摘要
十三陵抽水蓄能电站上池主坝施工初期,池盆开挖出的坝料力学性能较差不能上坝,坝脚部位弱风化料源一时出现严重短缺的局面.经对开挖出的坝基岩性分析和池盆风化料所作的试验成果,进行了第一次坝体断面优化;主坝防渗结构由沥青混凝土面板改为钢筋混凝土面板以后,又进行了第二次填料分区优化,使池盆开拖料得到合理使用,满足了筑坝要求;坝体于1993年9月填筑完毕,填筑质量合格率98.1%,达到优良标准.目前坝体沉降变形已趋于稳定,且运行正常.
During the beginning of main dam construction in the upper reservior of Shisanllng pumped storage plant,for the mechanlcs properties of excavating materials are poor,the on-site weak weathered materials for filling downstream toe are lacking very much. Based on the rock properfy analysises in the foundation of dam and results on weathered materials in basin,designer has the first optimum design of dam section. Designer also has the second optimum design of fillings section ac-cording to the selection of the dam seepage structure from bitulithic facing slab to ferro-concrete fac-ing slab. At the samc time,optimum design makes the feasible use of excavating ma ferials and safisfies reguirments of filling dam. The darn was completed in Sep. 1993 and its filling quality overtones 98. 1 percent, in other words, it is up to the best standard. Now,the settlement of dam is near stability and dam operates normality.
出处
《水利水电技术》
CSCD
北大核心
1994年第11期23-30,共8页
Water Resources and Hydropower Engineering
关键词
堆石坝
填筑
风化
质量控制
weathered andesite, rockfill dam, filling, quality control