JP5760208B2 - Evacuation device from emergency such as tsunami and flood - Google Patents

Evacuation device from emergency such as tsunami and flood Download PDF

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JP5760208B2
JP5760208B2 JP2011038996A JP2011038996A JP5760208B2 JP 5760208 B2 JP5760208 B2 JP 5760208B2 JP 2011038996 A JP2011038996 A JP 2011038996A JP 2011038996 A JP2011038996 A JP 2011038996A JP 5760208 B2 JP5760208 B2 JP 5760208B2
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藤原　充弘
充弘 藤原
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有限会社フジカ
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Description

本発明は、津波・洪水等の非常事態からの避難装置に関する。  The present invention relates to an evacuation device from an emergency such as a tsunami or flood.

例えば、津波対策用として海岸線などに設置される津波避難用施設物（津波タワー）は、基盤に打設された鉄筋コンクリート製基礎と、同基礎上に立設固定された複数本の支柱と、同支柱上に固定された避難ステージと、基盤側と避難ステージとの間を連絡する登降手段とを備えたものになっている。  For example, a tsunami evacuation facility (tsunami tower) installed on a coastline or the like as a countermeasure against a tsunami is composed of a reinforced concrete foundation placed on the foundation and a plurality of pillars erected and fixed on the foundation. It has an evacuation stage fixed on a support and climbing means for communicating between the base and the evacuation stage.

しかし、これまでの津波避難用施設物は、支柱・避難ステージ・登降手段の全てが鉄骨製でなることから、前方から津波が襲来してくると前方下部から突き上げる力が働いた際に抵抗力で充分対抗しようとするが、未曾有の規模をもつ津波あるいは悪条件が重なる場合などにあっては浮き上がり傾向になるおそれがあった。
上記に鑑み、本発明は、津波などに対してより強力に対抗し得るようにした津波・洪水等の非常事態からの避難装置を提供することにある。However, the existing tsunami evacuation facilities are all made of steel frames, so if the tsunami hits from the front, the tsunami evacuation facility is resistant to the thrust from the lower front. However, there was a risk of rising when the tsunami has an unprecedented scale or when adverse conditions overlap.
In view of the above, it is an object of the present invention to provide an evacuation device from an emergency such as a tsunami or flood that can more strongly counter a tsunami or the like.

上記課題を解決するため、請求項１に記載の発明は、基盤に３個所以上をもって打設された鉄筋コンクリート製主基礎ブロックと、これら主基礎ブロック間を地中を通じてつなぐ主地中梁と、前記主基礎ブロック上に立設固定された複数本の支柱と、これら複数本の支柱上に固定された避難ステージと、基盤側と避難ステージとの間を連絡する登降手段とを備え、前記主基礎ブロックのすべてのものには、基盤内を通じて避難装置外側方に向けて一体に張り出す補助地中梁が設けられている津波・洪水等の非常事態からの避難装置で あって、前記補助地中梁は、Ｈ形や溝型などの溝付き型鋼でなっていてその溝を下向きにして設置されていることを特徴とする。In order to solve the above-mentioned problem, the invention described in claim 1 includes a main foundation block made of reinforced concrete placed on a base with three or more places, a main ground beam that connects the main base blocks through the ground, comprising a plurality of supports disposed fixed on the main base block, and the evacuation stage is fixed on these plurality of struts, and uphill means communicating between the base side and the evacuation stage, the main foundation to those of all blocks is an evacuation unit from emergency such as tsunami and floods that auxiliary underground beam is provided projecting integrally toward the evacuation device outward through the base and the auxiliary ground The beam is made of grooved steel such as H-shaped or groove-shaped and is installed with the groove facing downward .

本発明によれば、基盤に３個所以上をもって打設された鉄筋コンクリート製主基礎ブロックと、これら主基礎ブロック間を地中を通じてつなぐ主地中梁と、前記主基礎ブロック上に立設固定された複数本の支柱と、これら複数本の支柱上に固定された避難ステージと、基盤側と避難ステージとの間を連絡する登降手段とを備え、前記主基礎ブロックのすべてのものには、基盤内を通じて避難装置外側方に向けて一体に張り出す補助地中梁が設けられている津波・洪水等の非常事態からの避難装置であって、前記補助地中梁は、Ｈ形や溝型などの溝付き型鋼でなっていてその溝を下向きにして設置されていることを特徴とするので、津波などに対してより強力に対抗し得るようにした津波・洪水等の非常事態からの避難装置を提供することができる。According to the present invention, the main foundation block made of reinforced concrete placed at three or more places on the base, the main ground beam connecting the main base blocks through the ground, and standing and fixed on the main base block. A plurality of struts, an evacuation stage fixed on the plurality of struts, and climbing means for communicating between the base side and the evacuation stage . Evacuation devices from emergency situations such as tsunamis and floods that are integrally extended to the outside of the evacuation device through the evacuation device. Because it is made of grooved steel and is installed with the groove facing downward, an evacuation device from emergency situations such as tsunamis and floods that can more strongly counter tsunamis etc. Can provide That.

