JP4122501B2 - ケーソンの移動式足場工法 - Google Patents
ケーソンの移動式足場工法 Download PDFInfo
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- JP4122501B2 JP4122501B2 JP2005141426A JP2005141426A JP4122501B2 JP 4122501 B2 JP4122501 B2 JP 4122501B2 JP 2005141426 A JP2005141426 A JP 2005141426A JP 2005141426 A JP2005141426 A JP 2005141426A JP 4122501 B2 JP4122501 B2 JP 4122501B2
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- 238000010276 construction Methods 0.000 title claims description 12
- 239000000725 suspension Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 description 9
- 238000009415 formwork Methods 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Description
(1)ケーソン内桝内での足場の上下移動が可能になり、内桝内の清掃、補修、Pコン処理、資材の撤去作業を容易且つ安全に行うことができる。
(2)ケーソン内桝内への足場の設置作業を短時間で行うことができ、足場材の使用数量を大幅に削減することができる。
(3)作業用ステージ及び支持ブラケットが縦横伸縮自在に設けられているので、既に構築されたケーソン内桝の大きさにも自由に対応できる。
1a 開口
1b 手すり
2 昇降足場
2a 階段
3 懸吊ワイヤー
3a アイスプライス(玉掛索)
4 支持ブラケット
5 支持梁
6 Pコン
7 セパレーター
8 クレーンの吊りワイヤー
9 作業者
10 ケーソン躯体
10a ケーソンのセグメント
10b ケーソンのセグメント
10c ケーソンのセグメント
U 足場ユニット
Claims (2)
- 平面中央に開口を空けて鋼材を井桁状に組立て、周囲に手すりを設けた作業用ステージと、この開口に上下に挿通可能な昇降足場と、該昇降足場の下端に連結されると共に、鋼材を井桁状に組立てた支持ブラケットとからなる足場ユニットを、ケーソン躯体の頂部に固定された支持梁からケーソン内桝内に垂下されるワイヤーに多段に設けられたアイスプライス(玉掛索)を介して懸吊支持し、先ず、現在係止されているアイスプライスから作業用ステージに連結されたフックと、昇降足場の上部に連結されたフックを外し、この状態で作業用ステージを昇降足場の下端あるいは所望する高さまでクレーンにより上昇又は下降させる。次いで、作業者は昇降足場を利用して上方又は下方に移動し、所望する位置に対応するアイスプライスに作業用ステージを連結し、懸吊ワイヤーに再度懸吊する。次いで、作業者は作業用ステージに連結されたクレーン等の荷役装置からの吊りワイヤーを外し、昇降足場を利用して上方又は下方に移動し、この吊りワイヤーを昇降足場の上部に連結する。続いて作業者は再び作業用ステージに移動し、昇降足場の下部と懸吊ワイヤーとの連結を解除する。この状態で昇降足場をクレーンにより上昇又は下降させ、所望する位置に対応するアイスプライスに連結して懸吊ワイヤーに再度懸吊し、足場ユニットを上下方向に移設して行くことを特徴とするケーソンの移動式足場工法。
- 支持ブラケット及び作業用ステージが縦横伸縮自在に設けられていることを特徴とする請求項1記載のケーソンの移動式足場工法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005141426A JP4122501B2 (ja) | 2005-05-13 | 2005-05-13 | ケーソンの移動式足場工法 |
Applications Claiming Priority (1)
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JP2005141426A JP4122501B2 (ja) | 2005-05-13 | 2005-05-13 | ケーソンの移動式足場工法 |
Publications (2)
Publication Number | Publication Date |
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JP2006316543A JP2006316543A (ja) | 2006-11-24 |
JP4122501B2 true JP4122501B2 (ja) | 2008-07-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005141426A Active JP4122501B2 (ja) | 2005-05-13 | 2005-05-13 | ケーソンの移動式足場工法 |
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JP (1) | JP4122501B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07285604A (ja) * | 1994-04-21 | 1995-10-31 | Gifu Plast Ind Co Ltd | 屋外ゴミ収集用容器 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6562544B2 (ja) * | 2015-07-07 | 2019-08-21 | 前田建設工業株式会社 | 円筒状ケーソンの足場 |
JP6868342B2 (ja) * | 2016-04-18 | 2021-05-12 | 前田建設工業株式会社 | 複数階層の建築物の施工工程における縦穴空間の有効利用方法 |
CN108914956A (zh) * | 2018-08-31 | 2018-11-30 | 南通华新建工集团有限公司 | 一种多节方形沉井内脚手架装配式支撑平台 |
KR102565877B1 (ko) * | 2020-12-17 | 2023-08-10 | 주식회사 포스코 | 작업 장치 및 방법 |
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2005
- 2005-05-13 JP JP2005141426A patent/JP4122501B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07285604A (ja) * | 1994-04-21 | 1995-10-31 | Gifu Plast Ind Co Ltd | 屋外ゴミ収集用容器 |
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