贵州沙千水库 | 堆石混凝土坝“数字孪生”示范工程-堆石混凝土坝技术网

沙千水库工程位于贵州省赤水市长沙镇，大坝为C15堆石混凝土拱坝，坝顶宽6.0m，坝轴线弧长205.00m，最大坝高66.0m；大坝建设历时15个月，累计浇筑堆石混凝土总方量约12万方。

沙千水库上游面

不设横缝，通仓浇筑

沙千水库坝体结构简单，不设置横缝，全坝体整体上升、通仓浇筑；充分发挥了堆石混凝土施工速度快的优势。

通仓施工浇筑不分缝

红砂岩作坝体堆石料

项目当地砂岩储量丰富，因含丰富氧化物呈红色或褐色，统称红砂岩。依据贵州省地方标准《堆石混凝土拱坝技术规范》（DB52/T1545-2020）规定，C₉₀15堆石混凝土对堆石料饱和抗压强度要求为不低于30MPa。对沙千水库料场砂岩试验检测结果均满足要求，最终采用附近料场砂岩作为堆石混凝土坝体堆石料及混凝土粗骨料，因地制宜，节约了项目投资。

采用红砂岩作为堆石混凝土坝体堆石料

RFC智能信息化系统运用

传统的人工化、自动化手段，难以实现堆石混凝土质量的定量与精确评价，无法全方位获取仓面的有效质量参数，如堆石粒径分布、堆石混凝土密实性等质量指标。

因此，沙千水库建立了堆石混凝土坝智能监测及质量控制信息化系统，在全建设周期（2021 年 10 月 13 日至 2023 年 1 月 10日）开展信息化施工管理，通过视频监控与人工智能算法，对小粒径堆石集中问题及时做出整改；通过部署密实性监测传感器设备，有效监测了局部特殊区域是否填充密实，提高了工序衔接效率和工程管理水平。

施工信息管理平台页面

视频监控实时情况与影像档案

全仓面视频监控情况

参建单位

建设单位：赤水市水务投资有限责任公司

设计单位(PMC)：遵义市水利水电勘测设计研究院有限责任公司

监理单位：广东华迪工程管理有限公司

施工单位：贵州黔景秀生态工程有限公司

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贵州沙千水库 | 堆石混凝土坝“数字孪生”示范工程

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