DEMOLITION METHOD OF STORAGE TANK

To provide a demolition method of a storage tank that can efficiently make a roof descend to a bottom and suppress sound leakage of noise and scattering of powder dust.SOLUTION: A demolition method of a storage tank 1 according to the invention includes: a preparation step Step1 of setting a startin...

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Bibliographische Detailangaben
Hauptverfasser: TSUJI TATSUO, NAKAMURA HIDEAKI, TOMITA SHO, IIDA ATSUSHI, TAMANO NOBUYUKI, NISHIGAMI HIROYUKI, KIRIMURA YUTA
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a demolition method of a storage tank that can efficiently make a roof descend to a bottom and suppress sound leakage of noise and scattering of powder dust.SOLUTION: A demolition method of a storage tank 1 according to the invention includes: a preparation step Step1 of setting a starting point P and an end point Q when cutting the storage tank 1 in the circumferential direction; a slit formation step Step2 of forming a plurality of slits S at an outer marginal part 12a of a roof 12; a circumferential direction cutting step Step3 of cutting a bottom edge of the slit S in the circumferential direction of a sidewall 11 until the roof 12 reaches the bottom 13; a roof demolition step Step4 of demolishing the roof 12 within the sidewall 11 with the sidewall 11 left therein; and a sidewall demolition step Step5 of demolishing the sidewall 11.SELECTED DRAWING: Figure 1 【課題】効率よく屋根を底部まで下降させることができるとともに、騒音の音漏れや粉塵の飛散を抑制することができる、タンクの解体方法を提供する。【解決手段】 本発明の一実施形態に係るタンク1の解体方法は、タンク1を周方向に切断する始点P及び終点Qを設定する準備工程Step1と、屋根12の外縁部12aに複数のスリットSを形成するスリット形成工程Step2と、スリットSの下端を屋根12が底部13に到達するまで側壁11の周方向に切断する周方向切断工程Step3と、側壁11を残した状態のまま側壁11の内部で屋根12の解体を行う屋根解体工程Step4と、側壁11の解体を行う側壁解体工程Step5と、を有している。【選択図】図1