畢設基本摘要
摘要
本設計的設計對象是麗江至香格里拉線鐵路的DK0+470～DK0+650段。設計的主要內容包括180米路基及支擋設計。
新建鐵路麗江至香格里拉線南起在建的大麗鐵路麗江站，向北跨越金沙江，通過小中甸至香格里拉，是我國中鐵路網規劃中“西部鐵路網”及滇藏鐵路的重要組成部分。正線全長約139公里，鐵路等級I級，正線數目為單線，速度目標值為120公里/小時，最小曲線半徑為1200米，到發線有效長度為650米，由電力機車牽引。建設工期為6年，將于2015年建成。
首先介紹的是路基設計，其重點在于基床的結構設計，1公里長度范圍內路基橫斷面圖的繪制、土石方量的計算；其次是路基邊坡防護與排水設計，主要內容是邊坡穩定性分析與計算、邊坡支擋措施的選擇、支擋措施的結構設計、不良地質的處理，即擋土的設計與計算、抗滑樁的設計與計算，錨桿框架梁的設計等；最后介地基處理，其主要內容包括CFG樁復合地基設計、復合地基沉降計算及CFG樁的布置。
路基工程是鐵路工程的重要組成部分，路基工程設計是鐵路工程設計的重要內容。本設計取材于擬建鐵路麗香線實際工程案例，具有較強的工程背景；最終是預算，這個內容是本設計較為復雜的一部分，編制范圍為征地費用、路基工程和軌道工程。
關鍵詞 路基；邊坡防護；支擋
Abstract
The main aim of this project-design is DK0+470 ~ DK0+650 section of Lijiang to Shangri-line. This design mainly includes roadbed and retaining design, which is for the section of 180 miters long .
The New construction Champs railway south from the railway under construction in Lijiang Lijiang Station, north across the Jinsha River, the small Zhongdian to Shangri-La, is China's long-term railway network plan "Western railway network" and an important component of the Yunnan-Tibet Railway section. Total length of 139 km main line railway Class I, line number for the single, speed target value of 120 km / h, the minimum curve radius of 1,200 meters, to the hair line length is 650 meters from the electric locomotive traction. Construction period of six years, will be built in 2015.
This project begins with the roadbed design, which mainly focuses on road basic body structure design, within the length of one kilometer embankment cross-sectional drawing and cross sectional design of welded structures. Then comes the roadbed side slope protection design and drainage design, and it mainly includes slope stability analysis and calculation slope retaining the choice of measures, the structural design of retaining measures, adverse geological process that retaining design and calculation, design and calculation of piles, anchor frame beam design; The last is the referral ground handling, the main contents include CFG pile composite foundation design, as well as the composite foundation of CFG pile settlement calculation and layout.
Design of railway track, which chooses rail comprehensively, considers structural design, strength check calculation, high computing, ballast and other aspects of a more comprehensive consideration. In addition, the budget includes all expenses other than transportation charges. Results designed floor plan, including laying base, rail plan, construction schedule map, roadbed cross-sections and a series of design drawings, as well as various related data about construction.
Keywords Roadbed (CWR)； Side slope protection；Retaining
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