KR20040001521A - Block for fish road - Google Patents

Abstract

PURPOSE: A fishery block is provided to make the movement of fishes easy and to function as a fish ladder at a shortage of water. CONSTITUTION: The fishery block contains: a non-overflow block(200) provided with a non-overflow projection projected upward and retreated, rugged parts formed on both longitudinal ends of a bottom; and an overflow block(300) installed on both sides of the bottom of the non-overflow block(200) and provided with an overflow projection and retreated, rugged parts extended from both longitudinal ends of a bottom.

Description

Block for fish road

The present invention relates to an airway block formed so that various species of fish inhabiting a river can be moved, and more specifically, it is installed on the bottom of a free fall hole (beam) in a stream according to a design slope, and continuously installed in a flow overflow block and interlaced block. It is installed so that the water in the stream falls and the surplus portion of fresh water flows naturally through the overflow block, providing a passage through which the fish can inhabit, allowing the fish to move freely up and down the stream. In order to protect fish stocks and protect the ecological environment according to the characteristics of seasonal fish species, it is possible to move benthic fishes at the bottom of the overdraft block, allowing for the movement of benthic fishes. It is about.

In general, various types of cross-sections are installed in order to be used for agricultural or industrial water downstream of rivers, and in particular, there are many cases in which a river is installed to block the flowing rivers so that the rice paddies are watered. Thus, by installing concrete beams downstream of the river, it becomes difficult for the various fish families inhabiting the upper and lower streams to climb up and down due to changes in the habitat environment, so that the ecosystems of aquatic plants and animals are cut off, especially during the dry season when there is no rain. Due to the vicious cycle, fish's environmental ecosystem is becoming a big problem.

For this purpose, an adobe block in the form of a prefabricated block was developed by Utility Model Registration No. 20-0236323, which is an adobe block 100 formed by integral molding as a molded structure as shown in the perspective view of Fig. 1 and the assembled state cross-sectional view of Fig. 2. The material is molded into a concrete structure. The adobe block 100 has a substantially rectangular shape, and the front and rear legs 10 and 10 are formed to maintain a constant inclination angle on the bottom surface of the inclined beam of the base portion.

In addition, the front and rear legs 10, 10, as shown in Figure 2 is formed with a front recess jaw 20 and the rear projection jaw 30 can be fitted to each other in front and rear mutually.

The front front groove jaw 20 is formed in the shape of a substantially cross-section '??', and the rear rear projection jaw 30 is approximately '??' with the rear surface of the adobe block 100 The shape is maintained.

Thus, when the front and rear of the adobe block 100 is coupled to the rear of the drop freshening portion 40 of the adobe block 100, which will be described later, for example, the shade shaded by the front recess jaw 20 of the rear and The shelter 50 is formed.

Next, a drop freshening unit 40 having a predetermined depth in a substantially rectangular shape is formed between the front recess jaw 20 and the rear protrusion jaw 30. That is, as shown in FIG. 2, the water from the rear block 100 flows to the fresh water, and the front side of the drop freshening portion 40 of the block 100 is inclined so that the depth becomes shallow.

In addition, the side passages 60 and 60 formed on the left and right sides of the drop freshening unit 40 are formed so that fish can move freely to the fish block 100 assembled on the left and right sides.

That is, the fish can be moved in any direction up, down, left and right, and as shown in Figure 1, the side passages (60), (60) is formed with a connecting ring (90) adjacent to each other adobe block (100) These can be fixed by a coupling mechanism (not shown).

In addition, surplus waters of the drop freshening unit 40 overflow toward the drop freshening unit 40.

Water flows through the overflow portion 70 is formed and flows down the fall freshwater portion 40 of the adobe block 100 installed in the rear of the upper drop down to the drop freshwater portion 40 of the front below the continuous As it falls naturally to the lower block 100, it flows down, and the oxygen in the atmosphere is contacted at the moment of falling, so that the amount of dissolved oxygen in the water is increased and the water quality is naturally purified.

And, as described above, the adobe block 100 has a rest and shelter shaded to the rear of the drop freshening unit 40 as the front recess 20 and the rear protrusion 30 are coupled to each other as shown in FIG. (50) is formed so that the fish can rest here or use as a refuge in case of emergency.

In addition, there is an advantage that can be installed to the environment-friendly structure by installing the intermediate pole 80, as shown in Figure 2 between the adobe blocks (100).

However, this method is made to perform the overflow function as a single block, it is difficult to move the large meat and small meat respectively. That is, large meat is difficult to move upwards because the gap of the overflow portion is narrow, and small meat can move through the passage of the overflow portion, but in the case of smaller meat, it is difficult to overcome it.

