JP2003328323A - Construction method of tower structure - Google Patents
Construction method of tower structureInfo
- Publication number
- JP2003328323A JP2003328323A JP2002139853A JP2002139853A JP2003328323A JP 2003328323 A JP2003328323 A JP 2003328323A JP 2002139853 A JP2002139853 A JP 2002139853A JP 2002139853 A JP2002139853 A JP 2002139853A JP 2003328323 A JP2003328323 A JP 2003328323A
- Authority
- JP
- Japan
- Prior art keywords
- tower
- climbing
- pillars
- main tower
- constructed
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、斜張橋の主塔など
の逆Ｙ字型の塔状構造物の施工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 method for constructing an inverted Y-shaped tower structure such as a main tower of a cable-stayed bridge.
【０００２】[0002]
【従来の技術】斜張橋の逆Ｙ字型の主塔を施工する場
合、従来は、図６に示すように、主として所謂クライミ
ングフォーム５０とタワークレーン５１を使用してい
た。逆Ｙ字型の主塔１は、主桁を挟んで左右一対の主塔
基部２，２と、この主塔基部２，２から互いに接近する
ように傾斜して立設される２本の柱部３ａ，３ａからな
る主塔中央部３と、２本の柱部３ａ，３ａが合体する主
塔結合部４と、この主塔結合部４から上方に突出する主
塔頂部５等から構成され、次に示す手順で施工されてい
た。2. Description of the Related Art When constructing an inverted Y-shaped main tower of a cable-stayed bridge, conventionally, as shown in FIG. 6, a so-called climbing foam 50 and a tower crane 51 have been mainly used. The inverted Y-shaped main tower 1 includes a pair of left and right main tower bases 2 and 2 sandwiching a main girder, and two pillars erected from the main tower bases 2 and 2 so as to be inclined toward each other. Main tower central part 3 composed of parts 3a, 3a, main tower connecting part 4 in which two pillar parts 3a, 3a are united, main tower top part 5 protruding upward from this main tower connecting part 4, etc. The procedure was as follows.
【０００３】(1) 主塔基部２を地上のクレーンと総足場
工法で施工する。
(2) クライミングフォーム５０とタワークレーン５１を
組立て、クライミングフォーム５０をクライミング装置
により順次上昇させ、柱部３ａの各ロットを順次施工し
ていく。タワークレーン５１は、クライミング装置（セ
ンターホールジャッキや高強度ねじ鉄筋など）を取付け
るための先行埋め込み鉄骨や主筋などを搬入するための
ものであり、柱部３ａの伸長に伴い、下部に単位マスト
を順次継ぎ足して伸長させる。このマスト部分５１ａ
は、既設の柱部３ａにステー（壁繋ぎ）５２で支持させ
る。また、既設の柱部３ａ，３ａを水平のストラット５
３で繋いでいる。
(3) 主塔中央部３の施工が完了すると、クライミングフ
ォーム５０を解体し、ブラケット５４を中央部３の上部
に取付け、総足場工法で主塔結合部４を施工し、続いて
総足場工法で主塔頂部５の各ロットを順次施工してい
く。(1) The main tower base 2 is constructed by the above-ground crane and the total scaffolding method. (2) The climbing form 50 and the tower crane 51 are assembled, the climbing form 50 is sequentially raised by the climbing device, and each lot of the pillar portion 3a is sequentially constructed. The tower crane 51 is for carrying in a preceding embedded steel frame or a main bar for mounting a climbing device (a center hole jack, a high-strength screw reinforcing bar, etc.), and a unit mast is attached to the lower part as the pillar portion 3a extends. Sequentially add and extend. This mast part 51a
Is supported by the stay (wall connection) 52 on the existing pillar portion 3a. In addition, the existing pillars 3a and 3a are attached to the horizontal strut 5
Connected with 3. (3) When the construction of the main tower central portion 3 is completed, the climbing foam 50 is disassembled, the bracket 54 is attached to the upper portion of the central portion 3, the main tower connecting portion 4 is constructed by the total scaffolding method, and then the total scaffolding construction method. Then, each lot on the top part 5 of the main tower will be constructed sequentially.
