Abstract
The hospital street is widely utilized in the modern health care facilities as a main traffic streamline to connecting all of the outpatient rooms and treatment departments for easy access. This study investigate the indoor environment quality of a typical hospital street, i.e., a high space atrium with ETFE membrane structure in the top. The investigation combines the on-site measurement and subjective survey. The results indicates that the indoor air temperature in the atrium reaches up to 32.6oC in a summer day causing thermal discomfort according to ASHRAE 55. The CO2, PM2.5, TVOC concentration in the hospital street comply with the Chinese standard for hospitals. The illumination in the corridors around the atrium is below the threshold of Chinese standard, i.e., 100 lux. Due to the vibration of the light ETFE membrane structure, the noise level in rainy days is as high as 79.5 dB which causes acoustic discomfort of occupants. This study is beneficial for the design of the hospital street design with the ETFE membrane structure.
Highlights
The aging acceleration of population in China results in a large demand of health care facilities in future
This study aims to evaluate the indoor environment quality in an open atrium of an existing hospital with ETFE membrane structure in a hot and humid climate region by field study
This study investigate the indoor environment quality of the hospital street in hot and humid region through objective on-site measurement and subjective survey
Summary
The aging acceleration of population in China results in a large demand of health care facilities in future. The improved environmental quality can increase productivity and reduce recovery times [1,2]. The hospital street, i.e., a high space atrium, is widely applied into healthcare facilities for humanitarian design of space and people flowing organization. The hospital street connecting almost every outpatient rooms plays an important role in the indoor environment quality of associated rooms, e.g., the thermal, acoustical and light environment [3,4]. This study aims to evaluate the indoor environment quality in an open atrium of an existing hospital with ETFE membrane structure in a hot and humid climate region by field study. This study is beneficial for proper architecture design of the hospital street
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