JPH0797872A - Underground sports facility utilizing tunnel - Google Patents

Abstract

PURPOSE:To construct a skiing ground, ice skating rink, or bicycle racing course which can be easily used independently of the seasons, under the ground close to a city. CONSTITUTION:A tunnel ski course 1 having a slope of 15 deg. in average is formed on a mountain close to a city, and hotels are constructed at both the ends, and the management department for the skiing ground is set, and used for the lodging and rest of users, and a protecting net 4 is laid in the intermediate part between the upper and lower parts of the tunnel ski course 1, and the lower side is used as a skiing part 5. A lift 6 is installed on the upper side, and persons and instruments are transported between the hotels at both the ends, and an artificial snow spraying device 7 is installed on the undersurface of the protecting net 4, and a piled snow layer 9 is formed on a tunnel floor 8, and a skiing ground is constructed. Similarly, on the underground, an elliptical tunnel permitting the communication in the longer axis and shorter axis directions is constructed, and an artificial ice forming device is installed, and an underground ice skating rink is constructed, and a bicycle racing course having an inclined part on the elliptical outer peripheral side is constructed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underground sports facility in which a tunnel is built underground to construct a ski resort, ice skating rink, or bicycle racetrack.

[0002]

2. Description of the Related Art A conventional ski resort is built in a place where the amount of snowfall is large and the topographical conditions are good, but it is inconvenient to transport because it is far from the city where there are many users, and it depends on the weather.

Further, the conventional ice skating rink is built on a relatively flat place in a cold area or is built indoors with an artificial ice making device. Similar to the above, transportation is inconvenient in remote areas away from the urban area, and the indoor ice skating rink built in one urban area is high in land price, so it is difficult to make something for full-scale competition, I had to do it.

Further, the conventional bicycle racetrack is provided in a city or the suburbs of the city, but it occupies a fairly large amount of land and cannot be easily installed due to the land price.

[0005]

[Problems to be Solved by the Invention] The problem to be solved is that a large land is required to build a ski resort, an ice skating rink, and a bicycle racetrack, and it is difficult to build on expensive land near the city. Ski areas and ice skating rinks that require ice and ice have inconvenience in transportation due to being in a cold place away from the city with many users, and there are difficulties depending on the weather when using them. There were problems such as destruction of the natural environment due to logging.

An object of the present invention is to construct a tunnel-type ski resort, ice skating rink or bicycle racetrack near the city at low cost without damaging the environment by utilizing the underground where the temperature is low and the temperature change is small. , To allow many people to easily enjoy skiing, ice skating, and bicycle races at any time.

[0007]

[Means for Solving the Problems] The present invention for attaining the above-mentioned object uses a tunnel in which a tunnel is built underground to construct a ski resort by artificial snowfall or an ice skating rink or bicycle race track by artificial ice making. It is an underground sports facility.

In addition, in the above ski resort, a tunnel having a slope in part or all is built in the basement of the mountain, vehicles such as lifts are installed in the upper half of the tunnel, and artificial snow is applied to the tunnel floor. It was constructed by installing an artificial snowfall device for stacking.

In addition, the above ice skating rink is underground
It is constructed by constructing an ellipse and a tunnel which communicates the major axis direction and the minor axis direction of the ellipse with each other, and providing an artificial ice making device for producing ice on the tunnel floor.

[0010] In addition, the above-mentioned bicycle racetrack is provided in the basement with an oval shape.
A tunnel that connects the major axis direction and the minor axis direction of the oval is made, the floor surface near the in-course of the oval tunnel is a flat portion, and the floor surface on the out-course side that follows the flat portion is gradually outwardly directed. The inclined portion is made higher, and the inclined portion has a greater degree of inclination in the curved portion than in the straight portion, and a viewing seat with a fence is provided on the outer peripheral side of the inclined portion.

[0011]

[Operation] Since the ski area requires a long distance and slope,
Although the underground of the mountain is used, the excavation right can be obtained inexpensively even in the suburbs of the city. Since the temperature is low in the basement and the temperature does not change much, it is possible to ski in a sufficient amount due to artificial snowfall, and it can be easily used regardless of the season.

[0012] The ice skating rink is also built underground in the mountains or wilderness areas where excavation rights can be obtained at a low price in the suburbs of the city. By utilizing the low temperature and low temperature changes in the underground, similar to the ski rink, It is possible to construct an ice skating rink using artificial ice making it easy to use regardless of the season.

The bicycle racetrack can be constructed at a low cost if it is built underground such as in the mountains near the city where excavation rights can be obtained inexpensively.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings. (First Embodiment) FIGS. 1 to 3 show the structure of a ski resort according to a first embodiment. FIG. 1 shows a ski resort in which a tunnel is built in the basement of a mountain in a convenient location relatively close to a city. 2 and 3 show a side view and a plan view of a ski resort using this tunnel.