【０００４】[0004]
【発明が解決しようとする課題】しかし、前述のような
従来の施工方法では、タワークレーンを主塔に沿って伸
長させていくため、ステーが上方にいくに従って長大な
ものとなり、主塔構築に伴う設備費が増大するなどの問
題点があった。However, in the conventional construction method as described above, since the tower crane is extended along the main tower, the stay becomes longer as it goes upward, and the main tower is constructed. There was a problem that the equipment cost accompanying it increased.
【０００５】本発明は、このような問題点を解消すべく
なされたもので、その目的は、逆Ｙ字型の塔状構造物の
施工に際し、塔の中間部でタワークレーンのステーを無
くすことができ、塔構築に伴う設備費の低減を図れる塔
状構造物の施工方法を提供することにある。The present invention has been made to solve such a problem, and an object thereof is to eliminate a stay of a tower crane at an intermediate portion of a tower when constructing an inverted Y-shaped tower structure. It is possible to provide a method for constructing a tower-like structure, which can reduce the facility cost associated with the tower construction.
【０００６】[0006]
【課題を解決するための手段】本発明の請求項１は、基
部から２本の柱部が互いに接近するように傾斜して立設
され、この２本の柱部の結合部から頂部が突設されてい
る塔状構造物の施工方法であり、２本の柱部の型枠を備
え２本の柱部に掛け渡されるクライミング構台の両端部
にタワークレーンをマストを継ぎ足していない最小の状
態で設置し、このタワークレーンによる資材の搬入とク
ライミング構台による型枠の上昇を順次繰り返して２本
の柱部を施工し、２本の柱部の合体後は、タワークレー
ンにマストを継ぎ足しながら、総足場工法あるいは型枠
により頂部を施工することを特徴とする塔状構造物の施
工方法である。According to a first aspect of the present invention, the two pillars are erected from the base so as to be close to each other, and the tops project from the joints of the two pillars. It is the construction method of the tower structure that is installed, and the minimum state where the mast is not added to the tower crane at both ends of the climbing gantry that is equipped with the formwork of two pillars and is hung over the two pillars. Installed in, the tower crane is used to carry in the materials and the climbing gantry is used to raise the formwork to build up two pillars. After the two pillars have been joined, the tower crane is added with a mast, This is a method for constructing a tower-like structure, characterized in that the top portion is constructed by a total scaffolding method or a formwork.
【０００７】本発明の請求項２は、請求項１に記載の施
工方法において、クライミング構台の両端部における下
面には既設の塔体に反力をとってクライミング構台を押
し上げる押し上げ式クライミング装置が設けられ、この
クライミング構台の上に型枠と足場が横移動可能に設け
られていることを特徴とする塔状構造物の施工方法であ
る。According to a second aspect of the present invention, in the construction method according to the first aspect, a push-up type climbing device that pushes up the climbing gantry by applying a reaction force to the existing tower body is provided on the lower surfaces of both ends of the climbing gantry. The method for constructing a tower structure is characterized in that a formwork and scaffolding are provided on the climbing gantry so as to be laterally movable.
【０００８】本発明は、例えば斜張橋の逆Ｙ字型の主塔
の施工に有効に適用されるものである。クライミング構
台は、上に向かって狭まる２本の柱部の最大幅すなわち
基部を取り囲むことのできる大きさで平面視で長方形の
トラス桁などから構成され、クライミング装置を介して
２本の柱部に取付けられ、クライミング装置により上昇
する。The present invention is effectively applied to the construction of an inverted Y-shaped main tower of a cable-stayed bridge, for example. The climbing gantry is composed of a truss girder that is rectangular in plan view and has a maximum width of the two pillars that narrow toward the top, that is, a size that can surround the base, and the two pillars are connected to each other via the climbing device. Mounted and raised by climbing equipment.
【０００９】クライミング装置は、例えば押し上げビー
ム等の押し上げ部材と押し上げジャッキ等の押し上げ装
置などからなる押し上げ式クライミング装置であり、既
設の２本の柱部等の塔体に反力をとってクライミング構
台を押し上げる。また、２本の柱部の傾斜に対応できる
ように、押し上げ部材が横押しジャッキ等の横押し装置
を介して塔幅方向に横移動可能にクライミング構台の下
面に接続されている。型枠と足場は、例えばクライミン
グ構台の上面を塔幅方向に移動可能な台車などに載置さ
れ、横押しジャッキ等の横押し装置により横移動し、２
本の柱部の傾斜に対応できるようにされている。The climbing device is a push-up type climbing device including a push-up member such as a push-up beam and a push-up device such as a push-up jack, and a reaction force is applied to a tower body such as two existing columns to obtain a climbing gantry. Push up. In addition, a push-up member is connected to the lower surface of the climbing pedestal so as to be able to move laterally in the tower width direction via a lateral pushing device such as a lateral pushing jack so as to be able to cope with the inclination of the two pillars. The formwork and the scaffold are placed on, for example, a cart that can move in the tower width direction on the upper surface of the climbing gantry, and are laterally moved by a lateral pushing device such as a lateral pushing jack.
