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黄河游荡型河流主槽范围分析确定 被引量:2

Determination of Main Channel Range in Wandering Reaches of Yellow River
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摘要 特高压线路建设经常需要跨越游荡型河流,往往出现河中立塔情形。此时,主槽范围的合理确定至关重要,因其直接影响跨河塔位的冲刷深度,进而影响线路安全和工程造价。本文以哈密~郑州±800kv特高压直流输电线路黄河大跨越工程为例,对游荡型河流主槽范围的确定方法进行了相关分析总结,供同类工程参考。 The UHV transmission lines usually need to cross the wandering reaches, which frequently lead to some line towers been placed in the riverbed. Then, reasonably ascertaining the span of the main channel becomes of great important, for which directly influences the scouring depth and then the security and price of the project. Taking the Hami-Zhengzhou ± 800kV UHV transmission line large crossing project as a example, some methods of determination the main channel span in wandering reaches have been analyzed and included, which can be referenced for some similar projects.
作者 田文文 张磊
出处 《电力勘测设计》 2014年第5期29-34,共6页 Electric Power Survey & Design
关键词 黄河 游荡型河段 大跨越 主槽范围 the Yellow River wandering reaches large crossing the main channel span.
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