Abstract
Under the background of Chinese Rural Revitalization Strategy, how to improve rural regional environment and living quality is very important and urgent. At present, residential buildings in gully regions of the Loess Plateau have poor insulation and high-energy consumption. Thus, better ecological design can largely save energy and improve living comfort. The findings of this paper provide an insight into the ecological design potentials for reducing energy demand across rural regions in China. In this paper, we select three main types of residential buildings in gully regions and build energy demand models based on the Life Cycle Assessment (LCA) method. The results show that the energy demand in the building use stage is extremely high in all three typical buildings, which account for around 90% of the whole life cycle. The energy demand of the traditional adobe residential building is lower than the brick-concrete structure buildings. The LCA method used in this paper can quantify the energy demand in each stage of life cycle, which helps to put forward the corresponding ecological design strategy. The research results can be used as a reference in the future development of this region and other rural regions in China.
Highlights
Purpose of is this research aislist to for each energy demand, use to figure out the difference among these residential buildings establish a list for each energy demand, use Life Cycle Assessment (LCA) to figure out the difference among these and their influence onand thetheir environment
The highest total energy demand is for the two-story brick-concrete residential building, and the highest energy demand for unit construction area is for the one-story brick-concrete residential building
Different improvement measures should be taken for different building forms to reduce the energy demand of rural residential areas in this region
Summary
The Loess Plateau is located in the mid-west of China, which is among the earliest human settlements and most fragile ecological areas, covered with 30–300 m thick calcareous yellow soil. It is about 530 thousand square kilometers, accounting for 1/l8 of total Chinese territory [1]. The gully region, located in the southern part of the Loess Plateau, mainly refers to the gully regions of Wei Bei. Loess Plateau, Shan Bei Loess Plateau and Long Dong Loess Plateau, including 7 cities, 18 counties, a population of about 4.3 million, and a total area of about 14.8 thousand square kilometers [2], as shown in Figure 1 and Table 1
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