It is designed to accommodate the inclination of the pillars of the book.
【００１０】基部を総足場工法で施工した後、クライミ
ング構台を基部の上に組み付け、クライミング構台の両
端部のマストを継ぎ足していない最小状態のタワークレ
ーンで資材の搬入を行い、コンクリートの打設を行い、
１ロットの施工が完了するとクライミング構台を１ロッ
ト分上昇させ、以上の工程を順次繰り返すことにより、
２本の柱部を施工する。After the base is constructed by the total scaffolding method, the climbing gantry is assembled on the base, and the material is loaded by the tower crane in the minimum state in which the masts at both ends of the climbing gantry are not added, and the concrete is placed. Done,
When the construction of one lot is completed, the climbing gantry is raised by one lot, and the above steps are sequentially repeated,
Build two pillars.
【００１１】柱部の結合部の手前で２本の柱部の施工が
終了すると、総足場工法で結合部を施工し、続いてクラ
イミング構台の両端部のクレーンを単位マストを継ぎ足
すことで上方に伸長させつつ総足場工法で頂部を施工す
る。この総足場工法では、クライミング構台を撤去し、
代わりにブラケットをタワークレーンのベースとしても
よい。さらに、総足場工法に限らず、クライミング構台
と型枠をそのまま利用して結合部および頂部の施工を行
うこともできる。When the construction of the two pillars is completed before the joint of the pillars, the joints are constructed by the total scaffolding method, and then the cranes at both ends of the climbing gantry are added together by adding unit masts. The top part is constructed by the total scaffolding method while extending to. With this total scaffolding method, the climbing gantry is removed,
Alternatively, the bracket may be the base of the tower crane. Furthermore, not only the total scaffolding method, but also the climbing gantry and the form can be used as they are for the construction of the joint and the top.
【００１２】本発明の施工方法によれば、逆Ｙ字型の塔
状構造物の施工に際し、塔の中間部の施工ではクライミ
ング構台にタワークレーンを最小状態で載せてクライミ
ングフォーム工法を実施するため、タワークレーンのス
テーを無くすことができ、塔上部に総足場工法を用いた
場合には、塔の頂部の施工においてステーの長さを短く
することができ、主塔構築に伴う設備費の低減を図れ
る。また、押し上げビーム等の押し上げ部材と押し上げ
ジャッキ等の押し上げ装置などからなる押し上げ式クラ
イミング装置をクライミング構台の下面に設け、上部に
型枠と足場を横移動可能に設けているため、スライド作
業を容易かつ迅速に行うことができる。According to the construction method of the present invention, when constructing an inverted Y-shaped tower-like structure, in the construction of the middle part of the tower, the tower crane is mounted on the climbing gantry in the minimum state to carry out the climbing form construction method. The stay of the tower crane can be eliminated, and if the total scaffolding method is used for the upper part of the tower, the stay length can be shortened when constructing the top of the tower, and the equipment cost associated with the construction of the main tower is reduced. Can be achieved. In addition, a lifting type climbing device consisting of a lifting member such as a lifting beam and a lifting device such as a lifting jack is provided on the lower surface of the climbing gantry, and a formwork and scaffolding are provided on the upper part so that sliding work is easy. And it can be done quickly.
【００１３】[0013]
【発明の実施の形態】以下、本発明を図示する一実施形
態に基づいて説明する。この実施形態は、斜張橋の逆Ｙ
字型の主塔に適用した例である。図１、図２、図３は、
本発明の施工方法の主塔中間部の開始状態を示す正面
図、平面図、側面図である。図４は、主塔中間部の開始
状態から終了状態までを示す正面図である。図５は、主
塔結合部から主塔頂部までの施工状態を示す正面図であ
る。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described based on an illustrated embodiment. This embodiment is a reverse Y of a cable-stayed bridge.
