Disaster prevention equipment in the Japanese archipelago

Abstract

Providing urban disaster prevention equipment [Solution] The urban disaster prevention equipment according to the present invention is a large-scale urban or metropolitan disaster prevention facility that includes an underground disaster prevention space in land that does not require land reclamation, formed within a levee that does not require land reclamation, which is continuously provided from both ends of an elevated river levee 4 adjacent to the riverbank or coastline of an adjacent river down to a relatively shallow sea.

Description

Technical Field

[0001] An object of the present invention is to provide disaster prevention facilities for the Japanese archipelago in a landfill-free area by installing landfill-free levees that extend continuously from both ends of a ceiling river levee near the adjacent riverbanks or the coastline of adjacent rivers to a relatively shallow sea.

Background Art

[0002] During the last ice age, the coastline of the Japanese archipelago submerged one after another due to a sea level rise of up to 100 meters in Tokyo Bay, Ise Bay, Osaka Bay, and the Seto Inland Sea, resulting in the current coastline.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0004] The first object of the present invention is to provide urban disaster prevention facilities in a landfill-free area by installing landfill-free levees that extend continuously from both ends of a ceiling river levee near the adjacent riverbanks or the coastline of adjacent rivers to a relatively shallow sea. The second object of the present invention is to provide disaster prevention facilities for large cities by installing landfill-free levees and landfill-free land that extend continuously from both ends of a ceiling river levee near the adjacent riverbanks or the coastline of adjacent rivers to a relatively shallow sea along the coastlines of Tokyo Bay, Ise Bay, Osaka Bay, etc.

