【正文】 ..............................................1 緒言.. .........................................................................................................1 工程現(xiàn)狀及存在的主要問題 ......................................................................1 水文 ..............................................................................................................1 工程地質(zhì)及測繪資料 ........................................................................3 工程任務與規(guī)模 ..........................................................................................4 工程設計 ......................................................................................................52 水文 ..............................................................................................................7 流域概況 ......................................................................................................7 氣象 ...............................................................................................................8 水文測站及資料情況 ...................................................................................9 徑流 ...............................................................................................................9 洪水 ...............................................................................................................9 泥沙 .............................................................................................................12 冰情 .............................................................................................................123 工程地質(zhì)及測繪資料 ................................................................................13 區(qū)域地質(zhì) .....................................................................................................13 河道整治工程地質(zhì)條件 .............................................................................14 堤基工程地質(zhì)條件 .....................................................................................16 天然建筑材料 .............................................................................................20目錄II 結(jié)論及建議 .................................................................................................22 測繪資料 .....................................................................................................244 工程任務和規(guī)模...............................................25 自然及社會經(jīng)濟概況 .................................................................................25 防洪工程現(xiàn)狀及存在的主要問題 .............................................................27 防洪標準及工程規(guī)模 .................................................................................27 工程任務 .....................................................................................................27 工程總體布局及工程方案比選確定 .........................................................27 設計水面線 .................................................................................................295 工程設計 ............................................... ....................................................32 設計依據(jù) .....................................................................................................32 工程現(xiàn)狀 .....................................................................................................32 堤防工程設計 .............................................................................................33 ...............................................................................44 .......................................................................................................46 河道底部的基礎處理 ................................................................................46 ........................................................................................46 過水路面基礎處理 .......................................................................................48計算說明書 ......................................................................................................50 ...................................................................................50 ...................................................................................................52 .......................................................................................................57 ...................................................................................................59 不沖不淤校核 ...............................................................................................59 .......................................................................................................62 ...............................................................................................64 ...............................................................................65 土壓力計算 ...................................................................................................65 抗滑移穩(wěn)定性驗算 .......................................................................................66 抗傾覆穩(wěn)定性驗算 .......................................................................................67 地基承載力驗算 ...........................................................................................68內(nèi)蒙古自治區(qū)鑲黃旗新寶拉格鎮(zhèn)防洪工程初步設計報告內(nèi)蒙古農(nóng)業(yè)大學水利與土木建筑工程學院III ...........................................................................68 土壓力計算 ...................................................................................................69 滑移穩(wěn)定計算： ...........................................................................................69 傾覆穩(wěn)定性驗算 ...........................................................................................70 承載力驗算 ...................................................................................................70綜合說明1 緒言鑲黃旗位于錫林郭勒盟西南部，地理坐標為東經(jīng) 113176。45′之間，東部為正鑲白旗，西部為蘇尼特右旗，南部為化德縣，北部為蘇尼特左旗。受特殊的地形地貌與氣候條件影響，目前鑲黃旗絕大多數(shù)河流都存在程度不同的洪澇災害，成為制約地區(qū)經(jīng)濟社會發(fā)展的主要因素之一。根據(jù)《防洪標準》 （GB50201—94） ，并參考 《內(nèi)蒙古自治區(qū)中小河流治理規(guī)劃》 ，確定防洪標準為 20 年一遇洪水?，F(xiàn)狀上游段河道不