JP2000064598A - Scaffolding device for constructing tower-shaped structure - Google Patents
Scaffolding device for constructing tower-shaped structureInfo
- Publication number
- JP2000064598A JP2000064598A JP10234513A JP23451398A JP2000064598A JP 2000064598 A JP2000064598 A JP 2000064598A JP 10234513 A JP10234513 A JP 10234513A JP 23451398 A JP23451398 A JP 23451398A JP 2000064598 A JP2000064598 A JP 2000064598A
- Authority
- JP
- Japan
- Prior art keywords
- tower
- scaffolding
- shaped structure
- mast
- scaffold
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/243—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the outside contour of a building
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Movable Scaffolding (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、煙突等の塔状構造
物を建設する際に使用する塔状構造物建設用足場装置に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffolding device for constructing a tower-like structure used when constructing a tower-like structure such as a chimney.
【０００２】[0002]
【従来の技術】煙突等の塔状構造物を建設する場合に
は、一般に、塔状構造物の上部に複数段の型枠を内側と
外側から固定し、その内側と外側の型枠の間にコンクリ
ートを流し込んで凝固させ、凝固した箇所が躯体とな
る。その後、複数段の型枠のうち最下段の内外の型枠を
外して最上段の型枠の上に載せ、最上段の上に載せた内
側と外側の型枠の間にコンクリートを流し込んで凝固さ
せて躯体とする。このような作業を繰り返すことによっ
て、躯体を１段ずつ順次積み重ねて塔状構造物を高くす
る。2. Description of the Related Art In the case of constructing a tower-like structure such as a chimney, generally, a plurality of stages of formwork are fixed to the upper part of the tower-like structure from the inside and the outside, and the space between the inside and outside forms The concrete is poured into and solidified, and the solidified part becomes the body. After that, remove the innermost and outermost formwork of the multistage formwork and put it on the topmost formwork, and pour concrete between the inner and outer formwork placed on the topmost stage to solidify. Let it be a body. By repeating such an operation, the skeletons are sequentially stacked one by one to elevate the tower structure.
【０００３】躯体を１段ずつ積み重ねるために、最下段
の内外の型枠を外して最上段の型枠の上に載せる作業を
行うが、その作業を行うために、従来は塔状構造物の内
部に躯体が高くなる毎に足場を１段高く組み上げ、１段
毎に踊場を形成する作業を同時に行っていた。この足場
と踊場を利用して、内側の型枠の取り外しと上方へ運搬
と取り付け作業を行っていた。また、外側の型枠は、最
上段の外側の型枠から吊り足場と梯子とを吊り下げ、作
業者が梯子を伝って吊り足場まで降り、吊り足場におい
て最下段の外側の型枠を外す作業を行うものであった。
その外した型枠を人力またはウインチ等の既知の手段で
上方へ吊り上げ、その後、最上段の外側の型枠の上に外
した型枠を取り付けていた。In order to stack the skeletons one by one, the innermost and outermost molds at the lowermost stage are removed and placed on the uppermost molds. The scaffolding was assembled one step higher each time the body was raised inside, and the work of forming a landing for each step was performed at the same time. Using this scaffolding and landing, the inner formwork was removed and the work was carried and installed upwards. For the outer formwork, the hanging scaffold and the ladder are suspended from the outermost formwork on the uppermost stage, and the worker descends to the hanging scaffold along the ladder and removes the outermost formwork on the lowermost stage on the hanging scaffolding. Was to do.
The removed formwork was lifted up by a known means such as a human power or a winch, and then the removed formwork was mounted on the outermost formwork at the uppermost stage.
【０００４】塔状構造物において躯体が１段ずつ高く積
み上げられる毎に、塔状構造物の内部に足場を組み上げ
て踊場を形成する作業は、塔状構造物の高さが高くなる
につれて、より高所へ足場や踊場の構成部材を下方から
運搬しなければならず、作業者の負担が増大するだけで
なく、作業効率も低下するものであった。また、塔状構
造物が完成した後は、組み上げた足場と踊場を上から順
に解体して地上に降ろす人的作業が残り、その作業に手
間と時間がかかっていた。[0004] The work of assembling scaffolds inside the tower-like structure to form a landing every time the skeletons are piled up one step higher in the tower-like structure is more effective as the height of the tower-like structure increases. The components of the scaffolding and the landing have to be transported from below to a high place, which not only increases the burden on the worker but also reduces the work efficiency. In addition, after the tower-shaped structure was completed, the work of disassembling the assembled scaffold and landing in order from the top and lowering them to the ground remained, which took time and effort.
【０００５】従来のような足場や踊場の組立作業やその
後の解体作業の作業負担を大幅に軽減するために、特開
平８−２１８６２０号に示す塔状構造物建設用足場装置
が、本件出願人等によって提供されている。この塔状構
造物建設用足場装置を図４乃至図６で説明する。図４に
示すように、煙突等の塔状構造物１０は、コンクリート
等を凝固して躯体１２を１段ずつ積み重ねるものであ
る。塔状構造物１０の下端にその塔状構造物１０の内外
に通じる搬送用出入口１４を設け、その搬送用出入口１
４を通して塔状構造物１０の内外にわたるレール１６を
敷設し、そのレール１６上を搬送装置１８が移動できる
ようにする。搬送装置１８の上にマストブロック２０を
載せ、マストブロック２０は搬送装置１８によって塔状
構造物１０の内部に搬入される。マストブロック２０
は、図５に示す踊場装置２２の支柱となるとなるための
もので、例えば４本の柱で構成した角柱体で１ブロック
当たりの高さが１．８ｍ程度のものである。マストブロ
ック２０を連結したものをマスト２２とする。踊場装置
２４はその上で作業者が作業を行うためのもので、マス
ト２２によって支持され、建設中の塔状構造物１０の上
部に位置するものである。In order to significantly reduce the work load of the conventional assembling work of scaffolding and landing and the subsequent dismantling work, a scaffolding device for constructing a tower-like structure disclosed in Japanese Patent Laid-Open No. 8-218620 is used by the present applicant. Etc. This scaffolding device for constructing a tower-like structure will be described with reference to FIGS. As shown in FIG. 4, the tower-shaped structure 10 such as a chimney is formed by solidifying concrete or the like and stacking the skeletons 12 one by one. At the lower end of the tower-shaped structure 10, there is provided a transfer entrance / exit 14 communicating with the inside and outside of the tower-like structure 10, and the transfer entrance / exit 1
A rail 16 extending inside and outside the tower-shaped structure 10 through the rail 4 is provided so that the carrier device 18 can move on the rail 16. The mast block 20 is placed on the carrier device 18, and the mast block 20 is carried into the tower structure 10 by the carrier device 18. Mast block 20
Is to be a pillar of the landing device 22 shown in FIG. 5, and is, for example, a prismatic body composed of four pillars and a height per block is about 1.8 m. A mast 22 is formed by connecting the mast blocks 20. The landing gear 24 is used by a worker to work on the landing gear 24, is supported by the mast 22, and is located above the tower-shaped structure 10 under construction.
