风环境视野下杭州基座与毗邻式裙房布局分析

应小宇; 梁孝鑫; 李思源; 杜诗祺; GRACEDing

doi:10.3969/j.issn.0258-2724.20190322

风环境视野下杭州基座与毗邻式裙房布局分析

doi: 10.3969/j.issn.0258-2724.20190322

基金项目: 国家自然科学基金（51878608）；浙江省自然科学基金（LY18E080025）

详细信息

作者简介:
应小宇（1980—），男，教授，博士，硕士生导师，研究方向为城市风环境，E-mail： Evanyxy@qq.com

中图分类号: TU241
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- 文章访问数: 477
- HTML全文浏览量: 301
- PDF下载量: 10
- 被引次数: 0
出版历程
- 收稿日期: 2019-04-10
- 修回日期: 2019-10-10
- 网络出版日期: 2019-10-16
- 刊出日期: 2021-04-15

Analysis on Layouts of Pedestal and Adjacent Podiums in Hangzhou in Wind Environment

摘要

摘要: 为探究高层办公建筑基座式与毗邻式裙房布局对室外场地行人高度（1.5 m）处风环境的影响，选择地块内单幢高层建筑为研究对象，从裙房的位置、高度、迎风面宽度和进深状况对基座式与毗邻式裙房布局进行讨论，利用穷举法得到多种典型布局，并通过CFD （computational fluid dynamics）流体力学模拟软件Phoenics对地块内的建筑室外风环境进行模拟，对比得到基座式与毗邻式裙房的最优布局模式. 研究结果表明：在杭州高层建筑密集地块进行高层办公建筑裙房设计时，毗邻式裙房布局优于基座式，当裙房高度设计范围在15.0～20.0 m，裙房迎风面宽度设计范围为70.0 m左右，裙房迎风面进深长度在50.0～60.0 m时，风环境状况最好.
- 单幢高层办公建筑 /
- 主楼 /
- 裙房 /
- 行人区域风环境 /
- 计算机数值模拟
Abstract: To explore how the pedestal and adjacent layout of podiums around highrise office buildings affect the wind environment at the pedestrian height (1.5 m) of outdoor, a single highrise building in the area is selected as the object to analyze its position, height, windward side width and thickness of base type. The enumeration method is employed to obtain a variety of typical layouts, and CFD (computational fluid dynamics) simulation software Phoenics to simulate the outdoor wind environment. By comparison, the optimal layouts of pedestal and adjacent podiums is found. The results show that, when designing podiums in the area dense with high-rise buildings in Hangzhou, the adjacent layout of podiums is better than the pedestal. When the podium height ranges between 15.0 m and 20.0 m, its windward side width is about 70.0 m, and its windward depth is between 50.0 m and 60.0 m, the wind environment is most desirable.
- highrise office building /
- main building /
- podium /
- wind environment of pedestrian area /
- computer numerical simulation

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图 1 基地模型

Figure 1. Base model

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图 2 实际测量平均风速与离散程度

Figure 2. Actually measured average wind speed and dispersion degree

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图 3 原建筑风环境模拟

Figure 3. Wind environment simulation of original buildings

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图 4 3种形式建筑平面布局

Figure 4. Three types of layout plane of buildings

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图 5 3类风环境模拟

Figure 5. Three types of wind environment simulation diagram

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图 6 3种平面布局风速比

Figure 6. Wind speed ratio for three types of plane layouts

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图 7 5种类型建筑平面布局

Figure 7. Five types of plane layout of buildings

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图 8 5种平面布局风速比

Figure 8. Wind speed ratio of five types of plane layouts

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图 9 4类裙房高度建筑布局

Figure 9. Podium layouts with four types of heights

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图 10 4类高度布局风速比

Figure 10. Wind speed ratio of four types of heights

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图 11 3种宽度建筑平面布局

Figure 11. Plane layouts with three types of windward side widths

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图 12 3种迎风面宽度风速比

Figure 12. Wind speed ratio with three types of windward side widths

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图 13 5种进深建筑平面布局

Figure 13. Plane layouts with five types of windward side depths

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图 14 5种进深风速比

Figure 14. Wind speed ratio with five types of windward side depths

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风环境视野下杭州基座与毗邻式裙房布局分析

doi: 10.3969/j.issn.0258-2724.20190322

作者简介: 应小宇（1980—），男，教授，博士，硕士生导师，研究方向为城市风环境，E-mail： Evanyxy@qq.com

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Analysis on Layouts of Pedestal and Adjacent Podiums in Hangzhou in Wind Environment

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作者简介:
应小宇（1980—），男，教授，博士，硕士生导师，研究方向为城市风环境，E-mail： Evanyxy@qq.com