提高平流式沉沙池沉沙效率的模型试验研究 (朱炳泉; 黄国富)

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x.Knu\#W0提高平流式沉沙池沉沙效率模型试验研究水利论文[)s2W6i!N^

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【作者】朱炳泉; 黄国富 【作者单位】中国船舶科学研究中心

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y,p1_(v-I0【论文摘要】 运用水力学、泥沙运动力学及相似理论,对平流式沉沙池进行了浑水水力模型试验研究.针对原设计方案中存在的沉沙效率不足问题,提出了行之有效的改进措施,使沉沙池的沉沙效率增至90%以上,出池含沙量大大降低,从而提高了下游污水提升泵房和过江隧道运行的安全可靠性。

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【英文论文摘要】 According to hydraulics,sediment dynamics and similarity theory,a hydraulic model for a horizontal-flow sand basin was designed.Then,model tests on deposition efficiency of sediment in the sand basin were carried out.The model test results on the design scheme show that the deposition efficiency should be improved furthermore to ensure the safety of downstream tunnels across river.Thus,measures to improve deposition efficiency of suspension sand in the sand basin are adopted.After the height of the basin's overflow weir top has been elevated for 0.6m,the deposition efficiency is improved to above 90 percents,while the sediment concentration at the outlet of sand basin is greatly decreased.

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【论文关键词】 平流式沉沙池; 浑水; 水力模型试验; 沉沙效率
!c%l${Z#Qk0【英文论文关键词】 horizontal-flow sand basin; silty water; hydraulic model test; deposition efficiency水利论文 }Rd3R1H:TD!A:g

TAG: 黄国富 模型试验 平流 沙效率 朱炳泉
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