JPS6252290A - Tubular structure - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a tubular structure that can be used for various purposes such as optimizing the moisture content in soil.

[Conventional technology]

Even today, there are many areas of land in our country where the surface of the earth is exposed, such as fields and forests, and it is generally preferable for these areas to have a constant amount of moisture in the soil.

In other words, in fields and orchards, a constant amount of moisture in the soil is an essential condition for crops to grow.
In addition, in mountain forests, not only does the amount of moisture in the soil have a major impact on the growth of trees, but if excess moisture accumulates in the soil, it is extremely dangerous as it can lead to disasters such as landslides. That's why.

In addition, when it rains intensively in a short period of time on various sports grounds, etc., the capacity of the soil for absorption and drainage is exceeded, and water cannot be absorbed smoothly. The problem is that there is no.

[Problem that the invention seeks to solve]

However, in the past, when it rained, most of the rainwater permeated into the soil, and when the moisture in the soil became foamy, it overflowed to the surface of the ground, and conversely, when it was sunny, the soil The moisture in the soil was left to its own devices as it continually evaporated from the surface of the land, and no consideration was given to keeping the amount of moisture in the soil constant or almost constant. .

[Means for solving problems]

The present invention was completed as a result of intensive research against the background of the above-mentioned circumstances, and its configuration includes one or more water passing portions having an appropriate length and diameter, and is capable of retaining an appropriate amount of water passing through. The water retaining part is characterized in that the water retaining part is arranged to surround the water passing part and communicating with the water passing part.

〔Example〕

The present invention will be explained below with reference to the drawings.

Reference numeral 1 denotes a water-retaining material having an appropriate thickness and made of a material capable of retaining an appropriate amount of moisture such as rainwater when it passes from the front surface to the back surface or from the back surface to the surface. By forming the material 1 into an elongated cylindrical shape as shown in FIG. 1, a hollow water passage part 2 with an appropriate length and diameter, and a water retention part 3 surrounding and communicating with the water passage part 2 are formed. This constitutes an example A of the tubular structure of the present invention.

Although the water passing portion 2 is formed from the material itself for forming the water retaining portion 3, the water passing portion is made of a material different from the material for forming the water retaining portion 3, with a ratio of 1:4, for example, water permeability. It may also be formed from a mesh pipe or the like.

Therefore, as shown in FIG. 2, an example A of the tubular structure of the present invention having the above-mentioned configuration is constructed by burying the tubular structure in the soil at an appropriate depth from the ground surface G. , by connecting its end to an existing drainage Ffl or the like (not shown), it is used to make the amount of drainage in the soil almost constant.

[Operation and effect of the invention]

That is, when it rains, a large amount of rainwater permeates into the soil, but since the water-retaining portion 3 is made of a material that can retain an appropriate amount of moisture, the rainwater is first absorbed into the water-retaining portion 3 and then released. If the amount exceeds the allowable amount of the water retaining part 3, since the water retaining part 3 is in communication with the water passing part 1, the rainwater will flow into the water passing part 2 side and be drained into a drain etc. without delay. In this way, the moisture meter in the soil remains almost constant even during rainfall.

In addition, when the weather is sunny, water is released from the ground surface as water vapor, and the amount of water in the soil decreases. Since rainwater is retained, the amount of rainwater released as water vapor is returned to the soil, making it possible to maintain a constant amount of moisture in the soil even on sunny days. can.

In this way, example A of the tubular structure of the present invention can maintain the moisture content in the soil almost constant regardless of the weather. If applied to exercise grounds, etc. in various places, it can be used to prevent landslides, flooding of grounds, etc. due to increased moisture content in the soil, or rivers.

It is possible to prevent the water from rising or overflowing waterways, and to minimize the poor growth of plants due to a decrease in the amount of moisture in the soil.

On the other hand, when the tubular structure A according to the present invention is buried in a place where it is necessary to spread fertilizer, such as a field, the tubular structure A exhibits even more remarkable effects in addition to those described above.

In other words, at present, fertilizers are spread based on guidelines, resulting in an overall oversupply, and in particular, it is common for ammonium sulfate and other fertilizers to be wasted due to caking. As shown in Figure 2, if liquid fertilizer, etc. is distributed through the buried tubular structure A, the liquid fertilizer, etc. in the water passage section 2 will be absorbed into the water holding section 3 and then leached into the soil, and will always be kept at an appropriate level. It is possible to supply a large amount of liquid fertilizer etc. into the soil, and therefore it is possible to save on the amount of liquid fertilizer used.

[Other Examples]

In addition, is there any advantage to the tubular structure of the present invention? The water retaining part need not be a layer like the one in the above embodiment, but may be composed of a plurality of layers, and its shape is not limited to a cylindrical shape, but may be a polygonal shape as appropriate. Also good.

For example, as shown in FIG. 3, the tubular structure of the present invention includes a water-retaining rod 5 made of the above-mentioned water-retaining material or other material having an appropriate cross-sectional shape, and a water-conducting portion 6 having an appropriate diameter in the center. It may be configured by bundling it together, and by using it as a feed supply pipe for cultured fish and shellfish, for example, the feed can be fed to the fish and shellfish at an appropriate ratio, and therefore the feed can be This has the effect of preventing excess water from settling on the bottom of the farm and causing red tide.

Further, the water passage portions 2 in the tubular structure of the present invention do not need to have a number of 114 as in the above embodiment, and may have a plurality of water passages 4 as shown in FIG. . In this case, the water retaining portion 3 surrounding the plurality of water passages 4 has a plate shape in the embodiment shown in FIG. 4.

Therefore, when the tubular structures of the present invention are connected and installed, the connecting portion can have a structure as shown in FIG. 5, for example.

That is, in the - tubular structure A, the front end side of the water retaining part 3 is
The water passage 2 is formed into a convex part 2a by protruding an appropriate amount from the end face, and the rear end side is formed into a concave part 2b corresponding to the protrusion part 2, and these parts are connected to another tubular shape. Corresponding part 2a of structure A.

Just connect it to 2b in a male-female relationship. In addition, here the water passage 2
is made of a member that allows water to pass through, such as a mesh pipe.

Since the present invention is as follows-1-, it is extremely excellent as a tubular structure having various uses.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an example of the implementation of the present invention, FIG. 2 is a side view showing how the tubular structure of the invention is used, FIG. 3 is a perspective view showing another example of the implementation of the invention, and FIG. The figure is a perspective view of the main parts of another example of the tubular structure of the present invention, and FIG. 5 is a sectional view showing an example of the connection structure.

Claims (1)

[Claims] Consisting of one or more water passage parts having an appropriate length and diameter, and a water retention part capable of retaining an appropriate amount of water passing through, the water retention part surrounds the water passage part and is connected to the water passage part. A tubular structure characterized by being arranged in communication with.