JP2002047637A - Stabilizing construction method and device for floating body structure - Google Patents
Stabilizing construction method and device for floating body structureInfo
- Publication number
- JP2002047637A JP2002047637A JP2000233455A JP2000233455A JP2002047637A JP 2002047637 A JP2002047637 A JP 2002047637A JP 2000233455 A JP2000233455 A JP 2000233455A JP 2000233455 A JP2000233455 A JP 2000233455A JP 2002047637 A JP2002047637 A JP 2002047637A
- Authority
- JP
- Japan
- Prior art keywords
- floating structure
- floating
- holding means
- water surface
- ground
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Landscapes
- Bridges Or Land Bridges (AREA)
- Revetment (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば、海上空港
や海上工業用地などの人工地盤、橋梁、特に浮上式人工
地盤等の浮体構造物の安定化工法および装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for stabilizing a floating structure such as an artificial ground and a bridge, particularly a floating artificial ground such as a marine airport and a marine industrial site.
【０００２】[0002]
【従来の技術】一般に、海、河川、湖沼、干潟などにお
ける埋め立て地業により空港や工業団地用地などが造成
されているが、特に不同沈下対策として長期に亘るメン
テナンスを必要とするだけでなく、土砂の掘削・運搬・
埋立てに伴う環境汚染等の問題もある。2. Description of the Related Art In general, land for airports and industrial parks is constructed by land reclamation in the sea, rivers, lakes, marshes, tidal flats, and the like. Excavation and transportation of earth and sand
There are also problems such as environmental pollution due to landfill.
【０００３】一方、海、河川、湖沼上に人工地盤を浮か
せて海上空港や海上工業用地などを構築したり、上記人
工地盤を支持杭により支持するものもある。前者のよう
に、水上に浮かせる人工地盤の場合には、図７（Ａ）に
示すように、波や風などにより水面Ｗが短時間のうちに
上下変動すると、人工地盤Ｄが船と同様に揺れるなどの
問題がある。また、後者のように、支持杭により支持さ
れる人工地盤の場合には、図７（Ｂ）に示すように、支
持地盤Ｇが沈下するとこれに伴って支持杭Ｐが下がって
上記人工地盤Ｄが水面Ｗ下に沈んだり、あるいは、水面
Ｗの変位（長期的な上下動）などにより、支持地盤Ｇと
水面Ｗとの距離が長期間に亘って変動すると、上記人工
地盤Ｄが水面Ｗ下に沈んだり水面Ｗ上に浮き上がってし
まう等の問題点があった。[0003] On the other hand, there is a type in which an artificial ground is floated on the sea, a river, a lake, or a marsh to construct a marine airport, a marine industrial site, or the like, or the artificial ground is supported by supporting piles. In the case of the artificial ground floating on the water as in the former case, as shown in FIG. 7A, when the water surface W fluctuates up and down in a short time due to waves, wind, etc., the artificial ground D becomes similar to the ship. There are problems such as shaking. Further, in the case of the artificial ground supported by the support pile as in the latter, as shown in FIG. 7B, when the support ground G sinks, the support pile P lowers along with this and the artificial ground D When the distance between the supporting ground G and the water surface W fluctuates over a long period of time due to sinking below the water surface W or displacement of the water surface W (long-term vertical movement), the artificial ground D moves below the water surface W. There are problems such as sinking in water or floating on the water surface W.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、上記従来の
問題点を解決するためになされたもので、その目的とす
るところは、支持地盤の（不同）沈下や長期に亘る水位
の変動による影響や、波動による揺れのない浮体構造物
の安定化工法および装置を提供することにある。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to solve the problem of (differential) settlement of a supporting ground and fluctuation of water level over a long period of time. It is an object of the present invention to provide a method and an apparatus for stabilizing a floating structure which are free from influence and sway due to wave motion.
