JP2001003335A - Natural stone connection block and natural stone connection structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a natural stone connection structure matching a landscape and an environment by projecting connection members on a plurality of natural stones respectively and connecting them to each other and covering them with concrete or the like to constitute a natural stone connection block. SOLUTION: Connection members 2 are projected on a plurality of natural stones 1 to connect each other and covered with a covering material 4 to constitute a natural stone connection block 6. The natural stones 1 at the construction site are used. A setting agent 7 is filled in and the connection members 2 are projected in anchorage holes 1a and welded to band them together. Reinforcements 3 are arranged and concrete or mortar is filled, and further, gravels, sand, colorants are stuck on the surface. A strip of or a mat-shaped natural stone connection block 6 may be shaped by connection of a necessary number of natural stones 1. The natural stone connection blocks 6 are laid over to constitute a civil engineering structure such as a river foot protection work or a slope face covering work. In this way, a natural landscape is created and a civil engineering structure matching the landscape and environment of the construction site can be easily and costlessly constructed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to revetment works for directly protecting river banks and embankments, river pier work for preventing scouring of riverbeds, sabo dams for preventing large amounts of sediment runoff during heavy rain, and coastal wavebreaking. -It relates to natural stone connecting blocks and natural stone connecting structures that are widely used as civil engineering structures such as scouring roots and slope linings such as embankments and retaining walls.

[0002]

2. Description of the Related Art Civil structures, such as seawalls, riverbanks, or slope linings, which have played a role in preserving the land on coasts, harbors, rivers, etc. in many places, are often concrete blocks of the same shape. Are configured to engage with each other to resist external force, and have been widely used for the past half century due to good workability and the like.

[0003]

However, since such a civil engineering structure uses a large number of concrete blocks completely different from the local scenery, the scenery of the coast, a harbor, a fishing port, etc. is greatly impaired. There are many.

[0004] Therefore, in recent years, due to the problems of the landscape and the increase of natural environment preservation, there has been a strong demand from local residents and environmental protection groups for the installation of blocks, and furthermore, social needs such as economical efficiency have been unsatisfactory. Reflections on a single concrete civil engineering structure are spreading.

[0005] In addition, concrete blocks are produced in factories and the like, and are often transported in large quantities to distant sites.
There were also problems such as a considerable increase in transportation costs and consequently a large increase in construction costs.

The present invention has been made in view of such a social situation, and particularly provides a natural stone connecting block and a natural stone connecting structure capable of constructing a civil engineering structure that matches local scenery and environment. The purpose is to:

[0007]

According to a first aspect of the present invention, there is provided a natural stone connecting block according to the present invention, wherein a connecting member is protruded from a plurality of natural stones. It is formed by connecting members and covering the members.

According to a second aspect of the present invention, in the natural stone connecting block of the first aspect, the connecting members are connected to each other by welding, tying or coagulating agent, reinforcing bars are arranged around the connecting members, and concrete is used as a covering material on the reinforcing bars. Or fill the mortar,
In addition, debris, sand or coloring material is adhered to the surface of the coating material.

A natural stone connecting structure according to the present invention is constructed by laying or stacking a plurality of natural stone connecting blocks according to claim 1 or 2.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 of the Invention FIG.
(A), (b) shows an example of a natural stone connecting block,
In the figure, a connecting member 2 is projected from two natural stones 1.

The two connecting members 2 and 2 are connected to each other by welding or bundling, and a reinforcing reinforcing bar 3 is arranged on the outer periphery thereof, and concrete or mortar (hereinafter referred to as "concrete") is further provided thereon as a covering material. 4 are filled. Also, on the surface of concrete 4,
Sand or coloring material 5 is attached.

Thus, the natural stone connecting block 6 having a size which can be easily handled at the time of transportation and construction is formed. The natural stone 1 is a large cobblestone, a crushed stone, or the like, and is formed with a weight per piece of 10 to 1000 kg. Further, a fixing hole 1a for fixing one end of the connecting member 2 is formed in each natural stone 1 at a predetermined depth.

The fixing hole 1a is formed obliquely in principle to increase the fixing force of the connecting member 2 so as to make it difficult for the connecting member 2 to come off. It may be formed vertically in consideration of.

As the natural stone 1, in principle, various natural stones of various sizes in the field are used, and by doing so, the natural stone connecting block 6 which matches the scenery and environment of the construction site.
Can be formed very inexpensively and in large quantities.

