四川省大渡河沙坪二级水电站导流明渠结构施工技术要求

四川省大渡河沙坪二级水电站导流明渠结构施工技术要求50p

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 四川省大渡河沙坪二级水电站 导流明渠结构施工技术要求
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 二○一一年七月·杭州
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 核 定：
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 审 查：
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 校 核：
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 编 写：
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 目 录
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 1 编制说明 ······························································································································ 1
2 总 则 ·································································································································· 1 3
固结灌浆和帷幕灌浆 ·········································································································· 3 3.1
材 料 ··························································································································· 3 3.2 灌浆
孔的钻孔 ··············································································································· 4 3.3 钻孔冲洗
和压水试验 ··································································································· 6 3.4 灌浆试
验 ······················································································································· 7 3.5 制
浆 ··························································································································· 8 3.6 基岩固结
灌浆 ··············································································································· 8 3.7 基岩帷幕灌
浆 ············································································································· 10 3.8 灌浆工程验
收 ············································································································· 12 4 混 凝 土 工
程 ························································································································ 12 4.1 常态混凝
土 ················································································································· 12 4.2 模
板 ························································································································· 29 4.3 钢
筋 ························································································································· 32 4.4 锚
筋 ························································································································· 35 4.5 分缝和止
水 ················································································································· 36 4.6 混凝土温度控
制 ········································································································· 37 5 安 全 施
工 ···························································································································· 39 6 环境保
护 ···························································································································· 40 6.1 生态环
境保护 ············································································································· 41 6.2 水环境保
护 ················································································································· 42 6.3 声环境保
护 ················································································································· 43 6.4 空气污染控