以下の各実施形態で説明されている個々の提案技術は他の実施形態にも適用されるものとする。
図１（横断面図）および図２（図１のＬ−Ｌ線断面図）は実施形態は、津波波力あるいは液状化現象が作用しても避難装置全体が転倒や傾斜、沈降などの異常事態を発生しないように工夫したものである。特に、装置は前後長が９ｍであるが幅が４．５ｍであることから左右への転倒などが心配されるがその対策をしたものである。Individual proposed techniques described in the following embodiments are also applied to other embodiments.
1 (transverse cross-sectional view) and FIG. 2 (LL cross-sectional view of FIG. 1) show that the evacuation device as a whole is abnormal, such as toppling, tilting, and sinking, even if a tsunami wave force or liquefaction phenomenon acts It is devised not to cause a situation. In particular, the device has a length of 9 m, but the width is 4.5 m.

すなわち、３２７は主基礎ブロック、３２８は支柱、３２９は主地中梁で、主基礎ブロック３２７間が主地中梁３２９で相互連結されこれらが鉄筋コンクリート製でなっているとともに、主基礎ブロック３２７上にフランジ３３０をアンカー固定して支柱３２８を立設固定したものであって、同装置の主基礎ブロック３２７からは、アウトリガー方式のように鉄筋コンクリート式の補助地中梁３３１…が合計６本張り出され、その外端に安定化用基礎ブロック３３２…を一体装備したものである。  That is, 327 is a main foundation block, 328 is a support column, 329 is a main underground beam, the main foundation blocks 327 are interconnected by a main underground beam 329, and these are made of reinforced concrete. The column 330 is anchored and the column 328 is erected and fixed. The main foundation block 327 of the apparatus has a total of six reinforced concrete type underground sub-beams 331. The stabilization base block 332... Is integrally provided at the outer end.

また、装置の前後方向Ｖにも同様に補助地中梁３３１および安定化用基礎ブロック３３２…が配備されている。３３３は補助地中梁３３１と支柱３２８を結ぶ補強斜材である。尚、補助地中梁３３１は右上欄のようなＨ形や溝型などの型鋼３３４や矢板（溝を下に向けた１本あるいは複数本のアングル材でもよい）３３５でもよいし、ＦＦＵ（ガラス長繊維強化プラスチック発泡体）やＥＰＳ（強化発泡スチロール）などでもよい。矢板３３５は溝を下向きにすると液状化現象のときにその内部に泥水などが入り込んで装置が沈むのを有効に阻止する。  Similarly, auxiliary underground beams 331 and stabilizing foundation blocks 332... Are also provided in the longitudinal direction V of the apparatus. Reference numeral 333 denotes a reinforcing diagonal member that connects the auxiliary underground beam 331 and the support column 328. The auxiliary underground beam 331 may be a steel plate 334 such as an H shape or a groove shape as shown in the upper right column, a sheet pile (may be one or a plurality of angle members with the groove facing down) 335, or FFU (glass Long fiber reinforced plastic foam) or EPS (reinforced foam polystyrene) may be used. When the sheet pile 335 is directed downward, muddy water or the like enters the interior during the liquefaction phenomenon and effectively prevents the apparatus from sinking.

これに対して、安定化用基礎ブロック３３２は、補助地中梁３３１と同じものを組み合わせる場合と、異なるものを組み合わせる場合とがある。ここに異なるものを組み合わせるとは、例えば、補助地中梁３３１がＨ型鋼である場合安定化用基礎ブロック３３２はＨ型や丸パイプ、アングル材、溝型鋼などの型鋼の他に鉄筋コンクリートブロックやＦＦＵなどでもよい。
また、Ｈ型鋼などを補助地中梁３３１とする場合、相手のコンクリートブロック３２７に差し込み式に一体化する場合とアンカー固定する場合とがある。
さらに、図１では安定化基礎ブロック３３２が独立タイプであったが、同図に仮想線で示すように連続一体型のブロック３３２′としてもよい。
また、安定化用基礎ブロック３３２は、図２の右下欄に示すように、紡錘型で沈みにくいものにしてもよい。
さらに、前記実施形態では先端に安定化用基礎ブロック３３２を構成したが、同ブロック３３２を装備しない場合もある。On the other hand, the stabilization basic block 332 may be combined with the same one as the auxiliary underground beam 331 or may be combined with a different one. For example, when the auxiliary underground beam 331 is H-shaped steel, the stabilization foundation block 332 is reinforced concrete block or FFU in addition to the H-shaped steel, round pipe, angle steel, groove steel, etc. Etc.
Further, when the H-shaped steel or the like is used as the auxiliary underground beam 331, there are a case where it is integrated into the mating concrete block 327 in a plug-in type and a case where it is anchored.
Further, although the stabilization basic block 332 is an independent type in FIG. 1, it may be a continuous integrated block 332 ′ as indicated by a virtual line in FIG.
Further, as shown in the lower right column of FIG. 2, the stabilization base block 332 may be a spindle type and difficult to sink.
Furthermore, although the stabilization base block 332 is configured at the tip in the embodiment, the block 332 may not be provided in some cases.

