JP2014009466A - Small-arbor-type tsunami shelter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tsunami shelter capable of achieving rapid evacuation, protecting people from a tsunami, and being used in a new mode at ordinary time.SOLUTION: A small-arbor-type tsunami shelter 1 accommodates people in an internal space, protects the people from a tsunami, and has a lower part 11 embedded in a subgrade 100. The tsunami shelter 1 includes: a column 10 with an upper part 12 vertically extending from the subgrade 100; and an isolation wall 20 downward opened, forming the internal space, vertically movable, and engaging with the column 10. In the isolation wall 20, its horizontal sectional shape is circularly formed, and when the isolation wall is moved downward along the column 10 and arranged at the lowermost part, its lower end comes into contact with the subgrade 100.

Description

  The present invention relates to an Azumaya-type tsunami shelter, and more particularly, to an Azumaya-type tsunami shelter that protects the person from the tsunami by accommodating a person in the internal space.

  In recent years, due to a major earthquake, coastal areas have been severely damaged by tsunamis. The tsunami may reach the coast in a short time after the earthquake, and in this case, it is assumed that evacuation to a safe hill is not in time.

Therefore, in the tsunami shelter constituted by an airtight wall that is fixed on the ground and surrounds a certain space, and on the airtight wall, an opening through which a person can go in and out of the space surrounded by the airtight wall is provided. There has been proposed a tsunami shelter characterized in that an air chamber is provided in the space in which air is maintained even if the tsunami floods the interior (see, for example, Patent Document 1).
According to the tsunami shelter of Patent Document 1, for example, a tsunami shelter is installed near the house, and if a large earthquake occurs, it immediately enters the space of the tsunami shelter, and the air necessary for breathing in the time until the tsunami pulls is ensured. Can be secured.

JP-A-10-159388

In coastal areas where tsunamis may occur, tsunami shelters that protect people from tsunamis are absolutely necessary.
However, there are areas where the frequency of tsunami is once every several years, decades or even hundreds of years. In such areas, tsunami shelters will only be used once every few years, decades or even hundreds of years.

  An object of the present invention is to provide a tsunami shelter that can be evacuated quickly, can protect people from a tsunami, and can be used in a new manner during normal times.

  (1) Azumaya-type tsunami shelter that protects the person from the tsunami in the internal space, the lower part being embedded in the ground, the upper part extending vertically from the ground, and the lower part being opened, An isolation wall that engages with the support column to form a space and is movable up and down, and the isolation wall is formed in an annular shape in a horizontal cross section, and moves downward along the support column at the bottom. Azumaya-style tsunami shelter whose bottom edge touches the ground when placed.

According to the invention of (1), in the Azumaya-type tsunami shelter that protects the person from the tsunami in which the person is accommodated in the internal space,
The lower part of the column is buried in the ground, the upper part extends vertically from the ground,
The isolation wall is open at the bottom, forms an internal space, and engages with the support column so as to be movable up and down.
And the horizontal cross-sectional shape is formed in cyclic | annular form, and when a separation wall moves below along a support | pillar and is arrange | positioned at the lowest part, a lower end touches a ground.

As a result, when a tsunami strikes, people evacuate to the interior space of the isolation wall, move the isolation wall downward, place it at the bottom and ground it to the ground, so that the isolation wall is fixed to the ground by the pillar, and the seawater Can prevent a large amount of water from flowing into the isolation wall and surpass the tsunami. Therefore, it is possible to evacuate quickly and protect people from the tsunami.
In addition, since the horizontal cross-sectional shape of the isolation wall is formed in an annular shape, the resistance of the seawater pushed by the tsunami can flow smoothly, so that the force received by the isolation wall from the seawater can be reduced.

