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요약정보
山区涉河桥墩布设防撞装置对通航的影响 / Influence of anti-collision devices for skew bridge piers on navigation
Resource Type
Academic Journal
Authors
余葵
;
吴威力
;
刘宪庆
;
孟繁超
;
张鑫
;
刘涛
;
毛德涵
;
YU Kui
;
WU Wei-li
;
LIU Xian-qing
;
MENG Fan-chao
;
ZHANG Xin
;
LIU Tao
;
MAO De-han
Source
水运工程 / Port & Waterway Engineering
. (6):119-126
Subject
山区河流
防撞装置
模型试验
艏向角
漂角
Language
Chinese
ISSN
1002-4972
Online Access
Find it @ DONGA
초록
为研究山区河流桥梁布设防撞装置对于通航的影响,采用二维物理模型试验的方法,利用运动船舶受力偏离航线的原理,通过对船舶艏向角θ、漂角β等船舶航行参数的分析,研究桥梁与水流存在交角的情况下布设防撞装置对船舶航行的影响;通过设置多条航线,探究船舶航行时与桥墩的的安全距离.试验结果表明:山区河流涉河桥墩布设防撞装置对于船舶航行的影响远大于裸墩,且尖艏型防撞装置对航行船舶的影响大于圆艏型;山区河流涉河桥墩或防撞装置与水流的交角越大,船舶的偏转幅度越大,其中0°~10°变化趋势较为明显.通过多组航线航行试验发现,航线越靠近桥墩,船舶受到的影响越大,当航线与桥墩的距离达到3W时,这一影响达到峰值.所得结果可以为山区河流桥梁通航安全的研究及防撞装置的研发提供参考.
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