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在黄河三角洲上，胜利油田建设了众多的平原水库。其中蓄水量在１０００万ｍ３以上的大中型平原水库就有９座。平原水库坝轴线长，护砌工程量大，且海风频繁，风值数量大，砂石料缺乏，从安全经济角度找到合理的护坡型式和结构，是平原水库土坝设计的重要课题。通过油田与水利科研部门经过室内风浪模型试验，室外人工降雨试验并经科学分析提出了一种平原水库安全经济型护坡。这种护坡在利津水库、孤北水库中应用效果良好。
In the Yellow River Delta, Shengli Oilfield has built a large number of plain reservoirs. Among them, there are 9 large and medium-sized plain reservoirs with more than 10 million m3 of water. It is an important issue for the dam design of plain reservoirs to find a reasonable slope protection type and structure from the perspective of safety and economy, because of the long axis of the plain reservoir dam, the large amount of retaining works, frequent sea breezes, large winds and lack of aggregate. Through the oil field and water conservancy scientific research department through the indoor storm model test, outdoor artificial rainfall test and scientific analysis proposed a plain reservoir safe and economical slope protection. This kind of slope protection works well in Lijin reservoir and Gubei reservoir.