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縉云抽水蓄能電站國內首次成功實踐TBM掘進技術

時間:2022-02-21 08:46:52
  近日,隨著機器轟鳴、刀盤緩緩轉動,一條鋼鐵“巨龍”嶄露頭角——國網新源浙江縉云抽水蓄能電站“吉光號”TBM破巖而出,縉蓄電站廠房上層中部排水廊道順利貫通,標志著縉蓄電站TBM應用和科技創新邁入新階段,開創了TBM無導洞始發和長距離后退技術在國內成功實踐的先河。

  TBM掘進技術是目前世界上最為先進的隧道開挖方法,相對于傳統鉆爆法等施工方法具有明顯的快速、優質、安全、經濟、環保等優點。“吉光號”TBM應用于縉蓄電站廠房第一、二、三層和引水下層排水廊道的開挖建設,于2021年11月25日正式始發推進。歷經82天的征程,順利完成6個彎道、2段直線、共650.681掘進米的排水廊道掘進任務,創造出單班最高進尺13.16米、日最高進尺24.18米的優異成績,成功突破了首個關鍵工程節點,迎來虎年“開門紅”。

  縉蓄電站始終實行“機械化換人、自動化減人、智能化無人”科技強安戰略,建立“黨建+科技創新”抽蓄電站復雜空間排水廊道TBM法創新研究應用示范項目、創建無違章工區示范項目,攻克坡陡彎急洞室群穩定截割與高效運輸技術、非連續隧洞設備快速轉場技術這兩項工程應用難點,在國內和行業內首創八項TBM施工工法工藝。

  此次“吉光號”的首次出洞,吹響了工程施工機械化、智慧化、綠色化轉型沖鋒號角,為電站工程推進樹立了新的里程碑,進一步推動國網新源公司科技強安戰略實施。

  來源:麗水日報

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