JPH0735869Y2 - Retaining wall construction unit using Majiishi - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] This invention has sufficient strength in a retaining wall that is made of natural stones such as granite and Komatsu stone as stones for stone wall, and has excellent aesthetics. The present invention relates to a retaining wall construction unit that uses Majiro stone that can significantly reduce the construction period.

[0002]

2. Description of the Related Art Retaining wall construction methods that have been performed in Japan since ancient times include the earth retaining method using stone stones. Machi-ishi used for this retaining wall construction is made of natural stone material such as granite, Komatsu stone, etc., which is processed into an approximately quadrangular pyramid shape from the "face" on the outside and the "trunk" of the sharp part on the back side. , The weight of one is about 3
It is about 0 to 40 kg. In this construction with Shirushi stone, the surface is faced up and the gutters are directed toward the wall, backfilling and stacking.

[0003]

[Problems to be solved by the invention] However, in this construction using sapile stones, it is necessary to firmly bond the sapley stones to each other, and at the same time, to firmly solidify the earth and sand between the girders. Skilled craftsmen build and build each one one by one at the construction site, making it extremely laborious, time-consuming, and expensive.

Therefore, the present invention has been devised in view of various existing circumstances as described above, and it is possible to maintain the strength of a natural stone material even if the weight thereof is reduced by half. The present invention has been completed, paying attention to the fact that the construction work is easy and the process can be drastically shortened. In other words, the surface part of the conventionally used silliphite remains the surface that has the characteristics of natural stone, the shank part is made into a lightweight unit with a reinforcing bar frame structure, and the connection between adjacent parts is also made. An object of the present invention is to provide a retaining wall construction unit using sapile stone, which can easily obtain a sufficient strength by embedding the reinforcing bar frame in concrete.

[0005]

In order to achieve the above-mentioned object, in the present invention, the surface is a thin plate shape with natural stone-like irregularities, and a connecting groove 1'is formed in the periphery. Engage in the natural stone stone gable stone body 1 and the connecting groove 1 ',
The L-shaped strip-shaped connecting metal fitting 3 is connected to the back side of the sapile stone main body 1 via the adhesive 4 in a protruding manner, and the back side of the sapile stone main body 1 by being screwed to the connecting metal fitting 3. And a pair of left and right embedding frame members 2 made of reinforcing steel, which are embedded in a concrete material that is mounted on the back side of the main body 1 of the sill stone, and the main body 1 of the sill stone 1 that is arranged adjacent to the left and right. Each of them is provided with a connecting fitting 3, a connecting bolt 6 and a nut 5 for fastening the embedded frame members 2 to each other.

[0006]

In the retaining wall construction unit using the sham stone according to the present invention, the sill stone main body 1 disposed on the front side of the retaining wall or the like to be built has the appearance of the natural stone-like sile stone. The embedding frame material 2 that is exposed and attached to the back side of the Zashiroishi main body 1 is integrated with the concrete material to be cast into an embedding shape so that the surface of a retaining wall or the like made of concrete material Hold the Machi-ishi main body 1 firmly.

The connecting metal fitting 3 which is connected by engaging with the connecting groove 1'around the main stone 1 of the stone is firmly adhered to the main stone 1 of the adhesive by the adhesive 4 and is placed in the concrete material. The embedded frame material 2 is securely attached to and connected to the sillimon stone main body 1 without being separated by pressure, weight, etc.

In addition, the embedded frame members 2 attached by screwing to the connecting fittings 3 in a pair on the back side of the main body 1 of the chimpanzee stone are arranged adjacent to each other in the left-right direction at the screwing portion. The stone bodies 1 are joined to each other through the connecting bolts 6 and the nuts 5.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the drawings, reference numeral 1 indicates a thin plate-shaped natural material arranged on the front side of a retaining wall, stone wall, etc. to be built. The main body of stone is stone stone, and this stone body 1 is made of natural stone such as granite stone and Komatsu stone, which is the same as the conventional stone stone, and has a wall thickness of, for example, about 60 mm and length and width of 300 × 400.
It is formed by cutting into a plate-like material having a size of about mm, and the surface thereof has a natural uneven shape of the natural stone material. Of course, the thickness width, vertical and horizontal lengths, etc. of the Majiro stone body 1 are not limited to these.
In addition, as shown in the figure, between the front side part at the time of construction and the back side part where the length and width are formed to be slightly smaller than this front side part, in this Matoshiki main body 1 A connecting groove 1'to which a tip of a connecting fitting 3 to be described later is engaged and adhered is formed on the peripheral edge.

On the right and left sides of the backside of the main body 1 of the pallet, embedded reinforcing frame members 2 made of V-shaped, U-shaped or the like when viewed from the side are projected rearward via the connecting fittings 3. It is attached in the vertical direction, and the embedded frame material 2 itself is embedded in the concrete material that is cast during the construction to be integrated into the retaining wall. Embedded frame material 2
The attachment and connection to the main body 1 of the shakuishi engages with the upper and lower parts of the connecting groove 1'in the left and right side edge positions of the main body 1 of the shakuishi, and further, for example, an adhesive 4 of a two-component epoxy resin type. Is performed through the connecting metal fitting 3 connected by filling. The connecting fitting 3 is made of stainless steel in the form of a strip plate whose tip is bent into an L shape so as to be engaged with the inside of the connecting groove 1 ′, and the rear end of this connecting fitting 3 is the embedded frame member 2 The tip end itself is crushed, or the strip plate member is welded to the tip end of the embedded frame material 2, and the connecting end portion 2'formed at the tip end of the embedded frame material 2 is connected by screwing. Is done.

