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摘要：
For the controversy of the grade factor in the critical speed model recommended in most tunnel design codes, the effects of the slop on the critical velocity in a titled tunnel were studied by the numerical and experimental methods in this study. A 1: 8 small-scale titled tunnel model was built for the experimental studies. The grade factors to the critical velocity model due to Kennedy in the normal level tunnel were obtained. (C) 2017 The Authors. Published by Elsevier Ltd.
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来源 ：
10TH INTERNATIONAL SYMPOSIUM ON HEATING, VENTILATION AND AIR CONDITIONING, ISHVAC2017
ISSN： 1877-7058
年份： 2017
卷： 205
页码： 1864-1870
语种： 英文