【０００６】図４に示すように、煙突の塔状構造物１０
の内部には、マストブロック２０を保持並びに昇降させ
る昇降装置２６が備えられる。この昇降装置２６は、踊
場装置２４を支持するマスト２２を昇降させるものであ
る。この昇降装置２６は、塔状構造物１０の内部にレー
ル１６を経由して新たなマストブロック２０を搬入する
際には、マスト２２を保持して上方に持ち上げ、塔状構
造物１０の内部に新たに搬入するマストブロック２０が
塔状構造物１０の内部中央に移動した後、昇降装置２６
は保持したマスト２２を下降させ、その下降したマスト
２２の最下端マストブロック２０の下面と、塔状構造物
１０の内部に搬入したマストブロック２０の上面とを接
合させる。その接合した上下のマストブロック２０を従
来既知の連結手段（図示せず）で連結する。塔状構造物
１０の躯体１２の１段の積み重ねに伴って、マスト２２
にマストブロック２０が連結される。即ち、踊場装置２
４は塔状構造物１０の上昇に伴って上昇する。As shown in FIG. 4, a chimney tower structure 10 is shown.
An elevating device 26 for holding and elevating the mast block 20 is provided inside. The elevating device 26 elevates and lowers the mast 22 that supports the landing device 24. When the new mast block 20 is loaded into the tower structure 10 via the rails 16, the lifting device 26 holds the mast 22 and lifts the mast block 20 upward so that the mast 22 is held inside the tower structure 10. After the newly introduced mast block 20 moves to the center inside the tower-shaped structure 10, the lifting device 26
Lowers the held mast 22, and joins the lower surface of the lowermost mast block 20 of the lowered mast 22 and the upper surface of the mast block 20 carried into the tower structure 10. The joined upper and lower mast blocks 20 are connected by a conventionally known connecting means (not shown). As the skeleton 12 of the tower-shaped structure 10 is stacked in one stage, the mast 22
The mast block 20 is connected to. That is, the landing gear device 2
4 rises as the tower structure 10 rises.
【０００７】ここで、塔状構造物１０の構築作業につい
て説明する。塔状構造物１０の上端の内側を内側型枠２
８で覆うと共に外側を外側型枠３０で覆う。内側型枠２
８も外側型枠３０も、マストブロック２０の高さと同じ
例えば高さ１．８ｍとする。内側型枠２８と外側型枠３
０とで覆われた環状の空間３２（図６）にコンクリート
を流入する。一般には、コンクリートの凝固時間等を考
慮して、上下３段の内側型枠２８と外側型枠３０を用い
るが、複数段であれば良い。上下３段の内側型枠２８と
外側型枠３０が取り付けられている図５の状態から、下
の段の内側型枠２８と外側型枠３０を取り外して、その
取り外した内側型枠２８と外側型枠３０を上に持ち上
げ、上の段の内側型枠２８と外側型枠３０の上に載せ、
環状の空間３２を形成する（図６）。その空間３２内に
間にコンクリートを流入する。コンクリートを流入した
状態では図５の状態となる。その後、下の段の内外の内
側型枠２８と外側型枠３０を取り外して、上の段の内側
型枠２８と外側型枠３０の上に載せ図６の状態になり、
空間３２にコンクリートを流入する。この作業を繰り返
すことによって、塔状構造物１０の高さを高くすること
ができる。Here, the construction work of the tower structure 10 will be described. The inside of the upper end of the tower-shaped structure 10 is an inner mold 2
8 and the outside is covered with the outer mold 30. Inner formwork 2
Both 8 and the outer formwork 30 have the same height as the mast block 20, for example 1.8 m. Inner mold 28 and outer mold 3
Concrete is poured into an annular space 32 (FIG. 6) covered with 0 and. Generally, the upper and lower three stages of the inner mold 28 and the outer mold 30 are used in consideration of the solidification time of concrete and the like, but a plurality of stages may be used. From the state of FIG. 5 in which the inner mold 28 and the outer mold 30 in the upper and lower three stages are attached, the inner mold 28 and the outer mold 30 in the lower stage are removed, and the removed inner mold 28 and the outside Lift the formwork 30 up and place it on the inner formwork 28 and outer formwork 30 in the upper step,
An annular space 32 is formed (Fig. 6). Concrete flows into the space 32. The state shown in FIG. 5 is obtained when the concrete flows in. After that, the inner mold 28 and the outer mold 30 inside and outside the lower stage are removed and placed on the inner mold 28 and the outer mold 30 in the upper stage, and the state shown in FIG. 6 is obtained.
Concrete flows into the space 32. By repeating this operation, the height of the tower-shaped structure 10 can be increased.
