STUDY ON EXTERIOR WALL OF HIGH-RISE RESIDENTIAL BUILDINGS IN HOT SUMMER AND COLD WINTER ZONE BASED ON OPTIMIZATION OF OPERATING ENERGY CONSUMPTION AND PAYBACK PERIOD
DB 33/1015-2021 Design standard for energy efficiency of residential buildings,which puts forward more stringent requirements for the performance of residential buildings such as external walls,directly affecting the overall building cost.How to control the initial investment cost and payback period under the premise of meeting the current energy saving standard has strong practical significance.A total of 21 residential building projects(227 individual buildings in Hongzhou)were investigated in this paper,and a genetic algorithm optimization model of exterior wall of a typical high-rise residential building was established based on Rhino and Grasshopper platforms.The optimization results show that the rational composite insulation structure can not only reduce the building operation energy consumption(14.46%~16.27%),and also control the payback period within a reasonable range(13.54~15.00 years)which can provide some reference for designers when designing similar buildings.
residential buildingshot summers and cold winter zonebuilding energy efficiency