JP4031497B2 - Tsunami shelter - Google Patents

Description

The present invention relates to an evacuation facility for protecting human lives from a tsunami.

Conventionally, in order to safely and securely protect yourself from a tsunami, it has been the one and only measure in the past to evacuate a healthy person and a person in a wheelchair to one evacuation facility quickly and individually. However, there is not always an appropriate elevated evacuation facility near the victims.

In 1993, 3 to 5 minutes after the earthquake, a tsunami with a wave height of 30m struck Okushiri Island in Hokkaido.
(Research bulletin of the Fire Science Center, Japan): Quarterly: Fire science and information: No. 75 / Report by Takayoshi Kimura, General Manager, Okushiri Town Office General Affairs Division, Hokkaido

The Tonankai and Nankai earthquakes, which are expected to hit in the future, have been announced where the tsunami will reach within 5 minutes. A wheelchair person cannot evacuate to an appropriate evacuation facility in 5 minutes. Therefore, there is a need for a safe evacuation facility that can be used on a daily basis in a familiar place and not submerged in any tide level.

In the above background, various solving apparatuses are known. Patent Document 1 provides a floating ship used when there is a tsunami or large water. In Patent Document 2, a disaster prevention shelter having a novel structure that can further enhance the safety of a victim in the event of a tsunami or flood is known.

JP-A-8-276894 Japanese Patent No. 3541197

In the above-mentioned Patent Document 1, a support rod that passes through the approximate center of the hull is provided in a cylindrical hull provided with an entrance with a lid at the top and a balance weight at the bottom, and swings around the support rod. An evacuation facility was established with a possible containment room. In Patent Document 2, an approximately spherical shell-shaped hollow structure having a watertight internal space is provided with an entrance that can be closed watertightly by an open / close door, while a balance mass is provided at the bottom of the hollow structure. The facility is provided with a ventilation opening in the top wall portion of the hollow structure so that it can float on the water in a state where a person is accommodated in the internal space and the entrance is closed.

In the above-mentioned Patent Document 1, when entering / exiting the storage room from the entrance / exit of the hull, an occupant is sandwiched between the hull and the swingable storage room by an unexpected person or wave movement, and a part of the body or the whole body is guillotine. There is a risk of damage as if applied. In addition, a ladder is equipped as a lifting facility to get on, but if a tsunami hits and once she evacuates to the containment room as a disaster victim, she goes out again, changes position, and secures her own safety, It is difficult to extend a rescue hand to an outside victim using a ladder because the outer shell swings with the weight of the worker who has gone outside. In the above-mentioned Patent Document 2, as will be described later, “After being caught in the waves, life and death were divided at this stage because there was a place or thing to be caught nearby, or there was a person who rescued nearby. It is important to be able to maintain physical strength until rescued, and whether it was able to float "is pointed out. Tsunami evacuation facilities were originally 1) people who were able to escape to the evacuation facility, 2) people who were able to come to the door of the evacuation facility but could not escape to the evacuation facility, and 3) that they were coming to the side of the evacuation facility There are people at various stages, such as those who have been swept away by the tsunami. It is necessary to reach out to people at each stage, but this should be taken into account.

The tsunami shelter of the present invention can be used 24 hours a day, 365 days a day, to ensure the safety of several hours at the time of the tsunami in order to solve the above problems, the usability is simple and clear, easy to understand, and any tide level The purpose of this project is to provide an effective public evacuation facility that protects human lives and facilitates the evacuation of people in wheelchairs, even in the event of a tsunami or not running up high.

A tsunami shelter body with an evacuation chamber at the top and a buoyancy chamber at the bottom, a flow enclosure attached to the outer periphery of the tsunami shelter body, a flow fence attached to the outer periphery of the flow enclosure, and a tsunami shelter It is composed of a connecting line having one end fixed to the main body and the other end fixed to the foundation ground.

It is characterized by being installed on a tsunami shelter installation base on the foundation ground.

The connecting cable is characterized by being a metal, a chemical fiber material, or an elastic material.

The tsunami shelter body is a composite material of a metal material, a concrete material, or a synthetic resin material, and is characterized by a shape combining a spherical shape, a square shape, a cylindrical shape, or the like.

The tsunami shelter installation base is a composite material of a concrete material or a metal material, and is characterized by having a shape combining a square shape or a cylindrical shape.