The present invention is to solve this, an object of the present invention is to separate the overflow portion and the non-flow overflow portion separately configured, and to install them adjacent to each other to facilitate the movement of corn meat, overflow projections It is intended to provide an adobe block that allows the movement of benthic fish by forming a subterranean cavity at the bottom.

To this end, the present invention is provided with a non-interflow block, but provides a shelter of fish in the space formed by forming a bending protrusion on both sides of the interflow protrusion, and install the overflow block on both sides adjacent to the overflow block, The protrusions allow large fishes to move, and at the bottom, they form a subterranean fish to allow them to move.

1 is a perspective view of a typical fish block,

2 is a cross-sectional view showing an installation state of the fish assembles in the structure of FIG.

3 is a model diagram showing an airway installation state of the present invention,

4 is a perspective view of the overflow block used in the present invention,

5 is a perspective view of the interlacing block used in the present invention,

6 is a plan view of the fish model installed in accordance with the present invention,

7A is a flow diagram of the current flow in the installation state of the overflow block according to the present invention;

7B is an enlarged cross-sectional view of the main portion of FIG. 7A;

8 is a primary experimental result table according to the present invention,

9 is a secondary experiment (depth 10 cm) result table according to the present invention,

10 is a secondary experiment (13 cm depth) results table according to the present invention,

11 is a photograph showing the overflow depth (10 cm) state according to the present invention,

12 is a photograph showing the overflow depth (13 cm) state according to the present invention,

Figure 13 is a photograph showing the overflow depth (16 cm) state in accordance with the present invention.

Explanation of symbols for the main parts of the drawings

200; interlacing block 210; interlacing block 211; bending protrusion 212; space 220; bottom 221, recess, 222; convex 223; assembly 224; ring 300; overflow block 310; overhang 311; lock 312; slope 320; Bottom 321; recessed portion, 322; iron portion 323; assembly 324; ring

That is, the present invention in the adobe block for the river is assembled by extending back and forth, left and right,

Interlacing blocks protruding interlacing protrusions of the interlacing function to the center upper portion and having concave and convex portions that are mutually coupled in the longitudinal direction at both ends in the longitudinal direction of the bottom portion;

Installed on both sides of the bottom of the interlacing block, and lower than the interlacing protrusion, the lower protrusion protruding to the center of the moon as the lower depth, and comprises a overflow block having concave and convex portions to extend from both ends in the longitudinal direction of the bottom I would like to provide a block.

Both sides of the interlacing protrusion of the interlacing block may be formed integrally with the bending protrusions extending in the direction of the flow direction of the water flow to form a space for providing a shelter for the fish.

The bottom surface of the overflow protrusion of the overflow block may be formed with a moving latent to enable the movement of benthic fish.

The latent air may be configured so that the diameter of the upstream layer is smaller than the diameter of the downstream side so that there is no change in flow velocity.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a schematic perspective view showing an example of the assembled state of the adobe block of the present invention, Figure 4 is a perspective view of the overflow block constituting the present invention, Figure 5 is a perspective view of the non-overflow block constituting the present invention,

Interlacing block 200 protruding interlacing protrusion 210 of the interlacing function to the center upper portion and having concave and convex portions 221 and 222 which are mutually coupled in the longitudinal direction at both ends of the bottom portion 220 in the longitudinal direction;

Installed on both sides of the bottom portion 220 of the interlacing block 200 and lower than the interlacing protrusion 210 to protrude the overflow protrusion 310 forming the depth of the moon so as to the upper center, the bottom portion 320 in the longitudinal direction It comprises a overflow block 300 having a concave, convex portion 321, 322 to extend from both ends.

Both sides of the interlacing protrusion 210 of the interlacing block 200 extends in a direction that flows back in the direction of movement of the water flow as shown in FIG. 5 to form a bending protrusion 211 forming a space 212 for providing a shelter for the fish. It is formed integrally.

On the bottom surface of the overflow protrusion 310 of the overflow block 300 is formed a moving fork 311 to enable the movement of benthic fish as shown in FIG.

The perforation 311 is configured such that the diameter of the upstream layer is smaller than the diameter of the downstream side so that there is no change in flow rate.

The bottom surface width W2 of the overflow protrusion 310 may be configured to be wider than the upper surface width W1.

Preferred overflow protrusion 310 may be an upstream side is vertical, the downstream side is an inclined inclined surface.

Interlacing protrusion 210 is configured to withstand the water pressure is thicker toward the bottom than upstream.

