JPH1193146A - Artificial water storage facility and maintaining method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an artificial water storage facility of a format to be well suitable when it is applied to the facility and to provide a method suitable for maintenance. SOLUTION: An artificial water storage facility, such as a water storage pond, a canal 3, an artificial lake, and a false ocean, is provided with a sluice gate 5 wherein at a usual time, the facility falls at a water bottom part, and the top part of a bag body expanded through injection of fluid is protruded from a water surface and closing is practicable. Through injection of storage water, the sluice gate 5 is expanded. The sluice gate 5 is movable and by injection of air, the gate is floated and through injection of storage water, the gate itself is seated. The foundation of the sluice gate 5 is built on a water bottom. The sluice gate 5 formed in a bow shape and a closed annular shape as seen in a plane is used. When a maintaining work, such as repair, modification, and cleaning, is performed, an object water area is closed and partitioned from other water area, and storage water in this water area is drained. The sluice gate 5 is moved to a position where the object water area is partitioned. In a work, storage water is injected in the sluice gate 5 and stored at other water area.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an artificial water storage facility suitable for, for example, a large-scale canal artificially provided in a theme park, and a method for maintaining the same.

[0002]

2. Description of the Related Art In recent years, leisure facilities such as large-scale theme parks and amusement parks have been provided in various places. Artificial water storage facilities, for example, large-scale simulated vessels through which full-size simulated vessels can pass. In many cases, large-scale canals, artificial rivers, artificial lakes, simulated oceans, and the like are provided. This type of artificial water storage facility is usually constructed by digging down the ground and extending a water stoppage sheet for maintaining water stoppage.

[0003] In this type of artificial water storage facility, it is necessary to periodically or irregularly perform maintenance work on the bottom of the water or on a structure provided below the water surface. For example, when the water-stop sheet is damaged or deteriorated, it is necessary to repair the water-stop sheet, and it is also necessary to clean the bottom of the water or paint a structure submerged under the water surface. . Since such maintenance work cannot be performed while the water is being stored, the stored water is drained and the work is performed after the water is dried.

[0004]

However, in such a large-scale facility, the amount of stored water is enormous, and for example, several hundreds of thousands of m ³ , and such an enormous amount of water is required for maintenance work. It is a great waste to drain all of the water every time, and in that case, of course, after the work is completed, a huge amount of water is required, and it takes a long time only for drainage and water injection It was said that effective improvement measures were needed.

[0005] As a remedy, a water gate is provided at a key point so that it can be divided into a plurality of water areas, and when performing maintenance work, the target water area is partitioned from other water areas by appropriately closing the water gate. However, draining only from the target water area is being considered. For the sluice gates provided for this purpose, various types of sluices that have been used for a long time in actual canals and the like, for example, a gate that can be moved up and down along the columns erected on both banks of the canal, Water-type models that are raised above the water surface, double-door type with gates on both sides, and submerged types that normally fall down to the bottom of the water and stand up at the deadline can be used. It is supposed to be.

[0006] However, the above-mentioned conventional floodgates have a cutoff performance that does not hinder the actual closing of canals and the like. When applied for the purpose of making the inside of the compartment completely dry, any of them cannot secure sufficient shutoff performance. In addition, a floating type or a double door type is not preferable because the columns and gates are installed in an exposed state on the ground and are different from the scenery as a theme park and are not suitable for the environment. Also, in the submerged type, the gate is usually lying at the bottom of the water, so the water depth becomes shallower, which may hinder the navigation of a large model ship, In order to avoid this, it is necessary to dig deeper into the bottom of the water than the other parts at the place where the gate is installed.

In view of the above circumstances, an object of the present invention is to provide an artificial water storage facility suitable for a theme park or the like and a suitable method for maintenance thereof.

[0008]

According to the first aspect of the present invention, there is provided an artificial water storage facility, such as a reservoir, a canal, an artificial lake, or a simulated ocean, which is provided artificially, and can be expanded and contracted by injecting and discharging a fluid. A sluice gate made of a bag is provided, which can be partitioned into a plurality of water areas by the sluice gate. It is configured to be able to be closed.

According to a second aspect of the present invention, the sluice is expanded by injecting stored water stored in the artificial water storage facility.

According to a third aspect of the present invention, the sluice gate is provided so as to be movable by towing while floating above the water surface and to be able to land on the water bottom at a desired position, and the partition position is changed by moving the sluice gate. It was made possible.

According to a fourth aspect of the present invention, the sluice gate itself can float on the water surface by injecting air, and can itself land on the water bottom by injecting stored water. It is.

According to a fifth aspect of the present invention, a foundation for the water gate is provided at a position where the water gate is landed.

