JP2012225032A - Tsunami countermeasure floating body building and constructing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tsunami countermeasure floating body building which is not flooded even in the case of tsunamis or high tide water caused by a typhoon, and a constructing method thereof.SOLUTION: There is provided a floating body building 10 constructed by: employing constitution such that a base 4 is constructed in a seaside area where high tide water damage is apt to occur and a barge type platform type floating body 1 is merely placed thereupon; projecting an anchor pole 2 perpendicularly downward from a bottom part of the barge type platform type floating body 1; providing a connection member 3 into which the anchor pole 2 is inserted on a base surface; placing the floating body 1 on the base 4 while the anchor pole 2 is inserted into a pole hole; and making the floating body 1 float perpendicularly above in the case of high tide flooding without being washed away with running water through anchor operation by the anchor pole 2 and pole hole. A maintenance passage 6 into which a jack lift 8 is inserted is formed in the base 4, and the jack lift 8 is synchronously lifted in the maintenance passage 6 to perform a surface treatment on the bottom of the floating body 1.

Description

  The present invention relates to a tsunami-capable floating building that protects human lives and valuable assets from floods such as a large tsunami caused by a large earthquake, a typhoon storm surge, or a flood due to concentrated heavy rain, and a method for constructing the same.

December 26, 2004 A major undersea earthquake off the coast of Malaysia caused a major flood in the coastal areas of coastal countries in the Indian Ocean, resulting in delayed transmission of information. The dead came out.
There were no evacuation facilities for tsunami damage in the traditional coastal areas, and there was no other way than evacuating to the upper floors of mounds and high-rise buildings.
A massive earthquake and tsunami that reached magnitude 9 on March 11, 2011 occurred in the Sanriku coastal area, and compared to tsunamis that occurred in Japan in recent years, there was an extremely large catastrophe that was not comparable. Hit directly.
The quickest way to escape to a small mountain or high-rise building is a way to stop damage.
However, there are many rural areas where there are many plains where there are no mountains and high-rise buildings, and there are many coastal areas where it is difficult to evacuate quickly because the time is far away.
Along with the construction of information transmission and communication means for tsunami generation, it is extremely important to develop equipment and facilities as a means to evacuate when encountering a tsunami.
In addition, the typhoon storm surge that hits several times a year and the damage caused by river flooding due to torrential rains, people living in the lowland have suffered enormous damage every year due to storm surge inundation and flooding.

In Japan, after the Great East Japan Disaster, there is a high possibility of the occurrence of the Nankai Earthquake and Tonankai Earthquake, so a tower-type shelter with a steel structure of more than 10 meters has been proposed.
However, there is a question as to whether a large number of men and women of all ages can climb a refuge at a height of more than a dozen meters using stairs within a short time. Since there is no guarantee that the height is within a few dozen meters, it has not yet reached the stage of popularization.

An object of the present invention is to provide a tsunami-capable floating building that can escape difficulty just by entering an evacuated building installed on a flat ground without climbing a height of dozens of meters during evacuation.
Further, the frequency of use of the building against the tsunami of the present invention is extremely close to zero, and it is extremely rare to use it as a tsunami evacuation building, so it is an object to provide a floating building that can be used for multiple purposes other than for evacuation. To do.

Another object of the present invention is to provide a tsunami-supporting floating building that can support lifesaving in any high water level tsunami of more than a dozen meters or more, for example, a hundred meters or more.
Furthermore, it is an object of the present invention to provide general buildings and residential houses that are free from the risk of flooding inundation due to storm surges and river flooding floods that frequently hit tsunamis.
Furthermore, the present invention has a place where it takes several minutes or more by car to run to a small hill with no buildings of three or more floors in the countryside, especially in a countryside without hills and mountains.
In these areas, the current situation is that there is no way for the government and local counselors to specify and decide the evacuation site, but the present invention is a tsunami-ready floating structure that can support lifesaving in these areas. The issue is to provide goods.