However, when a desired product cannot be obtained locally, a product produced as a secondary product (fake stone) at a factory or the like is used. The connecting member 2 is made of a reinforcing steel such as a round bar or a deformed bar, a flexible metal material such as a steel wire or an alloy-plated iron wire, a high-strength wire or a rope, or a steel material such as an H-shaped steel, an angle steel, a strip steel, or the like. Is formed.

The connecting member 2 has one end 2a inserted into the fixing hole 1a of the natural stone 1 and is filled with a solidifying agent 7 for fixing around the natural stone 1 so as to project from the side of the natural stone 1. Has been established.

As the coagulant 7, for example, an adhesive obtained by mixing an epoxy resin-based or acrylic resin-based coagulant with a curing agent is used. Whether the connecting member 2 is made of a reinforcing steel or a steel material, and the gap L between the natural stones 1 and 1 are determined in consideration of the purpose and shape of the natural stone connecting block 6. Is determined as appropriate.

The reinforcing reinforcing bar 3 is provided for the purpose of increasing the connecting strength of the connecting portion of the connecting member 2 and preventing cracks and peeling of the concrete 4. As the reinforcing reinforcing bar 3, a hoop bar or a spiral bar is used. Are crossed or wound around the connecting member 2 and are arranged as necessary.
Welded to.

The concrete 4 enhances the workability by increasing the rigidity of the connecting portion, and even if the connecting member 2 is exposed to an inferior environment such as seawater, the concrete 4 does not corrode (rust) permanently. It may be filled with a hard resin material instead of concrete as long as it is filled so that it can fulfill its role and can improve the rigidity of the connecting portion and prevent corrosion of the connecting member 2.

The rubble, sand or coloring material 5 is used to cover the surface of the concrete 4 filled as a covering material so as to harmonize the appearance of the connecting portion and the natural stone 1. A material close to natural stone 1 is desirable.

Thus, the natural stones 1 arranged at predetermined intervals
And 1 are integrally connected by the connecting member 2,
A natural stone connecting block 6 composed of two natural stones is formed.

The natural stone connecting blocks 6 are laid or piled up in a required number to form a revetment for directly protecting a river bank or a dike, a river-base construction for preventing scouring of a riverbed, and a large amount of sediment discharge during heavy rain. It is widely used as a block for constructing civil engineering structures such as erosion control dams, shore-breaking and scouring along the coast, and slope lining such as embankments and retaining walls.

For example, FIG. 5A shows a case where a plurality of natural stone connecting blocks 6 are laid as a slope lining and a pier. In FIGS. 1A and 1B,
In particular, a natural stone connecting block composed of two natural stones has been described. For example, as shown in FIGS. 2 (a) and 2 (b), a required number of natural stones 1 are connected to form a strip-shaped or mat-shaped natural stone. Connecting blocks can also be formed. In this case, the connecting member 2 is a natural stone 1 as shown in FIG.
Are protrudingly provided on the sides of the.

For example, FIGS. 3 (a), 3 (b),
As shown in (c) and (d), a frame-shaped natural stone connecting block having a hollow triangular pyramid shape, triangular shape, rectangular shape, circular shape, or the like can be formed.

The natural triangular pyramid-shaped, band-shaped or mat-shaped natural stone connecting block 6 is used as a block for constructing a civil engineering structure such as a river-base hardening or a slope lining by laying a necessary number of blocks. .

The natural triangular pyramid-shaped and frame-shaped natural stone connecting blocks 6 are used for retaining walls for protecting embankments and slopes of the ground, and for wave-dissipating and scouring to prevent scouring along the coast. It is also used for constructing civil engineering structures such as seawalls that directly protect river banks and embankments. At this time, these natural stone connecting blocks 6 are of a predetermined scale (shape, height, etc.) depending on the application. Laminated or stacked in a frame.

Then, the frame-shaped natural stone connecting block 6
By hollowing out the inside without filling with a filling material such as gravel, it may be possible to use it as a place where vegetation can grow or where organisms such as insects and fish can live.

Also, if necessary, the natural stone connecting blocks 6 piled up in a frame shape may be filled with natural stones, earth and sand generated in large quantities in the field, or concrete filling materials such as concrete gala and concrete. is there.

FIG. 5B shows a case in which a natural stone connecting block 6 in the shape of a hollow triangular pyramid is installed as a foundation. In manufacturing the natural stone connecting block 6, first, fixing holes 1a are respectively formed in the natural stone 1, and one end of the connecting member 2 is inserted into the fixing holes 1a, and a solidification material 7 is filled around the connecting member.