It consists of a fixed rudder and landing legs installed at the bottom of the tsunami shelter body.

It is composed of a safety belt attached to the evacuation chamber outer periphery handrail.

It is characterized in that the flow enclosure is made of buoyant material.

Many people who encounter the tsunami are late to escape. People who are late to run away are often drowned in waves and drinking seawater, or they are damaged by flotsam and lose physical strength and buoyancy, and eventually drown. Speaking of the important requirement to separate life and death by encountering a tsunami, “After being caught in a wave, I divided life and death at this stage because there was a place or thing to catch nearby, rescued nearby The chance of someone who gave me is great, but it is important whether they were able to maintain their physical strength until they were rescued or not. ”Source: The 58th Annual Scientific Lecture of the Japan Society of Civil Engineers "Consideration of human damage in Japan" Report by Professor Fumihiko Imamura, Director, Disaster Control Research Center, Graduate School of Engineering, Tohoku University Therefore, this tsunami shelter can float and float together with the buoyancy of the buoyancy chamber and the flow enclosure made of buoyancy material, so the evacuation room will not be submerged, and the tsunami shelter with the connecting cable Since the foundation ground is connected, there is no drift. This evacuation facility not only considers accommodation in the evacuation room, but also escapes directly from the seawater to those who have not been able to enter the evacuation room due to late escape, which was not considered by conventional evacuation facilities. A flow enclosure as a temporary evacuation space was installed on the outer periphery of the tsunami shelter body.

For those who have not been able to get into the flow guard in time, if they grab directly from the sea, they will not drift and will have the effect of "maintaining physical strength and being able to float until rescued". Was installed on the outer periphery of the flow enclosure. This prevents the person in the flow guard from flowing out. In addition, after the people who had already evacuated secured their safety with the safety belt, a plurality of floating rings were installed to help those who drifted near the evacuation facility. In this way, this evacuation facility has 1) a person who escaped to the evacuation room, 2) a person who escaped to the flow guard, 3) a person who grabbed the retaining fence, 4) a person who grabbed the floating ring, and each stage. It is an evacuation facility to rescue people.

By appropriately using the disaster prevention function of this evacuation facility with the purpose opened to the outside as described above, it is possible to save many lives even though it is a small evacuation facility and to ensure its existence, location and function even after a disaster. This evacuation facility has a positive effect as a local meeting place and emergency goods warehouse as a base for quick recovery measures after the disaster.

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

    1 to 6 and FIGS. 15 to 19 relate to the form of the first embodiment of the present invention, FIG. 1 is a perspective view of the appearance thereof, FIG. 2 is a longitudinal sectional view of the center, FIG. 3 is a bottom view, and FIG. FIG. 5 is a plan view, and FIG. 6 shows a tsunami shelter piece divided into 1 / 2N. FIG. 15 is a second example of a connecting cable, FIG. 16 is a third example of a connecting cable, FIG. 17 is a front view of a temporary evacuation space, FIG. 18 is a front view of a temporary evacuation space with a bench and lid open, and FIG. It is sectional drawing of an evacuation space.

As a first embodiment, in FIGS. 1 and 2, the tsunami shelter body 1 has a hemispherical evacuation chamber 2 in the upper part and a hemispherical buoyancy chamber 3 in the lower part, which is spherical. The tsunami shelter body 1 has a flow guard 4 on the outer periphery, and a flow guard 5 on the outer periphery of the flow guard 4, and the buoyant force of the buoyancy chamber 3 and the buoyancy of the flow guard 4 are combined. The evacuation chamber 2 is pushed up to the sea level while containing The outer bottom portion of the buoyancy chamber 3 and the foundation pile 11 integrated with the foundation ground 7 are connected by a connecting line 6.

The form of the connecting rope 6 in FIG. 1 shows a first embodiment of the connecting rope 6, which is a chain-like metal or chemical fiber material, and a plurality of large metal balls 31 are separated from the connecting rope 6. Provide.

Further, FIG. 15 shows a second embodiment in which an elastic material or a buffer mechanism 32 is provided in the middle of the connecting rope 6 and has the same effect as described above. The connection point may be at both ends.

Further, the connecting rope 6 in FIG. 16 shows a third embodiment, in which a continuous mass of iron and other metal chains are connected between the tsunami shelter body 1 and the foundation pile 11. It has the same function and has the same effect.

