JP2002294653A - Member and method for constructing of structure on the water - Google Patents
Member and method for constructing of structure on the waterInfo
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- JP2002294653A JP2002294653A JP2001103801A JP2001103801A JP2002294653A JP 2002294653 A JP2002294653 A JP 2002294653A JP 2001103801 A JP2001103801 A JP 2001103801A JP 2001103801 A JP2001103801 A JP 2001103801A JP 2002294653 A JP2002294653 A JP 2002294653A
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- pile
- precast girder
- construction
- holes
- precast
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は水上構造物の構築部
材と構築方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction member and a construction method for a floating structure.
【０００２】[0002]
【従来の技術】桟橋などの水上構造物を構築する場合
に、構造物の支持を斜杭によって行なう方法が採用され
ている。このような斜杭は、波浪による水平力を周囲か
ら受ける構造物を支持する方法として有利である。また
コンクリート製の上部工において、現場施工効率を高め
るためにプレキャスト桁を使用することがあるが、従来
は杭を先行打設し、杭頭部のコンクリートを現場打設し
てからプレキャスト桁で接続する方法を採用していた。2. Description of the Related Art When a floating structure such as a pier is constructed, a method is employed in which the structure is supported by slant piles. Such a slanted pile is advantageous as a method of supporting a structure that receives horizontal force from waves from the surroundings. Precast girders are sometimes used in concrete superstructures to increase construction efficiency.However, in the past, piles were cast in advance, concrete at the head of the pile was cast in situ, and then connected with precast girders. Had to adopt the method.
【０００３】[0003]
【発明が解決しようとする課題】しかし、前記したよう
な斜杭を利用する方法は、正確な角度で打設しにくいと
いう問題があった。特に波浪の影響の大きい海洋構造物
においては、打設船の動揺もあり、打設効率の悪い方法
であった。また現場打ちコンクリートの施工部が多くな
り、工期、工費が大きくかかる方法であった。However, the method using the slant pile as described above has a problem in that it is difficult to cast at an accurate angle. Particularly, in the case of marine structures that are greatly affected by waves, the method of casting is inefficient due to the shaking of the casting vessel. In addition, the number of construction parts for cast-in-place concrete increased, and this method required a large construction period and cost.
【０００４】[0004]
【本発明の目的】本発明は、上記のような問題を解決す
るためになされたもので、正確な角度で効率よく斜杭を
打設して、短い工期で強固な水上構造物を得ることがで
きる、水上構造物の構築部材と構築方法を提供すること
を目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to obtain a strong floating structure with a short construction period by efficiently installing a slant pile at an accurate angle. It is an object of the present invention to provide a construction member and a construction method for a floating structure that can be used.
【０００５】[0005]
【課題を解決するための手段】上記のような目的を達成
するために本発明の水上構造物の構築部材は、一定の長
さを有するプレキャスト桁であって、プレキャスト桁に
は、杭を貫通する貫通孔を複数個所に開口し、この貫通
孔はプレキャスト桁を水平に設置した際に鉛直でない角
度になるように形成した、水上構造物の構築部材であ
る。In order to achieve the above-mentioned object, a construction member for a floating structure according to the present invention is a precast girder having a fixed length, wherein a pile is penetrated by a precast girder. The through-hole is formed at a plurality of locations, and this through-hole is a construction member for a water-borne structure, which is formed so as to have a non-vertical angle when the precast girder is installed horizontally.
【０００６】上記のような目的を達成するために本発明
の水上構造物の構築部材は、一定の長さを有するプレキ
ャスト桁であって、プレキャスト桁には、杭を貫通する
貫通孔を複数個所に開口し、この貫通孔はプレキャスト
桁を水平に設置した際に鉛直でない角度になるように形
成し、少なくともその側面に、鋼製の梁を沿わせて補強
した、水上構造物の構築部材である。In order to achieve the above object, a construction member for a floating structure according to the present invention is a precast girder having a predetermined length, and the precast girder has a plurality of through holes penetrating through a pile. The through-hole is formed at a non-vertical angle when the precast girder is installed horizontally, and is reinforced at least on its side with a steel beam along it. is there.
