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[1]LÜ,Hua-fang,TANG Li-hua,et al.Study on the Water-holding Characteristics of Light Matrix for Green Roof[J].Research of Soil and Water Conservation,2011,18(04):223-225.

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Study on the Water-holding Characteristics of Light Matrix for Green Roof

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 04 Page number: 223-225 Column: Public date: 2011-08-20

Title:: Study on the Water-holding Characteristics of Light Matrix for Green Roof

Author(s):: LÜ Hua-fang¹, TANG Li-hua¹, SUN Ting¹, CHEN Jian-gang²; 1. Department of Hydraulic Engineering, State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China;
2. Beijing Hydraulic Research Institute, Beijing 100044, China

Keywords:: green roof; light matrix; experiments of water-holding capacity; soil water characteristic curve

CLC:: S152.7

DOI:: -

Abstract:: Green roofs have been widely used in major cities all over the world for their function of reducing flood, regulating local climate and cleaning up environment. Instead of natural soil, light matrix is usually used as planting layer on green roofs. At present, there is little study on water-holding characteristics of such material. In this paper, combined with a plot of green roof build up on the top floor of an office building in a university in Beijing, some experiments on the water-holding characteristics of matrix were carried out. Some other characteristics of water content were also tested and verified by the experiments and data on green roof were automatically observed. According to the experimental results, it was obtained that the material used in the green roof is much slighter than natural soil, but with great water-holding capacity. The research results can provide basic references for deeply analyzing water and heat energy, as well as application and promotion of green roofs.

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