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用SJ—Ⅰ型引气剂配制的高抗冻耐久性混凝土首次在云峰水电站大坝补强维修工程中应用。11个溢流面坝段浇筑掺SJ—1混凝土约6000m~3,收到了明显效果,并在经济、技术、方便施工等方面显示出了较强的综合性优势。
The high-freeze-resistant and durable concrete formulated with SJ-I air-entraining agent was used for the first time in the reinforcement repair project of the Yunfeng Hydropower Station. The 11 spillway dam sections were cast with SJ-1 concrete about 6000m 3, which received obvious results and showed strong comprehensive advantages in economy, technology and convenient construction.