【０００５】[0005]
【課題を解決するための手段】本発明の浮体構造物の安
定化工法は、水面上に浮体構造物を浮設すると共に、該
水面とその下方の支持地盤との相対的距離が長期的に変
動するものにおいて、上記支持地盤に保持手段を定着せ
しめると共に、該保持手段と上記浮体構造物とを運動減
衰手段を介して接合し、上記浮体構造物の短期的な変動
あるいは上記水面と支持地盤との相対距離の長期的な変
動に対して、上記浮体構造物を安定して浮設するように
したことを特徴とする。また、上記支持地盤上に堆積し
た軟弱地盤中にプール構造体を構築して、その内部に液
体を湛えると共に上記浮体構造物を浮設し、該プール構
造体の底部に上記保持手段を定着せしめたことも特徴と
するものである。SUMMARY OF THE INVENTION According to the method of stabilizing a floating structure of the present invention, a floating structure is floated on a water surface, and a relative distance between the water surface and a supporting ground under the water surface is long. In the case of fluctuation, the holding means is fixed to the supporting ground, and the holding means and the floating structure are joined via a motion damping means, so that the floating structure is short-term changed or the water surface and the supporting ground are fixed. The floating structure is stably suspended against a long-term variation in the relative distance from the floating structure. Further, a pool structure is constructed in the soft ground deposited on the supporting ground, the liquid is filled therein and the floating structure is floated, and the holding means is fixed to the bottom of the pool structure. It is also a feature.
【０００６】[0006]
【課題を解決するための手段】また、本発明の浮体構造
物の安定化装置は、水面とその下方の支持地盤との相対
的距離が変動するものにおいて、上記水面上に浮設され
る浮体構造物と、該浮体構造の下方の支持地盤に定着さ
れる保持手段と、該保持手段と上記浮体構造物との間に
介在して設けられる運動減衰手段と、から構成されるこ
とを特徴とする。また、上記保持手段が、杭などの長尺
状剛構造部材であることも特徴とする。さらに、上記保
持手段が、上記支持地盤に定着されるアンカー部材と、
上記浮体構造物との間に上記運動減衰手段を介して接続
されるピストン部材と、これらアンカー部材とピストン
部材を連結する係留ケーブルなどの索条部材であること
も特徴とする。又更に、上記運動減衰手段が、アスファ
ルト等の粘弾性材であることも特徴とする。更に又、上
記運動減衰手段が、粘性流体や（海）水などの流体を少
しづつ流通せしめることが可能なポートを有するダンパ
ー装置であることも特徴とする。また、上記浮体構造物
が、軟弱地盤中に構築されるプール構造体内湛えた液体
に浮設されると共に、上記保持手段が上記プール構造体
の底部に定着されることも特徴とする。さらに、上記保
持手段の間にブレースを設けて、該ブレースに運動減衰
手段を設けたことも特徴とするものである。According to another aspect of the present invention, there is provided a stabilizing apparatus for a floating structure, in which a relative distance between a water surface and a supporting ground below the water surface fluctuates. And a holding means fixed to a supporting ground below the floating structure, and a motion damping means provided between the holding means and the floating structure. I do. Further, the holding means is a long rigid structural member such as a pile. Further, the holding means is an anchor member fixed to the support ground,
It is also characterized by a piston member connected to the floating structure via the motion damping means, and a cable member such as a mooring cable connecting the anchor member and the piston member. Still further, the motion damping means is a viscoelastic material such as asphalt. Still further, the motion damping means is a damper device having a port through which a fluid such as a viscous fluid or (sea) water can gradually flow. Further, the floating structure is floated on a liquid filled in a pool structure constructed in soft ground, and the holding means is fixed to a bottom of the pool structure. Further, a brace is provided between the holding means, and the brace is provided with a motion damping means.