Further, during normal times, the isolation wall can be moved upward and disposed at a position away from the ground, so that the isolation wall can be used as a roof that blocks sunlight and rain. Therefore, since the tsunami shelter can be used as an object similar to a eastern store or a tent, for example, the space under the isolation wall can be used as a resting place or a stall.
Therefore, it is possible to provide a tsunami shelter that can be evacuated quickly, can protect people from tsunamis, and can be used in a new manner during normal times.

  (2) A stage laid on the ground surface is further provided, and the shape of the side edge of the stage is substantially the same as the shape of the inner side surface at the lower end of the isolation wall, The Azumaya-type tsunami shelter as set forth in (1), wherein the inner side surface of the lower end engages with the side edge of the stage when placed on the stage.

  According to the invention of (2), when the inner side surface of the lower end of the isolation wall is engaged with the side edge of the stage, it is possible to more effectively suppress the inflow of water from the lower end of the isolation wall when a tsunami strikes. be able to.

  (3) A tsunami-type tsunami according to (1) or (2), further comprising a floor plate that vertically partitions the internal space of the isolation wall, wherein the floor plate is formed with an opening through which a person can be inserted. shelter.

  According to the invention of (3), a person who has evacuated to the inside of the Azumaya-type tsunami shelter will not get wet even if water enters from the lower end of the isolation wall by going up from the opening onto the floor board. . Moreover, even if water flows into the lower part of the internal space, the upper air can be prevented from flowing out of the isolation wall by partitioning the internal space of the isolation wall up and down by the floor board.

(4) In the vicinity of the inner side surface of the isolation wall, it is formed along the inner side surface of the isolation wall, and stands upward from the ground side, and its height dimension is longer than the movable distance of the isolation wall, and the isolation wall An inner wall formed with a dimension shorter than the height of
The azuma-ya tsunami shelter according to (1) or (2), wherein the inner wall is provided with an opening through which a person can enter and exit, and the opening is provided with a door that can be opened and closed.

  According to the invention of (4), even in the state where the isolation wall is arranged above, it can be surrounded by the inner wall and form a space that allows entry and exit, so that it can be used as a store where goods and valuables are stored during normal times, for example. Tsunami shelter can be used. For example, when there is no owner inside the Azumaya tsunami shelter, the door can be locked to prevent third parties from entering, so the Azumaya tsunami shelter can be used as a warehouse or safe.

  According to the present invention, it is possible to provide a tsunami shelter that can be evacuated quickly, can protect people from tsunamis, and can be used in a new manner during normal times.

It is a perspective view of the Azumaya type tsunami shelter which concerns on 1st Embodiment of this invention. It is sectional drawing of the state in which the isolation wall was arrange | positioned upwards in the said 1st Embodiment. In the Azumaya-type tsunami shelter according to the first embodiment, it is a cross-sectional view in a state where an isolation wall is disposed at the lowermost part. It is a perspective view of the Azumaya type tsunami shelter which concerns on 2nd Embodiment of this invention. It is sectional drawing in the state where the isolation wall was arrange | positioned upwards in the Azumaya-type tsunami shelter which concerns on the said 2nd Embodiment. It is sectional drawing of the state by which the isolation wall was arrange | positioned in the lowest part in the tsunami-ya tsunami shelter in the said 2nd Embodiment. It is sectional drawing of the state in which the isolation wall was arrange | positioned in the lowest part in the Azumaya-type tsunami shelter which concerns on the application example of the said 1st Embodiment.

Hereinafter, embodiments of the present invention will be described. Hereinafter, in the description of the embodiments, the same components are denoted by the same reference numerals, and the description thereof is omitted or simplified.
The structure of the Azumaya tsunami shelter 1 according to the first embodiment of the present invention will be described.
FIG. 1 is a perspective view of an Azumaya tsunami shelter 1 according to the first embodiment of the present invention.
The Azumaya-style tsunami shelter 1 protects the person from the tsunami by accommodating the person in the internal space.
The Azumaya tsunami shelter 1 includes a support column 10 extending vertically upward from the ground 100, an isolation wall 20 supported by the support column 10, and a stage 30 laid on the ground surface.

