perspective view of a fence panel. It is an exploded perspective view explaining the construction method of a fence structure. (A) is a cross-sectional view of a main part (side view) for explaining the burying of an anchor, and (b) is a cross-sectional view of a main part (front view) for explaining the burying of an anchor.

Hereinafter, a fence structure according to an embodiment of the present invention, a fence material constituting the fence structure, and a method for constructing a fence using the fence material will be described with reference to the drawings.

First, the structure of the fence material will be described. The fence material of the present embodiment includes a support column 10, an anchor 20, and a fence panel 30. There are a plurality of types of columns 10 as described later, but when it is not necessary to distinguish them, they are collectively referred to as "supports 10".

The plurality of types of pillars 10 include a base portion 12 and one or more main pillar portions 11 as a common configuration. The base portion 12 includes an elongated rectangular and flat plate-shaped base surface portion 12a and a pair of standing wall portions 12b rising from a pair of long sides of the base surface portion 12a at right angles to the base surface portion 12a, and the base surface portion 12a extends. The cross section in the direction orthogonal to the direction is a single U-shape. A plurality of anchor hole portions 12h are formed through the base surface portion 12a. The base surface portion 12a is a portion that comes into contact with the ground.

One main pillar portion 11 includes an elongated rectangular and flat plate-shaped intermediate wall portion 11a and a pair of side wall portions 11b extending at right angles to the intermediate wall portion 11a from a pair of long sides of the intermediate wall portion 11a. The cross section in the direction orthogonal to the extending direction of the intermediate wall portion 11a is a single U-shape. The longitudinal direction of the base portion 12 (the direction in which the base surface portion 12a extends) and the longitudinal direction of the main pillar portion 11 (the direction in which the intermediate wall portion 11a extends) are at right angles, and the main pillar portion 11 is L-shaped together with the base portion 12. Is forming.

The pillars 10 include columns 10A and 10B having two main pillars 11 and columns 10C and 10D having one main pillar 11. In the following, the types of the columns 10 will be described using "left direction" and "right direction", but "left and right" here means that the longitudinal direction of the base portion 12 is the front-rear direction and the longitudinal direction of the main column portion 11. Is the left and right when the direction is up and down.

First, in the support column 10A, as shown in FIG. 3A, the main pillar portion 11 having the U-shape opened to the right and the main pillar portion 11 having the U-shape opened to the left are mutually arranged. In a state where the intermediate wall portions 11a of the above are overlapped with each other, they are integrated with the base portion 12.

As shown in FIG. 3B, the pillar 10B has an intermediate wall portion 11a of the main pillar portion 11 having a U-shaped opening to the right or left, and a main pillar having a U-shaped opening to the front. The side wall portion 11b of the portion 11 is overlapped with the base portion 12 and integrated with the base portion 12. Here, the case where one of the main pillar portions 11 is open to the right is shown, and the intermediate wall portion 11a of the main pillar portion 11 that is open to the right is the long side on the left side of the base surface portion 12a. It is located on the extension line of. In the support column 10B when one of the main pillar portions 11 is open to the left, the intermediate wall portion 11a of the main pillar portion 11 which is open to the left is on the extension line of the long side on the right side of the base surface portion 12a. Formed to be located.

As shown in FIG. 3C, in the support column 10C, one main column portion 11 opens a U-shape to the left, and the intermediate wall portion 11a is located on the extension line of the long side on the right side of the base surface portion 12a. As such, it is integrated with the base portion 12. On the other hand, as shown in FIG. 3D, in the support column 10D, one main column portion 11 opens a U-shape to the right, and the intermediate wall portion 11a thereof is on an extension line of the left long side of the base surface portion 12a. It is integrated with the base portion 12 so as to be located at.

In each of the columns 10, a flat plate-shaped mounting table 13 for mounting the fence panel 30 at a predetermined height from the surface extending the base surface portion 12a in the intermediate wall portion 11a is provided in the longitudinal direction of the intermediate wall portion 11a. It is installed so that it forms a right angle to the other. Further, in the column 10, the base portion 12 and the main column portion 11 are connected by a triangular reinforcing plate 19 at a portion corresponding to an L-shaped corner portion, and the mechanical strength is enhanced.

The height of the pillar 10 is set according to the height of the fence to be constructed, and the height from the mounting table 13 to the upper end of the main pillar portion 11 is a plurality of times the height of the fence panel 30. And.