Means for Solving the Problems

[0005] This invention provides a levee that does not require land reclamation, which extends continuously from both ends of an elevated river levee near an adjacent riverbank or coastline to a relatively shallow sea. The objective is to provide urban disaster prevention equipment on land that does not require land reclamation, which is formed within the aforementioned levee that does not require land reclamation. The urban disaster prevention facility described in claim 1 comprises an underground disaster prevention space comprising: a non-reclamation-required levee provided continuously from both ends of an elevated river levee near an adjacent riverbank or coastline to a relatively shallow sea; land that does not require land reclamation formed within the non-reclamation-required levee; a plurality of relatively thick vertical main pillars provided within the land that does not require land reclamation; a plurality of internal column pipe members having a relatively long and thick vertical penetration pipe that penetrates the plurality of vertical main pillars and an upper plane wider than the outer diameter of the vertical penetration pipe; a plurality of external column pipe members that press against the upper plane of the plurality of internal column pipe members from a position higher than the height of the vertical penetration pipe; and an upper beam member provided on the plurality of external column pipe members that penetrates the plurality of vertical main pillars. The urban disaster prevention equipment described in claim 2 is the urban disaster prevention equipment described in claim 1, further comprising a tsunami countermeasure disaster prevention space provided by a further high-rise above-ground disaster prevention space sequentially above the underground disaster prevention space. The urban disaster prevention equipment according to claim 3 comprises: a plurality of relatively thick vertical main pillars provided in land that does not require reclamation near the coastline; a plurality of relatively long and thick vertical through pipes penetrating the plurality of main pillars; a plurality of internal column pipe members having an upper plane wider than the outer diameter of the vertical through pipes; a plurality of external column members 10a pressing against the upper plane of the internal column members from a position higher than the height of the vertical through pipes; a plurality of slabs 11a penetrating the plurality of external column members 10a; a foundation beam 12a joined to the plurality of slabs 11a penetrating the plurality of external column members 10a; an elevated river embankment 5 connected to a slab 11 penetrating the main pillar 8 and pressing against the foundation beam 12a; a plurality of slabs 11b provided on top of the plurality of external column members 10a and penetrating the plurality of vertical main pillars 8; a first-floor foundation beam member 12b joined to the plurality of slabs 11b; and a first-floor floor member 13a pressing against and in contact with the four sides of the first-floor foundation beam member 12b. The system comprises a plurality of first-floor external column members 10b provided on the plurality of slabs 11b, a plurality of slabs 11c penetrating a plurality of adjacent vertical main columns 8 on the first-floor external column members 10b, a first-floor upper beam member 12c connected to the plurality of slabs 11c, a first-floor disaster prevention space 14a comprising a first-floor ceiling member 13b that presses into and contacts the first-floor upper beam member 12c, and a massive high-rise disaster prevention space for tsunami countermeasures with coastline-near residential spaces formed by sequentially ascending high-rise disaster prevention spaces on the first-floor disaster prevention space 14c. The urban disaster prevention equipment according to claim 4 includes: a non-reclamation-required embankment 5 that extends continuously from both ends of an adjacent riverbank 3 of an adjacent river 2 or an elevated river embankment 4 near the coastline down to a relatively shallow sea; a non-reclamation-required land 6 formed within the non-reclamation-required embankment 5; a plurality of relatively thick vertical main support pillars 8 provided within the non-reclamation-required land 6; a plurality of relatively long and thick vertical penetration pipes 9a that penetrate the plurality of vertical main support pillars 8; a plurality of internal column pipe members 9 having an upper plane 9b wider than the outer shape of the vertical penetration pipes 9a; a plurality of slabs 11b that penetrate the plurality of main support pillars 8 on the plurality of internal column pipe members 9; an internal column pipe member beam 13a joined to the plurality of slabs 11b; a plurality of external column pipe members 10b that press against the upper plane 9b of the internal column pipe members 9 from a position higher than the height of the vertical penetration pipes 9a; and a plurality of slabs 11c provided on the plurality of external column pipe members 10b that penetrate the vertical main support pillars 8. The underground disaster prevention space 14a comprises an upper beam member 12c that is attached to the multiple slabs 11c that are provided on the multiple external pipe column members 10b and penetrate the vertical main column 8, and ceiling members 13b that press against and make contact with the upper beam members 12c on all four sides. The urban disaster prevention equipment according to claim 5 is the urban disaster prevention equipment according to claim 4, comprising a second-floor underground space 14 comprising: a plurality of second-floor external pipe column members 10c that penetrate adjacent vertical main pillars 8 and are provided on the plurality of slabs 11c; a plurality of slabs 11d that penetrate adjacent vertical main pillars 8 on the plurality of second-floor external pipe column members 10c; a second-floor upper beam member 12d that is joined to the plurality of slabs 11d that penetrate adjacent vertical main pillars 8 on the second-floor external pipe column members 10c; and a second-floor ceiling member 13c that presses into contact with the second-floor upper beam member 12d. The urban disaster prevention equipment according to claim 6 comprises: a plurality of relatively thick vertical main pillars 8 provided in land 6 that does not require reclamation near the coastline; a plurality of internal column pipe members 9 having a relatively long and thick vertical through pipe 9a penetrating the main pillars 8 and an upper plane 9b wider than the outer diameter of the vertical through pipe 9a; a plurality of external column pipe members 10a pressing against the upper plane 9b of the internal column pipe members 9 from a position higher than the height of the vertical through pipe 9a; a plurality of slabs 11a penetrating the plurality of external column pipe members 10a; a foundation beam 12a joined to the plurality of slabs 11a penetrating the plurality of external column pipe members 10a; a slab 11b provided on top of the external column pipe members 10a and penetrating the vertical main pillars 8; a basement beam member 12b for the third basement floor joined to the slab 11b; and a plurality of external column pipe members 10b for the third basement floor pressing against the upper plane 9b of the internal column pipe members 9 from a position higher than the height of the vertical through pipe 9a on the slab 11b. A disaster prevention space 14a on the third basement floor comprising: a plurality of slabs 11c that penetrate adjacent vertical main support columns 8 on the plurality of external pipe column members 10b on the third basement floor; an upper beam member 12c on the third basement floor connected to the plurality of slabs 11c; a ceiling member 13b on the third basement floor that presses against and contacts the upper beam member 12c on all four sides of the upper beam member 12c on the third basement floor; a plurality of external pipe column members 10c on the second basement floor that penetrate adjacent vertical main support columns 8 and are provided on the slabs 11c; a plurality of slabs 11d that penetrate adjacent vertical main support columns 8 on the plurality of external pipe column members 10c on the second basement floor; an upper beam member 12d on the second basement floor connected to the plurality of slabs 11d; a disaster prevention space 14b on the second basement floor comprising: a ceiling member 13c on the second basement floor that presses against and contacts the upper beam member 12d on the second basement floor; a plurality of external pipe column members 10d on the first basement floor that penetrate the main support columns 8 on the plurality of slabs 11d The urban disaster prevention equipment according to claim 1 comprises: a plurality of slabs 11e penetrating adjacent vertical main support columns 8 on a plurality of external pipe column members 10d on the first basement floor; a plurality of upper beam members 12e on the first basement floor connected to the plurality of slabs 11e penetrating adjacent vertical main support columns 8 on the plurality of external pipe column members 10d on the first basement floor; a first basement floor disaster prevention space 14c comprising a first basement floor ceiling member 13d that presses into contact with the upper beam members 12e on the first basement floor; and a tsunami countermeasure disaster prevention space comprising further high-rise disaster prevention spaces above the first basement floor disaster prevention space 14c. The urban disaster prevention equipment according to claim 7 comprises: a plurality of relatively thick vertical main pillars 8 provided in land 6 that does not require reclamation near the coastline; a plurality of internal column members 9 having a relatively long and thick vertical through pipe 9a that penetrates the main pillars 8 and an upper plane 9b wider than the outer diameter of the vertical through pipe 9a; a plurality of external column members 10a that press against the upper plane 9b of the plurality of internal column members 9 from a position higher than the height of the vertical through pipe 9a; a plurality of slabs 11a that penetrate the plurality of external column members 10a; a foundation beam 12a joined to the plurality of slabs 11a that penetrate the plurality of external column members 10a; an elevated river embankment 5 that is connected to a slab 11 that penetrates the main pillars 8 and presses against the foundation beam 12a; a plurality of slabs 11b provided on top of the plurality of external column members 10a and penetrating the vertical main pillars 8; and a first-floor foundation beam member 12b joined to the plurality of slabs 11b. A first-floor floor member 13a that presses and contacts the four sides of the first-floor foundation beam member 12b; a plurality of first-floor external pipe column members 10b provided on the plurality of slabs 11b; a plurality of slabs 11c that penetrate adjacent vertical main pillars 8 on the plurality of first-floor external pipe column members 10b; a first-floor upper beam member 12c connected to the plurality of slabs 11c; a first-floor disaster prevention space 14a comprising a first-floor ceiling member 13b that presses and contacts the first-floor upper beam member 12c; a plurality of second-floor external pipe column members 10c that penetrate adjacent vertical main pillars 8 and are provided on the slabs 11c; a plurality of slabs 11d that penetrate adjacent vertical main pillars 8 on the plurality of second-floor external pipe column members 10c; a plurality of third-floor external pipe column members 10d that penetrate the main pillars 8 on the plurality of slabs 11d A disaster prevention space on the second floor 14b comprising: a plurality of external pipe column members 10d for the third floor above ground, adjacent vertical main pillars 8 connected to a plurality of slabs 11d; a second floor ceiling member 13c pressing against and making contact with the first floor upper beam member 12d; a plurality of external pipe column members 10d for the third floor above ground, penetrating the main pillars 8 on the plurality of slabs 11d; a plurality of upper beam members 12e for the third floor above ground, connected to a plurality of slabs 11e penetrating the adjacent vertical main pillars 8 on the plurality of external pipe column members 10d for the third floor above ground; and a third floor ceiling member 13d pressing against and making contact with the third floor upper beam member 12e.This is a large-scale urban disaster prevention facility that installs a massive high-rise disaster prevention space for tsunami countermeasures, which includes a residential space near the coastline, by sequentially installing further high-rise disaster prevention spaces above the aforementioned 3-story above-ground disaster prevention space 14c. The urban disaster prevention equipment or large-city disaster prevention equipment according to claim 8 is characterized in that it incorporates an internal column member within an external column member from the lowest floor upwards, as described in claims 1 to 7. [Effects of the Invention]