【０００７】[0007]
【発明の実施の形態】以下、本発明の実施の形態につい
て、図面を参照しながら説明する。図１（Ａ）におい
て、１は浮体構造物であって、水面２上に浮いている。
該浮体構造物１は、例えば、本実施例のように上部建造
物３などを構築する場合には、これを支持するのに十分
な強度の構造物であって、しかも、該浮体構造物１自身
および上部建造物３など全体の荷重に対抗する浮力を生
じさせる材料・構造のものであれば、いずれでもよく、
本実施例に限定するものではない。なお、上記上部建造
物３は、本発明の浮体構造物にとって必須ものもではな
く、上記浮体構造物１の利用態様もさまざまなものがあ
り、特に限定するものではない。従って、本発明の浮体
構造物には、水上建築物や桟橋などの水上建造物も含ま
れる。Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1A, reference numeral 1 denotes a floating structure, which is floating on a water surface 2.
For example, when constructing the upper building 3 or the like as in the present embodiment, the floating structure 1 is a structure having sufficient strength to support it, and furthermore, the floating structure 1 Any material or structure that generates buoyancy against the entire load, such as itself and the upper building 3, may be used.
The present invention is not limited to this embodiment. The upper building 3 is not essential for the floating structure of the present invention, and the floating structure 1 can be used in various modes, and is not particularly limited. Therefore, the floating structure of the present invention includes a floating building such as a floating building or a pier.
【０００８】４は水底の支持地盤であって、該支持地盤
４には、鋼管杭５などの保持手段の下部が定着されてい
る。また、本発明の保持手段としては、上記鋼管杭５に
限定するものではなく、上記浮体構造物１を上記支持地
盤４に保持し得るものであれば、他の杭構造物などの長
尺状剛構造部材あるいは後述する係留ケーブルなどの索
条部材など、いずれでもよい。上記鋼管杭５の上部は、
アスファルト６などの粘弾性材を介して、上記浮体構造
物１に接合されている。Reference numeral 4 denotes a supporting ground at the bottom of the water, and a lower portion of a holding means such as a steel pipe pile 5 is fixed to the supporting ground 4. In addition, the holding means of the present invention is not limited to the steel pipe pile 5, but may be any other long structure such as another pile structure as long as it can hold the floating structure 1 on the support ground 4. Any of a rigid structure member and a cable member such as a mooring cable described below may be used. The upper part of the steel pipe pile 5
It is joined to the floating structure 1 via a viscoelastic material such as asphalt 6.
【０００９】図１（Ｂ）および（Ｃ）は、上記浮体構造
物１と鋼管杭５の接合部を拡大して示すもので、上記浮
体構造物１にシリンダー状穴１ａを下方に向けて開設す
ると共に、該シリンダー状穴１ａ内に上記鋼管杭５の上
端部５ａを挿設し、これれら鋼管杭５の上端部５ａと上
記シリンダー状穴１ａの間にアスファルト６を充填する
ことにより両者を接合している。なお、該アスファルト
６は、必ずしも本実施例のように筒状に充填する必要は
なく、要するに、上記浮体構造物１と上記鋼管杭５の間
に介在していればいずれの態様でもよい。７は、上記シ
リンダー状穴１ａの内面に固着されている外部鋼管であ
り、その内面が上記アスファルト６に接合している。こ
の外部鋼管７は必須のものではなく、アスファルト６を
上記シリンダー状穴１ａの壁面に直接接合させてもよ
い。FIGS. 1 (B) and 1 (C) are enlarged views of a joint between the floating structure 1 and the steel pipe pile 5, and a cylindrical hole 1a is opened in the floating structure 1 downward. At the same time, the upper end 5a of the steel pipe pile 5 is inserted into the cylindrical hole 1a, and the asphalt 6 is filled between the upper end 5a of the steel pipe pile 5 and the cylindrical hole 1a. Are joined. The asphalt 6 does not necessarily need to be filled in a cylindrical shape as in the present embodiment, but may be in any form as long as it is interposed between the floating structure 1 and the steel pipe pile 5. Reference numeral 7 denotes an outer steel pipe fixed to the inner surface of the cylindrical hole 1a, and the inner surface is joined to the asphalt 6. The outer steel pipe 7 is not essential, and the asphalt 6 may be directly joined to the wall surface of the cylindrical hole 1a.