The above effect is that the tsunami shelter body 1 stretches the connecting rope 6 due to the rise of the tide level or the tsunami current, the weight of the metal sphere with a large mass to be drawn, or the stretched length of the elastic material or the buffer mechanism 35, or A series of chain | strands with which mass was drawn out acts as a force which pulls back the tsunami shelter main body 1 to the foundation ground 7. FIG. The expansion and contraction of the length between the tsunami shelter body 1 and the foundation ground 7 caused by changes in the tide level is known as a spring effect, which is a name of a phenomenon that occurs between a ship's anchor and chain and a ship moving up and down. This spring effect is effective in absorbing the tsunami impact force applied to the tsunami shelter body 1 and suppressing the swinging, and is effective for the comfort and safety of the person accommodated in the evacuation room or temporary evacuation space. It is.

As shown in FIG. 3, the attachment position of the connecting rope 6 at the lower part of the tsunami shelter 1 is on the extension line on the opposite side of the fixed rudder 9, and is preferably installed between the bottom 33 and the tip 34. This is because the tsunami flow focused by the landing leg 10 which will be described later efficiently hits the fixed rudder 9 and is effective in improving the needle-holding property (property of directing the moving object in a certain direction).

The tsunami shelter body 1 will not be submerged if the length of the connecting rope 6 is set to be equal to or higher than the tsunami tide level where the attack is expected.

In the outer periphery of the tsunami shelter body 1, people who have escaped to the evacuation room 2 can enter directly from the water of the tsunami that has been caught so that they are not taken away by the tsunami and can be protected from floating objects. A flow enclosure 4 made of elastic buoyancy material with a temporary evacuation space 13 was installed. The elastic buoyancy material is made of foamed rubber or styrene foam covered with a synthetic resin film or the like, and also acts as a buffer when the tsunami shelter body 1 collides with another structure and helps the tsunami shelter body 1 to float.

As shown in FIGS. 17 to 19, a flow-preventing fence 5 is installed on the outer periphery of the flow guard 4 so that the drifting object does not collide with the upper body of the evacuee 35 evacuated to the temporary evacuation space 13. Yes. As shown in FIG. 18, the refugee 35 in the temporary evacuation space 13 opens the bench / lid 14 on the top surface of the flow enclosure 4 and is located at the upper end of the flow enclosure 4 that is like a peripheral circuit. With the safety belt 25 attached, the body can be supported by the handrail 15 outside the evacuation room and lifted onto the flow enclosure 4. The bench / lid 14 in the flow detent 4 serves as a bench for a user who plays around the tsunami shelter body 1 on a daily basis.

The drift fence 5 installed on the outer periphery of the drift fence 4 is such that a person who has not entered the temporary evacuation space 13 will not be caught in the tsunami and swept away by grabbing the drift fence 5 anyway. In addition, it is installed for the purpose of preventing the wear of physical strength and buoyancy. It is intended to sequentially move to the temporary evacuation space 13 and further onto the flow enclosure 4 and further to the evacuation chamber 2. The flow guard 4 and the flow fence 5 are ideas that are not found in conventional facilities, and are effective in fulfilling the role of reaching out to the end of the rescue to as many people as possible despite being a small facility.

Further, although not shown, a floating ring 12 is provided for a nearby drifter who cannot grasp the flow-stopping fence 5. In this way, the tsunami shelter is a small but open tsunami evacuation facility.

The fixed rudder 9 is plate-shaped, and the material is not limited as long as the material can be joined to the tsunami shelter body 1. Installed at the bottom of the tsunami shelter body 1 to improve the tsunami flow of the tsunami shelter body 1 (the ability to direct moving objects in a certain direction), suppress swinging, and make the tsunami shelter body 1 safe Has the effect of improving the performance.

The landing leg 10 may be in the form of a pipe, but in order to contribute to the improvement of the above-described needle retention, it may be in the form of a plate with a water flow converging hole 19 in part. Any material can be used as long as it is easy to attach to the tsunami shelter body 1. There is an effect of stabilizing the landing posture of the tsunami shelter body 1 on the foundation ground 7 together with the fixed rudder 9. In addition, there is an effect of preventing the refugee 35 in the temporary evacuation space 13 at the time of landing from being sandwiched between the tsunami shelter body 1 and the foundation ground 7 and being injured.

The evacuation room 2 has an entrance 16 that is always open and is easy for people to enter and does not flow out.