Assembling holes 223 and 323 are formed at the bottom 220 of the non-flowing block 200 and the bottom 320 of the overflow block 300, respectively, and in each assembly hole 223 and 323, rings 224 and 324 for extension assembly. Buried)

The present invention configured as described above is installed on the same altitude by installing a monthly flow block 300 capable of overflow around the non-flow overflow block 200 that is not possible to flow in the same altitude, and the overflow flow block 200 and the overflow block 300 To install in a set to extend at different altitudes (installation is to interconnect the rings 224, 324 buried in the assembly holes 223, 324 so as to maintain mutual binding so as to perform the function of the esophagus). In this case, the present invention separately installs the overflow block 300 and the non-flow block 200 so that various installations are possible in response to the surrounding environment, and the height of the overflow protrusion 310 of the overflow block 300 is water flow. To achieve the reservoir depth to store the difference, the height difference between the overhang protrusion 310 and the interlacing protrusion 210 (for example, the height of the overhang protrusion 310 is 60 centimeters, the height of the interlacing protrusion 210 is 80 If the centimeter is 20 centimeters in the overflow depth formed on the overflow protrusion 310, the height (60 centimeters) of the overflow protrusion 310 forms a depth to store the water flow) to perform the functions of the overflow and interlacing naturally In addition, the present invention so that the lack of water (ditch) or the movement of benthic fish is also possible in the case of the water depth to be less than the height of the overflow protrusion (310) by installing a submerged (311) in the overflow protrusion (310) Provides the effect of allowing fish to move. In this case, the air hole 311 has a flat bottom surface and has a round shape of a horseshoe having a shape of about 240 degrees. This prevents breakage of the corners to improve durability and to form an elliptical shape that facilitates the movement of benthic fish such as eel. For sake. Of course, the description is omitted, but the technique itself, such as adjusting the inclination against the floor or the overlapping portion in order to adjust the inclination is a general technology, so the description is omitted.

In the present invention, the overflow protrusion 310 has a bottom surface width W1 of the bottom surface side that is wider than the upper surface width W1, which is basically intended to withstand water pressure, and an overflowing water stream impacts the bottom portion 320. In order to perform the function of reducing the impact force, and also to form the inclined surface 312 in the overhang protrusion 310, the fish moving upstream in the state of reducing the friction force by the inclined surface 312 crying on the overflow protrusion 310 Perform a function that allows you to perform a function that allows you to go. In addition, the interlacing protrusion 210 of the interlacing block 200 of the present invention also becomes thicker as it gets closer to the bottom portion 220 so as to withstand hydraulic pressure and to have durability. In addition, the upstream side of the overflow protrusion 310 and the interlacing protrusion 210 is formed to have an inclined angle that is substantially perpendicular to perform a function of widening the reservoir surface area and improving shelf life of the water stream. In addition, the upper surface of the overflow protrusion 310 to be horizontal to perform a function of maintaining a constant water level.

Hydraulic Model Test

Format and Specification of the Adobe Model

Type of Edo: Ice Harbor Edo

Scale: 1/5

Length: 200cm

Width: 60cm

Tilt: 1/20

Bulkhead Overflow Depth: 10cm, 13cm

The hydraulic model test was carried out using the channel of the indoor water tank at the repair test site of the Rural Research Institute of Agricultural Infrastructure Corporation. As the number of experiments was carried out, the side walls were made of glass so that sulfur could be observed. This will be the final analysis at the construction stage. The fishbone model for the hydraulic model experiment consists of five pools and six bulkheads as shown in FIG. In this experiment, the depth and flow rate were measured at the central portion of the left and right overflow block 300 as shown in FIG. 6 to investigate whether the overflow depth and the flow rate of the bulkheads are sufficient for small fish.

Depth was measured using a ruler at the partition notch starting point (upstream) and the notch end point (downstream) as shown in FIG. 7B. The flow velocity was measured using an Alec Electromagnetic Current Meter (Model ACM-250), which was measured at the time of notch bulkhead (upstream), and the notch end point (downstream) could not be measured due to the difficulty of approaching the compartment.

2.4.3 Experimental Results and Discussion

(1) 1st experiment result

As a preliminary experiment, the experiment was conducted while maintaining the depth of the upstream side of the most upstream partition (bulk number 1) at 10.5 cm. As a result of the experiment, in the upstream side (Fig. 11, Fig. 12) of the right column bulkhead, as shown in Fig. 13 to 11.5 ~ 13.5cm to maintain more than 10cm to keep the depth of the fish can be. In the case of the left row, the depth of water tended to increase little by little toward the downstream, but it is 10.4-12.5cm, which keeps more than 10cm.

The overflow flow rate is 22.4cm / s to 31.3cm / s for the right row bulkhead, which is mostly below 30cm / s. In the left row, 29.1cm / s to 85.0cm / s and below 90cm / s, it is judged that there will be no big problem for fish. However, the flow velocity of the second and third bulkheads in the second and third bulkheads upstream of the left column is 85.0 and 76.0 cm / s. It was judged that the elevation of each bulkhead was not set correctly due to a construction error.