【００１０】上記アスファルト６のような粘弾性材は、
固体と流動体の両性質を有するため、短期的な変動荷重
に対しては固体のような性質を発揮して、この変動加重
に抵抗し、一方、長期的な変動荷重に対しては流動体の
ような性質を発揮して無抵抗となる。従って、図２に示
すように、上記浮体構造物１が水面２の波動による短期
的な上下動を受けても、上記アスファルト６がこれに抵
抗するので、上下動は上記鋼管杭５に伝達される。さら
に、該鋼管杭５は支持地盤４に定着されているので、上
記浮体構造物１の上記短期的な上下動は、最終的に、上
記支持地盤４により阻止されることになる。The viscoelastic material such as the asphalt 6 is
Because it has both solid and fluid properties, it exhibits solid-like properties against short-term fluctuating loads and resists this fluctuating load, while fluid It exhibits no resistance and has no resistance. Therefore, as shown in FIG. 2, even if the floating structure 1 receives a short-term vertical movement due to the wave motion of the water surface 2, the asphalt 6 resists the vertical movement, and the vertical movement is transmitted to the steel pipe pile 5. You. Further, since the steel pipe pile 5 is fixed to the support ground 4, the short-term vertical movement of the floating structure 1 is finally stopped by the support ground 4.
【００１１】また、図３に示すように、上記支持地盤４
が不同沈下（単なる沈下であってもよい）すると、これ
に定着されている各鋼管杭５（本実施例では４本）がこ
れに伴って下方に移動する。一方、上記浮体構造物１が
浮力を受けている水面２は変化しない。その結果、上記
浮体構造物１に対して上記鋼管杭５が下方への変動力を
受ける。上記沈下は長期間に亘って行われるため、上記
鋼管杭５の下方への変動荷重は長期的なものであり、上
記アスファルト６はこれに抵抗することはなく、各鋼管
杭５の下方への移動を許すことになる。Further, as shown in FIG.
Is settled (may be simply settled), the steel pipe piles 5 fixed in this (four in this embodiment) move downward accordingly. On the other hand, the water surface 2 on which the floating structure 1 receives buoyancy does not change. As a result, the steel pipe pile 5 receives a downward fluctuating force with respect to the floating structure 1. Since the settlement is performed over a long period of time, the fluctuating load downward on the steel pipe pile 5 is long-term, and the asphalt 6 does not resist the downward load, and the asphalt 6 does not resist the downward movement of each steel pipe pile 5. You will be allowed to move.
【００１２】図４（Ａ）は、本発明の運動減衰手段の別
の実施例を示すもので、上記鋼管杭５の上端部にピスト
ン５ｂを設けて、該ピストン５ｂにポート（小さな孔）
５ｃを形成したダンパー装置が設けられている。従っ
て、上記浮体構造物１と上記鋼管杭５の上下方向の相対
移動に伴って、シリンダー状孔１ａ内に充填されている
流体（オイル等の粘性流体、水など）が上記ポート５ｃ
を通って移動するようになっている。従って、上記相対
移動が短期的な場合には、上記ポート５ｃを流体が急激
に流れることができないため、事実上、ロックされた状
態となる。一方、上記相対移動が長い時間をかけて行わ
れると、上記ポート５ｃを流体がゆっくりと流れること
ができ、相対移動が行われる。上記流体が水である場合
には、浮体構造物１を浮かせている海水等の水であって
もよい。FIG. 4A shows another embodiment of the motion damping means of the present invention. A piston 5b is provided at the upper end of the steel pipe pile 5, and a port (small hole) is provided in the piston 5b.
A damper device formed with 5c is provided. Accordingly, with the vertical movement of the floating structure 1 and the steel pipe pile 5 in the vertical direction, the fluid (a viscous fluid such as oil, water, etc.) filled in the cylindrical hole 1a is filled with the port 5c.
