Research On Building Energy-saving Transformation Strategy In Qingdao Liyuan

As a combination of Chinese and Western local architectural forms,Qingdao Liyuan architecture has important historical culture and value.At present,most of the buildings in Qingdao Liyuan are seriously aging and damaged,and they no longer meet the needs of modern people,and they urgently need to be protected and transformed.Limited by the fa?ade style,material material,architectural color and other elements,the courtyard building must carry out moderate energy-saving renovation under the premise of protection.At present,in the field of architecture,the research results of energy-saving renovation of general buildings are relatively rich,but the research on protective energy-saving renovation of regional historical buildings including courtyards is still in its infancy,and it is difficult to meet the needs of engineering practice.Therefore,this paper focuses on the Qingdao courtyard building,takes the envelope structure as the research carrier,and explores the comprehensive energy-saving transformation strategy of the courtyard building under the orientation of protective transformation.Firstly,this paper systematically sorts out the development history and protection status of Qingdao courtyard,and analyzes the problems of the building envelope of Qingdao courtyard and the corresponding protective energy-saving transformation technology.Using a combination of qualitative and quantitative methods,a number of typical Qingdao courtyards were selected to carry out on-site investigation and thermal environment measurement,and the defects of the envelope structure were clearly analyzed.According to the protection requirements and structural characteristics of the courtyard building,select appropriate materials and construction methods.On this basis,taking the landmark building located at the corner of Henan Road-Qufu Road-No.13 Liyuan Building of Qufu Road as an example,the quantitative comparison and analysis of various energy efficiency improvement schemes are carried out.According to the relevant research and engineering practice,the protective transformation strategy of the exterior wall,roof and exterior window parts of the inner courtyard building was determined,and a variety of renovation schemes under different working conditions were determined based on the principle of single part transformation of the envelope structure and multi-part collaborative transformation.The Rhinoceros &Grasshopper computer simulation platform based on the Energyplus kernel simulates energy consumption in a variety of working conditions.Through the quantitative analysis of the energy-saving effect,economic benefit and energy efficiency of each working condition,the appropriate combination of renovation plans is determined,and the optimal energy-saving transformation strategy of Qingdao Liyuan based on the principle of protection priority is proposed.This paper simulates and quantifies the various working conditions of single-part transformation and multi-part collaborative transformation,which is conducive to providing useful ideas and references for the protective energy-saving renovation of a large number of existing Qingdao courtyards in a "point-by-point" manner,and also provides a reference for the protection and utilization of historical buildings in other regions of China.