[0006] According to the present invention, urban disaster prevention becomes possible by providing a levee 5 that does not require land reclamation, which extends continuously from both ends of an elevated river levee 4 on the adjacent riverbank or near the coastline to a relatively shallow sea. Furthermore, the system includes a raised river embankment located in the sea near the coastline, a non-reclamation embankment located in relatively shallow sea at both ends of the raised river embankment, and a tsunami-resistant raised river embankment having an opening on the open sea side of the non-reclamation embankment. The area between the non-reclamation embankment and the tsunami-resistant raised river embankment is designated as a brackish water zone, and river water can be discharged into the open sea through the opening in the tsunami-resistant raised river embankment, enabling urban disaster prevention in the Japanese archipelago. Furthermore, by providing land that does not require reclamation by equipping the above-ground river embankment 4 with embankments that do not require reclamation in relatively shallow seas, it is possible to provide, for example, an urban disaster prevention facility with three underground levels. [Brief explanation of the drawing]

[0007] [Figure 1] This shows the current coastline of the Japanese archipelago and the coastline from the last glacial period. [Figure 2] This shows one example of a raised river embankment 4 located in the sea near the coastline or in relatively shallow seabeds, a raised river embankment 7 for tsunami countermeasures, and a reclamation-free embankment 5 located in relatively shallow seabeds. [Figure 3] This shows one embodiment of a main support column 8, an internal column pipe member 9, an external column pipe member 10, and a slab 11 that penetrates the main support column 8. [Figure 4] This diagram illustrates urban disaster prevention equipment located on the third underground level of land 6, which does not require land reclamation, at a depth of approximately 10 meters below sea level. [Figure 5]This indicates a large-city disaster prevention facility where a raised river embankment 4 is installed near the coastline. [Figure 6a] This shows a map of Tokyo Bay. [Figure 6b] This shows a map of Osaka Bay. [Figure 6c] This shows a map of Ise Bay. [Figure 7] This refers to reclaimed land in Tokyo and Yokohama. [Modes for carrying out the invention]