It is designed to move through. Therefore, when the relative movement is short-term, the fluid cannot flow rapidly through the port 5c, so that the port 5c is effectively locked. On the other hand, when the relative movement is performed over a long time, the fluid can flow slowly through the port 5c, and the relative movement is performed. When the fluid is water, it may be water such as seawater floating the floating structure 1.
【００１３】図４（Ｂ）は上記図４（Ａ）のダンパー装
置の改変例を示すもので、本発明の保持手段としての鋼
管杭５の端部にポート５ｃを形成した構造となってい
て、このポート５ｃを水が通過するようになっていて、
その作用については、上記図４（Ａ）の実施例と同じで
ある。この水は、浮体構造物１を浮かせている海水等の
水を利用するのが好ましい。FIG. 4B shows a modification of the damper device shown in FIG. 4A, in which a port 5c is formed at an end of a steel pipe pile 5 as a holding means of the present invention. , Water passes through this port 5c,
The operation is the same as that of the embodiment of FIG. As the water, it is preferable to use water such as seawater floating the floating structure 1.
【００１４】再び、図１において、上記鋼管杭５の間に
はブレース５′が設けられている。本実施例のブレース
５′は棒鋼材などの引張材により構成されているが、圧
縮に抵抗する部材により構成してもよい。上記ブレース
５′には運動減衰手段６′が設けられていて、ブレース
５′の短期的な引張力には抵抗し、長期的な引張力に対
してはブレース５′が伸びるようになっている。ブレー
ス５′が圧縮材により構成されている場合には、圧縮力
にたいしても同様の挙動を示す。上記運動減衰手段６′
は、例えば、図４（Ｃ）に示すように、上記アスファル
ト６を介挿した運動減衰構造であったり、図４（Ｄ）あ
るいは（Ｅ）に示すように、ダンパー装置から成る運動
減衰構造である。Referring again to FIG. 1, a brace 5 'is provided between the steel pipe piles 5. Although the brace 5 'of this embodiment is made of a tensile material such as a steel bar, it may be made of a member that resists compression. The brace 5 'is provided with a motion damping means 6' so that the brace 5 'resists a short-term pulling force and the brace 5' extends with a long-term pulling force. . When the brace 5 'is made of a compressed material, the same behavior is exhibited with respect to the compressive force. The motion damping means 6 '
For example, as shown in FIG. 4 (C), a motion damping structure in which the asphalt 6 is interposed, or a motion damping structure including a damper device as shown in FIG. 4 (D) or (E). is there.
【００１５】図５は、上記浮体構造物１のシリンダー状
孔１ａに上記アスファルト６等の粘弾性材を介してピス
トン部材８を設けると共に、上記支持地盤４にアンカー
部材９を定着させて、これらのピストン部材８とアンカ
ー部材９を係留ケーブル１０で繋いで構成している。従
って、支持地盤４が沈下すると、上記係留ケーブル１０
を通じてピストン部材８が長期間に亘って下方に引っ張
られ、アスファルト６が流動して上記ピストン部材８が
移動する。本実施例は、支持杭を構築する必要がないた
め、建設コストを安くすることができる。FIG. 5 shows that the piston member 8 is provided in the cylindrical hole 1a of the floating body structure 1 through the viscoelastic material such as the asphalt 6 and the anchor member 9 is fixed on the support ground 4, and The piston member 8 and the anchor member 9 are connected by a mooring cable 10. Therefore, when the supporting ground 4 sinks, the mooring cable 10
, The piston member 8 is pulled downward for a long period of time, the asphalt 6 flows, and the piston member 8 moves. In this embodiment, since it is not necessary to construct the support pile, the construction cost can be reduced.
