A1-4丹景2号隧道施工质量安全控制要点

目录

一、施工准备 ··············································································································· 2

1、质量 ·······························································································································2

2、安全 ·······························································································································2

二、洞口边仰坡开挖 ··································································································· 2

1、质量 ·······························································································································2 2、安全 ·······························································································································2

三、喷射混凝土 ··········································································································· 3

1、质量 ·······························································································································3 2、安全 ·······························································································································5

四、锚杆 ······················································································································· 5

1、质量 ·······························································································································5 2、安全 ·······························································································································6

五、钢筋网 ··················································································································· 6

1、质量 ·······························································································································6 2、安全 ·······························································································································7

六、管棚 ······················································································································· 7

1、质量 ·······························································································································7 2、安全 ·······························································································································8

七、超前支护施工 ······································································································· 8

1、质量 ·······························································································································8 2、安全 ·······························································································································8

八、隧道洞身开挖 ······································································································· 9

1、质量 ·······························································································································9 2、安全 ····························································································································· 10

九、钢筋拱架施工 ····································································································· 12

1、质量 ····························································································································· 12 2、安全 ····························································································································· 13

十、模筑砼施工 ········································································································· 14

1、质量 ····························································································································· 14 2、安全 ····························································································································· 15

十一、仰拱和底板施工 ····························································································· 15

1、质量 ····························································································································· 15 2、安全 ····························································································································· 16

十二、防排水施工 ····································································································· 16

1、质量 ····························································································································· 16 2、安全 ····························································································································· 17

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