[0008] Figure 1 shows the current coastline of the Japanese archipelago and the coastline during the glacial period. During the last glacial period, the coastlines of the Japanese archipelago, including Tokyo Bay, Ise Bay, Osaka Bay, and the Seto Inland Sea, were successively submerged due to sea-level rise of up to 100 meters, resulting in the coastlines we see today. Figure 2 shows one example of a reclamation-free embankment 4, a tsunami-resistant elevated river embankment 7, and a reclamation-free embankment 5 located on the relatively shallow seabed, which are constructed continuously from both ends of an elevated river embankment near the adjacent riverbank or coastline of an adjacent river to the relatively shallow seabed. Figure 3 shows one embodiment of a main support column 8, an internal column pipe member 9, an external column pipe member 10, and a slab 11 that penetrates the main support column 8. This embodiment comprises: a levee that does not require land reclamation, which is provided continuously from both ends of an elevated river levee near the adjacent riverbank or coastline of an adjacent river down to a relatively shallow sea; land that does not require land reclamation, which is formed within the levee that does not require land reclamation; a relatively thick vertical main support column 8 provided within the land that does not require land reclamation; a relatively long and thick vertical penetrating pipe 9a that penetrates the vertical main support column 8 and an internal column pipe member 9 having an upper plane 9b wider than the outer shape of the vertical penetrating pipe 9a; a slab 11b that penetrates the main support column 8 on the internal column pipe member 9; an internal column pipe member beam 13a joined to the slab 11b; and an external column pipe member 10 that presses against the upper plane 9b of the internal column pipe member 9 from a position higher than the height of the vertical penetrating pipe 9a and a slab 11 that penetrates the main support column 8. Figure 4 shows one embodiment of an underground disaster prevention space 10 meters underground that is formed by penetrating the main support column 8 or the external pipe column member 10. A plurality of relatively thick vertical main pillars 8 are provided within a plurality of land 6 near the shoreline that does not require reclamation, provided on a plurality of slabs 11b in the sea; a plurality of relatively long and thick vertical through pipes 9a that penetrate the main pillars 8 and a plurality of internal column pipe members 9 having an upper plane 9b wider than the outer shape of the vertical through pipes 9a; a plurality of external column pipe members 10a that press against the upper plane 9b of the internal column pipe members 9 from a position higher than the height of the vertical through pipes 9a; a plurality of slabs 11a that penetrate the plurality of external column pipe members 10a; a foundation beam 12a joined to the plurality of slabs 11a that penetrate the plurality of external column pipe members 10a; a slab 11b provided on the external column pipe members 10a and penetrating the vertical main pillars 8; a basement beam member 12b for the third basement floor joined to the slab 11b; a plurality of external column pipe members 10b for the third basement floor that press against the upper plane 9b of the internal column pipe members 9 from a position higher than the height of the vertical through pipes 9a on the slab 11b. A disaster prevention space 14a on the third basement floor comprising: a plurality of slabs 11c that penetrate adjacent vertical main pillars 8 on the plurality of external pipe column members 10b on the third basement floor; an upper beam member 12c on the third basement floor connected to the plurality of slabs 11c; a ceiling member 13b on the third basement floor that presses against and contacts the upper beam member 12c on all four sides of the upper beam member 12c on the third basement floor; a plurality of internal pipe column members on the second basement floor provided on the slabs 11c that penetrate adjacent vertical main pillars 8; a plurality of external pipe column members 10c on the second basement floor that penetrate adjacent vertical main pillars 8 and are provided on the slabs 11c; a plurality of slabs 11d that penetrate adjacent vertical main pillars 8 on the plurality of external pipe column members 10c on the second basement floor; an upper beam member 12d on the second basement floor connected to the plurality of slabs 11d; and a ceiling member 13c on the second basement floor that presses against and contacts the upper beam member 12d on the second basement floor. Multiple internal column members of the first basement floor that penetrate the main support column 8 on the multiple slabs 11d, Multiple external column members 10d of the first basement floor that penetrate the main support column 8 on the multiple slabs 11d, Multiple slabs 11e that penetrate the main support column 8 adjacent to each other on the multiple external column members 10d of the first basement floor, and Upper beam members 12e of the first basement floor connected to the multiple slabs 11e that penetrate the main support column 8 adjacent to each other on the multiple external column members 10d of the first basement floorA tsunami countermeasure disaster prevention space can be established by providing a first-basement disaster prevention space 14c which includes a first-basement ceiling member 13d that presses against and makes contact with the upper beam member 12e of the first basement floor, and by sequentially creating higher-rise above-ground disaster prevention spaces above the first-basement disaster prevention space 14c. Furthermore, if an internal column pipe member that penetrates the main support column 8 is incorporated into the external column member of the third-basement disaster prevention space to the first-basement disaster prevention space, the main support column 8 does not need to be fixed in a land that does not require reclamation. In the higher-rise above-ground disaster prevention space, for tsunami countermeasures, elevators are provided from the third or fourth floor above ground to the upper floors, and escalators are used from the third basement floor to the third or fourth floor above ground. Figure 5 shows a large-city disaster prevention facility with an elevated river embankment 4 installed near the coastline. It consists of a plurality of relatively thick vertical main pillars 8 installed in land 6 that does not require reclamation near the coastline, a plurality of relatively long and thick vertical penetrating pipes 9a that penetrate the main pillars 8, a plurality of internal column members 9 having an upper plane 9b wider than the outer diameter of the vertical penetrating pipes 9a, a plurality of external column members 10a that press against the upper plane 9b of the plurality of internal column members 9 from a position higher than the height of the vertical penetrating pipes 9a, a plurality of slabs 11a that penetrate the plurality of external column members 10a, a foundation beam 12a joined to the plurality of slabs 11a that penetrate the plurality of external column members 10a, an elevated river embankment 5 that is connected to a slab 11 that penetrates the main pillars 8 and presses against the foundation beam 12a, a plurality of slabs 11b that are provided on top of the plurality of external column members 10a and penetrate the vertical main pillars 8, and a first-floor foundation beam member 12b joined to the plurality of slabs 11b. A first-floor disaster prevention space 14a comprising: a first-floor floor member 13a that presses and contacts the four sides of the first-floor foundation beam member 12b above ground; a plurality of first-floor internal column pipe members provided on the plurality of slabs 11b; a plurality of first-floor external pipe column members 10b provided on the plurality of slabs 11b; a plurality of slabs 11c that penetrate adjacent vertical main pillars 8 on the plurality of first-floor external pipe column members 10b; a first-floor upper beam member 12c connected to