目 錄
1 概 述.............................................................1
1.1 任務由來.....................................................1
1.2 主要的目的和任務.............................................1
1.2.1 目的...................................................1
1.2.2 任務...................................................1
1.3 可行性研究報告編制依據(jù).......................................2
2 項目的必要性與緊迫性..............................................3
2.1 地質(zhì)災害體災情評價...........................................3
2.1.1 地質(zhì)災害分布位置、規(guī)模、范圍...........................3
2.1.2 主要危及對象...........................................3
2.1.3 地質(zhì)災害體破壞后造成損失估算...........................3
2.2 項目的必要性與緊迫性.........................................3
3 地理地質(zhì)環(huán)境.....................................................4
3.1 地理位置及交通...............................................4
3.2 氣象、水文...................................................5
3.3 地形地貌.....................................................7
3.4 區(qū)域地質(zhì)構造及地震...........................................7
3.5 地層巖性.....................................................8
3.6 水文地質(zhì).....................................................9
3.7 不良地質(zhì)現(xiàn)象.................................................9
3.8 人類工程活動................................................10
4 地質(zhì)災害點基本特征及分析.........................................10
4.1 基本發(fā)育特征................................................10
4.2 基本運動特征................................................11
4.3 形成機制及發(fā)展趨勢..........................................11
4.3.1 泥石流的形成機制分析..................................11
4.3.2 泥石流發(fā)展趨勢........................................12
5 治理工程方案比選.................................................12
5.1 治理目標與原則..............................................12
5.1.1 治理目標..............................................12
5.1.2 治理原則..............................................13
5.2 設計標準、工況、參數(shù)........................................13
5.2.1 設計標準..............................................13
5.2.2 設計工況..............................................13
5.2.3 設計參數(shù)..............................................14
5.3 治理工程技術方案設計........................................14
5.4 分項工程設計................................................16
5.4.1.方案一................................................16
5.4.2 方案二................................................17
5.5 治理工程方案的比選與推薦方案..............................18
6 工程監(jiān)測方案設計.................................................18
6.1 監(jiān)測工作的任務和目的........................................18
北川縣陳家壩鄉(xiāng)場鎮(zhèn)地質(zhì)災害大溝里泥石流應急治理工程可行性研究報告
6.2 監(jiān)測設計方案主要技術依據(jù)和原則..............................19
6.2.1 主要技術依據(jù)..........................................19
6.2.2 設計原則..............................................19
6.3 監(jiān)測工作現(xiàn)狀................................................20
6.4 監(jiān)測工作方案...............................................20
6.4.1 監(jiān)測工作布置..........................................20
6.4.2 監(jiān)測工作實施步驟及建議................................25
7 施工組織設計.....................................................26
7.1 施工條件....................................................26
7.2 建筑材料....................................................26
7.3 施工總布置..................................................27
7.4 主要施工方法及施工機械基本要求..............................28
7.4.1 施工準備工作..........................................28
7.4.2 導流墻................................................28
7.4.3 施工機械設備..........................................30
7.5 施工順序及進度計劃..........................................30
7.6 施工管理與監(jiān)理..............................................31
8 工程實施效果評價.................................................32
8.1 環(huán)境影響評價................................................32
8.2 經(jīng)濟、社會、減災效益評價....................................32
8.2.1 經(jīng)濟及減災效益評價....................................32
8.2.2 社會效益評價..........................................33
附圖（見后）.......................................................34
附件一 設計計算書..................................................34
1 設計基本參數(shù).....................................................34
2 導流墻驗算.......................................................34
2.1 整體沖擊力驗算..........................................34
2.2 塊石沖擊力驗算..........................................38
2.3 土壓力驗算..............................................41
附件二 投資估算書..................................................45
1 估算依據(jù)....................................................45
2 估算計費方法................................................46
3 估算結果....................................................46
4 估算附表....................................................47