【０００８】内側型枠２８の取り外し作業を上方への移
動作業は踊場装置２４を利用する。踊場装置２４は、上
下に昇降可能な移動踊場３４を有し、移動踊場３４を下
の段の内側型枠２８の下端と同じ高さにして下の段の内
側型枠２８を取り外し（図５）、その後、取り外した内
側型枠２８を移動踊場３４を載せて移動踊場３４を上昇
させる。その前後に、マスト２２にマストブロック２０
を１個連結して踊場装置２４の高さをマストブロック２
０の１個分上昇させる。ここで、図５のＡ−Ａ線と、図
６のＡ−Ａ線は同一高さを示す。その後、最上位の内側
型枠２８の上に移動踊場３４で移動した内側型枠２８を
載せて固定する（図６）。The landing device 24 is used for removing the inner mold 28 and moving it upward. The landing apparatus 24 has a moving landing 34 that can be moved up and down, and the moving landing 34 is at the same height as the lower end of the inner formwork 28 of the lower stage, and the inner formwork 28 of the lower stage is removed (see FIG. 5). ) After that, the removed inner mold 28 is mounted on the moving landing 34, and the moving landing 34 is raised. Before and after that, mast block 20 to mast 22
The height of the landing gear 24 by connecting one to the mast block 2
Increase by 0. Here, the AA line of FIG. 5 and the AA line of FIG. 6 show the same height. Then, the inner formwork 28 moved at the moving landing 34 is placed and fixed on the uppermost inner formwork 28 (FIG. 6).
【０００９】外側型枠３０の取り外し作業等は、図５や
図６に示す吊り足場３６を利用して行う。吊り足場３６
は、例えば最上位の外側型枠３０の上部からワイヤ３８
によって吊り下げる。外側型枠３０を取り外す場合に
は、図５に示すように、吊り足場３６の床面３７を最下
部の外側型枠３０の下面より若干低くなるよう吊り下げ
る。塔状構造物１０の最上位の駆体１２には上部に向け
て鉄筋４０が埋められており、この鉄筋４０に梯子４２
が連結されて、吊り足場３６の床面３７まで垂下してい
る。なお、梯子４２は、吊り足場３６と同様に、最上位
の外側型枠３０の上部に取り付ける場合もある。作業者
は梯子４２から吊り足場３６に降り、吊り足場３６で最
下位の外側型枠３０を外し、その外した外側型枠３０を
人力またはウィンチで上方に引っ張り上げていた。その
後、図５の最上位の外側型枠３０の上部に着脱自在な固
定足場４４を固定し、その固定足場４４に載って外して
上方に引っ張り上げた外側型枠３０を図５の最上位の外
側型枠３０の上に連結する（図６）。The work of removing the outer formwork 30 and the like are performed using the suspension scaffold 36 shown in FIGS. 5 and 6. Hanging scaffold 36
Is the wire 38 from the top of the outermost formwork 30, for example.
Hang by. When removing the outer formwork 30, as shown in FIG. 5, the floor surface 37 of the suspension scaffold 36 is suspended so as to be slightly lower than the lower surface of the outermost formwork 30 at the bottom. Reinforcing bars 40 are embedded in the uppermost structure 12 of the tower-shaped structure 10 toward the upper part, and a ladder 42 is attached to the reinforcing bars 40.
Are connected and hang down to the floor surface 37 of the suspension scaffold 36. Note that the ladder 42 may be attached to the upper part of the uppermost outer mold 30 as in the case of the suspension scaffold 36. The worker descends from the ladder 42 to the suspension scaffold 36, removes the lowest outer formwork 30 at the suspension scaffold 36, and pulls the removed outer formwork 30 upward by human power or a winch. Thereafter, the detachable fixed scaffold 44 is fixed to the upper part of the uppermost outer mold 30 in FIG. 5, and the outer mold 30 placed on the fixed scaffold 44 and removed and pulled upward is moved to the uppermost position in FIG. It connects on the outer formwork 30 (FIG. 6).
【００１０】[0010]
【発明が解決しようとする課題】図５及び図６に示すよ
うに、特開平８−２１８６２０号に示す塔状構造物建設
用足場装置を用いることによって、内側型枠２８の取り
外し作業や上方への移送作業は、塔状構造物１０の内側
にある踊場装置２４に作業員が載って行うことができる
ようになり、塔状構造物を建設する際の作業効率を向上
させることができた。しかし、内側型枠２８の取り外し
作業等は楽になっても、外側型枠３０の取り外し作業等
は、従来と同じ労力を必要とした。即ち、駆体１２が１
段高くなるごとに、梯子４２と吊り足場３６と固定足場
４４（図６）の取り付け作業と取り外し作業を行わなけ
ればならず、その作業に多大の工数がかかるという欠点
があると共に、作業中に作業者が墜落する危険性があっ
た。As shown in FIGS. 5 and 6, by using the scaffolding device for constructing a tower-like structure disclosed in Japanese Patent Laid-Open No. 8-218620, the inner formwork 28 can be removed or moved upward. The worker can carry out the transfer work of (1) on the landing device 24 inside the tower-like structure 10, and the work efficiency at the time of constructing the tower-like structure can be improved. However, even if the removal work of the inner mold 28 becomes easier, the removal work of the outer mold 30 requires the same labor as in the past. That is, the body 12
As the ladder 42, the suspension scaffold 36, and the fixed scaffold 44 (FIG. 6) have to be attached and detached at each step, there is a drawback that a lot of man-hours are required for the work, and at the same time during the work. There was a risk that the worker would crash.
【００１１】更に、図７及び図８に示すように、外側型
枠３０は、横幅が例えば３０センチで縦長の形状をして
おり、縦方向の両縁に直角方向に伸びるリブ４５を有し
ている。塔状構造物１０において躯体１２を１段ずつ積
み重ねる際には、多数の外側型枠３０を同一平面に配置
し、互いに隣り合うリブ４５同士を連結手段（図示せ
ず）で連結する。そして、例えば１枚おきの外側型枠３
０の同一高さ位置に支持ブラケット４６を固定する。そ
の隣り合うブラケット４６の同士の上に足場板４８を載
せ、その足場板４８の上で作業者が作業を行う。Further, as shown in FIGS. 7 and 8, the outer mold 30 has a vertically long shape with a lateral width of, for example, 30 cm, and has ribs 45 extending at right angles to both edges in the vertical direction. ing. When stacking the skeletons 12 in the tower-like structure 10 one by one, a plurality of outer molds 30 are arranged on the same plane, and ribs 45 adjacent to each other are connected by a connecting means (not shown). And, for example, every other outer mold 3
The support bracket 46 is fixed at the same height position of 0. A scaffold plate 48 is placed on the adjacent brackets 46, and an operator works on the scaffold plate 48.