【０００７】さらに本発明の水上構造物の構築方法は、
一定の長さを有するプレキャスト桁であって、プレキャ
スト桁には、杭を貫通する貫通孔を複数個所に開口し、
この貫通孔はプレキャスト桁を水平に設置した際に鉛直
でない角度になるように形成し少なくともその側面に、
鋼製の梁を沿わせて補強した構築部材を使用し、水底に
鉛直に複数本の直杭を打設し、打設した複数本の直杭
に、前記の構築部材を設置し、その後に、構築部材の貫
通孔をガイドにして、新たな斜杭を打設して行なう、水
上構造物の構築方法である。Further, the method for constructing a floating structure according to the present invention comprises:
Precast girder having a certain length, in the precast girder, a plurality of through holes that penetrate the pile is opened,
This through hole is formed so that it becomes a non-vertical angle when the precast girder is installed horizontally, at least on its side,
Using a building member reinforced along a steel beam, placing a plurality of straight piles vertically on the water bottom, installing the building member on the plurality of straight piles placed, and thereafter A method for constructing a floating structure, wherein a new inclined pile is driven by using a through hole of a construction member as a guide.
【０００８】さらに本発明の水上構造物の構築方法は、
一定の長さを有するプレキャスト桁であって、プレキャ
スト桁には、杭を貫通する貫通孔を複数個所に開口し、
この貫通孔はプレキャスト桁を水平に設置した際に鉛直
でない角度になるように形成し、少なくともその側面
に、鋼製の梁を沿わせて補強した構築部材を使用し、水
底に鉛直に複数本の直杭を打設し、打設した複数本の直
杭に、前記の構築部材を設置し、その後に、構築部材の
貫通孔をガイドにして、新たな斜杭を打設して構築部材
を設置し、同様の工程によって複数本の構築部材を設置
した後、隣接する構築部材の間に床面を形成する水上構
造物の構築方法である。Further, the method for constructing a floating structure according to the present invention comprises:
Precast girder having a certain length, in the precast girder, a plurality of through holes that penetrate the pile is opened,
This through-hole is formed so that the precast girder is at an angle that is not vertical when installed horizontally, and at least on its side, using a structural member reinforced with steel beams, and a plurality of vertical The above-mentioned construction member is installed on the plurality of straight piles that have been cast, and thereafter, a new oblique pile is driven by using the through hole of the construction member as a guide. Is installed, a plurality of building members are installed in a similar process, and then a floor structure is formed between adjacent building members.
【０００９】[0009]
【発明の実施の形態】以下図面にもとづいて本発明の一
実施例を説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１０】＜イ＞構築部材。 まず、本発明の構築方法に使用する構築部材１について
説明する。この構築部材１は、一定の長さを有するプレ
キャスト桁によって構成する。そしてこのプレキャスト
桁には、複数箇所に傾斜貫通孔１１を開口する。傾斜貫
通孔１１は、プレキャスト桁の面と直交しない角度、す
なわちプレキャスト桁を水平に設置した場合に鉛直でな
い角度になるように形成する。傾斜貫通孔１１を、プレ
キャスト桁を水平に設置した場合に鉛直でない角度にな
るように形成するのは、後述する斜杭２を打設する際に
傾斜貫通孔１１を貫通させて、斜杭２の打設角度のガイ
ドとして利用するためである。このように傾斜貫通孔１
１をガイドにして杭を打設すれば、正確な角度、方向の
斜杭２を迅速に打設することができる。<A> Construction members. First, the construction member 1 used in the construction method of the present invention will be described. This construction member 1 is constituted by a precast girder having a fixed length. The precast girder has inclined through holes 11 at a plurality of locations. The inclined through hole 11 is formed so as to have an angle that is not orthogonal to the plane of the precast girder, that is, an angle that is not vertical when the precast girder is installed horizontally. The reason why the inclined through hole 11 is formed so as to have a non-vertical angle when the precast girder is installed horizontally is to penetrate the inclined through hole 11 when driving the inclined pile 2 described later, This is because it is used as a guide of the casting angle. Thus, the inclined through hole 1
If the pile is driven by using 1 as a guide, the inclined pile 2 having an accurate angle and direction can be quickly driven.