It is an example applied to a character-shaped main tower. 1, 2 and 3 are
It is a front view, a plan view, and a side view showing the starting state of the main tower middle part of the construction method of the present invention. FIG. 4 is a front view showing a state from the start state to the end state of the intermediate portion of the main tower. FIG. 5: is a front view which shows the construction state from a main tower connection part to a main tower top part.
【００１４】図１に示すように、逆Ｙ字型の主塔１は、
主桁を挟んで左右一対の主塔基部２，２と、この主塔基
部２，２から互いに接近するように傾斜して立設される
２本の柱部３ａ，３ａからなる主塔中央部３と、２本の
柱部３ａ，３ａが合体する主塔結合部４と、この主塔結
合部４から上方に突出する主塔頂部５から構成され、本
発明では、概略、クライミング構台１０とその両端部の
タワークレーン１１を使用して２本の柱部３ａ，３ａを
施工し（クライミングフォーム施工範囲Ａ：図１，図４
参照）、２本の柱部の合体後は、タワークレーン１１を
伸長させて主塔頂部５を施工する（上部施工範囲：図５
参照）。As shown in FIG. 1, the inverted Y-shaped main tower 1 is
A central part of the main tower composed of a pair of left and right main tower bases 2 and 2 sandwiching the main girder, and two pillars 3a and 3a that are vertically erected so as to approach each other from the main tower bases 2 and 2. 3, a main tower coupling part 4 in which two pillars 3a, 3a are united, and a main tower top part 5 projecting upward from the main tower coupling part 4, and in the present invention, roughly, a climbing gantry 10 Two pillars 3a, 3a are constructed using the tower cranes 11 at both ends thereof (climbing form construction range A: FIG. 1, FIG. 4).
After the two pillars are united, the tower crane 11 is extended to construct the main tower top 5 (upper construction range: FIG. 5).
reference).
【００１５】図１〜図３に示すように、クライミング構
台１０は、左右一対の主塔基部２，２を取り囲むことが
できる大きさの平面視で長方形のトラス桁１２と、押し
上げ式クライミング装置１３などからなる。押し上げ式
クライミング装置１３は、例えば押し上げビーム１３ａ
と押し上げジャッキ１３ｂなどからなり、既設の主塔基
部や柱部の外側面に反力をとってトラス桁１２を上昇さ
せる。なお、押し上げビーム１３ａと押し上げジャッキ
１３ｂは横押しジャッキ等で主塔幅方向に横移動可能に
トラス桁１２の下面に取付けられており、柱部３ａの傾
斜に対応できるようにされている。As shown in FIGS. 1 to 3, the climbing gantry 10 has a rectangular truss girder 12 in plan view having a size capable of enclosing a pair of left and right main tower bases 2 and 2, and a push-up type climbing device 13. And so on. The push-up type climbing device 13 is, for example, a push-up beam 13a.
And a jack 13b for pushing up the truss girder 12 by applying a reaction force to the outer surface of the existing main tower base and column. The push-up beam 13a and the push-up jack 13b are attached to the lower surface of the truss girder 12 by a lateral push jack or the like so as to be laterally movable in the width direction of the main tower, and are adapted to cope with the inclination of the column portion 3a.
【００１６】トラス桁１２の両端部における上面には、
型枠２０と足場２１が設置され、クライミング構台１０
と共に型枠２０が１ロット分順次上昇し、２本の柱部３
ａ，３ａが１ロット分順次施工される。これら型枠２０
と足場２１は、例えば台車に載せられ、横押しジャッキ
等により主塔幅方向に横移動可能とされ、柱部３ａの傾
斜に対応できるようにされている。On the upper surface at both ends of the truss girder 12,
Formwork 20 and scaffolding 21 are installed, climbing gantry 10
Along with this, the formwork 20 is sequentially lifted for one lot, and the two pillars 3
a and 3a are sequentially constructed for one lot. These formwork 20
The scaffold 21 is mounted on, for example, a trolley, and can be laterally moved in the width direction of the main tower by a lateral push jack or the like so that it can cope with the inclination of the pillar portion 3a.