FIG. 2 is a cross-sectional view showing a state where the isolation wall 20 is arranged on the upper side in the tsunami-ya tsunami shelter 1 in the first embodiment.
The support column 10 includes a lower part 11 embedded in the ground, and an upper part 12 connected to the upper end of the lower part 11 via a joint 13 and extending vertically.

The lower portion 11 includes a core 111 that extends downward at the center, and a blade 112 that protrudes in the horizontal direction on the outer periphery of the core 111 and is formed in a spiral shape downward. As a result, when the lower portion 11 is embedded in the ground 100, the blade 112 moves downward while cutting the soil by being rotationally press-fitted, and after being embedded, the blade 112 bites into the soil, and the support column 10 moves upward. It becomes resistance when the force to be pulled out is applied.
In addition, the lower part 11 may use not only the aspect of this embodiment but the concrete pile and steel pipe pile which are inserted in the hole excavated previously, for example.

The upper portion 12 is formed of a cylindrical body, and a thread is formed on the inner wall.
The joint 13 has a lower member fixed to the tip of the lower portion 11, an upper member formed in a cylindrical body, and a screw thread that engages with a screw thread of the upper portion 12 on the outer periphery. The lower member of the joint 13 and the tip of the lower part 11 are fixed by welding, bolts or the like.
The lower part 11 and the upper part 12 only need to be finally integrated. For example, first, the lower part 11 is embedded in the ground 100, and then the upper part 12 is vertically arranged, and then the upper end of the lower part 11 is placed. Alternatively, it may be fixed directly to the lower end of the upper portion 12 by welding or bolts.

  A stopper 14 is provided at the tip of the upper portion 12 to prevent the isolation wall 20 from being detached from the column 10. The stopper 14 is formed in a donut shape, and a central portion 21 of an isolation wall 20 (described later) is inserted through a central hole, and is fixed to the tip of the upper portion 12 by welding, bolts, or the like.

  The isolation wall 20 includes a central portion 21 that is screwed with a thread of the upper portion 12 of the support column 10, a cover 22 that is fixed at the center of the center portion 21, and a floor plate 23 that is provided inside the cover 22. .

  The center portion 21 is disposed at the center of the isolation wall 20 and is formed in a bolt shape, and a screw thread that is screwed with the screw thread of the upper portion 12 is formed on the outer periphery of the bolt-shaped neck portion.

  The cover 22 is fixed to the head of the center portion 21 and has a horizontal cross-sectional shape that is annular. Specifically, in this embodiment, the cover 22 is formed in a hemispherical shape having an open bottom and a hollow inside. However, the present invention is not limited to this. Alternatively, the shape may be a shape in which the upper part of the conical body is cut and a lid is formed in an eight-shaped vertical section (for example, a bell shape). Further, the cover 22 can be formed of any material such as a fiber reinforced plastic or a steel plate having a predetermined waterproof performance and strength according to design conditions such as size, required strength, and weight reduction. Note that the cover 22 may be fixed to the central portion 21 via a framework.

  The floor plate 23 is formed in substantially the same shape as the shape surrounded by the inner side surface of the horizontal cross section of the cover 22. That is, the floor plate 23 partitions the internal space of the isolation wall 20 up and down. In addition, you may fix the floor board 23 to the center part 21 via a framework.

  The floor plate 23 is formed with an opening 231 through which a person 200 can be inserted. In addition, in this embodiment, although the one opening part 231 is formed in the floor board 23, it can provide not only one but multiple places.

