介绍: 该流域气候温和,水量充沛,水面平缓,含砂量小,对充分开发这一地区的航运具有天然的优越条件。流域内有耕地700多万亩,矿藏资源十分丰富,工矿企业较发达,有国家最大的有色金属冶炼工程铜基地及腹地内的建材轻工。原材料及销售地大部分在长江流域各省、市地区,利用水运的条件十分优越。 流域梯级开发后,将建成一条长340km通航千吨级驳船的航道和另一条长50km通航300吨级驳船的航道,并与长江、淮河水系相互贯通形成一个江河直达的上游水路运输网。同时也为沿江各县市扩大直流灌溉创造有利条件。对促进沿河地区的工农业发展具有重要的作用,社会和经济效益十分显著。 1 综合说明………………………………………………………………………………………………..3 1.1工程概况……...…………………………………………………………………………………….3 1.2设计依据……………………………………………………………………………………............4 1.3设计成果............................................................................................................................................4 2水文.........................................................................................................................................................10 2.1流域概况..........................................................................................................................................10 2.2气象..................................................................................................................................................10 2.3洪水..................................................................................................................................................10 3工程地形、地质 3.1闸址地形..........................................................................................................................................12 3.2闸址地址..........................................................................................................................................12 3.3当地建筑材料..................................................................................................................................12 3.4 地震………………………………………………………………….............................................13 4工程布置及建筑物.................................................................................................................................14 4.1设计依据..........................................................................................................................................14 4.1.1工程等级及建筑物级别...........................................................................................................14 4.1.2设计依据...................................................................................................................................14 4.1.3设计基本资料...........................................................................................................................15 4.2工程总体布置..................................................................................................................................17 4.2.1船闸的布置...............................................................................................................................17 4.2.2水电站的布置...........................................................................................................................18 4.2.3泄水闸的布置...........................................................................................................................18 4.3主要建筑物(泄水闸)..................................................................................................................18 4.3.1闸孔设计...................................................................................................................................18 4.3.2消能防冲设计...........................................................................................................................22 4.3.3防渗排水设计...........................................................................................................................27 4.3.4闸室的布置...............................................................................................................................31 4.3.5闸室稳定计算...........................................................................................................................36 4.3.6闸室底板结构计算...................................................................................................................40 4.3.7两岸连接建筑物设计...............................................................................................................45