【００１７】タワークレーン１１は、トラス桁１２の両
端部における型枠２０・足場２１の外側に設置され、型
枠２０に先行する鉄筋などの資材の搬入を行う。このタ
ワークレーン１１は、マストを継ぎ足していない最小の
状態で据え付け、図４に示すように、クライミング構台
１０と共に上昇し、クレーン作業を行う。また、タワー
クレーン１１は、傾斜する柱部３ａに対応させて主塔側
に移動させて固定する。The tower crane 11 is installed outside the formwork 20 and the scaffold 21 at both ends of the truss girder 12, and carries in materials such as reinforcing bars preceding the formwork 20. The tower crane 11 is installed in a minimum state in which the mast is not added, and as shown in FIG. 4, the tower crane 11 ascends together with the climbing gantry 10 to perform crane work. Further, the tower crane 11 is moved to the main tower side and fixed in correspondence with the tilted column portion 3a.
【００１８】図５に示すように、クライミング構台１０
が主塔結合部４の手前まで上昇すると、トラス桁１２上
に足場を組み、総足場工法で主塔結合部４を施工する。
続いて、タワークレーン１１の下部に単位マストを継ぎ
足し、マスト１１ａを上方に伸長させながら足場を組上
げ、総足場工法で主塔頂部５を施工する。As shown in FIG. 5, the climbing gantry 10
When is raised to just before the main tower connecting part 4, the scaffold is assembled on the truss girder 12, and the main tower connecting part 4 is constructed by the total scaffolding method.
Subsequently, a unit mast is added to the lower part of the tower crane 11, a scaffold is assembled while extending the mast 11a upward, and the main tower top 5 is constructed by the total scaffolding method.
【００１９】なお、この主塔結合部４と主塔頂部５の施
工では、クライミング構台１０を撤去し、代わりにブラ
ケット（図示省略）を柱部の上部外面に設置し、タワー
クレーン１１のベースとすることもできる。In the construction of the main tower connecting portion 4 and the main tower top portion 5, the climbing gantry 10 is removed, and instead, a bracket (not shown) is installed on the outer surface of the upper portion of the pillar portion to form a base for the tower crane 11. You can also do it.
【００２０】また、クライミング構台１０と型枠２０と
足場２１をそのまま利用し、主塔結合部４と主塔頂部５
を施工することも可能である。The climbing gantry 10, the formwork 20, and the scaffold 21 are used as they are, and the main tower connecting portion 4 and the main tower top portion 5 are used.
It is also possible to construct.
【００２１】なお、以上は斜張橋の逆Ｙ字型の主塔の施
工に適用した場合を例示したが、これに限らず、その他
の逆Ｙ字型の塔状構造物の施工にも本発明を適用でき
る。In the above, the case of applying to the construction of the inverted Y-shaped main tower of the cable-stayed bridge has been illustrated, but the present invention is not limited to this, and the present invention is also applicable to the construction of other inverted Y-shaped tower-like structures. The invention can be applied.
【００２２】[0022]
【発明の効果】(1) 本発明の施工方法によれば、逆Ｙ字
型の塔状構造物の施工に際し、塔の中間部の施工ではク
ライミング構台にタワークレーンを最小状態で載せてク
ライミングフォーム工法を実施するため、タワークレー
ンのステーを無くすことができ、塔上部に総足場工法を
用いた場合には、塔の頂部の施工においてステーの長さ
を短くすることができ、主塔構築に伴う設備費の低減を
図れる。
(2) 押し上げビーム等の押し上げ部材と押し上げジャッ
キ等の押し上げ装置などからなる押し上げ式クライミン
グ装置をクライミング構台の下面に設け、上部に型枠と
足場を横移動可能に設けることにより、スライド作業を
容易かつ迅速に行うことができ、施工時間の短縮と施工
コストの低減を図れる。EFFECTS OF THE INVENTION (1) According to the construction method of the present invention, when constructing an inverted Y-shaped tower-shaped structure, in the construction of the middle part of the tower, the tower crane is mounted on the climbing gantry in the minimum state and the climbing form is formed. Since the construction method is implemented, the stay of the tower crane can be eliminated, and if the total scaffolding method is used for the upper part of the tower, the stay length can be shortened in the construction of the top of the tower, and the main tower can be constructed. The associated equipment cost can be reduced. (2) A lifting type climbing device consisting of a lifting member such as a lifting beam and a lifting device such as a lifting jack is provided on the lower surface of the climbing gantry, and a formwork and scaffolding are provided on the upper part so that sliding work is easy. Moreover, it can be carried out quickly, and the construction time and construction cost can be reduced.