【００１６】図６は、沼や干潟などの軟弱地盤上に人工
地盤等を構築する場合の実施例を示すもので、軟弱地盤
４′にプール構造物１１を構築すると共に、該プール構
造物１１内に液体１２を湛え、該液体１２に浮体構造物
１を浮かべて構成されている。上記プール構造物１１の
底面には鋼管杭１３を植設して、その上端部をアスファ
ルト６等の粘弾性材を介して上記浮体構造物１に接合す
る。本実施例では、沼地や干潟や臨海埋立地や液状化の
可能性のある場所などの軟弱な地盤に建造物を構築する
場合に好適である。FIG. 6 shows an embodiment in which an artificial ground or the like is constructed on a soft ground such as a swamp or a tidal flat. The pool structure 11 is constructed on the soft ground 4 'and the pool structure 11 is constructed. A liquid 12 is filled therein, and the floating structure 1 is floated on the liquid 12. A steel pipe pile 13 is planted on the bottom surface of the pool structure 11, and the upper end thereof is joined to the floating structure 1 via a viscoelastic material such as asphalt 6. The present embodiment is suitable for constructing a building on soft ground such as a swamp, a tidal flat, a seaside landfill, or a place where liquefaction may occur.
【００１７】[0017]
【発明の効果】１）支持地盤の（不同）沈下や長期に亘
る水位の変動による影響や、波動による揺れのない安定
した浮体構造物を提供することができる。 ２）ジャッキアップにより浮力の調整をすることで、水
面からの距離を変化させることができる極めて安定した
浮体構造物を構築することができる。 ３）２４時間稼働が可能な海上空港や、生活環境との距
離を確保できる海上工業団地などの大規模な浮体構造物
を実現できる。According to the present invention, it is possible to provide a stable floating structure which is free from the (uneven) subsidence of the supporting ground, the fluctuation of the water level over a long period of time, and the shaking caused by the wave. 2) By adjusting the buoyancy by jacking up, an extremely stable floating structure capable of changing the distance from the water surface can be constructed. 3) Large-scale floating structures such as a marine airport that can operate 24 hours a day and a marine industrial park that can secure a distance from the living environment can be realized.
【図１】本発明の一実施例を示す説明図（Ａ）、その要
部の拡大図（Ｂ）、（Ｂ）のイ−イ拡大断面図（Ｃ）で
ある。FIG. 1 is an explanatory view (A) showing an embodiment of the present invention, an enlarged view (B) of an essential part thereof, and an enlarged sectional view (C) of FIG.
【図２】図１の実施例の作用説明図である。FIG. 2 is an operation explanatory view of the embodiment of FIG. 1;
【図３】図１の実施例の作用説明図である。FIG. 3 is an operation explanatory view of the embodiment of FIG. 1;
【図４】本発明の運動減衰手段の別の実施例をそれぞれ
示す説明図（Ａ）（Ｂ）である。FIGS. 4A and 4B are explanatory views (A) and (B) showing another embodiment of the motion damping means of the present invention.
【図５】本発明の別の実施例を示す説明図である。FIG. 5 is an explanatory view showing another embodiment of the present invention.
【図６】本発明の更に別の実施例を示す説明図である。FIG. 6 is an explanatory view showing still another embodiment of the present invention.
【図７】従来の浮体構造物の説明図である。FIG. 7 is an explanatory view of a conventional floating structure.