the plurality of slabs 11c; a first-floor ceiling member 13b that presses and contacts the first-floor upper beam member 12c above ground; a plurality of second-floor internal column pipe members that penetrate adjacent vertical main pillars 8 and are provided on the slabs 11c; a plurality of second-floor external pipe column members 10c that penetrate adjacent vertical main pillars 8 and are provided on the slabs 11c; A plurality of slabs 11d penetrating adjacent vertical main support columns 8 on the plurality of external pipe column members 10c on the second floor above ground A plurality of external pipe column members 10d on the plurality of slabs 11d penetrating the main support columns 8 on the plurality of external pipe column members 10d on the third floor above ground Upper beam member 12d on the second floor above ground connecting adjacent vertical main support columns 8 on the plurality of slabs 11d A second floor disaster prevention space 14b comprising a second floor ceiling member 13c that presses and contacts the upper beam member 12d on the first floor above ground A plurality of internal pipe column members on the third floor above ground penetrating the main support columns 8 on the plurality of slabs 11dA massive high-rise tsunami countermeasure space is installed, comprising a plurality of external pipe members 10d for the third floor above ground that penetrate the main pillar 8 on the plurality of slabs 11d, a plurality of upper beam members 12e for the third floor above ground that are connected to a plurality of adjacent vertical slabs 11e that penetrate the main pillar 8 on the plurality of external pipe members 10d for the third floor above ground, a third floor ceiling member 13d that presses against and contacts the upper beam members 12e for the third floor above ground, and a further high-rise tsunami countermeasure space provided for coastal area residential spaces by sequentially increasing the number of high-rise tsunami countermeasure spaces above the third floor tsunami countermeasure space 14c. Figure 6 shows maps of Tokyo Bay, Osaka Port, and Ise Bay. In the Osaka Port shown in Figure 6b, an embodiment is provided in which a large high-rise disaster prevention space with coastal residential spaces is installed, enabling a large urban disaster prevention facility in Osaka Bay. This is achieved by installing a raised river embankment 4 near the coastline that connects the coastline-side side, a reclaimed embankment 5 that does not require land reclamation and is located in the relatively shallow seabed in Kobe, Osaka, and Kansai Airport in Osaka Bay, connecting to the seaside side, and a tsunami countermeasure raised river embankment 7 that has multiple openings 7a in the open sea outside the reclaimed embankment 5. In the Ise Bay shown in Figure 6c, an embodiment is provided in which a large high-rise disaster prevention space for tsunami countermeasures is installed, providing a residential space near the coastline of Ise Bay, and large urban disaster prevention facilities are possible. This embodiment includes a raised river embankment 4 near the coastline up to Matsusaka, a reclaimed embankment 5 that does not require land reclamation and extends to relatively shallow seawater, connecting the coastline near Chubu Centrair International Airport and the coastline near Matsusaka, and a raised river embankment 7 that has multiple openings 7a in the open sea beyond the reclaimed embankment 5. In the embodiment shown in Fig. 6a, a tsunami countermeasure ceiling river dike 7 is provided which includes the ceiling river dike 4 from the coastline of Urayasu to Kisarazu in Tokyo Bay, the ceiling river dike 4 from the coastline of Urayasu to Yokosuka, the landfill-free dike 5 provided from both ends of the ceiling river dike 4 between Kisarazu and Yokosuka to a relatively shallow sea area, and a plurality of openings 7a are held in the open sea of the landfill-free dike 5 connected to the coastlines 1 of Kisarazu and Yokosuka. A tsunami countermeasure huge high-rise disaster prevention space with a residential space near the coastline of Tokyo Bay is installed, making it possible to have a large city disaster prevention facility. Therefore, in the embodiment of the landfill-free dike 5 provided in the sea with a relatively shallow seabed from both ends of the ceiling river dike 4 provided near the coastline 1 and the tsunami countermeasure ceiling river dike 7 provided in the open sea of the landfill-free dike 5, a tsunami countermeasure huge high-rise disaster prevention space with a residential space near the coastline is installed, making it possible to have a large city disaster prevention. Also, in the landfill-free land, a landfill-free dike 5 is provided continuously from the adjacent riverbank 3 of the adjacent river 2 to a relatively shallow sea area in the sea, a tsunami countermeasure ceiling river dike 7 having a plurality of openings 7a is provided on the open sea side of the landfill-free dike 5, and a known flap gate type flood control dike or sluice is provided in the plurality of openings 7a, and river water flows from the plurality of openings 7a to the open sea. In this embodiment, a tsunami countermeasure huge high-rise disaster prevention space with a residential space near the coastline is installed, making it possible to have a large city disaster prevention facility. Fig. 7 shows the landfill areas in Tokyo, Yokohama and Chiba. For example, if a landfill-free dike 5 is implemented continuously from the adjacent riverbank 3 of the adjacent Arakawa and Sumida rivers or the coastline 1 near the adjacent riverbank in the landfill of Tokyo in Tokyo Bay in Fig. 7a to a relatively shallow sea area in the sea, a landfill-free area 6 can be realized outside the landfill area, and a tsunami countermeasure huge high-rise disaster prevention space with a residential space near the coastline of Tokyo Bay is installed, making it possible to have a large city disaster prevention facility. If a landfill-free dike 5 is implemented continuously from the adjacent riverbank 3 of the adjacent Sumida River and Tama River or the coastline 1 in the vicinity to a relatively shallow sea area in the sea, a landfill-free area can be realized outside the landfill area, and a tsunami countermeasure huge high-rise disaster prevention space with a residential space near the coastline is installed, making it possible to have a large city disaster prevention facility. In Yokohama, if a non-reclamation-required embankment 5 is constructed extending from the adjacent riverbanks 3 of the Tama River and Tsurumi River, or the coastline 1 near the adjacent riverbanks, down to the relatively shallow seabed, it will be possible to create land that does not require reclamation in addition to reclaimed land. This will enable the construction of a massive high-rise disaster prevention space with tsunami countermeasures, incorporating residential spaces near the coastline of Tokyo Bay, thus enabling large-scale urban disaster prevention facilities. Similarly, if a non-reclamation-required embankment 5 is constructed connecting the western riverbank 3 of the Tsurumi River or the nearby coastline 1 to the coastline near Yokosuka, extending down to the relatively shallow seabed, it will be possible to create land that does not require reclamation 6, incorporating residential spaces near the coastline, thus enabling large-scale urban disaster prevention facilities. Although the rivers in Osaka Bay are complex, similar implementation is possible. Furthermore, in Akashi, an embodiment is provided that includes a levee 5 that does not require land reclamation, connecting the eastern bank 3 of the Kakogawa River to the coastline 1 at the eastern end of Akashi and extending to relatively shallow seawater, and a tsunami countermeasure elevated river levee 7 that has multiple openings 7a in the sea outside the levee 5 that does not require land reclamation. This makes it possible to install a large high-rise disaster prevention space with tsunami countermeasures that includes residential space near the coastline of Akashi, enabling large-scale urban disaster prevention facilities.