Constructed so that people can live on a floating body in a floating structure with a floating structure that prevents inundation of the building against storm surges such as tsunami, typhoon and river flooding, and the following conditions 1 to 5 were met A tsunami-ready floating building characterized by
1. A floating body with a hull bow whose vertical cross-sectional area gradually decreases toward the tip is placed on the concrete foundation in the direction of the tsunami storm surge.
2. An anchor pole that is integrally provided with the floating body and protrudes vertically downward from the bottom of the floating body, and a base in which a connecting member that supports the air weight of the floating body and into which the anchor pole is inserted is perforated.
3. A base (5) is formed on the upper surface of the foundation, a floating body is placed on the base, and an anchor pole is connected to the connecting member.
4. A plurality of maintenance passages (6) into which jack lifts (8) can be inserted are formed adjacent to the pedestal (5).
5. The floating body floats up when it is in a flooded state, but the anchor pole and the connecting member are fixed in contact with each other to prevent the floating body from flowing due to running water.

Next, in the tsunami-supporting floating building, three or more jack lifts (8) are inserted into the maintenance passage (6), and the jack lifts are moved up and down synchronously to perform surface treatment work on the bottom of the floating body. It is the construction method of the tsunami-adaptive floating building.
It is equipped with an evacuation floating body that protects human lives and movable property against floods such as tsunamis, typhoons, and river floods, and is constructed so that evacuees evacuate on the floating body based on the flood information.
In addition, in response to frequent flooding caused by typhoons and storm surges, river floods, etc., we will provide safe general buildings that do not flood and tsunami-ready floating buildings that provide residential housing spaces.

In the present invention, a solid foundation is constructed with concrete at a necessary construction place, and a building which is a floating body of a trolley structure is simply placed thereon.
The floating body is provided with an anchor pole protruding from the bottom of the floating body, and the base is provided with a connecting member (3) having an anchor hole drilled in the upper surface so that the anchor pole is inserted.
The connecting member may not be a hole-like shape into which the tip end portion of the anchor pole is inserted, but may be a rod-like shape inserted into the pipe if the anchor pole is a pipe shape.
If a high water level such as a tsunami, typhoon storm surge, or flooding of a river bank due to torrential rain occurs and the water level becomes higher than the floating waterline, the floating body will receive buoyancy in the direction of rising.
The floating body rises as the water level rises, but the anchor pole protruding downward from the floating body and the side wall of the connecting member of the foundation are fixed in contact with each other. To surface.

The tsunami often causes the first wave to rise, the water level to rise, then suddenly becomes a tidal current, and the destroyed parts of the land are removed to the sea, and then the second and third storm surges often arrive.
If the height of the storm surge is within the length of the anchor pole, the floating body will only move up and down with the water level without being swept away, and if the water level falls, the floating body will be placed in its original position again.
When the water level further rises and the floating body rises and the lower end portion of the anchor pole comes out of the connecting member, the anchor device composed of the anchor pole and the connecting member does not perform the anchoring action, and the floating body is in a state where it is washed away by tidal current or flood water.

The floating body becomes free when the anchor pole is suspended, and it is tossed while flowing, but it does not sink and sinks, and there is a high possibility that the life on the floating body will be saved.
Further, the tsunami-capable floating building of the present invention is a land building, and there is a fate that a large floating body must be built by local construction in an urban area where large facilities such as shipyards cannot be used.
For this reason, it was necessary to develop special construction means to build huge floating bodies and buildings with small equipment that can be easily moved.
The present invention has developed a construction method in which a surface treatment is performed from the outside of the bottom of a floating body by inserting three or more jack lifts in synchronism with a movable small jack lift provided in a maintenance passage.