【００１１】＜ロ＞鋼製補強梁。 プレキャスト桁よりなる構築部材１には、少なくともそ
の側面、あるいは上下面に、鋼製の補強梁５を沿わせて
補強する。プレキャストコンクリートで製造した構築部
材１の両側に、鋼製補強梁５を沿わせることで、強度を
大きく向上させることができる。鋼製補強梁５は、例え
ば市場で容易に入手できる簡易なトラスを組み合わせて
簡単に形成することができる。構築部材１の両側に沿わ
せた鋼製補強梁５は、その上部を構築部材１を横断する
鋼製横断桁５１で連結して両側の鋼製補強梁５を一体化
する。また、鋼製補強梁５および鋼製横断梁５１は、構
築部材１とボルトなどで連結し、構築部材１を十分に補
強できる構造とする。なお、鋼製補強梁５は、繰り返し
転用することができる。<B> A steel reinforcing beam. The structural member 1 made of a precast girder is reinforced along at least the side surfaces or upper and lower surfaces thereof with a steel reinforcing beam 5. By arranging the steel reinforcing beams 5 on both sides of the building member 1 made of precast concrete, the strength can be greatly improved. The steel reinforcing beam 5 can be easily formed by combining, for example, a simple truss that is easily available on the market. The steel reinforcing beams 5 along the both sides of the structural member 1 are connected at their upper parts by steel cross beams 51 crossing the structural member 1 to integrate the steel reinforcing beams 5 on both sides. Further, the steel reinforcing beam 5 and the steel transverse beam 51 are connected to the building member 1 with bolts or the like, and have a structure capable of sufficiently reinforcing the building member 1. In addition, the steel reinforcing beam 5 can be diverted repeatedly.
【００１２】＜ハ＞直杭３の打設。 水上構造物を構築する位置に、複数本の直杭３を打設す
る。直杭３の打設位置、打設間隔は、前記の構築部材１
の配置や寸法などから決定する。直杭３は構築部材１を
設置する際のガイドともなるため、正確な位置、方向に
打設する。<C> Placing the straight pile 3 A plurality of straight piles 3 are cast at a position where a floating structure is to be constructed. The setting position and setting interval of the straight pile 3 are the same as those of the construction member 1 described above.
Determined from the arrangement and dimensions of Since the straight pile 3 also serves as a guide when the construction member 1 is installed, it is driven in an accurate position and direction.
【００１３】＜ニ＞構築部材１の設置。 水底に打設した複数本の直杭３の上に、前記の構築部材
１を設置する。そのために、構築部材１の底面には、直
杭３の頭部を受け入れる嵌合口を形成しておき、この嵌
合口に直杭３の頭部を嵌合する。あるいは図の実施例の
ように、構築部材１には、傾斜貫通工１とは別に、鉛直
方向に開口した鉛直貫通孔１２を開口しておく。そして
この鉛直貫通工２に、直杭３の頭部を挿入して固定して
設置することもできる。構築部材１の延長線上に、さら
に次の構築部材１を設置する。こうして延長した構築部
材１と次の構築部材１との間は場所打ちコンクリートで
連結することもできる。<D> Installation of the construction member 1. The above-mentioned construction member 1 is placed on a plurality of straight piles 3 cast on the water bottom. For this purpose, a fitting port for receiving the head of the straight pile 3 is formed on the bottom surface of the construction member 1 and the head of the straight pile 3 is fitted to this fitting port. Alternatively, as in the embodiment shown in the figure, a vertical through hole 12 opened in the vertical direction is opened in the construction member 1 separately from the inclined through hole 1. Then, the head of the straight pile 3 can be inserted into and fixed to the vertical penetration 2. The next construction member 1 is further installed on an extension of the construction member 1. The extended construction member 1 and the next construction member 1 can be connected by cast-in-place concrete.