【００１２】従来は、下方で取り外した外側型枠３０を
上方に引き上げる際に、足場板４８を取り除き、一対の
支持ブラケット４６の間を作業者が人力や小型のウイン
チで外側型枠３０を引き上げている。このため、外側型
枠３０の横幅を約３０センチ程度の短いものとせざるを
得なかった。塔状構造物１０に使用する１段当たりの外
側型枠３０は、一般には数十枚から百数十枚にもなり、
１段ずつ上方に移動する際に、外側型枠３０同士の取り
付け並びに取り外し作業や、外側型枠３０への支持ブラ
ケット４６の取り付け並びに取り外し作業に多大の作業
工数がかかっていた。Conventionally, when pulling up the outer formwork 30 removed from below, the scaffolding plate 48 is removed, and an operator pulls up the outer formwork 30 between the pair of support brackets 46 manually or with a small winch. ing. Therefore, the lateral width of the outer formwork 30 has to be short, about 30 cm. The outer formwork 30 per stage used for the tower-shaped structure 10 is generally several tens to one hundred and several tens,
When moving up one step at a time, a great number of work steps are required for the attachment and detachment work of the outer formwork 30 and the attachment and detachment work of the support bracket 46 to the outer formwork 30.
【００１３】本発明は上記の点に鑑みてなされたもの
で、駆体が１段高くなるごとに従来必要とした外側型枠
用の梯子や吊り足場や固定足場の取り付け並びに取り外
し作業と、外側型枠同士や外側型枠への支持ブラケット
の取り付け並びに取り外し作業とを無くし、作業工数の
省略によるコストの低減と工事期間の短縮とを達成し、
かつ作業者が墜落するおそれを無くすようにした塔状構
造物建設用足場装置を提供することを目的とするもので
ある。The present invention has been made in view of the above points, and the attachment and detachment work of the ladder for the outer formwork, the suspension scaffold, and the fixed scaffold, which are conventionally required every time the vehicle body is raised, and the outside Eliminating the work of attaching and detaching the support brackets between the molds and the outer mold, the cost and the construction period are shortened by omitting the man-hours.
Moreover, it is an object of the present invention to provide a scaffolding device for constructing a tower-shaped structure, which eliminates the risk of a worker falling.
【００１４】[0014]
【課題を解決するための手段】上記目的を達成するため
に本発明の塔状構造物建設用足場装置は、塔状構造物の
内側に多数のマストブロックを順次連結したマストで支
持される踊場装置を備え、前記マストの下端に前記マス
トブロックを連結したりあるいは取り外したりすること
で前記踊場装置を昇降させる塔状構造物建設用足場装置
において、前記踊場装置に固定されるものであって前記
塔状構造物の上方でその塔状構造物の内側から外側にわ
たる支持手段と、その支持手段に固定されるものであっ
て前記塔状構造物の外表面と間隔を開けてその塔状構造
物の外表面に対向する外部覆い部材と、その外部覆い部
材の前記塔状構造物側に上下に複数個備えられる揺動可
能な揺動足場とを有し、前記踊場装置と前記揺動足場と
を同時に昇降させるようにしたものである。In order to achieve the above object, a scaffolding apparatus for constructing a tower structure according to the present invention is a landing supported by a mast in which a large number of mast blocks are sequentially connected to the inside of the tower structure. A scaffolding device for constructing a tower-like structure, comprising a device, and connecting or disconnecting the mast block to or from the lower end of the mast to elevate or lower the landing device, which is fixed to the landing device. Support means extending from the inside to the outside of the tower-like structure above the tower-like structure, and the tower-like structure fixed to the support means and spaced from the outer surface of the tower-like structure. An outer cover member facing the outer surface of the outer cover member, and a plurality of swingable scaffolds vertically provided on the tower-like structure side of the outer cover member, the landing device and the swing scaffolding. And raise and lower simultaneously It is obtained by way.
【００１５】[0015]
【発明の実施の形態】次に本発明を図面に基づいて説明
する。図１は本発明に係る塔状構造物建設用足場装置の
要部縦断面図、図２は図１の平面図、図３は図１の要部
拡大縦断面図である。図１乃至図３において図４乃至と
同一符号は同一部材を示す。塔状構造物１０の内側に踊
場装置５０を備え、その踊場装置５０はマスト２２の下
側からマストブロック２０を１段ずつ連結することで１
段ずつ上昇するもので、一般に内側型枠２８の取り外し
作業等の際に利用するものである。この踊場装置５０に
は、上方に伸びる支持手段としての支柱５２が固定さ
れ、その支柱５２から水平方向に塔状構造物１０の外側
まで伸びる支持手段としての梁５４を固定する。この梁
５４は、建設中の塔状構造物１０の上端より、躯体１２
の１段以上は上方に突出するように設定する。塔状構造
物１０の外側に突出する梁５４から下方に外部覆い部材
５６が固定される。図示はしないが、支柱５２には梯子
が備えられ、作業者が踊場装置５０から支柱５２と梁５
４を経由して外部覆い部材５６に移動できるように設定
されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings. 1 is a vertical cross-sectional view of a main part of a scaffolding device for constructing a tower-like structure according to the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is an enlarged vertical cross-sectional view of the main part of FIG. 1 to 3, the same reference numerals as those in Figs. 4 to 4 denote the same members. A landing gear device 50 is provided inside the tower-shaped structure 10, and the landing gear device 50 connects the mast blocks 20 from the lower side of the mast 22 one by one.
It is raised step by step, and is generally used when removing the inner mold 28 or the like. A pillar 52 as a supporting means extending upward is fixed to the landing apparatus 50, and a beam 54 as a supporting means extending horizontally from the pillar 52 to the outside of the tower structure 10 is fixed. From the upper end of the tower structure 10 under construction, this beam 54 is
One or more steps of the above are set to project upward. An external covering member 56 is fixed downward from the beam 54 protruding to the outside of the tower structure 10. Although not shown, the support column 52 is provided with a ladder so that the operator can move the support device 52 and the beam 5 from the landing apparatus 50.
It is set so as to be able to move to the outer covering member 56 via 4.
