【正文】 軟土地基上鐵路客運(yùn)專線路堤的設(shè)計與施工畢業(yè)論文目錄第 1 章 緒論 ........................................................................................................................1 軟土的定義、特點(diǎn)與工程特性 ................................................................................1 軟土的定義及特點(diǎn) .............................................................................................1 軟土的工程特征： .............................................................................................1 國內(nèi)外客運(yùn)專線路基工程處理方法 .......................................................................1 國內(nèi)外軟土地基主要處理方法 ................................................................................1 我國新建客運(yùn)專線路基對軟土地基的要求 ............................................................2 課題研究的主要內(nèi)容 ................................................................................................2第 2 章 客運(yùn)專線路基橫斷面設(shè)計 ..................................................................................3 路堤橫斷面設(shè)計 ........................................................................................................3 斷面設(shè)計原始資料 ...........................................................................................3 路肩寬度設(shè)定 .....................................................................................................3 邊坡坡率 ...........................................................................................................3 填料選擇 ...........................................................................................................3 線間距 ...............................................................................................................3 路基面寬度確定 ...............................................................................................4 排水溝設(shè)計 .......................................................................................................4 基床厚度 ...........................................................................................................4 直線地段路基橫斷面設(shè)計 .......................................................................................4 圓曲線地段路基橫斷面設(shè)計 ...................................................................................4 緩和曲線段路基橫斷面設(shè)計 ...................................................................................5第 3 章 客運(yùn)專線軟土地基處理 ....................................................................................6 軟土路基常用的處理方法 ........................................................................................6 袋裝砂井法 ...............................................................................................................6 袋裝砂井的概念 ...............................................................................................6 袋裝砂井的設(shè)計優(yōu)點(diǎn) .......................................................................................7 袋裝砂井的設(shè)計 ...............................................................................................7 固結(jié)度計算 .......................................................................................................8 袋裝砂井的施工 ...............................................................................................9 袋裝砂井的施工 ...............................................................................................9 CFG 樁復(fù)合地基法 ..................................................................................................9 概述 ...................................................................................................................9 CFG 樁復(fù)合地基工程特性 ............................................................................10 CFG 樁復(fù)合地基設(shè)計計算 ............................................................................11 CFG 樁復(fù)合地基的施工 ..............................................................................13 CFG 樁復(fù)合地基質(zhì)量檢驗 ............................................................................15 兩種軟基處理方案的技術(shù)比較 ...........................................................................16 工期方面 ...........................................................................................................16 沉降量方面 .......................................................................................................16 造價方面 .........................................................................................................16 比選結(jié)論與最終方案選擇 ...........................................................................16第 4 章 邊坡穩(wěn)定性檢算 ................................................................................................17 穩(wěn)定影響因素 .........................................................................................................17 條分法原理 .............................................................................................................17 穩(wěn)定檢算 .................................................................................................................18 計算參數(shù)取值 .................................................................................................18 確定滑弧圓心位置 .........................................................................................18 劃分土條 .........................................................................................................19 穩(wěn)定性計算 .....................................................................................................19 穩(wěn)定計算的結(jié)論 .....................................................................................................20第 5 章 軟土地基沉降量計算 ........................................................................................22 地基沉降概述 .........................................................................................................22 分層總和法簡介 .....................................................................................................22 分層總和法基本原理 .....................................................................................22 分層總和法計算步驟 .............................