[0009] In an embodiment of urban disaster prevention facilities along a single coastline such as the Tokyo Bay, Osaka Bay, Ise Bay, and the northeastern coast, a landfill-free dike 5 is provided continuously from the adjacent riverbank 3 of a plurality of adjacent rivers 2 or the coastline 1 near the adjacent riverbank to the relatively shallow seabed in the sea. A tsunami countermeasure ceiling river dike 7 having a plurality of openings 7a is provided on the open sea side of the landfill-free dike 5. A known flap gate type flood control dike or sluice (not shown) is provided in a plurality of the openings 7a. By flowing river water to the open sea from a plurality of the openings 7a, it is possible to realize a landfill-free area 6 in an embodiment where the river water of the adjacent river 2 flows to the open sea. It becomes possible to install a huge high-rise disaster prevention space with tsunami countermeasures including a residential space near the coastline of the Tokyo Bay, and thus it becomes possible to provide large city disaster prevention facilities. Also, on the northeastern coast, a ceiling river dike 4 is installed near the coastline 1 of Sendai Bay, and landfill-free dikes 5 are provided in the relatively shallow sea from both ends of the ceiling river dike 4, making it possible to realize a landfill-free area 6. It becomes possible to install a huge high-rise disaster prevention space with tsunami countermeasures including a residential space near the coastline on the northeastern coast, and thus it becomes possible to provide large city disaster prevention facilities. In this embodiment, the tsunami countermeasure floating body device by the applicant can weaken the tsunami as a tsunami countermeasure on the open sea, so the tsunami countermeasure floating body device (Japanese Patent Application Laid-Open No. 2020-76287) can be implemented, and the guiding floating body member is used for offshore wind power generation. As a final tsunami countermeasure, a known floating flap gate is used for the opening 7a.

