Abstract
In the current context of increasing energy demand, timber-glass buildings will become a necessary trend in sustainable architecture in the future. Especially in severe cold zones of China, energy consumption and the visual comfort of residential buildings have attracted wide attention, and there are always trade-offs between multiple objectives. This paper aims to propose a simulation-based multiobjective optimization method to improve the daylighting, energy efficiency, and economic performance of timber-glass buildings in severe cold regions. Timber-glass building form variables have been selected as the decision variables, including building width, roof height, south and north window-to-wall ratio (WWR), window height, and orientation. A simulation-based multiobjective optimization model has been developed to optimize these performance objectives simultaneously. The results show that Daylighting Autonomy (DA) presents negative correlations with Energy Use Intensity (EUI) and total cost. Additionally, with an increase in DA, Useful Daylighting Illuminance (UDI) demonstrates a tendency of primary increase and then decrease. Using this optimization model, four building performances have been improved from the initial generation to the final generation, which proves that simulation-based multiobjective optimization is a promising approach to improve the daylighting, energy efficiency, and economic performances of timber-glass buildings in severe cold regions.
Highlights
Energy conservation in the construction industry has a significant impact on building a sustainable society [1]
Statistical data show that the energy consumed by rural residential buildings accounts for about a quarter of the total energy consumption of buildings [2]
ConclusiAorncshitectural design is the essential process of seeking optimal solutions with the consideration Arocfhmituelcttipulrealobdjeecstiigvnesi.sTthheemesusletinotbijaelctpivreocoepstsimoifzasetieokninofgaotpimtimbear-lgsloaslsutbiuoinldsinwgitihn tsheveecroelnysicdoledration orefgmiounlsrcteiawpglcilauoeTsnlaohsptbeiweojrvenafacssol,tupri1vmee4re1dfesondi.srotmTtrnoihe-bddieumottmmioopiniurnmolaotpvtfieroedtobhvtsehjeeoeocltuhptDitetiviAoDmen,AisozU,wpaUDtteiioDrImen,I,EsioEzeUbaaUjrIteIc,ic,hoataeinnnvdddeo.sfttohoatataastlilcbmcoeosebtsneptrdep-rigesflcoraufrsomsssraembnduc.aeinDsldc.AeAinshf.tgaeAdrinf5tt5heserietev5wr5eaidrtiieteoelsnytractoioldn calculartaionnges,o1f4n1unmoenr-icdaol mvailnuaetse, dfoslloolwuetidonbsy wUeDrIe, tsoetaarlcchoestd, .and Energy Use Intensity (EUI), which demonstrates that in this
Summary
Energy conservation in the construction industry has a significant impact on building a sustainable society [1]. Residential housing in severely cold zones consumes a large amount of energy due to their high-conductivity materials such as bricks and rammed earth. Statistical data show that the energy consumed by rural residential buildings accounts for about a quarter of the total energy consumption of buildings [2]. Since the construction industry is regarded as one of the primary consumers of resources and producers of a substantial proportion of wastes worldwide [3], high-performance sustainable materials such as timber and bamboo are necessary to replace conventional ones. In terms of energy conservation and indoor environment quality, timber and glass have become ideally matched materials for residential buildings in severely cold regions
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