Research Progress in Wind Vibration and Wind Resistance of Landscape Trees
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摘要: 随着全球气候变化的持续加剧,风灾频率和强度呈上升趋势。中国作为世界上受到极端大风灾害影响最多的国家之一,园林树木的生态安全和城市绿化的体系健康面临着巨大挑战。文中在对国内外关于树木与风的相互作用、树木风振机理、树木抗风性评价等方面综述分析的基础上,探讨了国内目前抗风研究中存在的问题,结合城市绿化强风响应的现状,提出进一步深化研究的方向,为城市树种精准选择、群落配置结构优化、生态体系可持续维系提供技术对策。Abstract: As the global climate change persists and intensifies, the frequency and the intensity of wind disasters are on the rise. As one of the countries most affected by extreme wind threats in the world, China is greatly challenged in the ecological security of landscape trees and the health of urban greening system. On the basis of the national and international research on the interaction between trees and wind, trees’ wind vibration mechanism and trees’ wind resistance evaluation, the paper discusses the existing problems in the current wind resistance research, and proposes the direction of further research in consideration of the current wind response of urban greening system. The research provides technical countermeasures for the precise selection of urban tree species, optimization of community configuration structure and sustainable maintenance of ecosystems.
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Key words:
- landscape tree /
- wind vibration /
- wind resistance /
- wind disaster
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图 1 Baker调研的3种不同树形分类[17]
图 3 James树的动态结构模型[19]
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