The fence panel 30 includes a frame 31 in which a horizontal member 31a and a vertical member 31b are assembled, a panel material 32 that covers the openings of the frame 31 from both sides, and a non-woven fabric layer 32c that covers the outer surface of the panel material 32. Is the main configuration.

The frame 31 is made of aluminum, and a rectangular frame is formed by a pair of vertical members 31b and a horizontal member 31a longer than the vertical member 31b, and then the pair of horizontal members 31a are further connected by a plurality of vertical members 31b. It is formed. The frame 31 is provided with a positioning hole 31h on the upper surface of the cross member 31a on the upper side when the opening is opened in the front-rear direction and the extending direction of the cross member 31a is in the left-right direction. A positioning pin 31p is projected downward from the lower surface of the cross member 31a on the lower side.

The panel material 32 is a rectangular flat plate whose outer shape is substantially the same as the outer shape of the frame 31. The panel material 32 has a honeycomb structure in which both sides of a resin core material 32a are covered with a resin sheet 32b. It is a thin plate having a thickness of 10 mm to 20 mm and is lightweight, yet has high bending strength and high bending rigidity. ing.

The fence panel 30 is formed by covering the openings of the frame 31 with panel materials 32 from both sides. The panel material 32 further has a nonwoven fabric layer 32c on its outer surface, and the nonwoven fabric layers 32c on both sides are sewn together with a resin thread through the spaces in the resin sheet 32b, the core material 32a, and the frame 31. , A large number of seams 32s appear on the outer surface of the nonwoven fabric layer 32c. The thickness of the entire wall panel 30 is set to be slightly shorter than the U-shaped opening width in the main pillar portion 11 of the pillar 10, that is, the distance between the pair of side wall portions 11b.

The anchor 20 has a long rod shape with a sharp lower end, a male screw is formed at least at the upper end, and an uneven surface for increasing frictional force is formed on the surface of the remaining portion. It is desirable that the anchor 20 is made of a material having excellent corrosion resistance and rust resistance and high tensile strength. The male screw at the upper end of the anchor 20 is screwed with the nut 25.

Next, the construction of a fence structure using the fence material having the above structure will be described. Here, in the case of dividing two areas by constructing a fence, an area under the control of the owner who constructs the fence (hereinafter referred to as "owner area") and an area under the control of another person. The case where and is divided by a fence is illustrated.

First, the columns 10 are erected from the ground along the line for constructing the fence (hereinafter referred to as "construction line"). Here, when the construction line is viewed from the client area side, the support column 10C is arranged at the right end of the construction line, the support column 10D is arranged at the left end of the construction line, and the support column 10B is arranged at the corner where the construction line bends at a right angle. do. Then, the support column 10A is arranged at a position in the middle of the construction line where the fence should extend on both sides.

Further, the center line (vertical center line) of the intermediate wall portion 11a in the main pillar portion 11 of each pillar 10 is located on the construction line, and the base portion 12 of each pillar 10 is inward of the client area. It extends toward and is arranged so as to be orthogonal to the construction line. In the case of the support column 10B arranged at the corner of the construction line, it is arranged so that one of the two orthogonal construction lines and the longitudinal direction of the base portion 12 are orthogonal to each other. In all of the columns 10 arranged as described above, the direction in which the U-shape of the main column 11 opens coincides with the direction in which the construction line extends. The distance between the adjacent columns 10 is the distance obtained by adding the clearance to the length in the longitudinal direction of the fence panel 30.

Prior to erecting the support column 10 from the ground, an underground hole larger than the anchor hole portion 12h is located at a position directly below the plurality of anchor hole portions 12h drilled in the base surface portion 12a to be brought into contact with the ground. Dig part 40h. The depth of the underground hole portion 40h is set to be larger than the length of the anchor 20.

Then, with the anchor 20 inserted in the underground hole portion 40h, the filler is poured into the underground hole portion 40h to fill it. Alternatively, the filler is poured into the underground hole 40h, and the anchor 20 is inserted before it hardens. The filler is filled until it reaches the opening edge of the underground hole 40h, and the surface of the filler layer 41 is made flush with the ground. The upper end of the anchor 20 is projected from the ground. The protruding length is slightly larger than the sum of the thickness of the base portion 12 and the height of the nut 25. As the filler, concrete, mortar, cement, or a resin-based adhesive can be used.

