Comparative Research on Prefabricated Exterior Walls for Ultra Low Energy Residential Buildings in Shanghai
Based on the safety improvement requirements of external wall insulation construction,Shanghai has specified that the demonstration projects of ultra-low energy residential buildings must adopt the integrated system of external wall insulation structure,including the prefabricated sandwich and counter-battened external wall systems.This paper conducted a comparative analysis of two types of external wall systems from the perspectives of thermal insulation structures,typical node designs,and thermal performance differences,and proposed recommendations for the selection of external wall systems and corresponding optimization strategies.This study can guide the construction and promotion of assembled ultra-low energy buildings,and help to promote the realization of Shanghai and even the dual-carbon goals in hot summer and cold winter regions.
ultra-low energy residential buildingsprefabricated buildingsinsulation structuresnode designthermal analysis
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