Analysis of Space Environment Design of Underground Buildings Based on Energy-savingAnalysis of Space Environment Design of Underground Buildings Based on Energy-saving.docVIP
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Analysis of Space Environment Design of Underground Buildings Based on Energy-savingAnalysis of Space Environment Design of Underground Buildings Based on Energy-saving
Analysis of Space Environment Design of Underground Buildings Based on Energy-saving
abstract:: underground space, the strategic space resources of cities, creates space of leisure shopping, parking, civil air defense works for human. however, compared with ground buildings, the environment quality of underground space is a bottleneck to the development of underground construction. now, mechanical ventilation and artificial lighting ,causing high expense of energy consumption , are widely employed to improve the air environment of underground buildings, which goes against the concept of sustainable development and ecological buildings.
key words: underground space;natural ventilation and lighting;energy saving;regional design
first: the urgency of the development of underground space
with the speedup of urbanization and the tension of land supply, the full use of underground space is highly valued to enhance land utilization ratio, preserve farm land, expand infrastructure capacity, abate downtown density and to improve urban ecology. nowadays, the development depth of underground space has reached around 30m, and it is estimated that the development of 1/3 underground space equals to the capacity of the whole city ground buildings. all in all, the full use of underground space possesses favorable environmental, social, and economical benefits.
second: the problems of underground space environment
1, the insufficiency of underground ventilation and lighting. because of the location of underground space, problems such as light dimness, kinds of disagreeable odor, a mass of harmful gases volatilized by building materials, metope mold caused by humidity often occur.
2, high-pitched noise and lack of vitality of underground environment. in underground space environment, same sounds can not be absorbed, thus echoes appear, especially the mingled noise of metro and crowds which make people feel disturbing. meanwhile, because of the isolation with natural environment, t
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