隧道施工项目六支护施工56课件.pptx

;学习目标Learningobjectives;一、概述overview;一、概述overview;二、混凝土材料及模板的选择Selectionofconcretematerialsandformwork;二、混凝土材料及模板的选择Selectionofconcretematerialsandformwork;二、混凝土材料及模板的选择Selectionofconcretematerialsandformwork;三、模筑衬砌施工准备工作Preparationsfortheconstructionofmoldedlinings;三、模筑衬砌施工准备工作Preparationsfortheconstructionofmoldedlinings;三、模筑衬砌施工准备工作Preparationsfortheconstructionofmoldedlinings;四、混凝土浇筑施工Concretepouringconstruction;四、混凝土浇筑施工Concretepouringconstruction;混凝土的养护与拆模Maintenanceanddisassemblyofconcrete;五、拱顶回填注浆Vaultbackfillgrouting;六、仰拱和底板Backarchesandbaseplates;;六、仰拱和底板Backarchesandbaseplates;六、仰拱和底板Backarchesandbaseplates;衬砌施工流程Liningconstructionprocess;