JPH0673926A - Concrete fence and construction method thereof - Google Patents

Abstract

PURPOSE:To erect and fix concrete fences easily and definitely and to turn them into one piece structure. CONSTITUTION:In terms of a concrete fence 4 where a belt-shaped sheet material 2 is laid out in the lower end of a fence main body 1 preliminarily formed with concrete and both ends of this belt-shaped sheet material 2 project to the both sides of the fence main body 1 and a pair of clamping pieces 3, which face each other, are projected to the top of the fence main body 1 virtually in the middle part and the lower end of the fence main body 1 are clamped between the both clamping pieces 3 in such a fashion that they may be moved in the front and rear directions and fixed freely, the concrete fence 4 is erected and loaded on a foundation. The lower end of the fence main body 1 is arranged to move in the front and rear directions between both clamping pieces 3 of the belt-shaped sheet material 2 and fixed at a proper position. Then, cement is cast around the lower end of the concrete fence 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete fence which is erected around a site such as a house and a construction method thereof.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
Blocks (a) made of G are stacked, and the reinforcing bars (b) are inserted into the hollow inside, and the cement (c) is inside the hollow.
There is known a concrete fence which is formed by filling up with and arranging it upright, and arranging this in a lateral direction.

[0003]

However, in the above-mentioned conventional technique, it is necessary to stack the blocks (a) on site and the construction is difficult, and moreover, a step is generated between the blocks (a). It was easy and difficult to construct with good appearance, and it was difficult to form a strong concrete fence.

Therefore, as shown in FIG. 7, a concrete wall (d) preformed into a predetermined shape by concrete has been considered. The concrete fence (d) has its lower end portion housed in an embedding hole (e) dug in the ground, cement (ha) is filled around the periphery to be fixed and buried, and the concrete fence (d) stands on the ground. It is set up. In this case, a crushed stone (f) is laid at the bottom of the burial hole (e), the lower end of the concrete fence (d) is placed on the crushed stone (f), and the cement (c)
It is fixed and integrated in.

However, in this case, it is difficult to move the concrete fence (d) on the crushed stone (f) in the horizontal direction, and it is difficult to adjust the standing position, and the concrete fence (d) is also difficult. It is easy to wobble and move, and it is difficult to set it upright while tilting the cement (c), and the concrete fence (d) is difficult to set up securely and firmly. It was

The present invention has been invented in order to solve the above-mentioned problems in the prior art, that is, the problem is that it can be easily installed upright and fixed as an integrated body on site, and furthermore, At that time, the standing position can be easily adjusted by moving it in the front and back direction, and the wobbling movement at the time of placing the cement after the adjustment is also prevented, so that the cement can be easily installed upright, and the standing position can be integrated. It is an object of the present invention to provide a concrete fence which has a good appearance as a product, and which can be erected and firmly fixed, and a construction method thereof.

[0007]

A concrete fence according to a first aspect of the present invention is a concrete fence in which a strip-shaped plate material is arranged at a lower end portion of a fence main body which is preformed by the concrete, and both end portions of the strip-shaped plate material are arranged. On both front and back sides of the same main body, and a pair of opposing sandwiching pieces are provided on the middle upper surface of the same strip plate material, and the lower end of the main body is moved and fixed between the two sandwiching pieces. The concrete fence according to claim 2) can be clamped freely, and the concrete fence construction method is that the concrete fence is erected on a foundation and the lower end of the fence body is clamped by both strip-shaped plate members. Between the pieces, it is moved in the front and back direction and fixed at an appropriate position, and then cement is cast around the lower end of the concrete fence, and the lower end of the concrete fence is joined together with the strip-shaped plate material. It is characterized by being embedded and fixed in cement, and by the concrete fence, To, by employing the same construction method, in which the problem has been resolved.

[0008]

In the concrete fence of the present invention, the strip-shaped plate material is arranged at the lower end of the fence main body preformed by the concrete,
Both end portions of the strip-shaped plate material are projected to both front and back sides of the same main body,
A pair of sandwiching pieces projecting from each other on the middle upper surface of the strip-shaped plate material, and the lower end portion of the fence main body is sandwiched between the sandwiching pieces so as to be movable and fixed in the front and back directions. It is placed upright, and the lower end of the fence main body is moved between the two sandwiching pieces of the strip-shaped plate material in the front and back directions to be fixed at an appropriate position, and then cemented around the lower end of the concrete fence. Is cast, and the lower end portion of the concrete fence is embedded and fixed in cement together with the strip-shaped plate material.