【図１】本発明の施工方法の主塔中間部の開始状態を示
す正面図である。FIG. 1 is a front view showing a starting state of an intermediate portion of a main tower of a construction method of the present invention.
【図２】図１の平面図である。FIG. 2 is a plan view of FIG.
【図３】図１の側面図である。FIG. 3 is a side view of FIG.
【図４】本発明の施工方法の主塔中間部の開始状態から
終了状態までを示す正面図である。FIG. 4 is a front view showing the middle part of the main tower of the construction method of the present invention from a start state to an end state.
【図５】本発明の施工方法の主塔結合部から主塔頂部ま
での施工状態を示す正面図である。FIG. 5 is a front view showing a construction state from the main tower connecting portion to the main tower top portion of the construction method of the present invention.
【図６】従来の斜張橋の逆Ｙ字型の主塔を施工する方法
を示す正面図である。FIG. 6 is a front view showing a method for constructing an inverted Y-shaped main tower of a conventional cable-stayed bridge.
１……逆Ｙ字型の主塔 ２……主塔基部 ３……主塔中央部 ３ａ…柱部 ４……主塔結合部 ５……主塔頂部 １０……クライミング構台 １１……タワークレーン １２……トラス桁 １３……押し上げ式クライミング装置 １３ａ…押し上げビーム １３ｂ…押し上げジャッキ ２０……型枠 ２１……足場 1 ... Inverted Y-shaped main tower 2 ... Main tower base 3 ... Central part of the main tower 3a ... Pillar 4 ... Main tower connection 5 ... Main tower top 10 ... Climbing gantry 11 …… Tower crane 12 ... Truss girder 13 ... Push-up climbing device 13a ... push-up beam 13b ... push-up jack 20 ... Formwork 21 ... Scaffolding
Claims (2)
うに傾斜して立設され、この２本の柱部の結合部から頂
部が突設されている塔状構造物の施工方法であり、２本
の柱部の型枠を備え２本の柱部に掛け渡されるクライミ
ング構台の両端部にタワークレーンをマストを継ぎ足し
ていない状態で設置し、このタワークレーンによる資材
の搬入とクライミング構台による型枠の上昇を順次繰り
返して２本の柱部を施工し、２本の柱部の合体後は、タ
ワークレーンにマストを継ぎ足しながら総足場工法で頂
部を施工し、あるいは前記クライミング構台と型枠を利
用して頂部を施工することを特徴とする塔状構造物の施
工方法。1. A method of constructing a tower structure, wherein two pillars are erected from a base so as to be close to each other, and a top is projected from a joint portion of the two pillars. Yes, a tower crane is installed without a mast at both ends of a climbing gantry that is equipped with a formwork of two pillars and is hung on the two pillars. By repeating the ascending of the formwork sequentially, the two pillars are constructed, and after the two pillars are united, the top is constructed by the total scaffolding method while adding the mast to the tower crane, or the climbing gantry and the mold. A method for constructing a tower-like structure, which comprises constructing a top portion using a frame.
ライミング構台の両端部における下面には既設の塔体に
反力をとってクライミング構台を押し上げる押し上げ式
クライミング装置が設けられ、このクライミング構台の
上に型枠と足場が横移動可能に設けられていることを特
徴とする塔状構造物の施工方法。2. The construction method according to claim 1, wherein a push-up type climbing device that pushes up the climbing gantry by applying a reaction force to an existing tower body is provided on a lower surface of both ends of the climbing gantry. A method for constructing a tower-shaped structure, characterized in that a formwork and scaffolding are provided on the top so that they can move laterally.
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|---|---|---|---|
| JP2002139853A JP3952843B2 (en) | 2002-05-15 | 2002-05-15 | Construction method of tower structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002139853A JP3952843B2 (en) | 2002-05-15 | 2002-05-15 | Construction method of tower structure |
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| Publication Number | Publication Date |
|---|---|
| JP2003328323A true JP2003328323A (en) | 2003-11-19 |
| JP3952843B2 JP3952843B2 (en) | 2007-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002139853A Expired - Fee Related JP3952843B2 (en) | 2002-05-15 | 2002-05-15 | Construction method of tower structure |
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| Country | Link |
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| JP (1) | JP3952843B2 (en) |
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