【００１６】この外部覆い部材５６は、塔状構造物１０
の外表面に対向するもので、塔状構造物１０の外表面か
ら所定の間隔を開けてその外表面と平行に配置され、そ
の外部覆い部材５６の最下位位置は、建設中の塔状構造
物１０の上端の躯体１２から４段下の躯体１２よりも下
位となるのが望ましい。図１で示した塔状構造物１０の
平面外形形状は四角であるので、塔状構造物１０の４つ
のそれぞれの外面に対応して外部覆い部材５６を設け
る。塔状構造物１０の平面の外形形状が多角形の場合
は、原則としてその角数に応じて外部覆い部材５６の数
を設定する。塔状構造物１０の平面の外形形状が円形の
場合は、適宜の数の外部覆い部材５６の数を設定する。
外部覆い部材５６の最下位位置付近には、塔状構造物１
０の外表面に接触する揺れ止め部材５８と、その揺れ止
め部材５８の直近の上方に位置する固定足場６０とが固
定されている。外部覆い部材５６に固定される揺れ止め
部材５８は、外部覆い部材５６が揺れるのを防止するも
のである。固定足場６０は、万一、上方から作業者や外
側型枠３０が落下することがあったとしても、この固定
足場６０でそれらの下方への落下を阻止するものであ
る。The outer covering member 56 is a tower structure 10.
Of the outer wall of the tower-shaped structure 10 is arranged parallel to the outer surface of the tower-shaped structure 10 at a predetermined distance from the outer surface of the tower-shaped structure 10. The outermost position of the outer covering member 56 is the tower-shaped structure under construction. It is desirable that it is lower than the skeleton 12 at the upper end of the object 10 and lower than the skeleton 12 at the bottom by four steps. Since the external shape of the tower-shaped structure 10 shown in FIG. 1 is square, the external covering member 56 is provided corresponding to each of the four outer surfaces of the tower-shaped structure 10. In the case where the tower-shaped structure 10 has a polygonal outer shape in plan view, the number of external covering members 56 is basically set according to the number of corners. When the outer shape of the tower structure 10 in a plane is circular, an appropriate number of external covering members 56 is set.
In the vicinity of the lowest position of the outer covering member 56, the tower-shaped structure 1
An anti-sway member 58 that contacts the outer surface of 0 and a fixed scaffold 60 located immediately above the anti-sway member 58 are fixed. The shaking prevention member 58 fixed to the outer covering member 56 prevents the outer covering member 56 from shaking. The fixed scaffold 60 prevents the worker or the outer formwork 30 from falling from above even if the worker or the outer formwork 30 should drop from above.
【００１７】外部覆い部材５６には、塔状構造物１０の
外表面に向けて伸びる上下に複数の揺動足場６２が固定
される。図１では揺動足場６２は上下３段に設けられて
いるが、２段以上であれば３段に限るものではない。３
段の外側型枠３０が塔状構造物１０に取り付けられた状
態において、最上段の外側型枠３０の上端に合致する位
置に上段の揺動足場６２が位置し、最上段の外側型枠３
０と中段の外側型枠３０との接合部に合致する位置に中
段の揺動足場６２が位置し、最下段の外側型枠３０の下
端に合致する位置に下段の揺動足場６２が位置するよう
設定するのが望ましい。しかし、揺動足場６２の段数に
応じて、揺動足場６２の取り付け位置は異なるものとな
る。揺動足場６２は水平状態にした状態でその上に作業
者が載って作業するためのものであり、揺動足場６２を
水平状態にした場合には、その自由先端と塔状構造物１
０の外表面との間の隙間は、作業者がその隙間から落下
することがない程度に小さいものに設定する。各段の揺
動足場６２は、図２に示すように複数個から成る。外部
覆い部材５６において、各段の揺動足場６２と同じ高さ
には、作業者が乗り移ることができる足場板６３が固定
されている。A plurality of rocking scaffolds 62 are fixed to the outer covering member 56 in the vertical direction extending toward the outer surface of the tower-shaped structure 10. In FIG. 1, the swing scaffolds 62 are provided in upper and lower three stages, but the number of stages is not limited to three as long as it is two or more. Three
In a state where the outer molds 30 of the steps are attached to the tower-like structure 10, the swinging scaffolds 62 of the upper step are located at the positions matching the upper ends of the outer molds 30 of the uppermost step, and the outer molds 3 of the uppermost step 3
The middle rocking scaffold 62 is located at a position that matches the joint between 0 and the middle outer mold 30 and the lower rocking scaffold 62 is at a position that matches the lower end of the bottom outer mold 30. It is desirable to set as follows. However, the mounting position of the rocking scaffold 62 differs depending on the number of steps of the rocking scaffold 62. The oscillating scaffold 62 is for a worker to place and work on the oscillating scaffold 62 in a horizontal state. When the oscillating scaffold 62 is in a horizontal state, its free tip and the tower-shaped structure 1 are provided.
The gap between the outer surface of 0 and the outer surface is set to be small so that the worker does not fall through the gap. As shown in FIG. 2, the rocking scaffold 62 in each stage is composed of a plurality of pieces. In the outer covering member 56, a scaffolding plate 63 on which an operator can transfer is fixed at the same height as the rocking scaffolding 62 of each step.
【００１８】揺動足場６２や固定足場６０を備える外部
覆い部材５６は、梁５４と支柱５２とを介して塔状構造
物１０の内側の踊場装置５０と連結している。このた
め、揺動足場６２や固定足場６０は、マスト２２の下方
にマストブロック２０を１段連結することにより、踊場
装置５０と同時に上方向に移動する。The outer covering member 56 having the swinging scaffold 62 and the fixed scaffold 60 is connected to the landing gear device 50 inside the tower-shaped structure 10 through the beams 54 and the columns 52. Therefore, the rocking scaffold 62 and the fixed scaffold 60 move upward simultaneously with the landing gear device 50 by connecting the mast block 20 to one stage below the mast 22.
