TY - JOUR PY - 2015// TI - Study on oxygen supply standard for physical health of construction personnel of high-altitude tunnels JO - International journal of environmental research and public health A1 - Guo, Chun A1 - Xu, Jianfeng A1 - Wang, Mingnian A1 - Yan, Tao A1 - Yang, Lu A1 - Sun, Zhitao SP - e13010064 EP - e13010064 VL - 13 IS - 1 N2 - The low atmospheric pressure and low oxygen content in high-altitude environment have great impacts on the functions of human body. Especially for the personnel engaged in complicated physical labor such as tunnel construction, high altitude can cause a series of adverse physiological reactions, which may result in multiple high-altitude diseases and even death in severe cases. Artificial oxygen supply is required to ensure health and safety of construction personnel in hypoxic environments. However, there are no provisions for oxygen supply standard for tunnel construction personnel in high-altitude areas in current tunnel construction specifications. As a result, this paper has theoretically studied the impacts of high-altitude environment on human bodies, analyzed the relationship between labor intensity and oxygen consumption in high-altitude areas and determined the critical oxygen-supply altitude values for tunnel construction based on two different standard evaluation systems, i.e., variation of air density and equivalent PIO₂. In addition, it has finally determined the oxygen supply standard for construction personnel in high-altitude areas based on the relationship between construction labor intensity and oxygen consumption.

Language: en

LA - en SN - 1661-7827 UR - http://dx.doi.org/10.3390/ijerph13010064 ID - ref1 ER -