格拉斯河控冰结构的数值模型研究

IF 1.1 4区工程技术 Q3 ENGINEERING, CIVIL

Canadian Journal of Civil Engineering Pub Date : 2023-06-28 DOI:10.1139/cjce-2023-0047

T. Kolerski, H. T. Shen

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引用次数: 0

摘要

格拉斯河上的冰塞已经侵蚀了用于防止多氯联苯污染地区河床沉积物重新表面的封盖材料。为了避免堵塞对封盖材料的侵蚀，提出了两种流内控冰结构。这两种冰控方案分别是桥墩式冰控结构和封盖点上游小水电大坝的重建。使用DynaRICE模型进行了数值模型研究，以评估所提出设计的有效性。利用分析历史崩解冰塞资料得到的冰塞事件100年周期对应的流量和冰况进行评价。结果表明，这些控冰结构可以减少下游的冰流量和封盖处的冰塞大小，以防止pcb污染床的侵蚀和冲刷。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Numerical Model Study on Grasse River Ice Control Structures

Ice jams in the Grasse River have caused the erosion of capping material designed to prevent the resurfacing of the bed sediment in the PCB-contaminated area. Two in-stream ice-control structures are proposed to avoid the jam-induced erosion of the capping material. These two ice-control options are a pier-type ice-control structure and a reconstruction of a small hydropower dam upstream of the capping site. A numerical model study using the DynaRICE model is conducted to evaluate the effectiveness of the proposed design. Flow and ice conditions corresponding to the 100-year return period of ice jam events obtained from analyzing historical breakup ice jam data are used in the evaluation. The results showed that these ice-control structures could reduce the ice discharge downstream and the size of the ice jam at the capping site to prevent the erosion and scour of the PCB-contaminated bed.

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来源期刊

Canadian Journal of Civil Engineering 工程技术-工程：土木

CiteScore

3.00

自引率

7.10%

发文量

105

审稿时长

14 months

期刊介绍： The Canadian Journal of Civil Engineering is the official journal of the Canadian Society for Civil Engineering. It contains articles on environmental engineering, hydrotechnical engineering, structural engineering, construction engineering, engineering mechanics, engineering materials, and history of civil engineering. Contributors include recognized researchers and practitioners in industry, government, and academia. New developments in engineering design and construction are also featured.