【００１４】＜ホ＞斜杭２の打設。 構築部材１は、複数の位置で直杭３で支持しているか
ら、一応安定した姿勢を維持して水面上に配置してあ
る。この構築部材１の傾斜貫通孔１１に斜杭２を貫通さ
せる。そしてその先端を水底に到達させる。傾斜貫通孔
１１は所定の角度で形成してあるから、その傾斜貫通孔
１１をガイドとすれば、斜杭２は正確な方向に向けて姿
勢を維持される。その状態で斜杭２の頭部を油圧ハンマ
ーで打撃すれば、斜杭２は特殊な熟練や特別な測定機器
を使用せずに迅速に正確な方向へ打設することができ
る。なお図の実施例のように、構築部材１に表面と直交
する方向の鉛直貫通孔１２を構築部材１の中間にも開口
しておけば、それらの鉛直貫通孔１２をガイドとして、
中間の直杭３を迅速、正確に打設することもできる。<E> Placing the slant pile 2 Since the building members 1 are supported by the straight piles 3 at a plurality of positions, they are arranged on the water surface while maintaining a stable posture. The inclined pile 2 is made to penetrate the inclined through hole 11 of the construction member 1. And the tip is made to reach the bottom of the water. Since the inclined through hole 11 is formed at a predetermined angle, if the inclined through hole 11 is used as a guide, the inclined pile 2 is maintained in an accurate direction. If the head of the slant pile 2 is hit with a hydraulic hammer in that state, the slant pile 2 can be quickly and accurately set in a precise direction without using special skills or special measuring equipment. If the vertical through holes 12 in the direction orthogonal to the surface are opened in the middle of the construction member 1 as in the embodiment of the drawing, the vertical through holes 12 serve as guides.
The intermediate straight pile 3 can be quickly and accurately driven.
【００１５】＜ヘ＞複数の構築部材１の設置。 同様の工程によって、複数の構築部材１を等間隔で、あ
るいは不等間隔で水上に設置する。そして隣接する構築
部材１の間に横断部材４を掛け渡す。横断部材４は例え
ばＰＣプレキャスト桁やＰＣ版で構成する。掛け渡した
横断部材４の上に場所打ちコンクリートを打設すること
もできる。こうして多数本の斜杭２と直杭３および構築
部材１を基礎のプレキャスト桁とした、水上構造物の構
築が完了する。<F> Installation of a plurality of construction members 1. By the same process, the plurality of building members 1 are placed on the water at equal intervals or at irregular intervals. Then, the cross member 4 is bridged between the adjacent construction members 1. The cross member 4 is made of, for example, a PC precast girder or a PC plate. Cast-in-place concrete can also be cast on the crossed member 4 that has been bridged. In this way, the construction of the floating structure using many slant piles 2, straight piles 3, and building members 1 as the foundation precast girder is completed.
【００１６】[0016]
【本発明の効果】本発明は上記したように、いったん水
上に設置した構築部材の傾斜貫通孔から斜杭を打設する
部材と、方法である。そのために正確な角度、方向に、
迅速に斜杭を打設して強固な水上構造物を構築すること
ができる。その結果、工期を大幅に短縮することがで
き、コストも削減することができる。またプレキャスト
の桁を使用して構築するため、足場の不便な水上での作
業、すなわち支保工、鉄筋、型枠の組み立て、解体作業
が不要となり、コンクリートの品質の向上も図れる。同
様の理由で、工期を大幅に短縮することができ、コスト
も削減することができる。As described above, the present invention is a member and a method for driving a slant pile from an inclined through hole of a construction member once installed on water. The exact angle and direction for that,
It is possible to quickly cast a slanted pile and build a strong floating structure. As a result, the construction period can be significantly reduced, and the cost can be reduced. In addition, since the construction is performed using the precast girder, the work on the water where the scaffold is inconvenient, that is, the work of assembling supports, reinforcing bars and formwork, and dismantling work are not required, and the quality of concrete can be improved. For the same reason, the construction period can be significantly reduced, and the cost can be reduced.
【図１】本発明の水上構造物の構築に使用する構築部材
の実施例の説明図。FIG. 1 is an explanatory view of an embodiment of a construction member used for constructing a floating structure of the present invention.
【図２】構築部材を直杭に設置する状態の説明図。FIG. 2 is an explanatory view of a state where a construction member is installed on a straight pile.
【図３】構築部材の貫通孔をガイドに斜杭を打設する場
合の説明図。FIG. 3 is an explanatory view of a case where a slant pile is driven using a through hole of a construction member as a guide.
