土木工程毕业设计--隧道的主体结构及主要工程项目的施工设计

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1、I 摘要摘要 本设计对包家山隧道的主体结构及主要工程项目的施工进行了设计，内容主要包 括：对隧道平面、纵断面、横断面的设计以满足经济、合理、安全、施工容易等要求； 在考虑尽量少刷坡和隧道“早进洞、晚出洞”的原则确定洞门位置；根据隧道进出口地 形和工程地质条件，结合开挖边仰坡的稳定性及洞口防排水需要，选用经济、美观并有 利于视线诱导的洞门形式；采用假定抗力图形法，考虑弹性反力作用，对隧道衬砌结构 设计和计算以保证衬砌能够满足围岩压力的要求；选择合适隧道施工工艺使之满足本隧 道围岩节理发育、围岩不稳定易发生变形等要求；在开挖过程中，采用光面爆破技术， 并进行科学管理。 关键词：关键词：隧道；主体结

2、构；施工；设计 II Abstract The design design the major structure and the construction of main engineering of Baojiashan tunnel, the content mainly includes: Plane of the tunnel, vertical section of the tunnel, cross section of the tunnel design to meet the needs of the economy, a reasonable, safe, easy con

3、struction, etc. Brush as little as possible in considering the slope and tunnel “getting in the tunnel portal as early as possible and getting out the tunnel portal as late as possible“ principle to determine the location of portal;.import and export under the tunnel and engineering geological condi

4、tions of the terrain, combined with the excavation side slope stability and Yang drainage holes need to choose the economic, aesthetic and conducive to the form of attention-induced portal; Using putative resistance graphic method,in consideration of the elastic force, structural design of tunnel lining and calculation to ensure the lining to meet the requirements of pressure of surrounding rock Choosing the right tunnel construction craft to meet the joint development of tunnel surrounding roc