Although not shown in the figure, a storage battery that is equipped with a broadcasting / lighting facility that is always in operation for crime prevention and that is compensated for even with natural energy is used as a backup power source.

A plurality of indoor handrails 151 (see FIG. 2) are attached to the inner wall of the evacuation chamber 2 so that the refugee 35 in the evacuation chamber 2 supports the body.

In the evacuation room 2 that is always open, a plurality of windows 24 are installed so that people inside and outside can see each other. A person who can observe the outside in the time of the disaster, and can rush to rescue the victim after the tsunami as the witness who knows the situation and changes in the field most closely and most closely Therefore, although not shown, the tsunami shelter body 1 is equipped with a bar useful for rescue of the victim.

In FIG. 6, the tsunami shelter body 1 is divided into 1/2 N pieces of metal spherical tsunami shelters, and each of them is cut into equal parts in the middle. 28 has the same shape. Following this, the tsunami shelter body 1 makes small pieces 28 of the same shape, attaches edges to the same small pieces of metal 28, and assembles each small piece 28 by connecting with bolts and nuts, or assembling into a spherical shape by welding. Since it is possible to assemble from a small number of parts and a large number of parts, the compatibility of the parts is high, and because the parts are highly compatible, the manufacturing cost is reduced and the partial repair can be easily performed. Effective for mass production of evacuation facilities through factory production.

The tsunami shelter body 1 according to the first embodiment of the present invention has been described as a sphere by combining the hemispherical evacuation chamber 2 and the hemispherical buoyancy chamber 3, but the rectangular or cylindrical tsunami shelter body 1 made of metal is An edge may be attached to a metal piece obtained by pressing or bending a metal plate, and it may be assembled by joining with a bolt and nut, or may be assembled by welding.

When manufacturing the tsunami shelter body 1 made of a synthetic resin having a spherical shape, a square shape, or a cylindrical shape, the evacuation chamber 2 portion is made of a wooden shape. FRP-processed synthetic resin shell is made on the wooden surface of the evacuation chamber 2 part and released. This is a female mold. A synthetic resin shell of FRP processing is made inside the female mold. If this is released, the evacuation chamber 2 part of the tsunami shelter made of synthetic resin can be formed. At this time, the edge is taken into consideration at a necessary place so that the subsequent work proceeds smoothly. Similarly, if a buoyancy chamber 3 part is made, welded together with the evacuation chamber 2 part, and combined, a tsunami shelter is formed.

The structure, material and shape of the outer shell of the concrete tsunami shelter body 1 to be integrally molded, and the position and mass of the opening and the parts to be attached are eccentric so as to be suitable for the centrifugal force molding method of manufacturing a known concrete fume tube. Should be assigned so as not to cause When the concrete spherical tsunami shelter body 1 of the present invention is manufactured by the centrifugal force molding method, the following procedure is performed. An outer frame (a hemispherical shape in FIG. 2 and a cylindrical shape in FIG. 8) is formed on the work table of the centrifugal force molding machine.

Next, a hemispherical or cylindrical wire net is placed on the above-mentioned formwork while holding a spacer (all spacers are placed between the wire mesh and the formwork). A divided inner frame for molding the inside of the lower part of the tsunami shelter body 1 is assembled inside the wire mesh. Further, as shown in FIG. 6, the divided inner frame forming the inner side of the upper part of the tsunami shelter body 1 is joined to the lower inner frame while leaving the inspection port 27 on the ceiling. (Since the divided inner formwork here is also divided into small pieces as shown in FIG. 6, it can be disassembled and put out from the inspection port 27 of the ceiling.) Subsequently, the hemispherical wire mesh is formed into the inner frame. And then join up and down. A hemispherical outer frame for molding the outer side of the upper part of the tsunami shelter body 1 is put on. A stretchable film balloon (situation like a balloon from which air has been removed) is inserted into the inner frame from the inspection opening 27 on the ceiling. After insertion, air is introduced to provide a rupture prevention mechanism for preventing the inner frame from being broken inward when it is subjected to centrifugal force molding. Next, concrete is poured from between the outer frame and the inner frame left around the ceiling inspection port 27, and the space between the inner frame and the outer frame is evenly filled using centrifugal force. Furthermore, after the concrete is fixed, the formwork is dismantled. The inspection port 27 is an opening that can be opened and closed.