The recently proposed tsunami evacuation device is a steel-structured tower with a height of several tens of meters, and is provided with an evacuation platform with handrails of about 10 meters square on the top and an elevating stairs.
It is extremely difficult and time-consuming for a large number of people, more than 100 people, to go up the stairs of a few dozen meters promptly after receiving tsunami information.
According to the tsunami-capable floating building of the present invention, the hull that floats on the surface of the water receives a buoyancy equal to the weight of the water below the waterline at the bottom of the hull, according to Archimedes's theorem.
(It is a building constructed on land, but when it is inundated, it becomes a ship that floats on the water, and vessel terms such as deck are also used below for easy understanding.)

The pontoon type floating body used for tsunami-capable floating buildings has a structural bottom that is almost the same as the deck, and is filled with a flat hull structure with a shallow draft and extremely low height to obtain the required buoyancy. .
Therefore, the height of the floating body is extremely low when evacuating on the floating body, and an elevating passage can be arranged on the front and rear side surfaces of the floating body, and a large number of people can board at the same time when going up and down the stairs.
Further, in the present invention, the foundation is a container structure having a side wall and a bottom surface, and a structure in which a container-like foundation is buried below the ground and the height of the bottom surface is lowered below the ground places a floating body on the bottom surface. And the height of the floating deck can be set to the same level as the ground GL and can be set freely, so there is no need to climb to a high place by stairs.
Therefore, a large number of personnel can be evacuated in a short time compared to the tower-type refuge described above.

Furthermore, the frequency of use of this evacuation floating body is only once every several decades or hundreds of years. For this purpose, not only for evacuation of tsunamis and typhoons, but also for non-evacuation at all times. It is desirable to be a multipurpose facility that can make effective use of land and facilities.
In other words, even if the pontoon floating body is installed and occupies a certain area of land, the pontoon floating body will be dedicated to the plane area of the container-type foundation that enters below the ground and into which the pontoon floating body enters.
In addition, a passage from the deck to the inside of the hull can be provided to effectively use the volume below the deck as a basement.
It is possible to provide housing that can be equipped with most of the buildings, such as meeting halls, hotels, restaurants, kindergartens, schools, residential houses, etc.

When used for tsunami evacuation, the floating part, that is, the bow part of the hull, is installed in the direction of the tsunami, and the bow part is constructed in a streamline shape with a gradually decreasing vertical cross-sectional area, so the wave is good In response to a high-speed flow such as a tsunami, the bow rises upward.
Even if the sea level rises suddenly and a tidal current is generated at a high flow rate from the sea to the land, the floating body is fixed by the connecting member drilled in the foundation made of reinforced concrete and the anchor device by the anchor pole, and the tidal current flows. There is no.
As the water level rises, the floating body rises by receiving buoyancy from the submerged water, but rises vertically upward without being swept away by the anchor action of the anchor device.
In a storm surge such as a tsunami, the water that has flowed from the sea to the land will then flow rapidly from the land to the sea. In this case as well, the floating body is prevented from moving in the horizontal direction by the anchor device, and the floating body itself is returned to the original position without being moved down to the ocean as the water descends. Is protected.

If the water surface of the tsunami is extremely high and the anchor pole is pulled out of the anchor hole in the foundation, the floating body becomes free and flows into the tsunami flow along with the movement of the seawater. Because they are firmly connected, the floating body is not caught by the anchor and fixed like a floating object destroyed by the tsunami, and the refugees on board are likely to be saved.
However, in this case as well, the floating body will not sink unless it collides with a large structure on land, etc., and as long as the person is on board, the human life on board is protected.

The present inventor has filed an invention and device of the same kind as the present invention in the prior application as follows.
1, Japanese Patent Application No. 2005-137
2, Japanese Patent Application No. 2005-4065 “Water Vessel Evacuated Ship”
3, Japanese Patent Application No. 2005-12248 "Floating-flooring type building"
4, Japanese Patent Application No. 2005-16873 “Floating Structure”
5, Japanese Patent Application No. 2005-21277 “Taiwan Type Floating Structure”
6, Actual application 2005-571 "Floating building"
7, Japanese Patent Application No. 2005-34075 “Floating Buildings”
The present invention relates to an improvement of the above-described invention and device, and was created in consideration of maintenance more specifically and practically.
Further, the present invention provides a tsunami-capable floating building and a construction method thereof in consideration of the concrete production method of the above-described invention and improving the configuration suitable for the production method.