After the filler layer 41 is hardened, the upper end of the anchor 20 is inserted into the anchor hole 12h from below the base surface portion 12a while the base surface portion 12a is brought into contact with the ground. Since the anchor hole portion 12h is a long hole, it can be inserted into the anchor hole portion 12h even if the position of the anchor 20 embedded in the underground hole portion 40h is slightly displaced. Then, the nut 25 is screwed into the male screw at the upper end of the anchor 20 through which the anchor hole portion 12h is inserted and tightened. At that time, if the washer 26 is sandwiched between the nut 25 and the base surface portion 12a, the nut 25 can be stably fastened.

In this way, by fixing the base portion 12 to the ground by the anchor 20, the support column 10 can be erected from the ground.

As described above, in any of the columns 10, the direction in which the U-shape of the main column 11 is open coincides with the direction in which the construction line extends. For example, as shown in FIG. 1, when two construction lines L1 and L2 form a right angle and one construction line L1 extends to the left and right from the client area side, a support is provided at the right end of the construction lie L1. An example is a case where 10C is arranged, a support column 10B is arranged at the left end of the construction line L1, and two columns 10A are arranged between them. Further, in the example of FIG. 1, when the other construction line L2 is viewed so as to extend from the client area side to the left and right, the support column 10B is located at the right end, and the support column 10D is arranged at the left end of the construction line L2. At the same time, one support column 10A is arranged between them.

Then, the U-shape of the main pillar portion 11 having one of the pillars 10C at the right end of the construction line L1 opens toward the left, and in the pillar 10A adjacent to the left side thereof, the two main pillar portions 11 One of them opens to the right. Further, between two adjacent columns 10A, one of the two main column portions 11 of the right column 10A is open to the left, and one of the two main column portions 11 of the left column 10A is open. Is open to the right. Further, of the two main pillar portions 11 of the column 10B, one is opened to the right in the construction line L1 and the other main pillar portion 11 is opened to the left in the construction line L2. One main pillar portion 11 opens to the right in the pillar 10D at the left end of the construction line L2, and two main pillar portions 11 in the pillar 10A arranged between the pillar 10D and the pillar 10B in the construction line L2. Is open to the left and right.

That is, in the pillars 10 adjacent to each other in any construction line, the main pillar portions 11 are opened so as to face each other in a U shape. Therefore, a pair of short sides of the fence panel 30 can be inserted along the opening of the main pillar portion 11 of each of the adjacent pillars 10 so as to drop the fence panel 30 (see FIG. 5). The fence panels 30 are stacked in a plurality of stages by inserting a plurality of the fence panels 30 according to the height of the columns 10. At that time, a plurality of fence panels are inserted by inserting the positioning pins 31p protruding from the lower surface of the frame 31 in the upper fence panel 30 into the positioning holes 31h formed on the upper surface of the frame 31 in the lower fence panel 30. The surfaces of 30 can be stacked in an orderly manner so that they are flush with each other.

Construction of the fence structure is completed by inserting the fence panel 30 between all the columns 10 in the same manner, but concrete may be poured from the ground to the height of the lower surface of the mounting table 13 on the columns 10 (FIG. 6). (A), (b)). By doing so, the base portion 12 is embedded in the concrete layer 42, and there is no gap between the ground surface GL and the fence panel 30, so that the fence structure has a good appearance. Since the positioning pin 31p protruding downward from the lowermost fence panel 30 is embedded in the concrete layer 42, the fence panel 30 is also supported by the concrete layer 42.

By spanning a cap tree over the upper ends of all the columns 10 on the same construction line, it is possible to prevent rainwater from entering the inside of the wall panel 30 having a laminated structure, and the appearance of the wall structure. Will also be good.

Further, in each column 10, a screw hole 11h is formed in the side wall portion 11b of the pair of side wall portions 11b of the main column portion 11 facing inward of the client region. By driving a screw into the fence panel 30 through the screw hole 11h, it is possible to stabilize the state in which the fence panel 30 is held between the adjacent columns 10.

A decorative layer can be provided on the outer surface of the fence panel 30 by applying or spraying paint, or by attaching a surface material such as tile. The outer surface of the fence panel 30 is a non-woven fabric layer 32c, which is fluffy and has a large number of fine irregularities formed by a large number of seams 32s. As a result, the adhesiveness of the decorative layer to the fence panel 30 can be enhanced.

As described above, the fence structure of the present embodiment is constructed by erecting a plurality of columns 10 from the ground and inserting the wall panels 30 between the columns 10 so as to drop them. Both the columns 10 and the fence panels 30 can be manufactured in advance at the factory, and there is no need for the work of fixing the fence panels 30 to each other at the construction site. Therefore, it is possible to construct the fence structure with significantly reduced labor and time as compared with the conventional concrete block fence and wet concrete fence.