As for the general shape of the tsunami shelter body 1 of the present invention, any shape may be used as long as it can move away from the foundation or installation base smoothly, float on the sea surface of the tsunami, and return smoothly to the ground or foundation. desirable. In other words, the spherical shape makes it possible to create the largest space with the smallest material, and there is no directionality biased to the resistance to the external destructive force, and the strength is increased.

In any construction method, if the tsunami shelter main body 1 is molded, the buoyancy chamber 3 shown in FIGS. 2 and 8 is foamed after the emergency supply room 17 and the evacuation chamber floor 23 to be taken in and out of the evacuation chamber 2 are attached. All are filled with the buoyancy body 18. (See FIG. 2). The same applies to the other embodiments.

The tsunami shelter installation base 8 is cylindrical, and when it is made of a concrete material, the tsunami shelter mounting base 8 is made by a centrifugal force molding method for forming a fume pipe, which is a conventional construction method, and the water injection holes 26 are allocated at the time of production so as to suit the centrifugal force molding method.

In the case of making the tsunami shelter installation base 8 in a square shape, a jig for placing the square tsunami shelter is made on the upper edge of the cylindrical tsunami shelter installation base 8 made by the above method and placed on the jig.

Although not shown, depending on conditions such as the installation location, the evacuation room 2 is moved in and out by the lifting equipment.

7 and 8, the buoyancy chamber 3 in the above-described first embodiment can be integrated with the tsunami shelter installation base 8 to simplify the structure. In this case, the connecting rope 6 is connected to and stored in the foundation pile 11 in the connecting rope storage chamber 21 prepared on the foundation ground 7.

As a third embodiment, in FIG. 9 and FIG. 10, the purpose is to be used as a safety measure for a house in a low (wet) area where floods frequently occur. The buoyancy board 20 is a buoyancy chamber in the above-described first embodiment. 2 is filled with a foam buoyancy body 18 to perform the same action as 2. The structure can be simplified by also serving as the flow confinement 4.

As a fourth embodiment, in FIGS. 11 and 12, the tsunami shelter main body 1 is intended to rise straight, and the buoyancy board 20 in the above-described third embodiment has the buoyancy chamber 3 integrated with the tsunami shelter installation base 8. It is possible to connect with the connecting rope 6 placed in the connecting pile storage tube 22 for both the basic pile and the individual can be installed in the premises of the house using the garage space or the like. In addition, if there is a vacant space, the existing house can be constructed later.

As a fifth embodiment, in FIG. 13 and FIG. 14, a wheelchair is used to ride on the height of the evacuation room floor 23 of the tsunami shelter body 1 of the present invention, and the ground before the tsunami shelter doorway 16 with a slope 29 so as to be easily accessible. Adjust the height. Since there are two entrances 16, the circulator 30 around the tsunami shelter body 1 improves the trafficability when evacuating to the tsunami shelter body 1. One person in a wheelchair can evacuate with confidence at any time. This is a feature of this evacuation facility with little vertical movement.

The procedure for installing and assembling the tsunami shelter will be described below using FIG. 1 as an example. After hitting the foundation pile 11 at the center position of the foundation ground on which the tsunami shelter body 1 is placed, the ground is leveled around the foundation pile 11. A metal fitting for attaching the connecting cable 6 is attached to the upper end of the foundation pile 11.

Next, by throwing away the concrete around the foundation pile 11 more than the outer diameter of the tsunami shelter body 1 and leveling it, it becomes a base for setting the tsunami shelter installation base 8 in the shape of FIG. It is also the installation base of the tsunami shelter body 1. Subsequently, after connecting one end (starting end) of the connecting rope 6 to the metal fitting on the upper side of the foundation pile 11, the heavy connecting rope 6 is placed along the position of the inner dimension of the tsunami shelter installation base 8. In this case, since there are about 8 m per round, it is possible to accommodate more than the expected tsunami height. Also, leave the end at the center.

Next, in the case of the example of FIG. 1, the tsunami shelter installation base 8 is placed on the foundation ground 7. Thereafter, one end (termination) of the connecting rope 6 is connected to a mounting bracket of the connecting rope 6 outside at the lower part of the buoyancy chamber 3 lifted by a crane, and the tsunami shelter body 1 is lowered and placed on the tsunami shelter installation base 8.