Explanation of Reference Numerals

[0010] Coastline 1 River 2 Riverbank 3 Ceiling river dike 4 Landfill-free dike 5 Landfill-free land 6 Tsunami countermeasure ceiling river dike 7 Opening 7a Daikoku column 8 Inner column pipe member 9 Outer pipe column member 10 Slab 11 Beam member 12 Ceiling member 13

Claims

1. Urban disaster prevention equipment comprising an underground disaster prevention space comprising: a levee that does not require land reclamation, which is provided continuously from both ends of an elevated river levee on an adjacent riverbank or near the coastline down to a relatively shallow sea; land that does not require land reclamation, which is formed within the levee that does not require land reclamation; a plurality of relatively thick vertical main pillars provided within the land that does not require land reclamation; a plurality of relatively long and thick vertical penetrating pipes that penetrate the plurality of vertical main pillars, a plurality of internal column pipe members having an upper plane wider than the outer diameter of the vertical penetrating pipes; a plurality of external column pipe members that press against the upper plane of the plurality of internal column pipe members from a position higher than the height of the vertical penetrating pipes; and an upper beam member provided on the plurality of external column pipe members that penetrates the plurality of vertical main pillars.

2. The urban disaster prevention facility according to claim 1, comprising a tsunami countermeasure disaster prevention space provided by further high-rise above-ground disaster prevention spaces sequentially located on the underground disaster prevention space.

3. A plurality of relatively thick vertical main pillars are provided in land near the coastline that does not require reclamation; a plurality of relatively long and thick vertical through pipes passing through the plurality of main pillars; a plurality of internal column pipe members having an upper plane wider than the outer diameter of the vertical through pipes; a plurality of external column members 10a pressing against the upper plane of the internal column members from a position higher than the height of the vertical through pipes; a plurality of slabs 11a passing through the plurality of external column members 10a; a foundation beam 12a joined to the plurality of slabs 11a passing through the plurality of external column members 10a; an elevated river embankment 5 connected to a slab 11 passing through the main pillar 8 and pressing against the foundation beam 12a; a plurality of slabs 11b provided on top of the plurality of external column members 10a and passing through the plurality of vertical main pillars 8; a first-floor foundation beam member 12b joined to the plurality of slabs 11b; and a first-floor floor member 13a pressing against and in contact with the four sides of the first-floor foundation beam member 12b. A large urban disaster prevention facility comprising: a plurality of ground floor external pipe column members 10b provided on a plurality of slabs 11b; a plurality of slabs 11c penetrating a plurality of adjacent vertical main columns 8 on the ground floor external pipe column members 10b; a ground floor upper beam member 12c connected to the plurality of slabs 11c; a ground floor disaster prevention space 14a comprising a ground floor ceiling member 13b that presses into and contacts the ground floor upper beam member 12c; and a massive high-rise disaster prevention space for tsunami countermeasures with coastline-near residential space, formed by sequentially ascending high-rise disaster prevention spaces on the ground floor disaster prevention space 14c.

4. A non-reclamation-required embankment 5 is provided continuously from both ends of the adjacent riverbank 3 of the adjacent river 2 or the elevated river embankment 4 near the coastline down to a relatively shallow sea, a non-reclamation-required land 6 is formed within the non-reclamation-required embankment 5, a plurality of relatively thick vertical main pillars 8 are provided within the non-reclamation-required land 6, a plurality of relatively long and thick vertical through pipes 9a penetrate the plurality of vertical main pillars 8, a plurality of internal column pipe members 9 having an upper plane 9b wider than the outer shape of the vertical through pipes 9a, a plurality of slabs 11b penetrate the plurality of main pillars 8 on the plurality of internal column pipe members 9, an internal column pipe member beam 13a joined to the plurality of slabs 11b, a plurality of external column pipe members 10b that press against the upper plane 9b of the internal column pipe members 9 from a position higher than the height of the vertical through pipes 9a, and a plurality of slabs 11c provided on the plurality of external column pipe members 10b and penetrate the vertical main pillars 8. An urban disaster prevention facility comprising an underground disaster prevention space 14a comprising an upper beam member 12c that is provided on the plurality of external pipe column members 10b and is joined to the plurality of slabs 11c that penetrate a vertical main column 8, and ceiling members 13b that press against and contact the upper beam member 12c on all four sides.

5. The urban disaster prevention equipment according to claim 4, comprising a second-floor underground space 14 comprising: a plurality of second-floor external pipe column members 10c that penetrate adjacent vertical main pillars 8 and are provided on the plurality of slabs 11c; a plurality of slabs 11d that penetrate adjacent vertical main pillars 8 on the plurality of second-floor external pipe column members 10c; a second-floor upper beam member 12d that is joined to the plurality of slabs 11d that penetrate adjacent vertical main pillars 8 on the second-floor external pipe column members 10c; and a second-floor ceiling member 13c that presses against and contacts the second-floor upper beam member 12d.

