摘要
大米家隧道为单线铁路隧道，洞身位于直线上，起讫里程：ZDK65+560~ ZDK65+623 ，其长度为63m。设计中的项目主要包括撰写开题报告、洞门的位置选择、洞口开挖线的绘制、洞门类型的选择及绘制、洞门结构设计及检算、衬砌结构设计及检算、绘制衬砌结构横断面图、防排水措施、编写施工组织设计。
本设计的主要内容包括：1
1.据给定的隧道线形，确定隧道洞口位置，洞口的排水设施；
⒉确定隧道洞门的类型及结构，并进行检算；洞门选择台阶式洞门，在洞门检算中，应用挡土墙理论对洞门进行了强度和稳定性检算，经检算洞门设计符合要求，检算合格。
⒊绘制洞门图；
⒋洞身衬砌的设计及检算；衬砌检算时，首先对隧道的衬砌进行选择，对二次衬砌进行分块并编写检算数据，然后用FORTRAN程序对衬砌内力进行检算，检算合格。
⒌进行施工组织设计。
关键词： 隧道 ； 设计； 洞门； 衬砌； 施工组织
Abstract
The tunnel of Damijia is a one-lane railway tunnel, which is on the straight line from ZDK65+560 to ZDK65+623, 63 meters length. The project in the design mainly includes writing the opening speech , choice of place of the hole door, excavate the drawing of the line in the entrance to a cave, choice and drawing of the hole class type, hole door structural design and examine , regard as , line structural design of building with and examine , calculate , draw , line with , build structural cross section pursue , prevent measure of draining off water from , write , construct , organize , design.
The content of this graduation project is Damija railway tunnel design, this design mainly includes the following items：
1. In the given part of the line, position of the tunnel entrance should be decided.
2. Decide the type and the struction of the tunnel portal, and then test should be done. Hole door choose step wall hole door, door examine , regard as , employ retaining wall theory go on intensity and stability examine , charge to hole wing wall and end wall of door in hole, through examine , charge hole design of door to fulfill requirements, examine qualified.
3. Draw the map of the tunnel portal and longitudinal section map.
4. The design of the tunnel lining and the lining test of this part have been done. Line with , build , examine calculate , lining in tunnel build , go on , choose , line to 2 with , build , go on , divide yuan into and write and examine the data of calculating at first, employ , line with , build , examine , build with FORTRAN procedure internal force go on , examine , charge lining with, it is qualified to examine.
5. The last part of the design is about construction organization.
Key words： tunnel, design, tunnel portal, tunnel lining, construction organization
大米家单线铁路隧道毕业设计.pdf
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