水文章结合某水环境综合治理项目特点,对施工总进度及土石方工程进行了分析和研究,确定了关键线路,制定了土石方调配原则及动态土石方平衡调配规划,通过对各部土石方流向及进度的协调分析,提高开挖料的直接利用率,减少二次中转率.
以余庆县小乌江水库工程堆石混凝土重力坝设计及施工为例,重点分析总结堆石混凝土作为新型筑坝材料在大坝体型断面设计、材料分区、层间结合面抗剪及抗渗、堆石料入仓方式、仓面石块出露面积控制等方面的特点,其分析成果对类似工程的设计施工具有重要的借鉴意义.
在水电站建设对鱼类资源造成破坏的情况下,鱼类增殖放流站的投入运行对生态的恢复和鱼类资源的补充具有积极的意义。文章介绍了乌江思林、沙沱水电站工程鱼类增殖放流站的设计任务来源、放流对象的规模与放流河段的情况,进行了站址比选、水源比较及电源选择,对站址的总体布置、水池地基处理及各建筑物的设计、给排水设计及其他附属设施的设计原则也进行了阐述和说明,并针对鱼类增殖放流站的设计提出了一些注意事项和建议。
Silin Hydropower Station located on deep river-cut cross valley.The comprehensive design takes into account the earth-rock excavation volume,utilization volume and utilization composition of varies structures.It greatly reduces the spoil volume.Four spoil grounds need comprehensive improvement after the project was over,among which the Guojiatuo he Xiaoxigou are reservoir bottom type,the Houba and Ranjiatuo are non-valley type.The article analyzes and researches the design of protective measures for spoil grounds,according to the demand of Soil and Water conservation Low technical standard of soil and water conservation program for development construction item,as well as associates with the characteristic of hydraulic and hydropower project.The experience could provide the reference for similar project.