【正文】 ....................................................................................................... 23 常用圍堰型式及使用條件 ................................................................................................ 23 圍堰型式的選擇 ................................................................................................................ 24 圍堰的平面布置 ................................................................................................................ 25 土石圍堰的結(jié)構(gòu)型式 ................................................................................................ 25 河北工程大學(xué)畢業(yè)設(shè)計(jì) 2 土石圍堰填料選擇 .................................................................................................... 26 土石圍堰斷面尺寸設(shè)計(jì) ............................................................................................ 28 圍堰的拆除 ................................................................................................................ 31 5 導(dǎo)流隧洞的水力計(jì)算 ............................................................................................................... 32 隧洞截面參數(shù) .................................................................................................................... 32 流態(tài)判別 ............................................................................................................................ 32 Ⅰ號(hào)隧洞的流態(tài)判別（短） .................................................................................... 33 Ⅱ號(hào)隧洞的流態(tài)判別（長(zhǎng)） .................................................................................... 34 隧洞泄流能力計(jì)算 ............................................................................................................ 35 自由出流泄流能力計(jì)算 ............................................................................................ 35 半有壓流水力計(jì)算 .................................................................................................... 36 有壓流水力計(jì)算 ......................................................................................................... 38 各種流態(tài)的泄流量計(jì)算成果 .................................................................................... 39 調(diào)洪演算 .................................................................................................................... 39 6 截流 ........................................................................................................................................... 43 截流的基本方法 ................................................................................................................ 43 龍口的位置和寬度 ............................................................................................................ 43 截流時(shí)間的選擇 ................................................................................................................ 44 截流標(biāo)準(zhǔn)的選擇 ................................................................................................................ 44 截流水力計(jì)算 .................................................................................................................... 44 截流水力計(jì)算基本原理和方法概述 ........................................................................ 45 截流過(guò)程中上游水位與寬度龍口泄流量關(guān)系曲線(xiàn)計(jì)算 ........................................ 46 立堵截流材料的確定 ........................................................................................................ 48 截流材料尺寸 ............................................................................................................. 49 截流材料類(lèi)型 ............................................................................................................ 49 備料量 ........................................................................................................................ 49 7 基坑排水 ................................................................................................................................... 51 初期排水 ............................................................................................................................ 51 經(jīng)常性排水 ........................................................................................................................ 51 排水設(shè)備的選擇 ................................................................................................................ 52 溢水排水 ............................................................................................................................ 52 8 攔洪渡汛、蓄水和導(dǎo)流隧洞的封堵 ....................................................................................... 53 攔洪渡汛 ............................................................................................................................ 53 蓄水計(jì)劃 ............................................................................................................................ 53 推求最遲封堵日期 .................................................................................................... 53 安全校核 .................................................................................................................... 54 隧洞封堵 ............................................................................................................................ 55 9 施工控制性進(jìn)度總計(jì)劃 ........................................................................................................... 56 準(zhǔn)備工作 ............................................................................................................................ 56 河北工程大學(xué)畢業(yè)設(shè)計(jì) 3 導(dǎo)流工程 ............................................................................................................................ 56 大壩工程 ............................................................................................................................ 57 河床砼重力壩 ............................................................................................................ 57 右岸砼壩 ..............................................................................................................