(1) is a tunnel ski course, which has an appropriate length under the mountain as shown in FIGS. 2 and 3 and has an average length of 15
Although it is not shown in the figure, it has a widened portion at intervals of 100 m, which has a slope of about ° and an appropriate curve, and is used as a place for a short break or inspection of ski equipment. A lower hotel (2) is provided at the lower end of the tunnel ski course (1), and an upper hotel (3) is provided at the upper end of the tunnel ski course.

In the tunnel ski course (1), a protective net (4) is stretched between the upper and lower parts as shown in FIG. 1, and the lower part is used as a ski part (5) from the upper hotel (3) to the lower hotel (2). ), And a lift (6) is provided on the upper part to carry people and equipment between the lower hotel (2) and the upper hotel (3). It is also possible to install a monorail, an elevator, an escalator, a cable car, etc. in place of the lift (6).

Reference numeral (7) is an artificial snowfall device, which is attached to the lower surface of the protective net (4) in large numbers and drops artificial snow to form a snow layer (9) on the tunnel floor (8). (1
Reference numeral 0) is a television camera, which is provided on the upper side wall of the ski part (5) and is constantly monitored in the control room of the lower hotel (2) or the upper hotel (3). In addition, although not shown, instruments such as a thermometer and a hygrometer are attached to control environmental conditions and the like by a computer.

(11) is a lighting, which is provided at a proper place on the inner wall of the tunnel. (12) is a cushion, ski course (2)
It is attached to the bottom of both side walls of the to protect against collisions. Various pipes (13) are attached to the inner wall of the tunnel above the protective net (4). (14) is a drain pipe,
It is buried under the tunnel.

The ski resort using the tunnel constructed as described above has a lower temperature than that in the atmosphere because it is underground, and the temperature change is extremely small and almost constant throughout the four seasons. ) Is easy to build and is not affected by the weather, so you can run a ski all year round.

Since the underground is used in the mountains, the right of excavation can be obtained at a relatively low cost even in a convenient location in the suburbs of the city, and the people in the city can easily use the right to excavate, which stabilizes the customer. With the expected securing, it will be possible to put it on a profitable pace even including the construction cost of the tunnel, and many people can enjoy skiing at a reasonable price, contribute to the promotion of leisure sports, and enrich the local community. To bring.

(Second Embodiment) FIGS. 4 to 6 show an ice skating rink using a tunnel as a second embodiment, FIG. 4 is a cross-sectional view of an ice skating rink, and FIG. 5 is an ice skating rink. Is a plan view and FIG. 6 is a side view of the same.

This ice skating rink is constructed by connecting a tunnel skating rink (20) to the basement of a mountain in the suburbs of the city as shown in FIG. 6 and an oval as shown in FIG. 5, and connecting the major axis direction and the minor axis direction to each other. Then, a hotel (21) will be built at the exit of the tunnel skating rink (20) that extends in the minor axis direction, and an ice skating rink management department will be set up for the accommodation and breaks of users.

The structure of the tunnel skating rink (20) is shown in detail in FIG. (4), and the waterproof layer (23), the heat insulating layer (24) and the waterproof layer (25) are provided on the tunnel floor (22).
Are provided in order, and a skating floor (27) made of concrete in which a large number of cooling pipes (26) are embedded in parallel in the longitudinal direction is formed on the waterproof layer (25). By flowing the refrigerant, the heat of water accumulated on the skating floor (27) is absorbed and frozen to form an ice layer (28).

(29) is a bleacher formed by partitioning the upper part of the tunnel, (30) is a TV camera, which is provided on the upper part of the side wall of the tunnel, and the image is constantly monitored in the management room of the hotel (21). You can watch the competitions in the lobby of the hotel for general viewing and also broadcast on TV channels.

Reference numeral (31) is an illumination, which is provided at a proper place on the inner wall of the tunnel. The reference numeral (32) is a cushion, which is attached to the lower portions of both side walls of the tunnel skating rink (20) and serves as a buffer when a collision occurs. Various pipes (33) are provided near the viewing seats (29) on the inner wall of the tunnel. (34) is a drainage pipe, which is buried under the tunnel.

Since the ice skating rink using the tunnel having the above structure is underground, the temperature is lower than that in the atmosphere, and the temperature change is extremely small and almost constant throughout the four seasons. 9) is easy to build and is not affected by the weather, so an ice rink can be run all year round. The elliptical course is mainly used by experts, and the straight course in the major axis direction and the minor axis direction is mainly used for beginners to practice.

Since this ice skating rink uses the basement of the mountain, even in a convenient location near the city, the right of excavation can be obtained at a relatively low cost, and the people in the city can easily use it. Since it is expected to secure stable customers, it can be put on a profitable pace even including tunnel construction costs, many people can enjoy ice skating at a cheap price, and contribute to promotion of leisure sports, It brings moisture to the local area.

(Third Embodiment) FIGS. 7 to 9 show a bicycle racetrack using a tunnel as a third embodiment, FIG. 7 is a plan view of the bicycle racetrack, and FIG. 8 is AA of FIG. 7 is a detailed sectional view taken along line B-B in FIG. 7.