That is, the concrete fence can be easily installed as an integral body with a good appearance by simply fixing it upright, and at the time of installation, the standing position can be easily adjusted by moving it in the front and back direction. Is something that can be done. Further, the concrete fence is surely supported by the strip-shaped plate material at the lower end portion thereof, is hard to wobble when placing cement, and is easily erected upright. Further, after the cement is hardened, the strip-shaped plate material plays the role of an anchor, and the concrete wall is firmly and vertically erected.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A concrete fence 4 shown in FIGS. 1 and 2 is an embodiment of the present invention, in which a strip-shaped plate member 2 is arranged at a lower end portion of a fence main body 1 preformed by the concrete. , Both end portions of the strip-shaped plate member 2 are projected to both front and back sides of the same fence main body 1, and a pair of opposed sandwiching pieces 3 are projectingly provided in the middle upper surface of the strip-shaped plate member 2 between the both sandwiching pieces 3. The lower end of the fence main body 1 is clamped so as to be movable and fixed in the front and back directions. Further, the construction method of the concrete fence 4 is as follows. First, the concrete fence 4 is placed upright on the foundation 5, and the lower end of the fence body 1 is attached to the strip-shaped plate member 2.
The two sandwiching pieces 3 are moved in the front and back directions and fixed at appropriate positions, and then cement 6 is placed around the lower end of the concrete fence 4 to make the concrete fence 4
The lower end of the strip is embedded and fixed in the cement 6 together with the strip-shaped plate material 2.

The wall body 1 of the concrete wall 4 is commonly called a PC.
The plate is formed in a rectangular shape, and metal strip-shaped plate members 2 are arranged near both ends of the lower end portion of the plate. In this case, a pair of sandwiching pieces 3 are erected on the upper surface in the middle of the strip-shaped plate material 2, and the lower end portion of the fence main body 1 is housed between the sandwiching pieces 3. A through hole 7 is formed in the lower end portion of the fence main body 1, and a connecting bolt 8 inserted into the through hole 7 is fixed to the holding pieces 3 on both sides by fastening a fixing nut 9. The fence main body 1 is slidably moved in the front-back direction along the connecting bolts 8, and the fence main body 1 is moved by a pair of moving nuts 10 screwed to the connecting bolts 8 in an appropriate position. The lower end portion of is fixed to the strip-shaped plate material 2.

Both end portions of the strip-shaped plate material 2 are projected to both front and back sides of the fence main body 1, and screw holes 11 are formed in both end portions of the projected strip-shaped plate material 2. In each screw hole 11, a support bolt 12 is screwed and held so that it can be moved up and down,
A rotatable ground member 13 is provided at the lower end of the support bolt 12. Even when the grounding member 13 is grounded on the foundation 5, the support bolt 12 can be easily rotated, and the concrete is erected on the foundation 5 by the operation. The height and inclination of the fence 4 are adjusted.

In constructing the concrete fence 4, first, a burial hole 14 is dug in the ground, crushed stones 15 are laid in the burial hole 14, and the foundation 5 is sufficiently compacted by rolling. Form. Next, as shown in FIG. 2, the concrete fence 4 is erected on the foundation 5, and in this state, the concrete fence 4 is placed.
The height and inclination of the fence 4 are adjusted. In this case, the support bolts 12 are pivotally operated to adjust the amount of protrusion from the strip-shaped plate material 2. At the same time, with the moving nuts 10 on both sides of the lower end portion of the concrete fence 4 being loosened, the lower end portion of the fence body 1 of the concrete fence 4 is slid in the front and back directions so that its standing position is increased. After the adjustment is completed, both moving nuts 10 are tightened and the concrete
The lower end of the toe wall 4 is fixed.

Finally, the concrete fence 4 in the burial hole 14
Cement 6 is poured around the lower end of the
In this case, the cement 6 is cured and hardened so that the lower end of the concrete fence 4 is embedded and fixed in the cement 6 together with the strip-shaped plate material 2, the support bolts 12, and the like. Further, the cement 6 enters the gap between the crushed stones 15 of the foundation 5 and is integrated with the foundation 5.

