大坝采用碾压混凝土重力坝型式,坝顶总长 300m,坝顶 EL179m,最大坝高 111m,最大坝底宽度 84.5m,坝顶宽 7m。坝体设置三个表孔溢洪道,孔口堰顶 EL155.0m,单孔宽 16m;一个泄水底孔,底板 EL115.4m,断面尺寸(宽×高)为 5m×8.2m。表孔和底孔都设置检修闸门和工作闸门以及相应的启闭设备。 本工程施工导流采用断流围堰,右岸布置一条导流隧洞。导流隧洞长 351.4 m,过水断面(宽×高)为 11m×15m 的方圆型。
1 章 概 述...............................................................................................................................1-1
1.1 工程概况 ...............................................................................................................................1-1
1.2 地形和地质 ...........................................................................................................................1-1
1.3 水文和气象 ...........................................................................................................................1-1
1.4 主要工程量 ...........................................................................................................................1-2
1.5 主要控制性施工进度............................................................................................................1-2
1.6 工程特点 ...............................................................................................................................1-3
1.7 主要施工方法........................................................................................................................1-3
1.7.1 导流 ...............................................................................................................................1-4
1.7.2 坝基开挖 .......................................................................................................................1-4
1.7.3 大坝混凝土施工方案 ...................................................................................................1-4
1.7.4 模板 ...............................................................................................................................1-4
第 2 章 施工组织机构.....................................................................................................................2-5
第 3 章 施工总体布置.....................................................................................................................3-6
3.1 布置条件 ...............................................................................................................................3-6
3.1.1 工程区地形 ...................................................................................................................3-6
3.1.2 交通条件 .......................................................................................................................3-6
3.1.3 建设单位提供的大坝标营地........................................................................................3-6.............