JPH033636Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a legal framework, in particular, which is formed as a single unit, and by combining a large number of them and placing and fixing them on the slope to be protected, it can be used over a wide area. This relates to the improvement of a slope that can protect the slope of the area.

(Prior Art) Many different types of legal frameworks have already been proposed. However, the reality is that the legal framework that has already been proposed cannot completely protect the slope. This is mainly due to the following causes or reasons. In other words, since most of the slopes to be protected are located in a natural environment, especially when it rains, it is necessary to separate the rainwater from the soil and allow only the rainwater to flow. We have to come up with some kind of ingenuity.

When water penetrates into the slope, this water flows to the bottom of the slope along with the soil inside the slope, causing scour of the soil inside the slope near the slope, making it difficult to fix the layout. The legal framework that had been set up was now floating in the air.

The conventional legal framework has not been able to fully respond to the actual situation described above.

For example, in Japanese Patent Publication No. 51-85206, it is stated that ``Protruding edges are provided on both sides of the upper surface of a hollow rectangular frame with a fixed length and a fixed length molded from synthetic resin, and between these edges, rainfall water is collected from the slope. A drainage lattice frame for slopes, which is characterized by forming a drainage groove and having an appropriate number of permeation holes on one side of the lower edge to drain underground water and spring water from the slope soil, is a It has been proposed with the aim of solving problems such as rainwater infiltrating the slope and spring water from the slope soil washing away soil on the sides and bottom of the block, causing slope collapse. However, this drain-type lattice frame for slopes has an appropriate number of water permeable holes drilled on one side of the lower edge of the frame material, which has a hollow rectangular end face shape. Rainwater, etc. will seep into the slope again and flow down, which may cause the earth and sand near the permeation hole to wash away. In other words, the lattice frame proposed in this publication cannot reliably prevent the erosion of the earth and sand that makes up the slope.
In particular, there is no means of protection against water that seeps through the bottom of the lattice frame and flows down.

(Problems to be solved by the invention) This invention has been made in view of the above-mentioned actual situation. The objective is to protect the slope and ensure drainage so as not to cause scouring of the soil, and the legal framework of the present invention solves this problem.

(Means for Solving the Problems) The means according to the present invention for solving the above-mentioned problems is such that the opening has a substantially U-shaped cross section and is exposed above the slope. Many small holes 14 on the side wall
The legal frame main body 10a formed with this legal frame main body 10
A is fixed to the lower surface of hole 1 and is buried within the slope.
8 and a non-slip part 15 having an upper side on the slope surface, and the non-slip part 15 has a cross-sectional shape with the lower surface of the legal frame main body 10a as the bottom and the apex on the opposite side from the legal frame main body 10a. This is a legal frame 10 characterized by having a substantially triangular shape.

Next, the present invention will be explained based on a specific example shown in the drawings.

FIG. 1 shows a perspective view of a legal frame 10 according to the present invention, which comprises a bottom plate 11, a lower wall 12 and an upper wall 13 rising vertically from the bottom plate 11. It includes a legal frame main body 10a and a non-slip part 15 fixed to the lower surface of the legal frame main body 10a. As a result, the slope main body 10a has a U-shaped cross section, and a groove R is formed by each bottom plate 11, lower wall 12, and upper wall 13, and the opening thereof is exposed on the slope. The upper wall 13 is literally the upper part when the slope frame 10 is placed on the slope, and as shown in FIGS. 1 and 3,
It has a large number of small holes 14. Each of these small holes 14
In this example, the holes are formed directly in the upper wall 13, but the structure is not limited to this and may be configured as follows. In other words, the hole may be formed by a so-called expand method in which a large number of notches of a predetermined length are made in the upper wall 13 and the upper wall 13 is stretched vertically to form a hole. It may be formed by a so-called punching metal method in which a large number of holes are bored. The diameter of these small holes 14 is preferably about 10 mm at most, but the shape and size of the drilled holes may be changed depending on the quality of the soil in the frame. This is to allow only water to pass through the small holes 14, and not to allow soil, stones, etc. within the frame within the slope to pass through.

Further, a connecting hole 16 is formed in the bottom plate 11 of the legal frame main body 10a, and a non-slip portion 15 is formed in the lower surface of this bottom plate 11. As shown in FIGS. 1 and 3, this anti-slip portion 15 has a substantially triangular cross-sectional shape with the bottom surface of the legal frame main body 10a as the base and the apex on the opposite side of the legal frame main body 10a. It is formed as As shown in FIG. 3, this anti-slip portion 15 is integrated with the lower surface of the frame main body 10a by means of adhesive or welding, with both edges aligned with both edges. There is. It should be noted that it is extremely easy to change the material of the legal frame 10 shown in the present invention to synthetic resin.

Furthermore, if each of the small holes 14 of the thus constructed legal frame body 10a is relatively large, or if the soil within the frame located between each of the legal frames 10 is sandy soil, the small holes 14 may be drilled. A net having a predetermined mesh or a drainage mat (mat with high water permeability that has been frequently used in civil engineering works in recent years) may be fixed or attached to the outside of the upper wall 13 provided.

