Study on Wind-induced Mean Interference Effects between Low-rise Buildings

李永鑫; 李钢; 甘石

doi:10.13409/j.cnki.jdpme.2017.06.024

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Study on Wind-induced Mean Interference Effects between Low-rise Buildings

更新时间：2025-12-11

- Study on Wind-induced Mean Interference Effects between Low-rise Buildings
- Vol. 37, Issue 6, Pages: 1023-1029(2017)
- 作者机构：
- 作者简介：
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- DOI：10.13409/j.cnki.jdpme.2017.06.024
  CLC： U312.1
- Published：2017
- 稿件说明：
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[1]李永鑫,李钢,甘石.低矮房屋风致干扰效应研究[J].防灾减灾工程学报,2017,37(06):1023-1029.

李永鑫, 李钢, 甘石. Study on Wind-induced Mean Interference Effects between Low-rise Buildings[J]. 2017, 37(6): 1023-1029.
[1]李永鑫,李钢,甘石.低矮房屋风致干扰效应研究[J].防灾减灾工程学报,2017,37(06):1023-1029. DOI： 10.13409/j.cnki.jdpme.2017.06.024.

李永鑫, 李钢, 甘石. Study on Wind-induced Mean Interference Effects between Low-rise Buildings[J]. 2017, 37(6): 1023-1029. DOI： 10.13409/j.cnki.jdpme.2017.06.024.

摘要

采用计算流体动力学（Computational Fluid Dynamics

CFD）数值模拟方法

对低矮双坡屋面单体房屋屋面的局部风压进行了数值模拟

并将模拟结果同风洞试验结果做了对比

验证了数值模拟方法在模拟低矮双坡屋面房屋屋面风压方面的准确性和可靠性。此外研究了两栋同体型双坡屋面房屋的风致干扰效应

综合考虑了不同排列方式、布置间距以及风向角的影响。结果表明:该类房屋的迎风挑檐最易受风致干扰影响

且并列布置下干扰效应最为明显

错列布置次之

并列布置则较弱。为考虑放大的干扰影响

定量给出了房屋屋面风压增大部位的干扰系数

以供同类房屋抗风设计时采用。

Abstract

Numerical simulation method based on computational fluid dynamics theory

which is verified by comparing wind pressure on low-rise gable roofed building of numerical simulation and wind tunnel test

is adopted in this paper to investigate interference effect between two such buildings considering various arrangement mode

arrangement distance and wind direction angle.Results show that there are most obvious wind-induced mean interference effects on cornice of interfered building for two same low-rise buildings. As for the arrangement of low-rise buildings

the tandem arrangement is largest

followed by staggered arrangement and less is parallel arrangement. Eventually

interference coefficients of wind load shape coefficient on the roof of lowrise gable roofed building in different arrangements are given to use for wind-resistant design of such buildings.

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references

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