In particular, the present invention relates to a construction method of a trolley type floating body at a construction site, and all trolleys have been constructed at a shipyard such as a large crane, a rail type sill or a floating dock.
The present invention is an inland land building without a large lifting crane facility like a shipyard, and the construction site changes one after another when the construction is completed. I had to create a new construction method.

  Embodiments of the present invention will be described below with reference to the drawings. However, the following examples illustrate one mode for embodying the technical idea of the present invention, and the present invention is not limited to the examples.

FIG. 1 is a bird's-eye view for explaining the configuration of the tsunami-capable floating building (10) of the present invention and the operating principle during flooding.
The foundation (4) made of reinforced concrete is mostly buried in the ground, with a bottom structure (18) and a container structure pool type with side walls (15) on all sides, and the upper surface of the side walls is slightly higher than the ground (9). ing.
Three rectangular parallelepiped bases (5) are formed on the bottom surface (18), and connecting members (3) into which anchor poles (2) to be described later are inserted are drilled at the four corners of the base.

A maintenance passage (6) is formed between the pedestal (5) and the pedestal in the same plane as the bottom surface (18), and a hydraulic jack lift (8) is depicted. As will be described later, the jack lift is a device for jacking up the floating body (1).
A hollow floating body (1) having a bottom plate, four side surfaces, and an upper surface made of a plate material such as a steel plate has a load table (11) provided therein and anchor poles (2) integrally pivoted at four corners.
The anchor pole (2) is a telescope type and expands and contracts vertically downward. In the figure, the anchor pole (2) extends and the lower end is inserted into the connecting member (3).

The pedestal (5) of the foundation (4) has a load-bearing force that supports all the aerial weight of the floating body (1) and the building built on it, and the normal floating body (1) is placed on the pedestal.
FIG. 1 shows the situation at the time of flooding, the water level rises to the surface line (14), the floating body (1) rises, the anchor pole (2) extends downward, and only the tip part is the upper end of the connecting member (3). It is in contact with the part.
The floating body (1) rises due to inundation such as a tsunami, typhoon storm surge, river flooding, and the floating body (1) is pushed by the horizontal direction due to the flow velocity, but the floating body (1) is not washed away.
The anchor pole (2) integrated with the floating body (1) receives a large force flowing in the downstream direction together with the floating body (1), but the anchor pole (2) and the connecting member (3) come into contact with the connecting member (3). The force acts on the foundation (4), but the foundation (4) integrated with the earth ground is immobile and the floating body (1) is not washed away.

The floating body (1) moves up and down as the water level rises and falls without being moved by the anchoring action where the anchor pole (2) and the connecting member (3) abut, and finally returns to its original position if storm surges are drawn. The floating body (1) is placed at rest.
When the flooded water level is abnormally high and the lower end of the anchor pole (2) comes out of the connecting member (3), the floating body (1) is tampered with the flow with the anchor pole (2) suspended.
The floating body (1) has a flat plate shape and a very stable structure on the water surface. However, when the anchor pole (2) is suspended, the center of gravity moves downward and the stability is further improved.
Therefore, unless the pontoon type floating body collides with the structure and breaks and floods, it does not sink and the building and the person on the floating body are protected.

A winch (30) is installed on the floating bow deck and is connected to the gutter (31) via a chain (32).
This prevents the floating body from being tampered with by the tsunami when the floating body is suspended by hanging the anchor pole as described above.
Further, the anchor pole is not necessarily fixed to the floating body, and when the water level reaches a certain level, the anchor pole is left on the connecting member (3) as shown in FIGS. 14 to 15 so that the floating body can float freely. May be.