図３は他の実施形態を示す。同図は、三角形をした地中梁３３８とその頂点の基礎ブロック３３９…と補助地中梁３４０および安定化用基礎ブロック３４１とで三角型避難装置を構成したものの横断面図を示す。  FIG. 3 shows another embodiment. This figure shows a cross-sectional view of a triangular evacuation device comprising a triangular underground beam 338, a base block 339 at its apex, an auxiliary underground beam 340, and a stabilization basic block 341.

図４（図５のＭ−Ｍ線断面図）および図５は他の実施形態を示す。同実施形態は、支柱３４４にフランジ３４５を備えてアンカーボルト３４６に連結固定するようにしたものにおいて、同支柱３４４の基部回りを基礎ブロック３４７上の据付突座３４８内に一体埋め込み方式で強固に固定するようにしたものである。  FIG. 4 (sectional view taken along the line MM in FIG. 5) and FIG. 5 show another embodiment. In the embodiment, the column 344 is provided with a flange 345 and is connected and fixed to the anchor bolt 346, and the base portion of the column 344 is firmly embedded in a mounting protrusion 348 on the foundation block 347 by an integral embedding method. It is intended to be fixed.

これまでの支柱３４４は、基礎ブロック３４７上にアンカーボルト３４６を露出状態で取り出し、同ボルト３４６にフランジ３４５を介して固定するようにした露呈型のものであったため、ボルトに３４６にダイレクトに津波波力エネルギーが衝撃を伴って作用して引抜きとか切断とかの破損の原因となって装置の傾倒・転倒などにつながるおそれがあった。  The conventional support column 344 is an exposed type in which the anchor bolt 346 is exposed on the foundation block 347 and is fixed to the bolt 346 via the flange 345. Therefore, the tsunami is directly applied to the bolt 346. There was a risk that the wave energy acted with an impact, causing damage such as pulling or cutting, leading to tilting or falling of the device.

これに対して、図４、図５の実施形態では、基礎鉄筋３４９から上向きに複数本の付加鉄筋３５０…を突設してアンカーボルト３４６に連結した支柱３４４の基部回りを包囲する形としておき、そうしたもとで地盤３５１以下から上方へ突出する型枠３５２内に基礎ブロック３４７と３４８の一体のコンクリートを打設して固化し、支柱３４４の基部を含む形で鉄筋コンクリート内に固定するようにしたものである。３５４は補強リブである。  On the other hand, in the embodiment shown in FIGS. 4 and 5, a plurality of additional reinforcing bars 350... Are projected upward from the basic reinforcing bar 349 so as to surround the base portion of the column 344 connected to the anchor bolt 346. Under such circumstances, the concrete of the foundation blocks 347 and 348 is placed and solidified in a mold 352 projecting upward from below the ground 351 so as to be fixed in the reinforced concrete so as to include the base portion of the column 344. It is a thing. Reference numeral 354 denotes a reinforcing rib.

こうした基礎構造は図６、図７に示す三角形基礎（四辺形基礎その他でも同様に実施できる）の装置に適用されている。
すなわち、角型の基礎ブロック３４７上に丸柱型の据付突座３４８を一体にしたコンクリート内に支柱３４４を埋め込み固着してそれを３点配備するとともにこれらを地中梁３５５で相互連結してなるもので、津波流Ｘに対し埋め込み支柱であるので非常に強靭に抵抗するだけでなく図７の矢印のようにこれら津波流Ｘを分流化して脇に流す役目も果たす。右欄に示すように、据付突座３４８は角型でもよい。この場合、角稜は前に向けると分流化が確実になる。
尚、図８に示すように、平常時に支柱３４４の回りに腰を掛けて休めるようにしてもよい。すなわち、据付突座３４８を支柱３４４から半径Ｒ（４０ｃｍ前後）のもとに少し広く伸ばすとともに高さｈも座るに適した４０ｃｍ前後に特定したものである。こうしてやや大き目に据付突座３４８を設定することで津波流Ｘの分流化作用も確実になる。
上記埋め込み方式は、緩衝杭にも同様に適用することができる。Such a foundation structure is applied to the apparatus of the triangular foundation (which can be similarly implemented with a quadrilateral foundation or the like) shown in FIGS.
That is, the pillar 344 is embedded and fixed in the concrete in which the round pillar-shaped installation protrusion 348 is integrated on the square base block 347, and three of them are arranged, and these are interconnected by the underground beam 355. However, since it is an embedded strut with respect to the tsunami flow X, it not only very strongly resists, but also serves to divide the tsunami flow X as shown by the arrows in FIG. As shown in the right column, the installation protrusion 348 may be square. In this case, if the corner ridge is directed forward, diversion is ensured.
In addition, as shown in FIG. 8, you may make it rest by sitting around the support | pillar 344 at a normal time. In other words, the installation protrusion 348 is specified to be approximately 40 cm which extends from the support column 344 with a radius R (approximately 40 cm) and is suitable for sitting at a height h. By setting the installation protrusion 348 slightly larger in this way, the branching action of the tsunami flow X is also ensured.
The above-mentioned embedding method can be similarly applied to the buffer pile.

