JP2001064942A - Revetment block - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily form a curved surface by providing two projected stripes extended to the front surface and rear surface at each side surface and then providing two projected stripes projected out at the center of the side surface. SOLUTION: To each of side surface boards 4, 5 of a revetment block 1, two projected stripes 6, 7 extended from the front surface board 2 and rear surface board 3 are provided, and a projected stripe 8 is provided at the center of the side surface board. Projected stripe 8 is projected out more from other two projected stripes 6, 7. A coupling bolt insertion hole 13 is transparently provided in the projected stripe 8 and two revetment blocks are coupled by a bolt. At this time, when projected stripes at the central portion are brought into contact with each other, a revetment or sheathing on a straight line can be constructed. When one projected stripe is bent inwardly or outwardly and installed in such a manner that projected stripes at the center part are brought into contact with each other, a curved revetment or sheathing can be constructed. On the other hand, two spaces are created in the middle of the neighboring blocks by three projected stripes and three filling spaces can be created by together with the neighboring revetment blocks, various filled matters can be combined together and diversified revetment facilities can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a revetment block constituting a revetment or earth retaining structure.

[0002]

2. Description of the Related Art Conventionally, a large number of rectangular tubular concrete blocks (revetment blocks) in a plan view are connected in a horizontal direction or a vertical / horizontal direction to constitute a revetment or earth retaining structure. . However, it has been very difficult for conventional revetment blocks to form curved surfaces (inner curves and outer curves).

[0003]

In a conventional revetment block, there are no convex ridges on the side surface, or there are two places before and after the ridge, and it takes time and effort to form a curved surface as designed. There were drawbacks.

[0004]

In view of the above problems, the present inventor has finally made the present invention as a result of intensive research, and the feature of the present invention is that each side of the revetment block has a front surface. In addition to the two protruding ridges extending the rear surface, a protruding ridge is provided at the center of the side surface, and the ridge at the center of the side surface is made to protrude more than the other two ridges.

That is, the present invention relates to a precast concrete block having a rectangular cylindrical shape in a plan view, in which seawalls and earth retaining structures are constructed by laminating and connecting them, and each side surface has two protruding ridges extending forward and rear surfaces. The ridge at the center of the side surface has two concave portions, and the ridge at the center of the side surface is more protruding than the other two ridges. Further, a bolt insertion hole for connecting adjacent revetment blocks is provided in the ridge at the center of the side surface. Furthermore, providing through windows on the front and both sides has the advantage that fish can enter and exit easily and water can be easily circulated when used for revetment, and drainage can be well drained when soil retaining is used. .

In the revetment block of the present invention, since the central ridge of the three ridges protrudes, if the central ridges of adjacent revetment blocks are placed in contact with each other, a straight line is obtained. Revetments and earth retaining structures are constructed. In addition, when the central ridges are in contact with each other and are bent inward or outward so that the other ridges are in contact with each other, a curved seawall or earth retaining material is naturally constructed. Moreover, the strength of the side surface is increased due to the central ridge.

[0007] In addition, since two concave portions are formed on the side surface due to the three ridges, two vertical spaces are generated between the adjacent revetment blocks. Therefore, three spaces will be created in addition to the space of the revetment block main body, and this space can be filled with gemstone, soil, and other different materials, and the revetment and earth retaining structures can be changed. .

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the embodiments shown in the drawings. FIG. 1 shows an example of a revetment block 1 according to the present invention. The revetment block 1 has a rectangular tubular shape in a plan view surrounded by a front plate 2 and a back plate 3 and two side plates 4 and 5.
1 is transparently provided. Each of the side plates 4 and 5 is provided with two ridges 6 and 7 extending from the front plate 2 and the back plate 3 and a ridge 8 at the center of the side plate. 9 and 10 are completed. Also, the ridge 8 at the center of the side plate protrudes more than the other two ridges 6 and 7. In this example, the ridge 8 protrudes most, and then the ridge 6 and the ridge 7 are in order (a <b). However, this is because it is easy to form an inner curve, and the present invention is limited to this. Not a, a> b
Or a = b. In short, it is only necessary that the ridge 8 protrudes from the other ridges 6 and 7. The degree of protrusion of the ridge 8 relative to the other ridges 6 and 7 is such that the entire width of the revetment block is 2000 mm.
In this case, about 10 to 100 mm is sufficient. And
Circular through-windows 11 and 12 are formed in each of the recesses 9 and 10, and a connecting bolt insertion hole 1 is formed in a ridge 8 at the center of the side plate.
3 is transparently provided. A notch 31 is provided in the back plate 3.

