施工技术 2012年2月上 98 CONSTRUCTION TECHNOLOGY 第41卷第358期 国外两座黏土心墙堆石坝反滤料级配包络线 的优化设计 史迅，谢凯军，张全2 (1.中国水利水电第三工程局有限公司，陕西西安710016；2.中国水利电力对外公司，北京100011) [摘要]阿尔及利亚德拉迪斯(Draa diss)和玛乌阿娜(Mahouane)黏土心墙堆石坝反滤料设计粒径范围0.08~ 6.3mm D100=2-6.3mm D85=1.3-4.5mm D15=0.12~0.5mm 含泥量(<0.08mm颗粒)≤5%.采用石灰岩 经过粗、中、细破碎、冲洗、筛分生产工艺制得.依据美国工程师指南，对两大坝反滤料原设计级配包络线进行了优 化设计，优化设计后，反滤料粒径范围为0.08-12.5mm D100=3~12.5mm D85=1.75~8mm D15=0.13- 0.63mm.使两个工程反滤料生产获得率分别由10.4m3/h和15m3/h提高到45m3/h和55m3/h 缓解了生产与填筑 需求矛盾，降低了反滤料生产成本. [关键词]大坝；反滤料；级配曲线：包络线；优化设计；设计准则 [中图分类号]TV44 [文献标识码]A[文章编号]1002-8498(2012)03-0098-03 The Optimization Design of Filters Gradation Envelope Curve of Two Overseas Earth-rock Fill Dams with Clay Core Shi Xun' Xie Kaijun' Zhang Quan2 (1.SINOHYDRO Engineering Bureau 3 Co.Ltd.Xi'an Shaanxi 710016 China; 2.China International Water Electric Co.Beijing 100011 China) Abstract:The Algeria Draa diss dam and Mahouane dam are the earth-rock fill dams with clay core.The designed particle size range of filters are 0.08~6.3mm D100 =2~6.3mm D85 =1.3~4.5mm D15= 0.12~0.5mm and the mud content is smaller than 5%(<0.08mm of particle size).The filters are made of the limestone by passing through rough-middle-thin crushing flushing and sieving process system.Based on American engineer guide Engineering and design earth and rock-fill dams-general design and construction considerations the original design of filters gradation envelope curve was optimized.After that the particle size range of filters are 0.08~12.5mm D100 =3~12.5mm D85= 1....
国外两座黏土心墙堆石坝反滤料级配包络线的优化设计.pdf