According to a sixth aspect of the present invention, the water gate has an arcuate shape in plan view so that both ends of the water gate are pierced.

According to a seventh aspect of the present invention, the water gate has a closed annular shape in plan view.

An eighth aspect of the present invention is a method for performing maintenance work such as repair, renovation, and cleaning of the artificial water storage facility, wherein a target water area where the maintenance work is to be performed is closed by the sluice gate. In this way, after being partitioned from another water area, the stored water in the target water area is drained.

According to a ninth aspect of the present invention, the sluice gate is movable so that the division position by the sluice gate can be changed, and when dividing the target water area from another water area, the sluice gate is located at a position where the target water area can be divided. The sluice was moved.

According to a tenth aspect of the present invention, the target water area is partitioned by injecting the water stored in the water storage facility into the water gate and expanding the water gate, and water discharged from the target water area is used as another water. It is supplied to water bodies and stored there.

[0018]

1 to 3 show an artificial water storage facility 1 according to an embodiment of the present invention. FIG. 1 is an overall schematic view, FIG. 2 is a perspective view of a main part, and FIG. 3 is a main part. It is sectional drawing. This facility 1 is provided in a theme park, and is provided around a man-made island 2 with a canal 3 and an inlet 4 surrounding the artificial island 2, and a full-size simulated ship (or a real ship). It is a large scale that can be navigated. The canal 3 and the inlet 4 are constructed by digging the ground, and the waterproofing sheet is stretched over the entire surface to ensure the waterproofing performance.

The facility 1 is provided with floodgates 5 at a total of six locations located in the narrow part of the canal 3. As shown in FIG. 3, the sluice gate 5 has a semi-cylindrical bag 5b made of a rubber film attached to a concrete base 5a, and is shown in FIGS. 2 (a) and 3 (a). Normally the bag 5
b has contracted and has fallen to the bottom of the water, but when the stored water of this facility 1 is injected into the bag body 5b, FIG.
As shown in FIG. 3 (b) and FIG. 3 (b), the bag 5b expands and stands up, and the top protrudes above the water surface while crossing the canal 3 so that the canal 3 can be shut off. Things.

The facility 1 is provided with the water gates 5 having the above-described structure at six locations, so that the entirety of the canal 3 can be partitioned into six water bodies by the water gates 5. By performing drainage for each of the designated water areas, only a desired section can be in a dry state.

That is, for example, when a maintenance work, for example, a repair work of a waterproof sheet is performed on the water area A shown in FIG. 2 (a), two water gates 5 located on both sides of the target water area A are provided. 5 by inflating and shutting off, and draining from the interior of the compartment closed by them.
As shown in (b) and FIG. 3 (b), only the target water area A can be in a dry state, and a maintenance work there can be performed.

In this case, in order to shut off the sluice 5, FIG.
As shown in (a), the stored water in the target water area A may be injected into the sluice gates 5 using the pump 6 and expanded. Further, after the sluice gates 5 are closed, the stored water in the target water area A may be supplied to another adjacent water area using the same pump 6 and temporarily stored therein. If you do this,
After the work is completed, the deadline is automatically released only by discharging the stored water from the sluice gate 5, and the water returns to its original state naturally.
No water is wasted at all. The pump 6 and the piping may be fixedly provided as an accessory to the sluice gate 5, or a portable submersible pump or the like may be appropriately used.

By performing the maintenance work as described above in the above-mentioned facility 1, a large waste occurs as in the case where the entire amount of the stored water is drained during maintenance, or the drainage or new water injection is performed. In addition to the above, it is possible to avoid the disadvantage that it takes a long time, and there are the following excellent advantages as compared with the case of using the above-mentioned conventional general floodgate.

That is, the water gate 5 used in the present embodiment can ensure perfect shutoff performance only by slightly projecting the top of the bag 5b above the water surface, and is injected into the bag 5b. By the weight of water, sufficient water stoppage and stability can be naturally ensured. Also,
Since it has a simple configuration in which water is injected into the flexible bag body 5b to inflate it, it can be manufactured and installed at a sufficiently low cost. In addition, since the floodgate 5 is normally submerged under normal conditions, the view is not impaired, and the present invention can be widely applied to any theme park. Also, at normal times, the bag 5b is laid down on the bottom of the water under water pressure and the thickness of the foundation 5a is small. There is no need to dig deeper into the installation location.

When the bag 5b is inflated, it is most reasonable to inject the water stored in this facility as described above. However, if necessary, another fluid such as air or high specific gravity may be used instead. It is also possible to use such a liquid. However, when air is used, buoyancy acts on the sluice gate 5, so it is necessary to secure anchor strength for preventing the sluice from rising. Conversely, when a high-specific-gravity liquid is used, there is an advantage that the stability of the sluice gate 5 at the time of closing is naturally increased.

