平原水库纳水口库岸再造防护处理分析  

Analysis of Protection Treatment for Bank Reconstruction of Plain Reservoir Intake

作　　者：侯全华 HOU Quan-hua(Xinjiang Production and Construction CorpsThird Division,Tumxuk Water Conservancy Project Management Service Center,Tumxuk 843900,China)

机构地区：[1]新疆生产建设兵团第三师图木舒克市水利工程管理服务中心,新疆图木舒克843900

出　　处：《云南水力发电》2023年第7期253-257,共5页Yunnan Water Power

摘　　要：平原水库往往利用天然洼地和宽而广的废弃河谷,结合下挖和地表以上填筑围坝而形成库容。由于平原水库的占地面积较大的天然特性,一部分水库的纳水口和进水口也随之设计为开敞式或者随地形、水流等条件采取引渠方式。运行期间,纳水口粉土层岸坡在库水和波浪的淘刷作用下而失稳坍塌。根据现场岸坡特性,进行形成因机制及边坡塌岸模式分析,针对性的拟出岸坡防护方案,并比选出经济可行的最优方案。结合岸坡岩土特性,计算护坡高度、淘刷坑槽深度,护坡设计采取进行上下分层防护。Plain reservoirs often utilize natural depressions and wide abandoned river valleys,combined with excavation and dam filling above the surface to form storage capacity.Due to the natural characteristics of the large land area of plain reservoir,some of the water intake and intake of reservoir are also designed as open or adopt a channel approach according to terrain,water flow and other conditions.During operation,the silt soil bank slope of water intake loses stability and collapses under the scouring action of reservoir water and waves.Based on the characteristics of on-site bank slope,this paper analyzes the cause mechanism and slope collapse mode,proposes targeted bank slope protection plans,and selects the economically feasible optimal plan.Based on the geotechnical characteristics of bank slope,the height of slope protection and the depth of excavation pit were calculated,and the slope protection design adopted layered protection from top to bottom.

关 键 词：平原水库 塌岸原因 稳定性分析 方案比选 护坡格宾网设计 

分 类 号：TV223[水利工程—水工结构工程]