【００１９】図２に示すように、一対の外部覆い部材５
６の端同士が近接する位置に梯子６４が備えられる。こ
の梯子６４は図１には示さないが、図１の固定足場６０
から梁５４に連絡するように設定されている。この梯子
６４は、一方の外部覆い部材５６と連結固定される第一
ガイド６６に一方が固定され、他方の外部覆い部材５６
と連結固定される第二ガイド６８に他方が固定される。
即ち、梯子６４は直接または間接に外部覆い部材５６に
固定される。一対の外部覆い部材５６の端同士が近接す
る位置においては、その位置を囲む第一ガイド６６や第
二ガイド６８や梯子６４を介しては、作業者が内側から
外側に抜け出ることができないようにすることが望まし
い。また、外部覆い部材５６自体においても、作業者が
内側から外側に抜け出ることができない構造にすること
が望ましい。As shown in FIG. 2, a pair of outer cover members 5
A ladder 64 is provided at a position where the ends of 6 are close to each other. This ladder 64 is not shown in FIG. 1, but the fixed scaffolding 60 of FIG.
Is set to contact the beam 54. One of the ladders 64 is fixed to a first guide 66 connected and fixed to one of the outer cover members 56, and the other of the outer cover members 56 is fixed.
The other is fixed to the second guide 68 connected and fixed to.
That is, the ladder 64 is directly or indirectly fixed to the outer cover member 56. At the position where the ends of the pair of outer covering members 56 are close to each other, the operator cannot escape from the inside to the outside through the first guide 66, the second guide 68, and the ladder 64 that surround the position. It is desirable to do. Further, it is desirable that the outer cover member 56 itself has a structure that prevents the worker from slipping out from the inside.
【００２０】第二ガイド６８において、各段の揺動足場
６２と同じ高さに足場板７０が固定され、梯子６４を昇
り降りする作業者は、足場板７０から各段の揺動足場６
２に移動できるように設定されている。この足場板７０
からは、隣り合う外部覆い部材５６の揺動足場６２のど
ちらにも作業者が移動することができるよにする。ま
た、隣り合う外部覆い部材５６において、足場板７０の
無い箇所は隣り合う外部覆い部材５６の揺動足場６２同
士が近接しており、一方の外部覆い部材５６の揺動足場
６２から他方の外部覆い部材５６の揺動足場６２へ作業
者が直接移動することができるように設定されている。
即ち、作業者はある高さにおいて、揺動足場６２と足場
板７０とを利用して、塔状構造物１０の周囲を一周する
ことができるように設定されている。In the second guide 68, the scaffolding board 70 is fixed at the same height as the swinging scaffolding 62 of each step, and the worker who climbs up and down the ladder 64 can move from the scaffolding board 70 to the swinging scaffolding 6 of each step.
It is set to move to 2. This scaffolding board 70
Thus, the operator can move to either of the swinging scaffolds 62 of the adjacent outer covering members 56. Further, in the adjacent outer covering members 56, the rocking scaffolds 62 of the adjacent outer covering members 56 are close to each other in a portion where the scaffolding plate 70 is not present, and the rocking scaffolds 62 of one outer covering member 56 are connected to the outside of the other. It is set so that an operator can directly move to the swing scaffold 62 of the covering member 56.
That is, the worker is set to be able to go around the tower-shaped structure 10 at a certain height by using the rocking scaffold 62 and the scaffold plate 70.
【００２１】一方の外部覆い部材５６の揺動足場６２か
ら他方の外部覆い部材５６の揺動足場６２へ作業者が直
接移動することができる連絡箇所において、一方の外部
覆い部材５６に、揺動足場６２の側面から作業者が落下
するのを防止するための第三ガイド７２が固定される。
各高さの揺動足場６２においては、内側には塔状構造物
１０が位置し、外側には作業者が通過することのできな
い外部覆い部材５６が位置する。外部覆い部材５６の端
同士が近接する位置においては、作業者が通過すること
のできない梯子６４と第一ガイド６６と第二ガイド６８
と第三ガイド７２とで囲まれているので、揺動足場６２
や固定足場６０での作業者は、内側や外側に落下すると
いう危険性はない。また、図示はしないが、安全性を更
に高めるために、外部覆い部材５６の外側をネットで覆
っている。At the contact point where the operator can directly move from the swinging scaffolding 62 of one outer covering member 56 to the swinging scaffolding 62 of the other outer covering member 56, one outer covering member 56 is swung. A third guide 72 is fixed to prevent the operator from falling from the side surface of the scaffold 62.
In the rocking scaffold 62 of each height, the tower-shaped structure 10 is located inside, and the external covering member 56 that is not passable by the operator is located outside. At a position where the ends of the outer covering member 56 are close to each other, the ladder 64, the first guide 66, and the second guide 68, which the operator cannot pass through.
And the third guide 72, the rocking scaffold 62
An operator on the or fixed scaffold 60 does not have the risk of falling inside or outside. Further, although not shown, the outside of the outer covering member 56 is covered with a net in order to further enhance safety.
【００２２】本発明においては、１個の外側型枠３０の
横幅は、塔状構造物１０の四角形（図２に示す四角形の
場合）の一辺の長さとほぼ同じとする。もし、塔状構造
物１０の多角形の一辺の長さが非常に長い場合には、一
辺当たり２枚の外側型枠３０を用いるようにしても良
い。In the present invention, the lateral width of one outer mold 30 is substantially the same as the length of one side of the quadrangle (in the case of the quadrangle shown in FIG. 2) of the tower structure 10. If the length of one side of the polygon of the tower-shaped structure 10 is extremely long, two outer molds 30 may be used for each side.
【００２３】次に、外側型枠３０の取り外し作業や取り
付け作業について説明する。図１の状態において、最下
段の揺動足場６２で作業員が最下段の外側型枠３０を取
り外す。最下段の外側型枠３０を外した後、上段の揺動
足場６２と中段の揺動足場６２とをほぼ鉛直になるよう
に揺動させ（揺動足場６２を二点鎖線の位置に移動さ
せ）、その後、図示しないクレーンで取り外した最下段
の外側型枠３０を持ち上げ、図１の最上位の外側型枠３
０の上に外側型枠３０を載せ、互いに接合した外側型枠
３０同士を図示しない連結手段で固定する。図示しない
連結手段で接合した外側型枠３０同士を固定する作業を
行う場合は、上段の揺動足場６２を二点鎖線の位置から
実線の位置に戻し、上段の揺動足場６２に載って作業を
行う。上段の揺動足場６２と中段の揺動足場６２とをほ
ぼ鉛直になるように揺動させることにより、取り外した
最下段の外側型枠３０をクレーンで上方に移動する際の
障害が無くなる。これによって、クレーンでの外側型枠
３０の移動が可能になり、更に、外側型枠３０の横幅を
可能な限り長くすることも可能になる。Next, the removal work and the installation work of the outer formwork 30 will be described. In the state shown in FIG. 1, the worker removes the lowermost outer mold 30 on the lowermost rocking scaffold 62. After removing the outermost formwork 30 at the bottom, the upper swinging scaffold 62 and the middle swinging scaffold 62 are swung so as to be substantially vertical (the swinging scaffold 62 is moved to a position indicated by a chain double-dashed line). ), After that, the lowermost outer formwork 30 removed by a crane (not shown) is lifted, and the uppermost outer formwork 3 in FIG.
