| 管袋坝袋间接缝坝芯吹填砂流失模型试验 |
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| 引用本文： | 满晓磊,束一鸣,曹明杰,蔚成亮,郝雪航,李少鹏,毛文龙.管袋坝袋间接缝坝芯吹填砂流失模型试验[J].水利水电科技进展,2018,38(1):28-35. |
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| 作者姓名： | 满晓磊 束一鸣 曹明杰 蔚成亮 郝雪航 李少鹏 毛文龙 |
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| 作者单位： | 滁州学院地理信息与旅游学院;河海大学水利水电学院; |
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| 基金项目： | 国家自然科学基金(51179065)；国家“十二五”科技支撑计划(2012BAB03B02)；江苏省高校优势学科建设工程项目(PAPD) |
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| 摘 要： | 针对管袋坝坝芯吹填砂沿袋间接缝流失问题,采用自行研制的管袋坝袋间接缝坝芯吹填砂流失模型试验研究装置,进行了单向流和波浪工况下管袋坝袋间接缝坝芯吹填砂流失物理模型试验,分析了不同工况下的颗粒运移规律和冲刷稳定性。试验结果表明:单向流工况下,砂颗粒的流失方式为"槽沟式";波浪工况下,冲刷过程以拱结构空间的出现、形成和坍塌为标志划分为冲击、成拱、稳定3个阶段;选择袋间接缝内砂堆长度作为判定管袋坝袋间接缝冲刷稳定性的判定指标,通过比较实际工程中管袋坝袋间接缝长度与接缝内砂堆长度可以判断波浪工况下的冲刷稳定性。
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| 关 键 词： | 管袋坝 袋间接缝 坝芯 吹填砂 冲刷稳定 模型试验 |
| 收稿时间： | 2017/9/15 0:00:00 |
Experimental study on dam core sand scouring through seams between tubes of a geotube dam |
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| MAN Xiaolei,SHU Yiming,CAO Mingjie,YU Chengliang,HAO Xuehang,LI Shaopeng and MAO Wenlong.Experimental study on dam core sand scouring through seams between tubes of a geotube dam[J].Advances in Science and Technology of Water Resources,2018,38(1):28-35. |
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| Authors: | MAN Xiaolei SHU Yiming CAO Mingjie YU Chengliang HAO Xuehang LI Shaopeng and MAO Wenlong |
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| Affiliation: | College of Geographic Information and Tourism, Chuzhou University, Chuzhou 239000, China; College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China,College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China,College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China,College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China,College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China,College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China and College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China |
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| Abstract: | |
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| Keywords: | geotube dam seam between geotubes dam core backfill sand scouring stability experimental research |
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