JP2557272Y2 - Mounting structure for paved flooring - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting a paved floor material used for paving a passage or the like from a road to an entrance porch, and more particularly to a structure used for mounting a paved floor material by a dry method. Things.

[0002]

2. Description of the Related Art Conventionally, when paving a passage or the like between a road and an entrance porch in a house, it has been constructed as shown in FIG. In other words, crushed stone layer 1 is formed by crushed stone industry,
Concrete is poured into the crushed stone layer 1 to form a concrete layer 2. After the concrete layer 2 is hardened, a mortar layer 3 is provided on the concrete layer 2, and a stone material 4 such as granite is laminated on the mortar layer 3. And integrated.

[0003]

However, in the above-mentioned conventional example, there is a problem that the construction is performed by a wet method, so that it takes a lot of time and cost to carry out the construction. The present invention has been made in view of the above problems, and the object of the present invention is to perform a dry construction method, thereby shortening the construction period and reducing the construction cost, and fastening by inserting a tightening bolt. However, it is an object of the present invention to provide a pavement floor material mounting structure that can be easily connected to a plurality of tightening bolts.

[0004]

In order to achieve the above object, the present invention provides a pavement flooring installation structure in which a sandy ground sand layer 6 is laminated on a crushed stone ground 1 and is divided into blocks of an appropriate size. A plurality of the paved flooring materials A are arranged on the sand layer 6, and a pipe 12 is buried in each of the paved flooring materials A so as to correspond to the insertion holes 7 provided so as to penetrate in the horizontal direction. A plurality of tightening bolts 8 are inserted through the insertion hole 7 so as to extend over the material A so as to be located in a straight line, and the half portions 5 of the ends of the adjacent tightening bolts 8 are overlapped with each other and the half portion 5 is formed. The plurality of fastening bolts 8 are connected by fitting the concave and convex fitting portions 5a to each other, and the fastening bolts 8
A plurality of pavement floor materials A are fastened by fastening nuts 9 screwed into the pavement floor material A.

[0005]

According to the above construction, the pavement flooring material A, which has been formed into blocks in advance at the factory, is arranged on the sand layer 6, and the plurality of pavement flooring materials A are fastened with the fastening bolts 8 and the fastening nuts 9 to thereby form the pavement flooring. Material A can be attached. This allows
The pavement flooring material A can be attached and constructed by a dry construction method, and the construction period can be shortened and the construction cost can be reduced. In addition, tightening bolt 8
Is inserted into the insertion hole 7, the halves 5 at the ends of the fastening bolts 8 are overlapped, the concave and convex fitting portions 5 a are fitted to each other, and the ends of the fastening bolts 8 are connected to each other. The fastening bolts 8 can be connected and inserted in a straight line. Thereby, even if the fastening bolts 8 penetrate the plurality of pavement floor materials A, the fastening bolts 8 having a predetermined length can be connected to easily connect the fastening bolts 8 in a long section to construct the work.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A pavement flooring material A is formed into blocks of an appropriate size in a factory, and a surface finishing stone material 11 is integrally provided on a concrete base material 10. As the concrete base material 10, for example, a material such as CFRC (carbon fiber rain hose concrete) is used. When this CFRC is used, it is high strength, lightweight,
It is durable, dimensionally stable and fire resistant. Natural stones such as granite, artificial stones and the like are used as the surface finishing stone 11. When manufacturing the pavement flooring material A, the pipe 12 is embedded in the base material 10 integrally, and the insertion hole 7 penetrated in the horizontal direction by this pipe 12 is formed. This pipe 12 is buried vertically and horizontally,
Insertion holes 7 are formed in the vertical and horizontal directions. The fastening bolt 8 is made of stainless steel or the like and has a predetermined fixed length. Half ends 5 are provided at the ends of the tightening bolts 8.
Is provided with a tooth-shaped uneven fitting portion 5a. The fastening nut 9 screwed to the fastening bolt 8 is also formed of stainless steel or the like.

[0007] The pavement floor material A constructed as described above
The paving work of the passage between the road and the entrance porch is performed as follows. First, the ground 13 is excavated to a certain depth,
A crushed stone ground is formed on the excavated portion to form a crushed stone layer 1 as shown in FIG. In the case of this embodiment, the first crushed stone layer 1a and the second crushed stone layer 1b are formed by performing crushed stone ground twice. Next, the sand layer business is performed on the crushed stone layer 1, and the sand layer 6 is laminated. The sand of the sand layer 6 may be mixed with a binder such as cement. The pavement flooring materials A are arranged on the sand layer 6 as shown in FIG. 3, and the insertion holes 7 of the adjacent pavement flooring materials A are made to correspond to each other. A tightening bolt 8 is inserted into the insertion hole 7 so as to extend over the plurality of pavement floor materials A, and a tightening nut 9 is screwed into the tightening bolt 8 at a side end surface of the pavement floor material A located at an end, and a tightening nut 9 is provided. , The plurality of pavement floor members A are fastened to fix the pavement floor member A on the sand layer 6. When the fastening bolts 8 are formed to have a predetermined fixed length as described above and the number of pavement flooring materials A is large and one fastening bolt 8 is insufficient,
A plurality of fastening bolts 8 are connected in a straight line by overlapping the half-split portions 5 of the pair of fastening bolts 8 with each other, fitting the concave-convex fitting portions 5a together, and inserting the fastening bolts 8 into the insertion holes 7. When the tightening bolts 8 are connected and inserted in this way, it is not necessary to prepare the tightening bolts 8 longer than necessary, so that the tightening bolts 8 can be easily inserted and can be easily installed even in a narrow space. Tightening nuts 9 are screwed into the ends, two by two, to prevent loosening as a double nut structure. When fastening the plurality of pavement flooring materials A by inserting the fastening bolts 8, either one of the vertical direction and the horizontal direction is fastened by inserting both the vertical direction and the horizontal direction through holes 7. It may be.