The outer mold 30 is placed on the outer mold 0, and the outer molds 30 joined to each other are fixed by a connecting means (not shown). In the case of performing work for fixing the outer formwork 30 joined together by a connecting means (not shown), the upper swinging scaffold 62 is returned from the position of the chain double-dashed line to the position of the solid line, and the work is performed on the upper swinging scaffolding 62. I do. By swinging the upper swinging scaffold 62 and the middle swinging scaffold 62 so as to be substantially vertical, there is no obstacle when the detached lowermost outer formwork 30 is moved upward by the crane. This allows the outer formwork 30 to be moved by a crane, and further allows the lateral width of the outer formwork 30 to be as long as possible.
【００２４】その後、上方に移動した内側型枠２８と外
側型枠３０との間にコンクリートを流し込み、その後、
マスト２２の最下端にマストブロック２０を１個連結す
る。マスト２２にマストブロック２０を連結することに
よって、踊場装置５０と揺動足場６２や固定足場６０を
備える外部覆い部材５６とが、同時に同一高さだけ上方
に上昇する。外側型枠３０の取り外し作業や取り付け作
業は、上述の手順を繰り返す。After that, concrete is poured between the inner mold 28 and the outer mold 30 which have moved upward, and then,
One mast block 20 is connected to the lowermost end of the mast 22. By connecting the mast block 20 to the mast 22, the landing gear device 50 and the outer covering member 56 including the swinging scaffold 62 and the fixed scaffold 60 simultaneously rise upward by the same height. The above-described procedure is repeated for the removal work and the installation work of the outer formwork 30.
【００２５】塔状構造物１０が完成した後は、梁５４か
ら外部覆い部材５６を外すことによって、外部覆い部材
５６は自由になる。また、支柱５２から梁５４を外すこ
とによって、梁５４は自由になる。支柱５２から梁５４
を外した後、マスト２２からマストブロック２０を順に
外し、踊場装置５０を塔状構造物１０の内部の底面まで
下降させることができる。その後、踊場装置５０を解体
搬出して、塔状構造物１０が最終的に完成する。After the tower-like structure 10 is completed, the outer covering member 56 can be freed by removing the outer covering member 56 from the beam 54. Further, by removing the beam 54 from the column 52, the beam 54 becomes free. Post 52 to beam 54
After removing, the mast block 20 can be sequentially removed from the mast 22, and the landing device 50 can be lowered to the bottom surface inside the tower-shaped structure 10. Then, the landing gear apparatus 50 is dismantled and carried out, and the tower-shaped structure 10 is finally completed.
【００２６】[0026]
【発明の効果】以上のように、本発明に係わる塔状構造
物建設用足場装置によれば、塔状構造物の外側に備えた
揺動足場や梯子は、塔状構造物の内側に備えられマスト
ブロック１段ごとに昇降する踊場装置と、梁等の支持部
材と外部覆い部材を介して連結されているので、揺動足
場や梯子は踊場装置と同時に上下方向に移動する。この
ため、外側型枠の取り外し作業や取り付け作業を行う際
に、従来必要とした吊り足場と梯子の取り付け作業や取
り外し作業を行う必要が無くなり、作業コストを低減で
きると共に、工事期間を短縮することができる。更に、
吊り足場と梯子の取り付け作業や取り外し作業を無くし
たので、その作業中に生じるおそれのある作業者の落下
の発生を完全に無くすことができる。また、外部覆い部
材に取り付ける複数の足場を揺動可能な揺動足場とした
ので、上方の揺動足場をほぼ垂直方向に揺動させること
によって、下方の足場で取り外した外側型枠をクレーン
で上方に持ち上げることが可能となり、外側型枠の上方
への移動作業の能率を向上させることができる。その
上、各段の外側型枠の横幅を可能な限り長くすることが
できるので、従来のような狭い横幅の外側型枠同士の取
り付け並びに取り外し作業や、外側型枠に足場板の取り
付け並びに取り外し作業を無くすことができる。これよ
って、作業コストを更に低減できると共に、工事期間を
更に短縮することができる。As described above, according to the scaffolding apparatus for constructing a tower-like structure according to the present invention, the rocking scaffold or ladder provided outside the tower-like structure is provided inside the tower-like structure. Since the landing gear device that moves up and down for each stage of the mast block is connected to the support member such as a beam and the outer covering member, the swinging scaffold and the ladder move in the vertical direction simultaneously with the landing gear device. For this reason, when removing or installing the outer formwork, it is not necessary to perform the installing and removing work of the suspension scaffold and the ladder, which has been required in the past, and the work cost can be reduced and the construction period can be shortened. You can Furthermore,
Since the work of attaching and detaching the suspension scaffold and the ladder is eliminated, it is possible to completely eliminate the fall of the worker which may occur during the work. Further, since the plurality of scaffolds attached to the outer covering member are swingable scaffolds, the outer formwork removed at the lower scaffolds can be removed by a crane by swinging the upper swinging scaffolds in a substantially vertical direction. It is possible to lift upward, and the efficiency of the work of moving the outer formwork upward can be improved. In addition, since the lateral width of the outer formwork of each stage can be made as long as possible, the work of attaching and detaching the outer formwork with narrow width as in the past, and the attachment and detachment of the scaffolding board to the outer formwork. Work can be eliminated. As a result, the work cost can be further reduced and the construction period can be further shortened.