With the above configuration, the isolation wall 20 can be moved up and down along the support column 10 by rotating the cover 22 and the floor plate 23 fixed to the central portion 21 in a predetermined direction.
In the present embodiment, the isolation wall 20 is moved up and down by screwing with the support column 10. However, the present invention is not limited to this, and for example, the isolation wall 20 is fixed to the support column 10 at a predetermined height. If the tsunami hits and the person 200 evacuates inside the isolation wall 20, remove this stopper, drop the isolation wall 20 by gravity, and then fix the isolation wall 20 to the column 10 again by the stopper. May be. Further, a power mechanism that rotates the isolation wall 20 around the support column 10 may be provided. Further, for example, the isolation wall 20 may be moved up and down along the support column 10 by a hydraulic jack or the like without providing a screw thread or the like.

  The stage 30 has a side edge shape that is substantially the same shape as the shape of the inner side surface at the lower end of the cover 22 of the isolation wall 20. In the stage 30, when the isolation wall 20 is disposed at the lowermost part, the inner side surface of the lower end of the cover 22 is engaged with the side edge. Further, the stage 30 is formed by placing concrete in a state where the support column 10 is provided. Thereby, the stage 30 is integrally formed with the support | pillar 10, and functions as a weight which prevents the Azumaya-type tsunami shelter 1 from floating in water.

Next, the operation of the Azumaya tsunami shelter 1 according to the first embodiment of the present invention will be described.
FIG. 3 is a cross-sectional view of the Azumaya-type tsunami shelter 1 according to the first embodiment in a state where the isolation wall 20 is disposed at the lowermost part.
As shown in FIG. 2, the Azumaya tsunami shelter 1 has an isolation wall 20 disposed on the upper side during normal times.
Then, when there is a risk of the tsunami coming in, the person 200 enters the lower part of the isolation wall 20, for example, pulls a rope or a chain attached to the isolation wall 20 and rotates the isolation wall 20 to move downward. Let Then, when the isolation wall 20 is lowered to the vicinity of the head of the person 200, the person 200 enters the lower portion of the opening 231, grasps the edge of the opening 231, rotates the isolation wall 20, and arranges it at the bottom. As shown in FIG. In addition, by providing a plurality of openings 231, a plurality of persons can bear the force of rotating the isolation wall 20 by holding the edges of the plurality of openings 231 and rotating the isolation wall 20. The burden on people can be reduced.

Next, the Azumaya tsunami shelter 1A according to the second embodiment of the present invention will be described.
The Azumaya-type tsunami shelter 1A according to the second embodiment is the same as the Azumaya-type tsunami shelter 1 according to the first embodiment in that the form of the support column, the shape of the isolation wall, and the inner wall standing up from the ground side are provided. Different.

FIG. 4 is a perspective view of an Azumaya-type tsunami shelter 1A according to the second embodiment of the present invention.
Azumaya-type tsunami shelter 1 </ b> A includes a support 10 </ b> A, an isolation wall 40 supported by the support 10 </ b> A, a stage 30 laid on the ground surface, and an inner wall 50 standing upward from the edge of the stage 30.

  FIG. 5 is a cross-sectional view of the Azumaya-type tsunami shelter 1A according to the second embodiment in a state where the isolation wall 40 is disposed above.

The support 10 </ b> A includes a lower part 11 embedded in the ground and an upper part 12 </ b> A extending vertically from the upper end of the lower part 11.
The upper portion 12A is formed integrally with the lower portion 11 into a cylindrical body, and a thread is formed on the outer periphery.
Note that the lower portion 11 and the upper portion 12A need only be finally integrated. For example, first, the lower portion 11 is embedded in the ground 100, and then the upper portion 12 is vertically arranged, and the upper end of the lower portion 11 is then placed. Alternatively, the lower end of the upper portion 12 may be fixed by welding, bolts, or the like.

  The isolation wall 40 includes a central portion 41 that is screwed with a screw thread of the upper portion 12 </ b> A of the support 10 </ b> A, and a cover 42 that is fixed near the tip of the central portion 41.

  The central portion 41 is disposed at the center of the isolation wall 40 and is formed of a cylindrical body. The main body 411 is formed with a thread that engages with the thread of the upper portion 12A on the inner wall, and is screwed to the upper end of the main body 411. And a lid portion 412 that clamps and fixes the central portion of the cover 42.

