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Conference Paper: Development of modular green roofs for high-density urban cities

TitleDevelopment of modular green roofs for high-density urban cities
Authors
KeywordsModular green roofs
High-density urban cities
Hong Kong
Planning and design
Issue Date2008
Citation
The 2008 World Green Roof Congress, London, 17-18 September 2008. How to Cite?
AbstractMany cities are facing problems of urban heat island and lack of greenery space. Green roofs can help mitigate the adverse effects and bring the nature back to the urban area. To apply them effectively, it is important to evaluate the constraints and identify critical factors for planning and designing the green roofs. Modular green roofs have a good potential to suit high-density urban conditions because they can offer better flexibility, convenience and cost optimisation. This paper presents the research findings to develop modular green roof systems for high-density urban cities. Three different types of modular green roofs, including mat, tray and sack systems, were studied by assessing their designs and characteristics. The urban environment and typical buildings for green roof applications in Hong Kong were evaluated. Useful information was obtained to help design and select modular green roofs that can fit into high-density urban environment. In Hong Kong, the high-rise buildings have very limited roof spaces. It is usually more effective to apply green roofs to the top of medium- or low-rise buildings/structures or the intermediate podium roofs. For existing buildings, as they often have constraints on roof structural loading, it is necessary to select extremely lightweight systems. Modular green roofs can be designed to achieve this by adopting suitable vegetation and components. They can also provide greater flexibility for instant greening, future modification and maintenance. By optimising the manufacturing, nursery and installation processes, it is possible to reduce the unit cost of green roofs and allow wider spread.
DescriptionStream A: Lifecyle of implementing green roofs and green walls
Persistent Identifierhttp://hdl.handle.net/10722/62257

 

DC FieldValueLanguage
dc.contributor.authorHui, SCMen_HK
dc.contributor.authorChan, HM-
dc.date.accessioned2010-07-13T03:57:19Z-
dc.date.available2010-07-13T03:57:19Z-
dc.date.issued2008en_HK
dc.identifier.citationThe 2008 World Green Roof Congress, London, 17-18 September 2008.en_HK
dc.identifier.urihttp://hdl.handle.net/10722/62257-
dc.descriptionStream A: Lifecyle of implementing green roofs and green wallsen_HK
dc.description.abstractMany cities are facing problems of urban heat island and lack of greenery space. Green roofs can help mitigate the adverse effects and bring the nature back to the urban area. To apply them effectively, it is important to evaluate the constraints and identify critical factors for planning and designing the green roofs. Modular green roofs have a good potential to suit high-density urban conditions because they can offer better flexibility, convenience and cost optimisation. This paper presents the research findings to develop modular green roof systems for high-density urban cities. Three different types of modular green roofs, including mat, tray and sack systems, were studied by assessing their designs and characteristics. The urban environment and typical buildings for green roof applications in Hong Kong were evaluated. Useful information was obtained to help design and select modular green roofs that can fit into high-density urban environment. In Hong Kong, the high-rise buildings have very limited roof spaces. It is usually more effective to apply green roofs to the top of medium- or low-rise buildings/structures or the intermediate podium roofs. For existing buildings, as they often have constraints on roof structural loading, it is necessary to select extremely lightweight systems. Modular green roofs can be designed to achieve this by adopting suitable vegetation and components. They can also provide greater flexibility for instant greening, future modification and maintenance. By optimising the manufacturing, nursery and installation processes, it is possible to reduce the unit cost of green roofs and allow wider spread.-
dc.languageengen_HK
dc.relation.ispartofWorld Green Roof Congress-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectModular green roofs-
dc.subjectHigh-density urban cities-
dc.subjectHong Kong-
dc.subjectPlanning and design-
dc.titleDevelopment of modular green roofs for high-density urban citiesen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailHui, SCM: cmhui@hku.hken_HK
dc.description.naturepostprint-
dc.identifier.hkuros161581en_HK
dc.description.otherThe 2008 World Green Roof Congress, London, 17-18 September 2008.-

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