In place of the above-mentioned sluice gate 5, it is possible to appropriately adopt an optimum configuration according to the conditions and scale of the installation location, for example, a configuration as shown in FIG. The water gate 11 shown in FIG. 4 (a) is obtained by attaching a bag 11b made of a rubber film to a steel shell base 11a having a hollow structure, and the one shown in FIGS. 4 (b) to 4 (d) omits the base. The bag body is directly anchored to the bottom of the water, and the sluice gate 12 shown in (b) has two upper and lower rubber films 12a,
The water gate 13 shown in (c) is a bag 13a made of a single rubber film, which is literally formed into a bag shape, and the water gate 13 shown in (c) is installed by one anchor 13b (d). The sluice gate 14 shown in (1) is constructed such that the same bag body 14a as in (c) is installed by two anchors 14b.

FIG. 5 shows the water gate 1 shown in FIG.
1, but shows an example in which it is movable. This means that the sluice gate 11 itself floats on the water surface by utilizing the buoyancy when air is injected into the bag body 11b and inflated, and in this state, the tow gate 11 is towed to a desired position, and the air is discharged there. By injecting water, it is settled on the bottom of the water. In this case, if necessary depending on the condition of the water bottom, etc.,
If only the water gate 11 is provided and the water gate 11 is settled thereon, it is possible to secure water stoppage and stability at the water bottom. If the sluice gate 11 is movable as described above, the partition position of the sluice gate 11 can be freely changed, so that the target water area where the maintenance work is to be performed can be set freely and optimally.

Although the embodiment of the present invention has been described above, the present invention can be further variously modified and applied as listed below. FIG. 6 shows the most basic form of the artificial water storage facility of the present invention, in which a reservoir 21 is divided into two water bodies by a single sluice gate 22, and either one of the water bodies is used. Can be freely maintained regardless of the other water area. FIGS. 7 to 9 show a case where a movable sluice gate is used as shown in FIG. 5, and FIG. 7 shows that two sluice gates 23 and 23 are used as a pair to move them to an arbitrary position. An arbitrary closed water area is formed between the pair of sluice gates 23, 23. FIG. 8 shows a case in which one sluice gate 24 having an arcuate plan shape is used, and the sluice gate 24 is moved in a state where both ends of the sluice are berthed to cover the entire water area.
Uses a floodgate 25 whose plane shape is a closed ring and can separate the inside and outside by itself, and is moved to cover the entire water area. Note that the bow-shaped floodgate 24 and the annular floodgate 25 shown in FIGS. 8 and 9 are not limited to movable ones, and may be fixedly provided at necessary places.

Furthermore, the artificial water storage facility of the present invention not only uses the above-mentioned sluice gate provided therein to partition the water area during maintenance of the facility, but in addition thereto,
Alternatively, the sluice may be used for other purposes, for example, for attractions. As an example, a bag corresponding to the theme of the theme park is placed on the bag of the sluice gate (for example, a whale if this facility is a simulated ocean. In this case, the shape of the bag should be made in a whale shape) More effective) and aiming for the effect of floating on the water surface by inflating the bag body, or forming a waterfall by overflowing the floodgate,
It can be used to produce natural disasters such as floods and tsunamis by sudden operation of a floodgate, or to produce water that dries up and shows the bottom of the water. It is also possible to secure a passage for walking and crossing the bottom of the water for maintenance work, and to use such a passage for attraction (for example, recreating the story of Moses' Exodus). It is also possible to do.

Of course, the artificial water storage facility of the present invention is not only applied to a leisure facility such as a theme park as in the above embodiment, but is also used for maintenance work in various artificially provided water storage facilities. Or, if it is necessary to divide the whole water area into several water areas for any other purpose (for example, in a fish farm etc., change the division or growth environment according to the growth of fry. It is needless to say that the present invention can be similarly applied to such cases.

[0031]

As described above, the artificial water storage facility of the present invention is provided with a floodgate formed of a bag body whose top protrudes above the water surface when inflated. Performance can be ensured, so that the desired water area can be separated from other water areas during maintenance work, etc. In addition, the floodgate normally falls on the bottom of the water, and the landscape is damaged or the ship is damaged. It is suitable for installation in a theme park or the like because it does not hinder the traffic of the city.
In particular, if the stored water of this facility is injected into the sluice and expanded, other expansion media are unnecessary and reasonable.
If the lock is movable, it is possible to freely and optimally change the location of the lock by the lock, and if the lock can be raised and settled by itself, its movement, towing and sinking can be performed. It can be easily performed, and if the foundation of the floodgate is provided at the bottom of the water, water stoppage and stability there can be secured, and if an arched or annular floodgate is used, the water area can be divided only by those floodgates it can.