Moreover, even if the trolley type floating body (1) is damaged and flooded, the flood sunk usually ends after a lapse of considerable time until the storm surge flood.
If the water level is low and the land is flat without any obstacles, the anchor pole (2) is contracted while the floating body (1) is left as it is, and placed at that position.

Next, the construction method in the construction site of this invention tsunami-adaptive floating building (10) is explained in full detail.
In particular, the floating body (1) is a barge type ship, and has been constructed in a shipyard equipped with facilities such as a large crane, a rail deck and a floating dock.
After completion of inundation, it is always moved or moored on the water, such as offshore towing, and the floating body of the tsunami-capable floating building of the present invention is basically different from that constructed for many years at the construction site.

Once construction was completed, construction sites changed one after another, and new construction methods and structural changes appropriate for it were necessary to construct efficiently at sites without large facilities.
FIG. 2 is a side view of the foundation (4) viewed from the lower right to the upper left in FIG. 1, and is a cross-sectional view of the anchor pole (2) portion.
The foundation (4) is a pool type foundation (7), and the upper surfaces of the foundation side wall portions (15) at both ends protrude slightly upward from the ground (9) so that rainwater does not flow.
As shown in FIG. 2, the connecting member (3) is perforated to form a pedestal (5) on which the maintenance passage (6) and the floating body (1) are placed.

FIG. 3 is a view during the assembly work of the floating body (1). A plate material (19) such as a steel plate is laid on the base (5) and connected by welding, and the anchor pole (2) and the load base (11) are in accordance with the design document. Deploy.
The load table (11) must be designed by estimating the required strength in consideration of the balance between the load distribution of the building constructed on the floating body and the water pressure when the floating body is submerged.
FIG. 6 shows an example of a load table, A is an H-shaped steel B, a square pipe C is a cylindrical pipe welded to a flat plate at both ends, and D is a combination of four H-shaped steels and welded at both ends to a flat plate. In either case, the force acts in the direction in which the steel plate material is compressed vertically so that the load bearing strength is in the vertical direction.

The anchor pole (2) itself also functions as a load table that receives a load in the vertical direction.
The floating body (1) in FIG. 3 is assembled from the inside of the floating body because surface treatment such as welding and painting cannot be performed from the outside of the bottom plate and side surfaces of the floating body because there is no work space.
7 is a side view seen from the left front of FIG. 1 toward the right back direction, and is a cross-sectional view of the anchor pole (2) position. FIG. 8 is a plan view of the pool-type foundation (7) and a bottom view (18). It is.

FIG. 4 is a completed view of the floating body, and a jack lift (8) is arranged in the maintenance passage (6).
The jack lift (8) is carried into the pool-type foundation (7) from the opening (12) shown in FIGS. 1 and 7 to 8, and the necessary number suitable for the weight of the floating body as shown in FIG. Be placed.
FIGS. 5 and 7 show the situation in which the jack lifts (8) are all operated in synchronism and the entire floating body is lifted, and the anchor pole (2) extends downward due to gravity.
In this state, surface treatment work such as inspection or painting of the welding state from the outside of the bottom plate or side surface of the floating body (1), that is, back wave, is performed.

Since the part where the jack lift (8) is in contact with the floating body bottom plate cannot be directly operated, the work is performed by lowering only the part supported by the jack lift (8) at the adjacent place.
Next, all the jack lifts are lowered synchronously, the floating body is placed on the pedestal (5), and the jack lift is taken out to complete the floating body construction.
When the floating body construction is completed, a building is constructed on the floating body. The building such as the building (20) and the floating body are firmly connected by an anchor vault (not shown).