In the case of the pavement flooring material A 'located at both ends in the vertical direction in FIG. 3, a surface finish stone 11 is also laminated on the side end surface of the base material 10 as shown in FIG. An opening 14 is provided in the surface finishing stone 11 at a portion corresponding to the hole 7, and a nut storage recess 1
5 is provided. The tightening nut 9 is housed in the nut housing recess 15 and tightened, and the opening 14 is covered with a cap 19 such as a rubber cap. An anchor 16 is embedded in the base material 10 of the pavement floor material A ', and a stainless steel reinforcing member 17 is attached to the anchor 16. The reinforcing member 17 is embedded in the sand layer 6 and the reinforcing member 1
Numeral 7 serves to prevent lateral displacement of the paved floor material A 'in addition to the role of reinforcement.

[0009]

[Effects of the Invention] As described above, the present invention stacks a sandy layered sand layer on a crushed stone layered rock layer, and arranges a plurality of pavement flooring materials in blocks of an appropriate size on the sand layer. inserting the fastening bolt into the insertion hole so over a plurality of paving flooring causes to correspond to the provided was the insertion hole so as to penetrate the horizontal direction in the bed material, a plurality in the tightened tightening screwed to bolt and nut Since the pavement floor material is fastened, after crushing and sanding and sanding, the pavement floor material formed in blocks at the factory is arranged on the sand layer, and multiple pavement floor materials are tightened with bolts It can fasten the pavement floor material by fastening with nuts, can install the pavement floor material by dry method, can shorten the construction period and reduce the construction cost, and can also be used for multiple pavement floor materials. Over the insertion hole A plurality of tightening bolts are inserted by inserting the tightening bolts so as to be located on a straight line, overlapping the half portions of the ends of the adjacent tightening bolts with each other, and fitting the concave and convex fitting portions of the half portions together. , So that even if the number of paving floor materials is large, it can be tightened to a certain length.
It can be handled by inserting the bolt into the insertion hole while connecting
And can easily respond to changes in the number of paved floor materials
And the length of the tightening bolt is not longer than necessary
Construction, making it easy to construct
Since the insertion hole was formed by burying the IP, dimensional accuracy
Capable of forming good insertion holes over the entire length of the paved flooring
And bring the outer diameter of the tightening bolt closer to the inner diameter of the insertion hole.
Even if you do not rattle, tighten the bolts smoothly.
Can be inserted, and the outer diameter of the tightening bolt and the insertion hole
The inner diameter is close and the fitting of the uneven fitting part of the half split part does not come off
It is something that can be done.

[Brief description of the drawings]

FIG. 1 is a partially cutaway sectional view of a main part of an embodiment of the present invention.

FIG. 2 is a partially cutaway sectional view showing a state in which the paving floor material is attached.

FIG. 3 is a plan view showing a state where the paving floor material is attached.

FIG. 4 is an enlarged sectional view of a main part of FIG.

5A and 5B show the connection of the same tightening bolts, FIG. 5A is a front view showing a connection state, and FIG. 5B is an exploded front view.

FIG. 6 is a sectional view showing a conventional example.

[Explanation of symbols]

 A Pavement flooring material 1 Crushed stone layer 5 Half-split part 5a Concavo-convex fitting part 6 Sand layer 7 Insertion hole 8 Tightening bolt 9 Nut

Claims (1)

(57) [Scope of request for utility model registration] 1. A sand layer made of sand is laminated on a crushed layer made of crushed stone, a plurality of pavement floor materials which are formed into blocks of an appropriate size are arranged on the sand layer, and a pipe is embedded in each pavement floor material. You
By inserting a plurality of tightening bolts into the insertion holes so as to correspond to the insertion holes provided so as to penetrate horizontally and to extend over a plurality of pavement floor materials so as to be located on a straight line,
The half-split portions of the ends of adjacent tightening bolts are overlapped with each other, and the concave / convex fitting portions of the half-split portions are fitted to each other to connect a plurality of tightening bolts, and a plurality of tightening nuts screwed to the tightening bolts. A pavement floor mounting structure, wherein the pavement floors are fastened to each other.