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DISCUSSION ON REASONABLE USE OF NATURAL WIND IN TUNNEL ENGINEERING

WANG Cheng-kai;Jinzhai Branch of Highway Administration of Lu'an City;  
Based on the principle of natural wind forming in tunnel engineering, in view of driving force and affecting factors, this paper analyzed inherent relationship between each component of natural wind pressure, obtained revised formula of natural wind calculation, and a natural wind speed calculation method given a shaft, validated the effectiveness of calculation formula, providing a scientific method and reliable basis for future research in this respect.
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