【図１】本発明に係る塔状構造物建設用足場装置の要部
縦断面図である。FIG. 1 is a vertical cross-sectional view of a main part of a scaffolding device for constructing a tower-like structure according to 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の要部拡大縦断面図である。FIG. 3 is an enlarged vertical sectional view of a main part of FIG.
【図４】従来の塔状構造物建設用足場装置の下部の要部
縦断面図である。FIG. 4 is a vertical cross-sectional view of essential parts of a lower portion of a conventional scaffolding device for constructing a tower-like structure.
【図５】従来の塔状構造物建設用足場装置の上部の要部
縦断面図である。FIG. 5 is a vertical cross-sectional view of a main part of an upper portion of a conventional scaffolding device for constructing a tower-like structure.
【図６】従来の塔状構造物建設用足場装置の上部の要部
縦断面図である。FIG. 6 is a vertical cross-sectional view of an essential part of an upper portion of a conventional scaffolding device for constructing a tower-like structure.
【図７】従来の塔状構造物建設用足場装置の足場回りを
示す平面図である。FIG. 7 is a plan view showing around a scaffold of a conventional scaffolding device for constructing a tower-like structure.
【図８】従来の塔状構造物建設用足場装置の足場回りを
示す斜視図である。FIG. 8 is a perspective view showing a scaffold area of a conventional scaffolding device for constructing a tower-like structure.
１０ 塔状構造物 ２０ マストブロック ２６ マスト ５０ 踊場装置 ５２ 支柱 ５４ 梁 ５６ 外部覆い部材 ６０ 固定足場 ６２ 揺動足場 ６４ 梯子 ６６ 第一ガイド ６８ 第二ガイド ７２ 第三ガイド 10 Tower structure 20 mast blocks 26 masts 50 landing gear 52 props 54 beams 56 External cover member 60 fixed scaffolding 62 rocking scaffolding 64 ladder 66 First Guide 68 Second Guide 72 Third Guide
Claims (4)
クを順次連結したマストで支持される踊場装置を備え、
前記マストの下端に前記マストブロックを連結したりあ
るいは取り外したりすることで前記踊場装置を昇降させ
る塔状構造物建設用足場装置において、前記踊場装置に
固定されるものであって前記塔状構造物の上方でその塔
状構造物の内側から外側にわたる支持手段と、その支持
手段に固定されるものであって前記塔状構造物の外表面
と間隔を開けてその塔状構造物の外表面に対向する外部
覆い部材と、その外部覆い部材の前記塔状構造物側に上
下に複数個備えられる揺動可能な揺動足場とを有し、前
記踊場装置と前記揺動足場とを同時に昇降させることを
特徴とする塔状構造物建設用足場装置。1. A mast-supported landing gear device in which a large number of mast blocks are sequentially connected to the inside of a tower-shaped structure,
A tower-shaped structure construction scaffolding device for raising and lowering the landing device by connecting or disconnecting the mast block to the lower end of the mast, the tower-shaped structure being fixed to the landing device. A support means extending from the inside to the outside of the tower-like structure above, and being fixed to the support means, the outer surface of the tower-like structure being spaced apart from the outer surface of the tower-like structure. An outer cover member facing each other and a plurality of swingable rocking scaffolds vertically provided on the tower-like structure side of the outer cover member are provided, and the landing device and the rocking scaffold are simultaneously moved up and down. A scaffolding device for constructing a tower-like structure, which is characterized in that
おいて前記外部覆い部材に固定足場を取り付けたことを
特徴とする請求項１記載の塔状構造物建設用足場装置。2. The scaffolding device for constructing a tower structure according to claim 1, wherein a fixed scaffold is attached to the outer covering member at a position below the plurality of swinging scaffold positions.
に至ることができる梯子を前記外部覆い部材に固定する
ことを特徴とする請求項１乃至２記載の塔状構造物建設
用足場装置。3. The scaffolding apparatus for constructing a tower structure according to claim 1, wherein a ladder that can reach the plurality of swinging scaffolds and the fixed scaffolding is fixed to the outer covering member.
側に通り抜けられない構造にすると共に、外部覆い部材
の端同士が近接する位置において作業者がその近接位置
の内側から外側に通り抜けることができないためのガイ
ドを備えることを特徴とする請求項１乃至３記載の塔状
構造物建設用足場装置。4. The outer cover member has a structure in which a worker cannot pass from the inside to the outside, and at a position where the ends of the outer cover member are close to each other, the worker can pass from the inside to the outside of the close position. The scaffolding apparatus for constructing a tower-like structure according to any one of claims 1 to 3, wherein the scaffolding device is provided with a guide for disabling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10234513A JP2944998B1 (en) | 1998-08-20 | 1998-08-20 | Scaffolding equipment for building tower structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10234513A JP2944998B1 (en) | 1998-08-20 | 1998-08-20 | Scaffolding equipment for building tower structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2944998B1 JP2944998B1 (en) | 1999-09-06 |
| JP2000064598A true JP2000064598A (en) | 2000-02-29 |
Family
ID=16972211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10234513A Expired - Fee Related JP2944998B1 (en) | 1998-08-20 | 1998-08-20 | Scaffolding equipment for building tower structures |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2944998B1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010133084A (en) * | 2008-12-02 | 2010-06-17 | Totetsu Kogyo Co Ltd | Method of constructing hollow high structure |
| JP2010180623A (en) * | 2009-02-05 | 2010-08-19 | Ohbayashi Corp | Scaffold structure |
| CN106437123A (en) * | 2016-08-19 | 2017-02-22 | 中国三冶集团有限公司 | Supporting leg automatic turnover type overall lifting elevator well operation platform |
-
1998
- 1998-08-20 JP JP10234513A patent/JP2944998B1/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010133084A (en) * | 2008-12-02 | 2010-06-17 | Totetsu Kogyo Co Ltd | Method of constructing hollow high structure |
| JP2010180623A (en) * | 2009-02-05 | 2010-08-19 | Ohbayashi Corp | Scaffold structure |
| CN106437123A (en) * | 2016-08-19 | 2017-02-22 | 中国三冶集团有限公司 | Supporting leg automatic turnover type overall lifting elevator well operation platform |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2944998B1 (en) | 1999-09-06 |
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