１ 浮体構造物 １ａ シリンダー状穴 ２ 水面 ３ 上部建造物 ４ 支持地盤 ４′軟弱地盤 ５ 鋼管杭 ５′ブレース ５ａ 上端部 ５ｂ ピストン ５ｃ ポート ６ アスファルト ６′運動減衰手段 ７ 外部鋼管 ８ ピストン部材 ９ アンカー部材 １０ 係留ケーブル １１ プール構造物 １２ 液体 １３ 鋼管杭 DESCRIPTION OF SYMBOLS 1 Floating structure 1a Cylindrical hole 2 Water surface 3 Upper building 4 Support ground 4 'Soft ground 5 Steel pipe pile 5' Brace 5a Upper end 5b Piston 5c Port 6 Asphalt 6 'Motion damping means 7 External steel pipe 8 Piston member 9 Anchor member DESCRIPTION OF SYMBOLS 10 Mooring cable 11 Pool structure 12 Liquid 13 Steel pipe pile
Claims (9)
該水面とその下方の支持地盤との相対的距離が長期的に
変動するものにおいて、上記支持地盤に保持手段を定着
せしめると共に、該保持手段と上記浮体構造物とを運動
減衰手段を介して接合し、上記浮体構造物の短期的な変
動あるいは上記水面と支持地盤との相対距離の長期的な
変動に対して、上記浮体構造物を安定して浮設するよう
にしたことを特徴とする浮体構造物の安定化工法。1. Floating a floating structure on the water surface,
In the case where the relative distance between the water surface and the supporting ground under the water fluctuates for a long time, holding means is fixed to the supporting ground, and the holding means and the floating structure are joined via a motion damping means. The floating structure is characterized in that the floating structure is stably suspended in response to a short-term fluctuation of the floating structure or a long-term fluctuation of a relative distance between the water surface and the supporting ground. Structure stabilization method.
プール構造体を構築して、その内部に液体を湛えると共
に上記浮体構造物を浮設し、該プール構造体の底部に上
記保持手段を定着せしめたことを特徴とする請求項１に
記載の浮体構造物の安定化工法。2. A pool structure is constructed in a soft ground deposited on the supporting ground, and a liquid is filled therein and the floating structure is floated. The holding means is provided at the bottom of the pool structure. 2. The method for stabilizing a floating structure according to claim 1, wherein the fixing is performed.
離が変動するものにおいて、上記水面上に浮設される浮
体構造物と、該浮体構造の下方の支持地盤に定着される
保持手段と、該保持手段と上記浮体構造物との間に介在
して設けられる運動減衰手段と、から構成されることを
特徴とする浮体構造物の安定化装置。3. A floating structure floating on the water surface, wherein the relative distance between the water surface and a supporting ground below the water surface varies, and holding means fixed to the supporting ground below the floating structure. And a motion damping means provided between the holding means and the floating body structure.
部材であることを特徴とする請求項３に記載の浮体構造
物の安定化装置。4. The apparatus for stabilizing a floating structure according to claim 3, wherein the holding means is a long rigid structural member such as a pile.
れるアンカー部材と、上記浮体構造物との間に上記運動
減衰手段を介して接続されるピストン部材と、これらア
ンカー部材とピストン部材を連結する係留ケーブルなど
の索条部材であることを特徴とする請求項３に記載の浮
体構造物の安定化装置。5. A holding member comprising: an anchor member fixed to the supporting ground; a piston member connected to the floating structure via the motion damping means; and an anchor member and a piston member. The stabilizing device for a floating structure according to claim 3, wherein the device is a cable member such as a mooring cable to be connected.
粘弾性材であることを特徴とする請求項３、４または５
に記載の浮体構造物の安定化装置。6. The motion damping means is a viscoelastic material such as asphalt.
A stabilizing device for a floating structure according to Claim 1.
水などの流体を少しづつ流通せしめることが可能なポー
トを有するダンパー装置であることを特徴とする請求項
３、４または５に記載の浮体構造物の安定化装置。7. The motion damping means may be a viscous fluid or (sea)
The stabilizing device for a floating structure according to claim 3, 4 or 5, which is a damper device having a port through which a fluid such as water can flow little by little.
れるプール構造体内湛えた液体に浮設されると共に、上
記保持手段が上記プール構造体の底部に定着されること
を特徴とする請求項３、４、５、６または７に記載の浮
体構造物の安定化装置。8. The floating structure is floated on a liquid immersed in a pool structure constructed in soft ground, and the holding means is fixed to a bottom of the pool structure. The stabilizing device for a floating structure according to claim 3, 4, 5, 6, or 7.