本発明の一実施形態を示す装置横断面図。  The apparatus cross-sectional view which shows one Embodiment of this invention. 図１のＬ−Ｌ線断面図。  The LL sectional view taken on the line of FIG. 他の実施形態を示す横断面図。  The cross-sectional view which shows other embodiment. 他の実施形態を示す図５のＭ−Ｍ線断面図。  The MM sectional view taken on the line of FIG. 5 which shows other embodiment. 図４の中央縦断面図。  The center longitudinal cross-sectional view of FIG. 図４，５の実施形態を３本支柱式避難装置に適用した例を示す横断面図。  FIG. 6 is a cross-sectional view showing an example in which the embodiment of FIGS. 4 and 5 is applied to a three-post evacuation device. 図６の横断面図。  FIG. 7 is a cross-sectional view of FIG. 6. 他の実施形態を示す側面図。  The side view which shows other embodiment.

３２７…主基礎ブロック ３２８…支柱 ３２９…主地中梁 ３３１…補助地中梁 ３３２…安定化用基礎ブロック。327 ... Main foundation block 328 ... Post 329 ... Main underground beam 331 ... Auxiliary underground beam 332 ... Foundation block for stabilization.

Claims (1)

基盤に３個所以上をもって打設された鉄筋コンクリート製主基礎ブロックと、これら主基礎ブロック間を地中を通じてつなぐ主地中梁と、前記主基礎ブロック上に立設固定された複数本の支柱と、これら複数本の支柱上に固定された避難ステージと、基盤側と避難ステージとの間を連絡する登降手段とを備え、前記主基礎ブロックのすべてのものには、基盤内を通じて避難装置外側方に向けて一体に張り出す補助地中梁が設けられている津波・洪水等の非常事態からの避難装置であって、前記補助地中梁は、Ｈ形や溝型などの溝付き型鋼でなっていてその溝を下向きにして設置されていることを特徴とする津波・洪水等の非常事態からの避難装置。A main foundation block made of reinforced concrete placed on the base with three or more locations, a main ground beam that connects the main base blocks through the ground, and a plurality of columns that are erected and fixed on the main base block; There are evacuation stages fixed on the plurality of support columns, and climbing means for communicating between the base side and the evacuation stage, and all of the main base blocks are located outside the evacuation device through the base. This is a evacuation device from an emergency such as a tsunami or flood that has an auxiliary underground beam that projects integrally toward the auxiliary underground beam, and the auxiliary underground beam is made of grooved steel such as H-shaped or groove-shaped. Evacuation device from emergency situations such as tsunami and flood, which is installed with the groove facing down .
JP2011038996A 2006-12-28 2011-02-07 Evacuation device from emergency such as tsunami and flood Expired - Fee Related JP5760208B2 (en)

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JP2005264721A (en) * 2002-12-30 2005-09-29 Fujiwara Sangyo Kk Evacuation apparatus to be used in the case of emergency such as tsunami and flood
JP4844913B2 (en) * 2004-03-19 2011-12-28 フジワラ産業株式会社 Evacuation device from tsunami
JP4835903B2 (en) * 2004-04-03 2011-12-14 有限会社フジカ Emergency protective device
JP2006083549A (en) * 2004-09-14 2006-03-30 Noda Tec:Kk Evacuation tower against tsumani
JP2006112087A (en) * 2004-10-13 2006-04-27 Kouchi Marutaka:Kk Elevated refuge place from tsunami
JP5028561B2 (en) * 2005-01-18 2012-09-19 有限会社フジカ Evacuation device
JP4431553B2 (en) * 2006-08-10 2010-03-17 株式会社オーティス 樋 Support tool gradient adjustment device

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