In the maintenance method of the present invention, the target water area is divided by the above-mentioned sluice gate and the drainage water is drained from the partitioned water area at the time of the maintenance work for the facility, so that the target water area is irrespective of other water areas. Only the water area can be in a dry state, so that there is no waste as in the case where the entire amount of water is drained from the entire facility, and the working time can be shortened. In particular, it is possible to set the target water area arbitrarily and optimally by making the sluice gate movable and appropriately changing the division position, expanding the sluice with the stored water of the facility and removing the remaining stored water. If the water is temporarily stored in the water area, the stored water will not be wasted at all.
In addition, when water is to be condensed after the maintenance work is completed, it is only necessary to gradually lower the sluice gate, and since a pump for injecting water is not required, power is not required and energy can be saved.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing an entire canal which is an embodiment of an artificial water storage facility of the present invention.

FIG. 2 is a perspective view of a main part of the same.

FIG. 3 is a sectional view of a main part of the same.

FIG. 4 is a diagram showing another example of a floodgate used in the artificial water storage facility of the present invention.

FIG. 5 is a view showing still another example of a floodgate used in the artificial water storage facility of the present invention.

FIG. 6 is a diagram showing another example of the artificial water storage facility of the present invention.

FIG. 7 is a view showing still another example of the artificial water storage facility of the present invention.

FIG. 8 is a diagram showing still another example of the artificial water storage facility of the present invention.

FIG. 9 is a view showing still another example of the artificial water storage facility of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Artificial water storage facility 3 Canal 5 Sluice gate 5b Bag body 11-14 Sluice gate 22-25 Sluice gate

Continued on the front page (72) Inventor Takanobu Kashiuchi 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Tetsuro Hori 2-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation Inside

Claims (10)

[Claims] Claims: 1. An artificial water storage facility, such as a reservoir, a canal, an artificial lake, a simulated marine, etc., which is provided artificially.
A water gate made of a bag body that can be expanded and contracted by discharging is provided, and the water gate can be partitioned into a plurality of water areas, and the water gate sinks below the surface of the water in a contracted state and falls down to the bottom of the water, and in the expanded state, An artificial water storage facility characterized in that a top portion protrudes above the water surface and can be shut off. 2. The artificial water storage facility according to claim 1, wherein:
The artificial water storage facility, wherein the water gate expands when stored water stored in the artificial water storage facility is injected. 3. The artificial water storage facility according to claim 1, wherein the water gate is provided so as to be towed and movable while floating above the water surface and to be able to land on a water bottom at a desired position. An artificial water storage facility, characterized in that the position of the division can be changed by moving the water. 4. The artificial water storage facility according to claim 3, wherein
The sluice is characterized in that it is capable of floating on the water surface itself by injecting air, and is capable of landing on the water bottom by itself by injecting stored water. And artificial water storage facilities. 5. The artificial water storage facility according to claim 3, wherein a foundation of the water gate is provided at a position where the water gate is to be landed. 6. The artificial water storage facility according to claim 1, wherein the water gate has an arcuate shape in plan view and has both ends berthing. . 7. The artificial water storage facility according to claim 1, wherein the water gate has a closed annular shape in plan view. 8. A method applied when performing maintenance work such as repair, renovation, cleaning, and the like on artificially provided reservoirs, canals, artificial lakes, artificial oceans, etc.,
The artificial water storage facility is composed of a bag that can be expanded and contracted by injecting and discharging fluid, sinks below the surface of the water in the contracted state, falls down to the bottom of the water, and has its top protruding above the water surface in the expanded state and shut off. A water gate that can be provided is provided, and the artificial water storage facility can be partitioned into a plurality of water areas by the water gate, and when performing maintenance work on the artificial water storage facility, the target water area where the maintenance work is to be performed is defined by the water gate. A method for maintaining an artificial water storage facility, comprising: separating water from another water area by shutting off water, and then draining stored water in the target water area. 9. The maintenance method for an artificial water storage facility according to claim 8, wherein the water gate is movable so that a partition position by the water gate is changeable, and the target water area is partitioned from another water area. A method for maintaining an artificial water storage facility, wherein the water gate is moved to a position where the water area can be partitioned. 10. The maintenance method for an artificial water storage facility according to claim 8 or 9, wherein the target water area is partitioned by injecting stored water in the water storage facility into the lock and expanding the lock. In addition, a method for maintaining an artificial water storage facility, characterized in that water discharged from the target water area is supplied to another water area and stored therein.