  The cover 42 includes a ceiling portion 421 formed in a circular shape when viewed from above, and a side wall portion 422 formed in a cylindrical shape extending downward from a side edge of the ceiling portion 421. The material of the cover 42 is the same as that of the cover 22.

The inner wall 50 is formed along the inner side surface of the side wall part 422 in the vicinity of the inner side surface of the side wall part 422 of the cover 42 in the isolation wall 40, and its height dimension is longer than the movable distance of the isolation wall 40, It is formed with a dimension shorter than 40 height.
The inner wall 50 is provided with the same structure as the outer wall of a general building. For example, the inner wall 50 can be a structure in which a lightweight concrete panel or a lightweight cellular concrete panel is attached to a shaft assembly made of steel or wood, or a reinforced concrete structure.

  Further, the inner wall 50 is provided with an opening 51 through which a person 200 can enter and exit, and a door 52 that can be opened and closed is provided in the opening 51. As the door 52, a door of a general building such as a double door or a double door can be used.

Next, the operation of the Azumaya tsunami shelter 1A according to the second embodiment of the present invention will be described.
FIG. 6 is a cross-sectional view showing a state where the isolation wall 40 is disposed at the lowermost portion in the tsunami-ya tsunami shelter 1A according to the second embodiment.
As shown in FIG. 5, the Azumaya-type tsunami shelter 1 </ b> A has an isolation wall 40 disposed on the upper side during normal times.
Then, when there is a possibility that a tsunami may strike, the person 200 enters the inside of the inner wall 50, for example, pulls a rope or a chain attached to the ceiling portion 421 of the isolation wall 40 and rotates the isolation wall 40. It is moved downward and placed at the bottom as shown in FIG.

Next, an Azumaya-type tsunami shelter 1B according to an application example of the first embodiment of the present invention will be described.
The Azumaya-type tsunami shelter 1B according to the application example is configured such that the size of each component of the Azumaya-type tsunami shelter 1 according to the first embodiment is increased to accommodate more people than the Azumaya-type tsunami shelter 1.

FIG. 7 is a cross-sectional view of the Azumaya-type tsunami shelter 1B according to the application example of the first embodiment in a state where the isolation wall 20 is disposed at the lowermost part.
In the Azumaya-type tsunami shelter 1B, the lower part 11 of the column 10 is formed longer than the Azumaya-type tsunami shelter 1 of the first embodiment, and is buried deeper in the ground.
Further, in the Azumaya tsunami shelter 1B, the floor plate 23 is provided in a plurality of stages in the height direction.
Further, below the opening 231 of the floor plate 23, a ladder 232 for allowing the person 200 to climb the upper floor plate 23 is provided.
As a result, many people gather. For example, by installing the Azumaya tsunami shelter 1B at an event venue, the Azumaya tsunami shelter 1B functions as a large-scale tent during normal times. Many people can be protected from the tsunami.

According to the said embodiment, there exist the following effects.
According to the Azumaya-style tsunami shelters 1, 1A and 1B, a person is accommodated in the internal space, and the person is protected from the tsunami.
The column 10 has a lower part 11 embedded in the ground 100, an upper part 12 extending vertically from the ground 100, and the isolation walls 20, 40 are open at the lower side to form an internal space, and vertically with the column 10 in the top view center. Engage in a movable manner.
And the isolation walls 20 and 40 are formed in an annular shape in the horizontal cross section, and move downward along the support column 10 and are arranged at the lowermost portion, so that the lower end contacts the ground 100.

