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中南大学学报(自然科学版)

Journal of Central South University

第46卷    第12期    总第256期    2015年12月

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文章编号:1672-7207(2015)12-4732-06
基于BIM模型的建筑风环境可靠性分析
谭献良1, 2,管昌生1,卢艺伟2,陶俊1

(1. 武汉理工大学土木工程与建筑学院,湖北武汉,430070;
2. 湖南城市学院规划建筑设计研究院,湖南益阳,413000
)

摘 要: 结合可靠性理论与BIM技术,分析建筑风环境的随机特征,导出流体介质随机控制方程,采用小参数方法建立随机有限元模型。考虑风环境的随机性,分析超越概率风环境评价指标,提出建筑园区可视化BIM建模步骤。在此基础上,提出风环境舒适可靠度的概念,导出舒适可靠度计算公式。依据BIM模型与建筑规范标准,建立建筑风环境BIM模拟与可靠性评价方法。研究结果表明:该方法对建筑风环境随机影响分析更加符合工程实际,对建筑风环境评价与设计具有应用价值。

 

关键字: 建筑;风环境;随机影响;BIM技术;可靠性

Architecture reliability analysis inwind environment based on BIM model
TAN Xianliang1, 2, GUAN Changsheng1, LU Yiwei2, TAO Jun1

1. Wuhan University of Technology, College of Civil Engineering and Architecture, Wuhan 430070, China;
2. Hunan City University, Institute of Urban Planning & Architecture Design, Yiyang 413000, China

Abstract:Based on the reliability theory and building information modeling (BIM) technology, the random characteristics of wind environment were analyzed, the fluid stochastic control equations was derived and stochastic finite element model was obtained with small parameter method. Considering the randomness of wind environment, the probability of wind environment assessment index and the construction zone visualization BIM modeling step were proposed. Based on the research, concept of environmental comfort and reliability was created, and the comfortable reliability calculation formulas were derived. According to BIM models and building code standards, the BIM building wind environment simulation and reliability evaluation method were established. The results show that this method is more effective in analyzing the complex random effect of wind environment around building and has more value for evaluation and design of wind environment around building.

 

Key words: architecture; wind environment; random effects; building information modeling (BIM) technology; reliability

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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