山区桥址风场特性研究综述

许福友; 周晶

doi:10.13409/j.cnki.jdpme.2017.03.025

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山区桥址风场特性研究综述

更新时间：2025-12-11

- 山区桥址风场特性研究综述
- Review on the Characteristics of Wind Fields at Bridge Site in Mountainous Areas
- 防灾减灾工程学报 2017年37卷第3期页码：502-510
- 作者机构：
- 作者简介：
- 基金信息：
  
  国家重点基础研究发展计划（973）（2015CB057705）资助
- DOI：10.13409/j.cnki.jdpme.2017.03.025
  中图分类号： U312.1
- 纸质出版：2017
- 稿件说明：
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[1]许福友,周晶.山区桥址风场特性研究综述[J].防灾减灾工程学报,2017,37(03):502-510.

许福友, 周晶. Review on the Characteristics of Wind Fields at Bridge Site in Mountainous Areas[J]. 2017, 37(3): 502-510.
[1]许福友,周晶.山区桥址风场特性研究综述[J].防灾减灾工程学报,2017,37(03):502-510. DOI： 10.13409/j.cnki.jdpme.2017.03.025.

许福友, 周晶. Review on the Characteristics of Wind Fields at Bridge Site in Mountainous Areas[J]. 2017, 37(3): 502-510. DOI： 10.13409/j.cnki.jdpme.2017.03.025.

摘要

首先对采用风洞试验、数值模拟、现场实测3种方法研究山区风场特性的研究进展进行了梳理和总结

对比了各种方法的相对优缺点;然后从平均风特性和脉动风特性两方面对比分析了山区风场区别于平原地区风场特性。山区风场特性相对更为复杂

变异性更强

呈现更明显的非高斯和非平稳特性

山区地表粗糙度类别不能简单地分为四类

山区风攻角、风速谱、风速剖面分布规律明显不同于平原地区;在高山峡谷间风场既存在明显加速效应

也存在阻挡效应

使得桥梁抗风设计更为困难。总结了山区桥址处设计风速的几种取值方法

为今后山区桥址抗风设计提供参考。最后对山区桥址风场特性的研究现状进行了总结

对研究前景进行了展望。

Abstract

Firstly

for the characteristics of wind field in mountain areas

the main research achievements by using wind tunnel tests

numerical simulations

and field measurements were summarized

and their advantages and disadvantages are compared.Then

the different characteristics of wind field in mountain areas compared with those in the plain areas are comparatively analyzed from the average and the fluctuating wind velocities.In mountainous areas

the surface roughness cannot be simply classified into four categories.The flow attack angel

power spectra of wind velocity

and the mean wind profiles are obviously different from those in plain areas.In the mountainous valleys

obvious accelerating and blocking effects can be observed

which make it more difficult for the wind resistance design of bridges.Several methods for determining the design wind speed at the bridge sites in mountain areas are summarized.It can provide some references for the wind resistance design of bridges in mountainous areas.Finally

the art-of-status of the characteristics of wind field in mountain areas are summarized and the research prospects are addressed.

关键词

Keywords

references

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