Next, when the solidified material 7 is sufficiently hardened and the connecting member 2 can be firmly fixed to the natural stone 1, the connecting members 2 are connected by welding or the like. Next, reinforcing reinforcing bars 3 are arranged around the connecting member 2, concrete 4 is filled thereon as a covering material 4, and debris, sand or coloring material 5 is adhered thereon.

At this time, the debris, sand or coloring material 5 may be applied by utilizing the adhesive force of the concrete 4 before the concrete 4 is completely hardened, but after the concrete 4 is hardened, an adhesive is used. It may be attached. Embodiment 2 of the Invention 4A and 4B show another example of the natural stone connecting block. In the figure, four natural stones 1 have connecting members 2 projecting therefrom.

The two connecting members 2 and 2 are connected to each other by welding, bundling or coagulant, reinforcing steel 3 is arranged on the outer periphery thereof, and concrete 4 is filled thereon as a covering material. .

Also, debris, sand or coloring material 5 is attached to the surface of the concrete 4. Thus, the natural stone connecting block 6 having a size that can be easily handled at the time of transportation, construction, or the like is formed.

In this case, the natural stone 1, the connecting member 2,
The structure of the fixing portion of the connecting member 2 and the structure of the connecting portion between the connecting members 2 and 2 are substantially the same as the structures described with reference to FIGS.

The number of the natural stones 1 is not necessarily limited to four, and if possible, five or six natural stones may be connected. Natural stone connecting block 6 thus formed
By laying or stacking as many as necessary,
Revetment works to directly protect riverbanks and dikes, riverbed work to prevent scouring of riverbeds, sabo dams to prevent large amounts of sediment runoff during heavy rain, wavebreaking and scouring work along the coast, and embankments It is widely used as a block for constructing civil engineering structures such as slope linings and retaining walls.

[0036]

The present invention has the above-described structure,
In particular, it is completely different from the existing concrete blocks,
Because a beautiful natural landscape can be created using natural stones, civil engineering structures that match the local landscape and environment can be easily constructed.

In addition, since it is an empty space structure in which natural stones are combined, it is possible to provide a place where vegetation can grow and a creature such as insects and fish can inhabit, and to provide a civil engineering structure suitable for preserving an ecosystem. .

Further, since natural stones are simply formed by connecting connecting members protruding from each other, natural stones of various sizes, large and small, can be used on site, so that transportation costs are extremely low. Construction at low cost is possible.

Further, the natural stone and the natural stone are connected by welding or the like to connecting members made of reinforcing bars and the like protruding from both sides, and concrete or the like is filled thereon as a covering material. The stiffness of the connecting member is significantly increased, so that the workability can be improved, and even if the connecting member is exposed to a bad environment such as seawater, corrosion (rust) can be surely prevented.

[Brief description of the drawings]

FIG. 1 shows an example of a natural stone connecting block, in which (a) is a partially cutaway front view, and (b) is an enlarged sectional view of a connecting portion.

FIGS. 2A and 2B are plan views of a natural stone connecting block formed in a belt shape and a mat shape, respectively.

FIG. 3 shows (a), (b), (c) and (d), respectively.
It is a top view of the natural stone connection block formed in the shape of a hollow triangular pyramid, a triangle, a rectangle, and a circle.

4A and 4B show another example of the natural stone connecting block, in which FIG. 4A is a plan view and FIG. 4B is an enlarged sectional view of a connecting portion.

FIG. 5 is a cross-sectional view showing an example in which a natural stone connecting block is used for slope lining and shoring.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Natural stone 2 Connecting member 3 Reinforcing steel 4 Concrete (concrete or mortar) 5 Gravel, sand or coloring material 6 Natural stone connecting block 7 Coagulant

Claims (3)

[Claims] 1. A natural stone connecting block comprising connecting members protruding from a plurality of natural stones, connecting the connecting members, and covering the connecting members. 2. The connecting members are connected with each other by welding, tying or coagulant, reinforcing bars are arranged around the connecting members, concrete or mortar is filled thereon as a covering material, and the surface of the covering material is rubbed. The natural stone connecting block according to claim 1, wherein sand, coloring material, or the like is attached. 3. A natural stone connecting structure characterized by being constructed by laying or stacking a plurality of natural stone connecting blocks according to claim 1 or 2.