該ブレースに運動減衰手段を設けたことを特徴とする請
求項３、４、５、６、７または８に記載の浮体構造物の
安定化装置。9. A brace is provided between said holding means,
The stabilizing device for a floating structure according to claim 3, wherein the brace is provided with a motion damping means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000233455A JP4702986B2 (en) | 2000-08-01 | 2000-08-01 | Floating structure stabilization method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000233455A JP4702986B2 (en) | 2000-08-01 | 2000-08-01 | Floating structure stabilization method and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002047637A true JP2002047637A (en) | 2002-02-15 |
| JP4702986B2 JP4702986B2 (en) | 2011-06-15 |
Family
ID=18725972
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000233455A Expired - Fee Related JP4702986B2 (en) | 2000-08-01 | 2000-08-01 | Floating structure stabilization method and equipment |
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| Country | Link |
|---|---|
| JP (1) | JP4702986B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011145974A1 (en) * | 2010-05-18 | 2011-11-24 | Lushnikov Andrey Vladimirovich | Parking vessel |
| CN104499456A (en) * | 2014-12-11 | 2015-04-08 | 上海中交水运设计研究有限公司 | Multifunctional urban yacht marina |
| CN105947131A (en) * | 2016-05-26 | 2016-09-21 | 中铁上海工程局集团有限公司 | Movable steel pipe inserting-piling anchoring type drilling floating construction platform and construction method thereof |
| KR20170087873A (en) * | 2014-11-27 | 2017-07-31 | 그래비플로트 에이에스 | Sea bed terminal for offshore activities |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480922B (en) * | 2014-11-05 | 2016-01-20 | 广州市恒盛建设工程有限公司 | Space truss formwork system and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01198923A (en) * | 1988-02-03 | 1989-08-10 | Mitsubishi Heavy Ind Ltd | Floating body type aseismatic structure |
| JPH04111810A (en) * | 1990-08-30 | 1992-04-13 | Shimizu Corp | Underwater earthquake-isolating method and structure |
| JPH10266158A (en) * | 1997-03-25 | 1998-10-06 | Shimizu Corp | Floating wave-absorbing dyke |
| JPH11153184A (en) * | 1997-11-21 | 1999-06-08 | Mitsubishi Heavy Ind Ltd | Floating type base isolation building |
| JPH11229350A (en) * | 1998-02-13 | 1999-08-24 | Penta Ocean Constr Co Ltd | Floating breakwater |
-
2000
- 2000-08-01 JP JP2000233455A patent/JP4702986B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01198923A (en) * | 1988-02-03 | 1989-08-10 | Mitsubishi Heavy Ind Ltd | Floating body type aseismatic structure |
| JPH04111810A (en) * | 1990-08-30 | 1992-04-13 | Shimizu Corp | Underwater earthquake-isolating method and structure |
| JPH10266158A (en) * | 1997-03-25 | 1998-10-06 | Shimizu Corp | Floating wave-absorbing dyke |
| JPH11153184A (en) * | 1997-11-21 | 1999-06-08 | Mitsubishi Heavy Ind Ltd | Floating type base isolation building |
| JPH11229350A (en) * | 1998-02-13 | 1999-08-24 | Penta Ocean Constr Co Ltd | Floating breakwater |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011145974A1 (en) * | 2010-05-18 | 2011-11-24 | Lushnikov Andrey Vladimirovich | Parking vessel |
| KR20170087873A (en) * | 2014-11-27 | 2017-07-31 | 그래비플로트 에이에스 | Sea bed terminal for offshore activities |
| KR102263254B1 (en) | 2014-11-27 | 2021-06-11 | 그래비플로트 에이에스 | Sea bed terminal for offshore activities |
| CN104499456A (en) * | 2014-12-11 | 2015-04-08 | 上海中交水运设计研究有限公司 | Multifunctional urban yacht marina |
| CN105947131A (en) * | 2016-05-26 | 2016-09-21 | 中铁上海工程局集团有限公司 | Movable steel pipe inserting-piling anchoring type drilling floating construction platform and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4702986B2 (en) | 2011-06-15 |
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