Here, the function of the present invention is divided into a horizontal evacuation effect and a vertical evacuation effect in the case of Okushiri Island of the Hokkaido Nansei-Oki Earthquake, which was hit by a tsunami with a wave height of 30 m 3 to 5 minutes after the occurrence of the earthquake in 1993. Consider. In this case, the five minutes that can be used for evacuation is the total of the evacuation time (HT) for horizontal movement and the evacuation time (VT) for vertical movement. Within 5 minutes, both healthy and wheelchair users will have to rush to the appropriate evacuation shelters above 30 meters above sea level and will be killed by the tsunami that rushes, and will lose their lives. Naturally, at this time, the evacuation facility is useless unless it is at least 30 meters above sea level.

If the evacuation time (VT) required for vertical movement can be reduced to zero hours and is always higher than the tsunami that the evacuation facility rushes, people who live within 5 minutes around the tsunami shelter should rush into and enter the tsunami shelter. Means that evacuation can be completed properly. In the present invention, the evacuation time (VT) for vertical movement is set to zero, and the installation height of the evacuation facilities is always higher than the tsunami tide level that has struck.

The usage of the present tsunami shelter will be described below. For horizontal evacuation, first, place the tsunami shelter body 1 in a familiar place where the victims can go within 5 minutes without guidance at night, and if possible the connecting rope 6 should have a radius A park with no obstacles is desirable. This is the concept of tsunami shelter installation standards and operation. If the local residents think that a tsunami will come, they will rush to the evacuation room 2 which can be reached by evacuation in a horizontal direction within 5 minutes. The 5 minutes holding time can be used for evacuation in the horizontal direction, which means that it has the effect of covering an area wider than the defense range of conventional evacuation facilities.

In the case of vertical evacuation, the tsunami shelter body 1 that has sufficient buoyancy even if the evacuee 35 gets over the capacity, floats on the sea surface (tsunami surface) when the tsunami strikes, and the disaster prevention supplies in the watertight buoyancy chamber 3 Since the space of the buoyancy chamber 3 other than the chamber 17 is filled with the foam buoyancy body 18, sufficient buoyancy is ensured. Therefore, even if the evacuation chamber 2 is submerged, it is automatically drained. If the tide level rises, the tsunami shelter body 1 floats on the sea surface (tsunami surface) according to the tide level while dragging the connecting rope 6 attached with sufficient margin from the expected tide level. The spring effect of the dragged heavy connecting cable 6 becomes a force that pulls the tsunami shelter body 1 back to the foundation ground 7, lowers the center of gravity of the tsunami shelter body 1, and also serves as a weight that suppresses rocking and floats stably. The tsunami tide level does not exceed the length of the connecting cable 6. As the water level decreases, the tsunami shelter body 1 returns to the foundation ground 7 or the tsunami shelter installation base 8. Even if it cannot return to the foundation ground 7 or the tsunami shelter installation base 8, the weight of the connecting rope 6 becomes a weight, and the tsunami shelter body 1 is turned upside down because of the low center of gravity, so that the evacuation room 2 can be evacuated. There is no such thing.

A plurality of entrances 16 are prepared, and the plurality of entrances 16 are not simultaneously closed as can be seen in FIG. The entrance / exit 16 is right next to the ground. These raising and lowering operations are repeated until the tsunami ends. Since the tsunami shelter of the present invention is used as described above, the person who has evacuated to this tsunami shelter has the same effect as evacuating to a higher evacuation facility at any time without using the vertical movement time (VT). It is done.

As described above, the present invention is a design philosophy that is not in the concept of constructing a conventional evacuation facility, in which the tsunami shelter body 1 is placed on the tsunami wavefront together with the evacuated residents to cope with the tsunami. If the tsunami shelter body 1 and the foundation ground 7 are connected by a connecting rope 6 that is longer than the tide level, it can be used for any tide level tsunami. Dividing the evacuation behavior into horizontal evacuation and vertical evacuation clarifies the problem, so that a wide range of people in the horizontal direction can use the evacuation facility for the time that the vertical evacuation is not necessary. There is no need to run up to the hill, and it has the same effect as evacuating to the hill. Invented on the basis of natural energy and simple in structure and operation, the maintenance cost is low, and the same evacuation measures function for 24 hours 365 days a year, without malfunction. In addition, many parts can be produced in the factory, high quality products can be produced in large quantities in a short time, installation work is only required for installation, the construction period is short, construction costs are low, construction is easy, and construction Since the cost can be reduced, many can be installed and it is possible to build an evacuation facility close to you.