(2) 2nd experiment

Based on the results of the first experiment, the height of each bulkhead was precisely reconstructed and the second experiment was conducted. In the second experiment, the experiment was performed by setting the depth of the uppermost partition (bulk wall number 1) to 10 cm, and the result is shown in FIG. 9.

The upstream flow velocity of the bulkhead was 9.5-11.5cm on both the left and the right sides, as shown in Fig. 9, maintaining a more stable value during the first experiment. In particular, it was stable enough to maintain 10 cm at 8 out of 12 points. Moreover, the stable value was shown as the flow velocity of 31.3-41.4 cm / s. This flow rate and depth are not expected to cause big problems for fish. Therefore, it is judged that fish have no problem in small fishes by eliminating instability during construction, which is an advantage of prefabricated fish.

When the overflow depth was 10 cm, it was determined that the fish overflow was possible, and the experiment was conducted by increasing the overflow depth to 13 cm. The results are shown in FIG. 10.

In this case, the upstream overflow depth of the bulkhead was more severe than the overflow depth of 10cm, but it was relatively stable at 12 ~ 13.5cm on both sides. This depth is believed to have little effect on fish.

The monthly flow rate increased to 53.7 ~ 89.4cm / s, but all remained below 90cm / s. Therefore, it is judged that there is no problem for fish in both flow velocity and depth up to 13cm of overflow depth.

Experiments with increasing depths of 14 and 15 cm showed that the flow rate exceeded 100 cm / s and caused turbulent flow, which was not good for fish. I think it will be good.

As described above, it is important to make precise construction with special care during construction because the slight error in construction of the fish has a big influence on the sulfur of the entire fishery and the flow tends to be unstable.

2.4.4 Conclusion

As a result of performing a hydraulic model test by making an ice harbor type fishery model developed in the present invention, a slight error in construction greatly affects the sulfur of the entire fishery, and the sulfur becomes unstable and thus acts badly on the fish. appear.

This fishery concluded that if the wall depth of each bulkhead was kept at 10 to 13 cm, the fish would be sufficiently wounded with a flow rate of 90 cm / s or less. In addition, the flow rate and depth are stable, and it is believed that fish can maintain a good environment for small wounds.

The present invention described above is not limited to the above-described embodiments and drawings, and various permutations, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those who have

As described above, the present invention is installed by dividing the block forming the esophagus into the overflow block and the non-flow block, so installation and use are advantageous in accordance with environmental changes, and the upper surface of the overflow protrusion of the overflow block is horizontal so that the water level is adjusted. It is advantageous for assembly because there is no error when prefabricated with regular test.

In addition, it is easy to move benthic fishes and perform the function of fish in the dry season as it forms a perforation on the overhang process of the overflow block and stores water in the space created by the process rather than digging a separate groove. Do it.

Claims (9)

In the adobe block for the river is assembled by extending the front and rear left and right, Interlacing block 200 protruding interlacing protrusion 210 of the interlacing function to the center upper portion and having concave and convex portions 221 and 222 which are mutually coupled in the longitudinal direction at both ends of the bottom portion 220 in the longitudinal direction; Installed on both sides of the bottom portion 220 of the interlacing block 200 and lower than the interlacing protrusion 210 to protrude the overflow protrusion 310 forming the depth of the moon so as to the upper center, the bottom portion 320 in the longitudinal direction An airway block, characterized in that configured to include a flow block 300 having a concave, convex portion (321, 322) to extend from both ends. The method of claim 1, Both sides of the interlacing protrusions 210 of the interlacing block 200 are integrally formed with the bending protrusions 211 which form a space 212 for providing a shelter for the fish by extending in the direction of the flow direction of the water flow. Blocks made by. The method of claim 1, An air block, characterized in that the bottom surface of the overflow protrusion 310 of the overflow block 300 is formed with a moving air hole 311 to allow the movement of benthic fish. The method of claim 3, wherein The air hole 311 is characterized in that the diameter of the upstream layer is smaller than the diameter of the downstream side so that the flow rate does not change. The method of claim 1, The bottom surface width W2 of the overflow protrusion 310 is an air block, characterized in that configured to be wider than the upper surface width (W1). The method of claim 1, The upstream protrusion 310 is an upstream side is vertical, the downstream side is an eode block, characterized in that the inclined inclined surface. The method of claim 1, The upper surface of the overflow protrusion 310 is characterized in that the horizontal block. The method of claim 1, Interlacing projections are thicker toward the bottom than the upstream thickening block is characterized in that the air block is configured to withstand water pressure. The method of claim 1, Assembly holes 223 and 323 are formed at the bottom 220 of the interlacing block 200 and the bottom 320 of the overflow block 300, respectively, and the assembly holes 223 and 323 are formed in the assembly holes 223 and 323, respectively. The adobe block, characterized in that the buried.