FIG. 2 shows two seawall blocks 1 with bolts 1
4 shows a connected state. In the case of the present invention, 2
Two filling spaces 15 and 16 are formed. Then, since three types of filling spaces are formed in combination with the filling space 17 of the main body, various types of filling materials can be combined to obtain a changing seawall facility. The conventional one has only one type or at most two types of space for filling.

A major feature of the present invention is that it is extremely easy to lay along an inner curve or an outer curve. FIG. 3 (a) shows a state in which the ridges 8 at the center of the side plate are abutted against each other and laid in a straight line. When laying in contact,
As shown in FIG. 3B, the inner curve can be obtained simply and reliably. In the case of a gentle inner curve, it is sufficient to leave a gap between the ridges 6. In the case of an outer curve, FIG.
As shown in (c), the ridges 8 at the center of the side plate and the ridges 7 extending from the back plate are preferably brought into contact with each other.

Although the above description has been given of the planar installation, when the stacking is performed in the vertical direction in such a state, the revetment or the slope protection work of an arbitrary height can be performed. In that case, as shown in FIG.
Holes 19 and 20 for embedding guide pins 18 in the lower and upper surfaces of the
By piercing, there is no deviation between front and rear, and it can be laid stably. Note that a plurality of holes 19 and 20 may be formed in accordance with the inclination.

The filling spaces 15, 16 and 17 are filled with cobblestone, earth and sand, etc., according to the use and the place of installation. In the case of revetment, if an appropriate amount of boring stone is put in, it also works as a fish nest. In addition, one or both of the space 15 and the space 16 can be filled with concrete, and the assembled seawall block can be integrated as a whole. In this case, the filling of the cobblestone, earth and sand, etc. is performed with one of the spaces 15 and 16 and the space 1.
7 or only for space 17. Or space 1
7 may be filled with concrete.

[0013]

As described above in detail, the revetment block of the present invention is provided with two recesses on each side by two protruding ridges extending the front and rear surfaces and a ridge at the center of the side. The central ridge is projected more than the other two ridges.

Therefore, it is possible to easily and reliably follow not only a straight line but also an inner curve and an outer curve. In addition, there are many types of filling spaces, and various filling materials can be properly used depending on the application. And it has many advantages, such as filling with soil and vegetation, filling with rocks to work as a fish nest, or filling with concrete and integrating the entire revetment block. Things.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a seawall according to the present invention.

FIG. 2 is a plan view showing a state where two revetment blocks are connected.

FIG. 3 (a) is a plan view showing a state in which the revetment blocks are laid in a straight line, FIG. 3 (b) is a plan view showing a state in which the revetment blocks are laid in an inner curve, and FIG. 3 (c). FIG. 4 is a plan view showing a state in which a seawall is laid in an outer curve shape.

FIG. 4 (a) is a side view of a state where two revetment blocks are vertically stacked, and FIG. 4 (b) is a side view of a state where two revetment blocks are vertically stacked at different angles.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Revetment block 2 Front plate 21 Through window 3 Back plate 31 Notch 4 Side plate 5 Side plate 6 Convex ridge 7 Convex ridge 8 Convex ridge at the center of side plate 9 Depression 10 Depression 11 Through window 12 Through window 13 Connection bolt Insertion hole 14 Bolt 15 Filling space 16 Filling space 17 Filling space of main body 18 Guide pin 19 Hole 20 Hole

Claims (3)

[Claims] 1. A precast concrete block having a rectangular tubular shape in plan view, in which seawalls and earth retaining structures are constructed by laminating and connecting them, wherein each side surface has two protruding strips extending the front surface and the rear surface, and the center of the side surface. A revetment block comprising two recesses formed by ridges, and wherein the ridge at the center of the side surface projects more than the other two ridges. 2. The revetment block according to claim 1, wherein a bolt insertion hole for connecting adjacent revetment blocks is provided in the ridge at the center of the side surface. 3. The revetment block according to claim 1, wherein a penetration window is provided on the front surface and both side surfaces.