Therefore, the concrete fence 4 of the embodiment
In addition, in the construction method, by simply standing and fixing, it is constructed as a single body with a simple and good appearance, and at the time of construction, the fence main body 1 is moved on the strip-shaped plate material 2 in the front-back direction to easily stand it. The installation position can be adjusted, and the height and inclination can be easily adjusted by rotating the support bolt 12. Further, the concrete fence 4 is securely supported by the strip-shaped plate material 2 and the support bolts 12 at the lower end portion thereof, is hard to wobble when the cement 6 is placed, and is easily erected upright. is there. Further, after the cement 6 is hardened, the strip-shaped plate material 2, the support bolts 12 and the like serve as anchors,
The concrete fence 4 is firmly and vertically fixed.

The concrete fence and the method for constructing the same according to the present invention may be as in the embodiment shown in FIGS. 3 and 4. That is, in this embodiment, the fixed leg bodies 16 are provided so as to hang down below both side ends of the fence main body 1, and the fixed leg bodies 16 are provided on the strip-shaped plate member 2 with a pair of sandwiching pieces 3.
It is sandwiched between them. The fixed leg 16 is made of a metal hollow square tube and is embedded and fixedly integrated in the lower end portion of the wall body 1, and is sandwiched between both sandwiching pieces 3 via wedge pieces 17 on both front and back sides thereof. . In this case, by adjusting the degree of driving of the wedge pieces 17 on both the front and back sides, the position of the fence body 1 in the front and back direction between the sandwiching pieces 3 is changed and fixed, and the standing position of the concrete fence 4 is adjusted. It is something. Further, in this embodiment, the strip-shaped plate member 2 and the sandwiching piece 3 are integrally formed of synthetic resin, and the wedge piece 17 is also formed of synthetic resin. The foundation 5 is formed by laying crushed stones 15 and stacking concrete layers 18 on top of each other.

Further, the concrete fence and the method for constructing the same according to the present invention may be as in the embodiment shown in FIG. That is, in this embodiment, the pair of substantially L-shaped metal fittings 19 are fixed to the middle upper surface of the strip-shaped plate member 2 with the attachment bolts 20, so that both the sandwiching pieces 3 are projected. Moving bolts 21 projecting inward are respectively screwed and held on the two holding pieces 3, and the lower end portion of the fence main body 1 is held between the inner end portions of the moving bolts 21. In this case, the position of the lower end portion of the fence main body 1 can be moved and adjusted by screwing both moving bolts 21.
In addition, supporting leg pieces bent downward are provided at both ends of the strip member 2.
The support leg pieces 22 are formed integrally with each other, and the support leg pieces 22 are stably abutted and mounted on the foundation 5.

[0018]

As described above, according to the concrete fence of the present invention and the method for constructing the same, it can be simply and satisfactorily constructed as a unitary body by simply standing and fixing it, and, in the construction, in the front and back direction. The standing position can be easily adjusted by moving it, and the concrete fence is securely supported by the strip-shaped plate material at the lower end of the concrete fence so that it does not wobble when placing cement and does not move upright. It is easy to set up on the floor, and after the cement has hardened,
The strip-shaped plate material plays the role of an anchor, and the concrete fence is erected and firmly fixed.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a concrete fence of the present invention.

FIG. 2 is a sectional view of an essential part showing a construction state of the concrete fence of the embodiment.

FIG. 3 is a perspective view showing a concrete fence which is another embodiment.

FIG. 4 is a sectional view of an essential part showing a construction state of the concrete fence of the embodiment.

FIG. 5 is a sectional view of an essential part showing a construction state of a concrete fence which is still another embodiment.

FIG. 6 is a perspective view showing a conventional example of the present invention.

FIG. 7 is a cross-sectional view showing a conventional improvement plan of the present invention.

[Explanation of symbols]

 1 fence main body 2 strip plate material 3 sandwiching piece 4 concrete fence 5 foundation 6 cement

Claims (2)

[Claims] 1. A strip-shaped plate material is disposed at a lower end portion of a fence main body preformed by concrete, and both end portions of the strip-shaped plate material are projected to both front and back sides of the same fence main body. A concrete fence in which a pair of opposing sandwiching pieces are provided on the upper surface so that the lower end portion of the same fence main body is sandwiched between the sandwiching pieces so as to be movable and fixed in the front and back directions. 2. The concrete fence according to claim 1) is placed upright on a foundation, and the lower end portion of the fence main body is moved in the front-back direction between both sandwiching pieces of the strip-shaped plate material to an appropriate position. Concrete, and thereafter, cement is cast around the lower end of the concrete fence, and the lower end of the concrete fence is embedded and fixed in the cement together with the strip-shaped plate material. How to construct the fence.