【図４】複数の構築部材によって水上構造物を構築する
状態の説明図。FIG. 4 is an explanatory view of a state in which a floating structure is constructed by a plurality of construction members.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 高久雅喜 東京都新宿区西新宿一丁目25番１号 大成 建設株式会社内 Ｆターム(参考） 2D018 BA01 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masayoshi Takaku 1-25-1, Nishishinjuku, Shinjuku-ku, Tokyo Taisei Corporation F-term (reference) 2D018 BA01
Claims (4)
て、 このプレキャスト桁には、杭を貫通する貫通孔を複数個
所に開口し、 この貫通孔はプレキャスト桁を水平に設置した際に鉛直
でない角度になるように形成した、 水上構造物の構築部材。1. A precast girder having a fixed length, wherein the precast girder has a plurality of through-holes penetrating through a pile, and the through-holes extend vertically when the precast girder is installed horizontally. Construction members for water structures formed at an angle other than the above.
て、 このプレキャスト桁には、杭を貫通する貫通孔を複数個
所に開口し、 この貫通孔はプレキャスト桁を水平に設置した際に鉛直
でない角度になるように形成し、 少なくともその側面に、鋼製の梁を沿わせて補強した、 水上構造物の構築部材。2. A precast girder having a fixed length, wherein the precast girder has a plurality of through-holes penetrating through the pile, and the through-holes are vertically arranged when the precast girder is installed horizontally. A structural member for a floating structure, formed so as to have an angle other than that of the above, and reinforced along at least the side with a steel beam.
て、 プレキャスト桁には、杭を貫通する貫通孔を複数個所に
開口し、 この貫通孔はプレキャスト桁を水平に設置した際に鉛直
でない角度になるように形成し、 少なくともその側面に、鋼製の梁を沿わせて補強した構
築部材を使用し、 水底に鉛直に複数本の直杭を打設し、 打設した複数本の直杭に、前記の構築部材を設置し、 その後に、構築部材の貫通孔をガイドにして、新たな斜
杭を打設して行なう、 水上構造物の構築方法。3. A precast girder having a fixed length, wherein the precast girder has a plurality of through-holes penetrating a pile, and the through-holes are not vertical when the precast girder is installed horizontally. Using a structural member that is formed at an angle and reinforced with steel beams along at least the side surfaces, a plurality of straight piles are driven vertically into the water bottom, and a plurality of A method for constructing a floating structure, comprising: installing the above-mentioned construction member on a pile, and thereafter driving and setting a new inclined pile using the through hole of the construction member as a guide.
て、 プレキャスト桁には、杭を貫通する貫通孔を複数個所に
開口し、 この貫通孔はプレキャスト桁を水平に設置した際に鉛直
でない角度になるように形成し、 少なくともその側面に、鋼製の梁を沿わせて補強した構
築部材を使用し、 水底に鉛直に複数本の直杭を打設し、 打設した複数本の直杭に、前記の構築部材を設置し、 その後に、構築部材の貫通孔をガイドにして、新たな斜
杭を打設して構築部材を設置し、 同様の工程によって複数本の構築部材を設置した後、 隣接する構築部材の間に床面を形成する、 水上構造物の構築方法。4. A precast girder having a predetermined length, wherein the precast girder has a plurality of through-holes penetrating a pile, and the through-holes are not vertical when the precast girder is installed horizontally. Using a structural member that is formed at an angle and reinforced with steel beams along at least the side surfaces, a plurality of straight piles are driven vertically into the water bottom, and a plurality of The above-mentioned construction member is installed on the pile, and then, using the through hole of the construction member as a guide, a new slanted pile is cast and the construction member is installed, and a plurality of construction members are installed in the same process. And then forming a floor surface between adjacent building members.
Priority Applications (1)
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| JP2001103801A JP4516235B2 (en) | 2001-04-02 | 2001-04-02 | Construction members and construction methods for floating structures |
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| JP2007262890A (en) * | 2007-06-29 | 2007-10-11 | Penta Ocean Constr Co Ltd | Structure for controlling permeable sea area and construction method thereof |
| JP2011179220A (en) * | 2010-03-01 | 2011-09-15 | West Nippon Expressway Co Ltd | Method of stabilizing slope and landslide control steel pipe pile |
| CN117306534A (en) * | 2023-11-30 | 2023-12-29 | 中国海洋大学 | Reverse construction method for assembled marine pile foundation building |
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| CN117306534B (en) * | 2023-11-30 | 2024-03-12 | 中国海洋大学 | Reverse construction method for assembled marine pile foundation building |
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| JP4516235B2 (en) | 2010-08-04 |
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