When installed near the coast, it can be transported by sea to the vicinity of the site, reducing transportation costs. On roads, beaches, and beaches near the coast where tsunami is expected, the same as installing public telephones for highways If it is installed on roads, beaches, and beaches at appropriate intervals, it is effective as an evacuation site for car drivers and swimmers. In addition, if it is usually installed as a guard's office, a resting place for general customers, or a shower room at beaches, it will be useful for learning the facilities and maturing familiarity. Furthermore, if the design is unified, it becomes an effective and highly public social infrastructure that is easy to use and recognized everywhere in the world.

1 is an external perspective view of a tsunami shelter showing a first embodiment of the present invention. It is a center part longitudinal cross-sectional view of FIG. It is a bottom view of the tsunami shelter main body of FIG. It is a left view of the tsunami shelter main body of FIG. It is a top view of the tsunami shelter main body of FIG. It is a perspective view which shows the tsunami shelter small piece divided | segmented into 1 / 2N. It is an external appearance perspective view of the tsunami shelter which shows 2nd Example of this invention. It is a center part longitudinal cross-sectional view of FIG. It is an external appearance perspective view of the tsunami shelter which shows 3rd Example of this invention. FIG. 10 is a longitudinal sectional view of the center portion shown in FIG. 9. It is an external appearance perspective view of the tsunami shelter which shows 4th Example of this invention. It is a center part longitudinal cross-sectional view of FIG. It is an external appearance perspective view of the tsunami shelter which shows 5th Example of this invention. It is a center part longitudinal cross-sectional view of FIG. It is an external appearance perspective view of 2nd Example of a connection rope. It is an external appearance perspective view of 3rd Example of a connection rope. It is a front view of a temporary evacuation space. It is the front view which opened the bench and lid of temporary evacuation space. It is sectional drawing of a temporary evacuation space.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tsunami shelter body 2 Evacuation room 3 Buoyancy room 4 Flow fence 5 Flow fence 6 Connection rope 7 Foundation ground 8 Tsunami shelter installation stand 9 Fixed rudder 10 Landing leg 11 Pile 12 Floating wheel 13 Temporary evacuation space 14 Bench / lid 15 Handrail 151 outside evacuation room Indoor handrail 16 Entrance / exit 17 Emergency supplies 18 Foam buoyant body 19 Water converging hole 20 Buoyancy board 21 Linking rope storage room 22 Foundation pile combined cable rope storage cylinder 23 Evacuation room floor 24 Window 25 Safety belt 26 Water injection hole 27 Inspection Port 28 Small Tsunami Shelter Pieces Divided into 1 / 2N 29 Slope 30 Circumferential Circuit 31 Massive Metal Ball 32 Elastic Material or Buffer Mechanism 33 Bottom Bottom 34 Tip 35 Evacuees

Claims (8)

A tsunami shelter body with an evacuation chamber at the top and a buoyancy chamber at the bottom, a flow enclosure attached to the outer periphery of the tsunami shelter body, a flow fence attached to the outer periphery of the flow enclosure, and a tsunami shelter A tsunami shelter characterized in that it is composed of a connecting cable with one end fixed to the main body and the other end fixed to the foundation ground. The tsunami shelter according to claim 1, wherein the tsunami shelter is installed on a tsunami shelter installation base provided on a foundation ground. The tsunami shelter according to claim 1 or 2, wherein the connecting rope is a metal, a chemical fiber material, or an elastic material. The tsunami according to any one of claims 1 to 3, wherein the tsunami shelter body is a composite material of a metal material, a concrete material, or a synthetic resin material, and has a spherical shape, a square shape, a cylindrical shape, or the like. shelter. The tsunami shelter according to any one of claims 1 to 4, wherein the tsunami shelter installation base is a composite material of a concrete material or a metal material, and has a shape combining a square shape or a cylindrical shape. The tsunami shelter according to any one of claims 1 to 5, wherein the tsunami shelter is composed of a fixed rudder and a landing leg installed at a lower portion of the tsunami shelter body. The tsunami shelter according to claim 1, wherein the tsunami shelter is constituted by a safety belt attached to an evacuation chamber outer periphery handrail. 8. The tsunami shelter according to claim 1, wherein the flow enclosure is made of a buoyancy material.

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