FIG. 9 is a completed view after the construction work is completed, and an opening / closing door (21) is provided in the right end opening (12), and is configured to be opened and closed manually or by a drive device (22) by power. .
The opening (27) of the opening / closing door (21) is greatly opened in the width direction as shown in FIG. 8, and is rotated and released upward in response to inundation information such as a tsunami.
FIG. 10 shows the situation, and the inundation first collides with the opening / closing door (21) and flows into the bottom surface (18) of the pool base (7), and the maintenance passage (6) becomes the water conduit (16) throughout the pool. Submerged and the floating body (1) rises with a large buoyancy.

In the figure, the anchor pole (2) extends vertically downward while the floating body rises as the water surface line (14) rises, and the anchor pole and the lower end of the anchor pole abut against the connecting member (3). Due to the anchoring action, the floating body is not swept away and maintains its position.
When the water level falls, the anchor pole (2) is shortened at the position where the floating body and the building (20) remain as they are, and placed on the original pedestal.

When the water level rises abnormally high and the lower end of the anchor pole (2) comes out of the connecting member (3), the anchoring action is lost and the building and the floating body are tampered with by the flow. As described.
It is necessary to inspect and maintain the bottom plate of the floating body (1) and the inside of the pool-type foundation (7) once every ten to several decades. At that time, the door (21) is opened as shown in FIG. (8) is carried into the maintenance passage (6), and the floating body and all the buildings on it are jacked up for maintenance.

The embodiment of the tsunami-adaptive floating building (10) shown in FIGS. 11 to 13 is assumed for emergency evacuation used only for tsunami evacuation.
Since the base (4) is not a pool type and the pedestal (5) is exposed on the ground (9), the hoistway (25) such as stairs must be raised on the floating body (1) deck (28).
11 is a side sectional view as seen from the side, with the bow portion of the floating body facing the storm surge from the right side, FIG. 12 is a plan view thereof, and FIG. 13 is a side sectional view seen from the front side. is there.

The anchor pole (2) is not a telescopic type, but a steel pipe connected in a sheath pipe (23) integral with the floating body (1). A stopper (26) is provided at the upper end, and when the floating body rises to some extent, the sheath pipe (23) It abuts on the upper end and acts to pull out the anchor pole (2).
A rainwater cover (13) is integrally provided with the floating body (1) below the side surface of the floating body so as to cover the protrusion (29) on the upper surface of the foundation. It is preventing.
An open / close door (21) is provided above the right end of the maintenance passage (6), and the swing is released by receiving storm surge information such as a tsunami, and the water passage (16) also serves as a maintenance passage (6). The floating body is promoted by introducing seawater to the bottom of the floating body.
Also, the open / close door (21) is inserted into the jack lift (8) as shown in the figure during maintenance work of the floating body, and in the same manner as in the previous embodiment, three or more jack lifts (8) are operated in synchronism with the floating body. Jack up.

The size of the maintenance passage (6) is ideally set by a person, but it may be pushed from the front to the back using a jig without necessarily being put by an operator.
FIG. 14 to FIG. 16 are tsunami evacuation buildings as evacuation floating bodies that are provided in countryside where there are no small hills for evacuation or safe building for evacuation and accommodate a large number of evacuees.
Fig. 16 shows the sea where the tsunami strikes on the right side, and two winches (30) are installed on the bow deck with a floating body placed on the reinforced concrete foundation with the bow facing toward the sea. (31) is buried in front of the foundation.
When the tsunami hits the right coastline, it first collides with the bow and a large wave force acts on the floating body, and the floating body is strongly pushed to the left, but the anchor pole housed in the sheath pipe (23) integral with the floating body The base connecting member is fixed to the ground, and the floating body floats vertically upward but is not flowed.

In the case of a tsunami longer than the length of the anchor pole, the floating body escapes from the anchor pole and is swept away by a chain connected to the anchor. When the floating body floats high at a very high water depth, if the chain (32) is not extended by the winch (30), the hook (31) can be pulled and the flow of the floating body (1) cannot be stopped.
FIGS. 14 to 15 are three-dimensional views of the plan view of FIG. 16. The anchor pole (2) has no stopper at the upper end and the floating body easily floats leaving the anchor pole.