As a result, when a tsunami strikes, a person is evacuated to the internal space of the isolation walls 20 and 40, and the isolation walls 20 and 40 are moved downward and placed at the bottom to be grounded to the ground 100, thereby being isolated by the column 10. The walls 20 and 40 are fixed to the ground 100, and seawater can be prevented from flowing in a large amount into the isolation walls 20 and 40, thereby surpassing the tsunami. Therefore, it is possible to evacuate quickly and protect people from the tsunami.
In addition, since the horizontal cross-sectional shapes of the isolation walls 20 and 40 are formed in an annular shape, the resistance of seawater pushed by the tsunami can flow smoothly, so that the force received by the isolation walls from the seawater can be reduced.

Further, during normal times, the separating walls 20 and 40 are moved upward and arranged at a position away from the ground 100, so that the separating walls 20 and 40 can be used as a roof that blocks sunlight and rain. Therefore, since the Azumaya-type tsunami shelters 1, 1A and 1B can be used as objects corresponding to the eastern store and tent, for example, the space under the isolation walls 20 and 40 can be used as a resting place or a stall.
Therefore, it is possible to provide a tsunami shelter that can be evacuated quickly, can protect people from tsunamis, and can be used in a new manner during normal times.

  Further, according to the Azumaya-type tsunami shelters 1, 1A and 1B, when the inner side surface of the lower end of the isolation walls 20 and 40 engages with the side edge of the stage 30, the lower end of the isolation walls 20 and 40 is reached. It is possible to more effectively suppress water from flowing in.

  Further, according to the Azumaya-type tsunami shelters 1 and 1B, a person who has evacuated to the inside of the Azumaya-type tsunami shelters 1 and 1B goes up from the opening 231 onto the floor plate 23, so that the water from the lower end of the isolation wall 20 temporarily. Even if it invades, it will not get wet. Moreover, even if water flows into the lower part of the internal space, the upper air can be prevented from flowing out of the isolation wall by partitioning the internal space of the isolation wall 20 up and down by the floor plate 23.

  Further, according to the Azumaya-type tsunami shelter 1A, even when the isolation wall 40 is disposed above, it can be surrounded by the inner wall 50 to form an accessible space, so that, for example, goods and valuables are stored during normal times. Azumaya tsunami shelter 1A can be used as a store. Also, for example, if there is no owner inside the Azumaya tsunami shelter 1A, the door can be locked to prevent third parties from entering, so the Azumaya tsunami shelter 1A can be used as a warehouse or safe. it can.

  It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. within a scope that can achieve the object of the present invention are included in the present invention.

1, 1A, 1B Azumaya-style tsunami shelter 10 Post 11 Lower 12 Upper 20, 40 Isolation wall 100 Ground

Claims (4)

An Azumaya-style tsunami shelter that protects the person from the tsunami and contains people
The lower part is buried in the ground, and the upper part extends vertically from the ground,
An isolation wall that is open at the bottom, forms the internal space, and engages with the support column so as to be movable up and down;
The isolation wall is a tsunami-type tsunami shelter whose lower end is in contact with the ground when the horizontal cross-sectional shape is formed in an annular shape and moves downward along the column and is arranged at the bottom. In addition, a stage laid on the ground surface
The shape of the side edge of the stage is formed in substantially the same shape as the shape of the inner side surface at the lower end of the isolation wall,
2. The azuma-ya tsunami shelter according to claim 1, wherein an inner side surface of a lower end engages with a side edge of the stage when the isolation wall is disposed at a lowermost part. Further comprising a floor plate for vertically dividing the internal space of the isolation wall;
The azuma-ya tsunami shelter according to claim 1 or 2, wherein an opening through which a person can pass is formed in the floor board. Near the inner side surface of the isolation wall, it is formed along the inner side surface of the isolation wall, and stands upward from the ground side. Its height dimension is longer than the movable distance of the isolation wall and is higher than the height of the isolation wall. And further comprising an inner wall formed with a short dimension,
The azuma-ya tsunami shelter according to claim 1, wherein the inner wall is provided with an opening through which a person can enter and exit, and the opening is provided with a door that can be opened and closed.

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