6. A plurality of relatively thick vertical main support pillars 8 are provided within land 6 near the coastline that does not require reclamation; a plurality of relatively long and thick vertical through pipes 9a that penetrate the main support pillars 8 and a plurality of internal column pipe members 9 having an upper plane 9b wider than the outer diameter of the vertical through pipes 9a; a plurality of external column pipe members 10a that press against the upper plane 9b of the internal column pipe members 9 from a position higher than the height of the vertical through pipes 9a; a plurality of slabs 11a that penetrate the plurality of external column pipe members 10a; a foundation beam 12a joined to the plurality of slabs 11a that penetrate the plurality of external column pipe members 10a; a slab 11b provided on top of the external column pipe members 10a and penetrating the vertical main support pillars 8; a basement 3rd floor foundation beam member 12b joined to the slab 11b; a plurality of basement 3rd floor external column pipe members 10b that press against the upper plane 9b of the internal column pipe members 9 from a position higher than the height of the vertical through pipes 9a on the slab 11b. A disaster prevention space 14a on the third basement floor comprising: a plurality of slabs 11c that penetrate adjacent vertical main support columns 8 on the plurality of external pipe column members 10b on the third basement floor; an upper beam member 12c on the third basement floor connected to the plurality of slabs 11c; a ceiling member 13b on the third basement floor that presses against and contacts the upper beam member 12c on all four sides of the upper beam member 12c on the third basement floor; a plurality of external pipe column members 10c on the second basement floor that penetrate adjacent vertical main support columns 8 and are provided on the slabs 11c; a plurality of slabs 11d that penetrate adjacent vertical main support columns 8 on the plurality of external pipe column members 10c on the second basement floor; an upper beam member 12d on the second basement floor connected to the plurality of slabs 11d; a disaster prevention space 14b on the second basement floor comprising: a ceiling member 13c on the second basement floor that presses against and contacts the upper beam member 12d on the second basement floor; a plurality of external pipe column members 10d on the first basement floor that penetrate the main support columns 8 on the plurality of slabs 11d The urban disaster prevention equipment according to claim 1, comprising: a plurality of slabs 11e penetrating adjacent vertical main support columns 8 on a plurality of external pipe column members 10d on the first basement floor; a plurality of upper beam members 12e on the first basement floor connected to the plurality of slabs 11e penetrating adjacent vertical main support columns 8 on the plurality of external pipe column members 10d on the first basement floor; a first basement floor disaster prevention space 14c comprising a first basement floor ceiling member 13d that presses into contact with the upper beam members 12e on the first basement floor; and a tsunami countermeasure disaster prevention space comprising further high-rise disaster prevention spaces above the first basement floor disaster prevention space 14c in sequence.

7. A plurality of relatively thick vertical main support pillars 8 are provided within land 6 near the coastline that does not require reclamation; a plurality of relatively long and thick vertical through pipes 9a that penetrate the main support pillars 8 and a plurality of internal column pipe members 9 having an upper plane 9b wider than the outer diameter of the vertical through pipes 9a; a plurality of external column pipe members 10a that press against the upper plane 9b of the plurality of internal column pipe members 9 from a position higher than the height of the vertical through pipes 9a; a plurality of slabs 11a that penetrate the plurality of external column pipe members 10a; a foundation beam 12a joined to the plurality of slabs 11a that penetrate the plurality of external column pipe members 10a; an elevated river embankment 5 that is connected to a slab 11 that penetrates the main support pillars 8 and presses against the foundation beam 12a; a plurality of slabs 11b provided on top of the plurality of external column pipe members 10a and penetrating the vertical main support pillars 8; and a first-floor foundation beam member 12b joined to the plurality of slabs 11b. A first-floor floor member 13a that presses and contacts the four sides of the first-floor foundation beam member 12b; a plurality of first-floor external pipe column members 10b provided on the plurality of slabs 11b; a plurality of slabs 11c that penetrate adjacent vertical main pillars 8 on the plurality of first-floor external pipe column members 10b; a first-floor upper beam member 12c connected to the plurality of slabs 11c; a first-floor disaster prevention space 14a comprising a first-floor ceiling member 13b that presses and contacts the first-floor upper beam member 12c; a plurality of second-floor external pipe column members 10c that penetrate adjacent vertical main pillars 8 and are provided on the slabs 11c; a plurality of slabs 11d that penetrate adjacent vertical main pillars 8 on the plurality of second-floor external pipe column members 10c; a plurality of third-floor external pipe column members 10d that penetrate the main pillars 8 on the plurality of slabs 11d. A disaster prevention space on the second floor 14b comprising: a plurality of external pipe column members 10d for the third floor above ground, adjacent vertical main pillars 8 connected to a plurality of slabs 11d; a second floor ceiling member 13c pressing against and making contact with the first floor upper beam member 12d; a plurality of external pipe column members 10d for the third floor above ground, penetrating the main pillars 8 on the plurality of slabs 11d; a plurality of upper beam members 12e for the third floor above ground, connected to a plurality of slabs 11e penetrating the adjacent vertical main pillars 8 on the plurality of external pipe column members 10d for the third floor above ground; and a third floor ceiling member 13d pressing against and making contact with the third floor upper beam member 12e.A large urban disaster prevention facility that installs a massive high-rise disaster prevention space for tsunami countermeasures, which includes a residential space near the coastline, by sequentially installing further high-rise disaster prevention spaces above the aforementioned 3-story high-rise disaster prevention space 14c.

8. The urban disaster prevention equipment or large-city disaster prevention equipment according to claims 1 to 7, characterized in that an internal column pipe member is incorporated within an external column pipe member from the lowest floor upwards.

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