Further, the fence panel 30 has a hollow structure in which the frame 31 is covered with the panel material 32, and the frame 31 is made of aluminum, so that it is very lightweight. Therefore, depending on the size setting, one or two workers can manually carry it. Therefore, even at a construction site where the road width and site area are narrow and large transport vehicles and cranes cannot enter, the fence structure can be constructed without any problem.

Further, in the fence structure of the present embodiment, since all the construction work can be performed in the owner area, complicated procedures such as obtaining permission to enter the area under the control of another person are unnecessary.

Further, although the fence panel 30 has a lightweight hollow structure, it is provided with a metal frame 31 whose mechanical strength is increased by assembling the horizontal member 31a and the vertical member 31b, so that vibration due to an earthquake, a typhoon, etc. It is possible to construct a solid fence structure that does not deform or break even when exposed to strong winds.

In addition, the pillar 10 holding the fence panel 30 has an L-shaped main pillar portion 11 and a base portion 12, and a long anchor 20 fastened to the base portion 12 is buried in the ground. 10 is firmly fixed to the ground, and the fence structure is extremely sturdy and hard to collapse.

Further, although the fence panel 30 constituting the fence structure has a hollow structure, it is not clear from the appearance that the fence panel 30 has a hollow structure, so that it is possible to construct a fence that gives a profound feeling as compared with a metal or wooden fence. ..

Although the present invention has been described above with reference to suitable embodiments, the present invention is not limited to the above embodiments, and as shown below, various improvements are made without departing from the gist of the present invention. And the design can be changed.

For example, the number of fence panels 30 stacked in the height direction is not limited to the number shown in the drawings. Further, the arrangement of the support columns 10 is merely an example. For example, a fence structure having a short length can be constructed only by holding the fence panel 30 between the columns 10C and the columns 10D, and the columns 10B are arranged between the columns 10C and the columns 10D, and the columns 10C are arranged. A short fence structure having corners can be constructed only by holding the fence panel 30 between the support and the support 10B and between the support 10C, the support 10B, and the support 10D.

10 Column 10A Column 10B Column 10C Column 10D Column 11 Main column 12 Base 12a Base surface 12h Anchor hole 20 Anchor 30 Fence panel 31 Frame 31a Horizontal material 31b Vertical material 32 Panel material 32c Non-woven fabric layer 32s Seams

Claims (3)

It is a fence structure in which a fence panel is held between adjacent columns.
In the support column, a flat plate-shaped base surface portion and a long main pillar portion having a U-shaped cross section form an L-shape, and as the main pillar portion, the extending direction of the base surface portion is the front-rear direction and the main pillar portion. It is provided with at least one main pillar portion in which the U-shaped opening is directed to either the left-right direction when the extending direction is the vertical direction.
The fence panel has a hollow structure in which the opening of the frame in which the horizontal member and the vertical member are assembled is covered with the panel material from both sides , and the outer surface of the panel material is provided with a non-woven fabric layer. The non-woven fabric layer has seams formed by threads.
With the base surface portion in contact with the ground, the support is erected from the ground by burying an anchor penetrating the base surface portion in the ground.
The fence panel by being dropped into the U-shaped opening between the pillars that are adjacent to each other and are arranged such that the U-shaped openings of the main pillar portions face each other. Fence structure characterized by being held. It is a fence material with columns and fence panels,
In the support column, a flat plate-shaped base surface portion and a long main pillar portion having a U-shaped cross section form an L-shape, and as the main pillar portion, the extending direction of the base surface portion is the front-rear direction and the main pillar portion. It is provided with at least one main pillar portion having the U-shaped opening facing any of the left-right directions when the extending direction is the vertical direction, and an anchor hole portion is formed in the base surface portion. It is a thing
The fence panel has a hollow structure in which the opening of the frame in which the horizontal member and the vertical member are assembled is covered with the panel material from both sides , and the outer surface of the panel material is provided with a non-woven fabric layer. The non-woven fabric layer has seams formed by threads.
A wall material that is characterized by that. It is a method of constructing a fence using the fence material according to claim 2 .
By burying the anchor through which the hole for the anchor is inserted in the state where the base surface portion is in contact with the ground, the anchor portion is embedded in the ground.
The columns are erected from the ground so that the U-shaped openings of the main columns of the adjacent columns face each other.
A method for constructing a fence, characterized in that the fence panel is held by the pillar by dropping the fence panel into the U-shaped opening of the main pillar portion of each of the adjacent pillars.

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