Reference numeral 5 in the drawing denotes a connecting bolt which is inserted between the connecting end portion 2'of the embedded frame member 2 and the rear end of the connecting metal fitting 3 so as to screw them together. 6, which is a nut used for fastening 6, and one connecting bolt 6 is inserted into each of the embedded frame member 2 and the connecting metal fitting 3, which are arranged at the left and right in correspondence with each other in the vertical position, Both 2 ', 3
It is also possible to fasten and fix with a pair of nuts 5 from the respective left and right side surfaces.

Further, the connecting bolt 6 is also used for connecting the sill stone main bodies 1 which are arranged adjacent to each other on the left and right at the time of construction, and as shown in FIG. , The left and right adjacent sill stone bodies 1 are arranged to straddle each other, and the other adjacent embedded frame member 2
The connecting bolt 6 having the connecting end 2 ′ and the rear end of the connecting fitting 3 inserted therein is fastened with the nut 5.

The retaining wall construction unit according to the present invention is constructed as described above. Next, an example of construction for constructing a retaining wall using the present invention unit will be explained. At the front side position of the retaining wall etc. corresponding to the stone wall etc., the predetermined number of vertical and horizontal directions are arranged so that the surface of the main body 1 of the Shichimi stone is aligned with each other, while standing up through the ground from the foundation not shown. The embedded frame material 2 is fixed to the raised support bars by welding or the like to assemble it into a panel shape. At this time, between the horizontally adjoining stones main body 1,
Connection metal fittings 3 mounted on the back side of this, embedded frame material 2
The connecting end portions 2'of the above are connected to each other via connecting bolts 6 and nuts 5 which are screwed and fixed. Then, by inserting and placing concrete material between the cut soil surface which is the back side of the retaining wall and the like, the back panel and the like, and by integrating so that the embedded frame material 2 is embedded in this concrete material, The construction will be completed as a ready-made retaining wall, stone wall, etc.

[0014]

The present invention is constructed as described above. Therefore, the surface of the retaining wall, etc. to be built is the same as the conventional one because the surface of the main stone 1 of natural stone is exposed. The embedding frame material 2 part which is beautiful and is embedded inside the retaining wall becomes a girder part and is integrated with the concrete material that is placed into the embedding form to obtain sufficient strength. Since the part of the stone body 1 is formed as a thin one, it does not become bulky in weight, and the weight of the stone, which is the raw material, is halved compared to the past and the overall weight is reduced, making it easier to handle and construct during work. It can be anything.

That is, even if the main body 1 of the stone is a thin plate, unlike the conventional stone, the concrete material to be placed on the back side of the main stone 1 is the embedded frame material. Since it is integrated through 2, it is possible to obtain a concrete retaining wall structure in terms of strength, and even if a thin stone of natural stone is ground, it will never become brittle. Presenting the landscape of the Chichi masonry,
It is no better than the conventional one.

Moreover, the embedding frame material 2 arranged on the back side of the sill stone main body 1 engages with the connecting groove 1'formed around the sill stone main body 1 and is bonded via the adhesive 4. Since it is screwed through the connecting metal fitting 3, it is securely and firmly attached, and depending on the pressure, weight, etc. of the concrete material that is cast during construction, the main body 1 and embedded frame material The embedded frame member 2 is securely attached to and connected to the slag stone main body 1 without being separated from or disassembled from 2, and the integrity of the slag stone main body 1 with the concrete material can be maintained.

Further, the embedded frame members 2 are attached to the back side of the sill stone main body 1 as a pair of right and left and are screwed to the connecting fitting 3, so that the embedded frame members 2 are arranged adjacent to each other in the left and right direction at the screwed portions. It is possible to join each of the gullstone bodies 1 to each other through the connecting bolts 6 and the nuts 5, and to firmly integrate the gullstone bodies 1 that are continuously arranged in the horizontal direction at the time of construction. .

As described above, according to the retaining wall construction unit of the present invention, the retaining wall and the like constructed in combination do not lose the aesthetic appearance of the conventional stone wall, and the embedded frame material 2 made of the reinforcing bar material and the concrete material. Together with the reinforcement, the strength can be maintained sufficiently and the retaining wall construction process can be greatly shortened.

[Brief description of drawings]

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

FIG. 2 is a side view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is a plan view of an essential part in the case of connecting in the left-right direction adjacent to each other.

[Explanation of symbols]

 1 ... Machiishi main body 1 '... connecting groove 2 ... embedded frame material 2' ... connecting end 3 ... connecting metal fitting 4 ... adhesive 5 ... nut 6 ... connecting bolt

Claims (1)

[Scope of utility model registration request] 1. A sill stone main body made of natural stone, which has a thin plate-shaped surface with natural stone-like irregularities and has a connecting groove formed around it, and engages with the connecting groove with an adhesive. L-shaped strip-shaped connecting metal fittings that are connected to the back side of the main body of Machishiki, and are attached to the backside of the main body of Machishiki by being screwed to this connecting metal. Between the pair of left and right embedded frame materials made of reinforced steel embedded in the concrete material placed on the back side of the stone main body, and between the connecting metal fittings and the embedded frame materials in the left and right adjacent stone main bodies Retaining wall construction unit using sage stone, which is equipped with connecting bolts and nuts for fastening.