Abstract
High altitude cold regions tunnel construction environment is the key factor of tunnel construction progress, also relates to the technical personnel's health, this paper analyzes several key factors of restricting the construction environment, the field test of dust and CO several important indexes such as the maximum value, it is concluded that high altitude cold regions tunnel construction environment is relatively poor, dust and CO value beyond the standard requirements. Based on this, puts forward the measures to control the environment of high altitude cold regions tunnel construction for reference by the similar projects.
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