As in the tunnel skating rink described above, this bicycle racetrack has a tunnel built underground in the suburbs of the city.
An oval tunnel bicycle race course (40), as shown in
While constructing a straight line practice course (41) connecting the major axis direction and the minor axis direction and building a hotel (42) at the exit of the tunnel extending the minor axis direction and placing the bicycle racetrack management department, It is used for lodging and breaks for users.

The structure of the tunnel bicycle race course (40) is shown in FIG. 8 with a straight line portion and in FIG. 9 with an enlarged cross section near the center of the curve, and the floor surface near the in-course of the tunnel bicycle race course (40) is shown as a flat portion ( 43), and the floor surface on the outcourse side following this flat portion is an inclined portion (44) that gradually increases in the outer peripheral direction. The inclined portion has a small degree of inclination as shown in FIG. When entering the curve, the slope gradually increases, reaching the maximum slope (max. 45 °) at the center of the curve as shown in Fig. 9, and then gradually decreasing the slope and continuing to the straight line portion. Further, a viewing seat (46) having a fence (45) is provided on the outer peripheral side of the inclined portion (44). The practice course (41) is entirely flat and is used for training athletes.

Reference numeral (47) is a television camera, which is attached to an appropriate place on the inner wall of the tunnel and is used for viewing the competition situation in a hotel lobby or the like and for broadcasting a television channel.
(48) is a lighting, which is also attached to the inner wall of the tunnel. (49) is various pipes, which are attached to the top of the inner wall of the tunnel. (50) is a drainage pipe, which is buried under the tunnel.

Since the bicycle racetrack using the tunnel constructed as described above is underground, it is possible to obtain the excavation right at a relatively low cost even if the location is convenient for transportation in the suburbs of the city. Since it can be held regardless of the situation, it is expected that it will be easy for city people to use and secure stable customers, so it can be put on a profitable pace even including the tunnel construction cost, and many people can enjoy the bicycle race, It can bring moisture to the local area.

[0033]

[Effects of the Invention] According to the ski resort, the ice skating rink, and the bicycle race track using the tunnel described above, the underground environment can be used to maintain the natural environment without destroying the surface of mountains and the like. Since artificial snowfall and artificial ice making at ice skating rinks are performed inside the tunnel, it is advantageous because the temperature is low and the temperature change is small, and therefore it can be installed even in warm regions, providing convenient transportation in the suburbs of cities. It is possible to build a relatively inexpensive building in a good location without the need to secure a large amount of expensive land, and because it can be used easily regardless of the season and weather, it is possible to secure customers throughout the year, which is an advantage. It can be run, which is convenient for ski and skating enthusiasts, and brings a lot of energy to the locals by gathering many people. Also, a bicycle racetrack needs to be built in the suburbs of the city in order to attract a large number of customers. The bicycle racetrack can be easily used by the rider.

[Brief description of drawings]

FIG. 1 is a sectional view of a tunnel ski course.

FIG. 2 is a side view of a ski resort using a tunnel formed in the basement of a mountain.

FIG. 3 is a plan view of a ski resort that also uses a tunnel.

FIG. 4 is a sectional view of a tunnel skating rink.

FIG. 5 is a plan view of a tunnel skating rink.

FIG. 6 is a side view of an ice skating rink using a tunnel built in the basement of a mountain.

FIG. 7 is a plan view of a tunnel bicycle race course.

8 is an enlarged cross-sectional view taken along the line AA of FIG.

9 is an enlarged sectional view taken along line BB of FIG.

[Explanation of symbols]

 1 Tunnel ski course 2 Lower hotel 3 Upper hotel 4 Protective net 5 Ski section 6 Lift 7 Artificial snowfall device 8 Tunnel floor 9 Snow layer 20 Tunnel skating rink 21 Hotel 22 Tunnel floor 26 Cooling pipe 27 Skating floor 28 Ice layer 40 Tunnel wheel race Course 41 Practice course 42 Hotel 43 Flat part 44 Slope part 45 Fence 46 Spectators

Claims (4)

[Claims] 1. An underground sports facility using a tunnel, characterized in that a tunnel is built underground to construct a ski resort by artificial snowfall, an ice skating rink or artificial bicycle rink by artificial ice making. 2. An artificial snowfall in which a tunnel having a slope in part or in whole is built in the basement of a mountain, a vehicle such as a lift is installed in the upper half of the tunnel, and artificial snow is accumulated on the tunnel floor surface. An underground sports facility using a tunnel according to claim 1, wherein the device is provided as a ski resort. 3. An ice skating rink provided with an artificial ice-making device for making ice on the floor of the oval and a tunnel connecting the oval with the major axis direction and the minor axis direction of the tunnel. An underground sports facility that uses the tunnel of paragraph 1. 4. An underground oval is formed with a tunnel communicating with the major axis direction and the minor axis direction of the oval, and the floor surface near the in-course of the oval tunnel is a flat part, and the flat part is provided on the flat part. The underground sports using the tunnel according to claim 1, wherein the floor surface on the subsequent outcourse side is an inclined portion that gradually increases in the outer peripheral direction, and a spectator seat with a fence is provided on the outer peripheral side of the inclined portion to form a bicycle racetrack. Facility.