The present invention is an evacuation facility for a tsunami disaster, and it is predicted that a Nankai earthquake or a Tonankai earthquake will occur in the near future.
In addition, storm surge damage caused by a typhoon occurs almost every year in various places, and the present invention is extremely effective as a means to cope with this storm surge flood damage.
By providing technically complete equipment, the construction and shipbuilding industries also have significant industrial potential.
The great tsunami that hit the Indian Ocean coastal area at the end of December 2004 devastated hundreds of thousands of people and enjoyed marine resorts within a few hours.

Many tourists will not turn to coastal resorts until some absolutely reliable rescue facility for the tsunami is completed.
The present invention can prove to be a great food for guaranteeing a safe life for many people living in the marine resort industry and the coastal area by proving its safety effect.
In addition, the present invention is applicable to general residential buildings and large hotels, and if it is proved by constructing in a coastal lowland where storm surge damage is likely to occur, there is a possibility of great use in the construction industry. .

The bird's-eye view explaining the structure of this invention tsunami corresponding | compatible floating-body building (10), and the operation principle at the time of flooding. Pool type foundation (7) sectional view. Pool type foundation (7) cross section during floating body construction. Same as above. Same as above. An example bird's-eye view of a load table. Pool type foundation (7) side sectional view under construction of floating body construction. FIG. Side view of pool type foundation and floating body and completed building (20) side view. The action explanatory side sectional view at the time of flooding same as the above. Side sectional view of a floating building (10) for evacuation-only tsunami. FIG. The sectional side view of the edible tsunami-adaptive floating building seen from the front. A bird's-eye view of the floating body that surfaced due to the tsunami attack. A bird's-eye view of a floating body placed on the foundation. Top view of the floating body placed on the foundation

DESCRIPTION OF SYMBOLS 1 ... Floating body 2 ... Anchor pole 3 ... Connecting member 4 ... Foundation 5 ... Base 6 ... Maintenance passage 7 ... Pool type foundation 8 ... Jack lift 9 ... Ground 10 ... Tsunami-adaptive floating body building 11 ... Load stand 12 ... Opening 13 ... Rainwater cover 14 ... water surface line 15 ... side wall 16 ... water conduit 17 ... pedestal 18 ... bottom 19 ... plate material 20 ... building material 21 ... door 22 ... drive device 23 ... sheath tube 24 ... handrail 25 ... hoistway 26 ... stopper 27 ... Opening 28 ... Deck 29 ... Projection 30 ... Winch 31 ... Anchor 32 ... Chain 33 ... Bow

Claims (2)

Constructed so that people can live on a floating body in a floating structure with a floating structure that prevents inundation of the building against storm surges such as tsunami, typhoon and river flooding, and the following conditions 1 to 5 were met A tsunami-ready floating building characterized by
1. A floating body with a hull bow whose vertical cross-sectional area gradually decreases toward the tip is placed on the concrete foundation in the direction of the tsunami storm surge.
2. An anchor pole that is integrally provided with the floating body and protrudes vertically downward from the bottom of the floating body, and a base in which a connecting member that supports the air weight of the floating body and into which the anchor pole is inserted is perforated.
3. A base (5) is formed on the upper surface of the foundation, a floating body is placed on the base, and an anchor pole is connected to the connecting member.
4. A plurality of maintenance passages (6) into which jack lifts (8) can be inserted are formed adjacent to the pedestal (5).
5. The floating body floats up when it is in a flooded state, but the anchor pole and the connecting member are fixed in contact with each other to prevent the floating body from flowing due to running water. 2. A flooded floating structure according to claim 1, wherein three or more jack lifts are inserted into the maintenance passage, and the jack lifts are moved up and down synchronously to perform surface treatment work on the bottom of the floating body. How to build things.

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