In particular, in the present invention, a non-slip part 15 is formed on the lower surface of the bottom plate 11, but as shown in FIG. . If the hole 18 is formed in the anti-slip portion 15 in this way, the hole 18
Water can be introduced into the non-slip portions 15 through the non-slip portions 15, and this water can be discharged into the drain through the interior of each non-slip portion 15.

(Function) Next, construction work to protect the slope using the slope frame 10 configured as described above, and this slope frame 1
The effect brought about by 0 will be explained.

First, the slope frame 10 is placed on a slope that has been leveled to a certain extent. At this time, each of the legal frame bodies 10a is connected by using a bolt or the like to a corner member 17 placed at the intersection of each of the legal frame bodies 10a.
This is done by fixing through the connecting hole 16 formed in the bottom plate 11 of a. (See Figure 2) Also,
Each legal frame main body 10a is arranged so that its bottom plate 11 runs along the slope surface, the anti-slip part 15 is inserted into the soil inside the frame, and each upper side wall 13 is arranged at the upper side. In this case, this anti-slip portion 15
The cross-sectional shape of the legal frame 10a is approximately triangular in shape, with the lower surface of the legal frame body 10a as the base and the apex on the opposite side of the legal frame body 10a.In other words, the lower surface of the legal frame 10 is pointed. Because it is shaped to be a solid object, it is extremely easy to place it on a slope. The reason for this is that only a groove is formed in the slope that is large enough to embed the slope frame main body 10a, and if the anti-slip part 15 is forcibly inserted into the slope, the sharp part will stick to the slope. This is because it can be embedded within the slope. In this way, after the connection of each legal frame body 10a is completed,
In-frame soil K is poured into the space located between each legal frame body 10a, and excess soil in the groove R of each legal frame body 10a is discharged. Figure 3 shows the state in which such construction has been completed.

As described above, if the construction using the slope frame 10 is carried out on the slope surface, the water flowing on the slope will flow into each groove R of the slope frame 10, and the water will pass through each groove R and reach the bottom. The water flows down into the ditch and is discharged through a drainage ditch (not shown). In addition, before the water that has permeated into the soil on the slope surface penetrates deeply into the soil on the slope surface, as shown by the arrow in FIG. It flows down into the groove R through the small hole 14. Thereafter, this water is drained from a drain (not shown) in the same manner as described above. In this case, small hole 1
4 is perforated only in the upper wall 13 and the lower wall 12
Since the groove R is not formed in the groove R, water that enters the groove R is guided to a drainage channel (not shown) by the lower wall 12 to prevent it from penetrating into the slope again.

Similarly, water that attempts to penetrate the lower side of the frame main body 10a is stopped by the anti-slip portion 15 and introduced into the interior through the holes 18 formed in the anti-slip portion 15. Water that has entered the anti-slip portion 15 is guided by this,
Since it is led to a drainage outlet (not shown), the earth and sand that make up the slope will not be washed away.

(Effect of the invention) If the slope 10 configured as described above is arranged and fixed on the slope, it goes without saying that the water flowing on the slope can be efficiently discharged by the slope 10 itself. In addition, water that has penetrated into the slope can also be removed from the slope.
can be discharged from each of the small holes 14 and holes 18. Therefore, scouring of the soil within the slope frame, which was a problem in the past, does not occur, and slope frame 1
The fixed position on the slope of 0 can be reliably maintained for a long period of time. In addition, even if the subsoil within each slope frame sinks due to natural consolidation and a level difference occurs between the top edge of the upper wall of the slope frame and the surface of the subsoil within the frame, water flowing on the slope will not be discharged. It can be discharged through a small hole 14 in the upper wall 13. Furthermore, the legal frame 10 according to the present invention only needs to integrate the legal frame main body 10a in which a large number of small holes 14 are formed in the upper part 13 and the anti-slip part 15 having holes 18, so that the structure is It is extremely simple, does not require large-scale equipment or other equipment, and can be provided at low cost. In particular, in this legal frame 10, the cross-sectional shape of the anti-slip portion 15 is
It is formed into a substantially triangular shape with the lower surface as the base and the apex on the opposite side of the legal frame body 10a, that is, the lower surface of the legal frame 10 is formed to be pointed, so that The arrangement can be done very easily.

[Brief explanation of the drawing]

Figure 1 is a perspective view of the slope according to the present invention, Figure 2 is a front view of the slope placed on the slope, and Figure 3 is an enlarged longitudinal section taken along the - line in Figure 2. It is a front view. Explanation of symbols, 10... Legal frame, 10a... Legal frame main body, 11... Bottom plate, 12... Lower wall, 13... Upper wall, 14... Small hole, 15... Anti-slip part, 18
...hole, R...groove.

Claims (1)

[Claims for Utility Model Registration] A legal frame body having a substantially U-shaped cross section, an opening exposed above a slope, and a number of small holes formed in one side wall above the slope, and this legal frame body. a non-slip part that is fixed to the lower surface of the slope and is buried in the slope and has a hole above the slope; A legal frame characterized in that it has a substantially triangular shape with an apex on the opposite side of the legal frame main body.