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Jiang Lu
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Civil Engineering, Building, Construction & Architecture Engineering Transportation

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ANALYSIS OF RESIDENTIAL ENVIRONMENT AND ENERGY USE IN RURAL AREAS IN HOT SUMMER AND COLD WINTER REGION OF CHINA-A CASE STUDY OF HANGZHOU Jiang Lu; Jian Ge; Xiao Yu Luo; Min Yan Lu
Lowland Technology International Vol 16 No 1, June (2014)
Publisher : International Association of Lowland Technology

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Abstract

With the gradual development of the new rural construction, and the continuous improvement of the rural per capita living space, sustainable development of the rural living environment is becoming an increasingly urgent task. This paper selected three different terrain villages in the rural area of Hangzhou as a study object, which located in the Middle and lower reaches of Yangtze River. Firstly, the investigation, collection and analysis on the building status, energy data and residents’ subjective feeling of the three villages had been done through basic research and sampling questionnaire. Secondly, it selected two typical housing in each village, separately carried on the measurement of the building physical environment and computer quantitative simulation of the ventilation, lighting, and energy consumption, along with the comprehensive evaluation with the simulation results. Finally, the major existing problems of the living environment in the rural areas have been found, according to which some operable implementation strategy and policy Suggestions have been put forward.
Effects of external wall composition on embodied CO2 emission and economic cost in hot summer and cold winter zone of China Jiang Lu; Jiantao Weng
Lowland Technology International Vol 22 No 2 (2020): Lowland Technology International Journal
Publisher : International Association of Lowland Technology

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External walls make up the main components of the building envelope. Numerous standards were proposed addressing the thermal performance, whereas the embodied CO2 emission and economic cost of different external walls lacks further study. Four typical types of external walls, i.e., external insulation (Wall 1), internal insulation (Wall 2), self-insulation (Wall 3), and combined internal and external insulation (Wall 4), are designed. The thermal performance of Walls 1–4 is set to be the same by adjusting the thickness of insulation. The four walls are considered to be part of a typical residential building located in Hangzhou, China. The embodied CO2 emissions and economic costs of Walls 1–4 are quantitatively compared based on life cycle assessment and life cycle cost. Wall 3 performs optimally on both reducing embodied CO2 emission and reducing economic costs. Although Wall 4 does not have an obvious advantage on reducing embodied CO2 emissions, the total economic cost of Wall 4 is 14.9% and 9.5% lower than that of Wall 1 and Wall 2 respectively, which indicates its potential in possessing a certain amount of the market share. This study provides helpful data and evaluating procedures for establishing standards in future carbon reduction of buildings.
Co-Authors Jian Ge Jiantao Weng Min Yan Lu Xiao Yu Luo