【正文】 材料檢測 對所有購進原材料和商品混凝土的出廠合格證和說明書進行驗收，并登記記錄。 限 制坡度： 20‰。 正線數(shù)目：雙線。 復合式襯砌支護參數(shù)表 隧道正洞除洞門采用整體式襯砌外，其余采用復合式襯砌。 地形地貌 隧道處于天目山山脈西南，地處剝蝕中低山區(qū)，山勢陡峻，地勢北高、南低、溝谷縱橫、植被較發(fā)育、灌木雜草叢生，基巖多裸露。 3)經(jīng)濟合理性原則 針對工程的實際情況，本著可靠、經(jīng)濟、合理的原則比選施工方案，并配備充足的資源，施工過程實施動態(tài)管理，從而使工程施工達到既經(jīng)濟又優(yōu)質(zhì)的目標。 天目山隧道進口 仰拱、二次襯砌專項施工方案 1 新建 杭州至黃山鐵路先期 段 HHXQZQⅠ標段 天目山隧道進口仰拱、二次襯砌 專項施工方案 編制： 復核： 審核： 審批： 中鐵隧道集團有限公司 杭黃鐵路站前Ⅰ標項目經(jīng)理部 二〇一四年八月 天目山隧道進口 仰拱、二次襯砌專項施工方案 2 目錄 一、編制依據(jù) ................................................................................................................................... 3 二、編制原則 ................................................................................................................................... 3 三、工程概況 ................................................................................................................................... 3 .................................................................................................................................... 3 .................................................................................................................................... 4 ............................................................................................................... 4 ...................................................................................................................... 4 四、材料及試驗 ............................................................................................................................... 5 .................................................................................................................................... 5 土檢測 .................................................................................................................. 5 五、施工計劃 ................................................................................................................................... 5 六、機械設備及人員配備 ................................................................................................................. 6 ................................................................................................................................ 6 ............................................................................................................................. 6 七、施工工藝 ................................................................................................................................... 7 ............................................................................................................... 7 .................................................................................................................................... 8 ........................................................................................................... 8 施工方法 ............................................................................................................................... 8 .............................................................................................................................. 12 （排水板）安設 ............................................................................................................. 12 ........................................................................................................................... 13 .................................................................................................................... 16 .................................................................................................................................. 19 .................................................................................................................................. 19 八、質(zhì)量保證措施 .......................................................................................................................... 22 九、保證安全的主要措施 ............................................................................................................... 23 十、文明施工 ................................................................................................................................. 25 十一、施工環(huán)境保護、水土保持及節(jié)能減排措施 ............................................................................ 26 ................................................................................................ 26 ....................................................................................................... 26 ........................................................................................................