Analysis of Height-to-Width Ratio of Commercial Streets with Arcades Based on Sunshine Hours and Street Orientation

By extracting and simplifying the characteristics of commercial streets with arcades (Qilou) in Nanning, the tissue map of Qilou streets which reflects the urban morphology, including the road network form, block scale, building scale and other characteristics in a hot and humid area is obtained. In...

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Main Authors: Xianfeng Huang, Congmin Li, Zhixiang Zhuang
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/11/4/1706
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author Xianfeng Huang
Congmin Li
Zhixiang Zhuang
author_facet Xianfeng Huang
Congmin Li
Zhixiang Zhuang
author_sort Xianfeng Huang
collection DOAJ
description By extracting and simplifying the characteristics of commercial streets with arcades (Qilou) in Nanning, the tissue map of Qilou streets which reflects the urban morphology, including the road network form, block scale, building scale and other characteristics in a hot and humid area is obtained. In addition, the sunshine simulation is performed by using sunshine design software in an environment comprising streets with arcades to simulate street sunlight environments under various conditions. The relationship among street height-to-width ratio, sunshine hours, and street orientation angle is achieved by nonlinear fitting analysis. Then, a model is established to adjust the street height-to-width ratio based on sunshine requirement and street orientation. The finding indicated that when the street is north–south, it is suggested that the street height-to-width ratio is 0.95–1.13 to reduce sunshine hours effectively, and when the street is east–west, it is proposed that one side of the street should have a recessed space to improve the thermal conditions. The results of this study can serve as the specific guidelines that can be adopted in the redesign and reformation of commercial streets with arcades to achieve thermal comfort of Qilou streets in hot and humid areas.
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spelling doaj.art-9ccd6a6d88304c4c911225448ccd45882023-12-11T17:04:25ZengMDPI AGApplied Sciences2076-34172021-02-01114170610.3390/app11041706Analysis of Height-to-Width Ratio of Commercial Streets with Arcades Based on Sunshine Hours and Street OrientationXianfeng Huang0Congmin Li1Zhixiang Zhuang2College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, ChinaCollege of Civil Engineering and Architecture, Guangxi University, Nanning 530004, ChinaCollege of Civil Engineering and Architecture, Guangxi University, Nanning 530004, ChinaBy extracting and simplifying the characteristics of commercial streets with arcades (Qilou) in Nanning, the tissue map of Qilou streets which reflects the urban morphology, including the road network form, block scale, building scale and other characteristics in a hot and humid area is obtained. In addition, the sunshine simulation is performed by using sunshine design software in an environment comprising streets with arcades to simulate street sunlight environments under various conditions. The relationship among street height-to-width ratio, sunshine hours, and street orientation angle is achieved by nonlinear fitting analysis. Then, a model is established to adjust the street height-to-width ratio based on sunshine requirement and street orientation. The finding indicated that when the street is north–south, it is suggested that the street height-to-width ratio is 0.95–1.13 to reduce sunshine hours effectively, and when the street is east–west, it is proposed that one side of the street should have a recessed space to improve the thermal conditions. The results of this study can serve as the specific guidelines that can be adopted in the redesign and reformation of commercial streets with arcades to achieve thermal comfort of Qilou streets in hot and humid areas.https://www.mdpi.com/2076-3417/11/4/1706Qilou streetheight-to-width ratiosunshine hoursstreet orientation
spellingShingle Xianfeng Huang
Congmin Li
Zhixiang Zhuang
Analysis of Height-to-Width Ratio of Commercial Streets with Arcades Based on Sunshine Hours and Street Orientation
Applied Sciences
Qilou street
height-to-width ratio
sunshine hours
street orientation
title Analysis of Height-to-Width Ratio of Commercial Streets with Arcades Based on Sunshine Hours and Street Orientation
title_full Analysis of Height-to-Width Ratio of Commercial Streets with Arcades Based on Sunshine Hours and Street Orientation
title_fullStr Analysis of Height-to-Width Ratio of Commercial Streets with Arcades Based on Sunshine Hours and Street Orientation
title_full_unstemmed Analysis of Height-to-Width Ratio of Commercial Streets with Arcades Based on Sunshine Hours and Street Orientation
title_short Analysis of Height-to-Width Ratio of Commercial Streets with Arcades Based on Sunshine Hours and Street Orientation
title_sort analysis of height to width ratio of commercial streets with arcades based on sunshine hours and street orientation
topic Qilou street
height-to-width ratio
sunshine hours
street orientation
url https://www.mdpi.com/2076-3417/11/4/1706
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AT zhixiangzhuang analysisofheighttowidthratioofcommercialstreetswitharcadesbasedonsunshinehoursandstreetorientation