最后，本文就长大隧道坡度折减系数的分析及标准本身的研究提出了建议。
It also gives some Suggestions on the studies of gradient reduced coefficient of traction in long tunnels and the design standard.
湖底隧道建设中，各种因素如边坡坡度，坡上超载以及地下水等对开挖时边坡稳定性的影响必须确定。
The relationship between the factors such as gradient, loads and groundwater and the slope stability in lake tunnel excavation should be known.
在坡度隧道中，由于火风压的作用，临界风速与水平隧道临界风速相比会有一定的差异。
The critical wind velocity in sloping tunnels will be different from horizontal tunnels due to the stack effect.
大多数条海底公路隧道是单洞双线，但是当坡度大于6%时，有些隧道就增加一条线。
Most of the tunnels have one tube with two lanes, but some tunnels have an extra lane when the gradient is more than 6 %.
大多数条海底公路隧道是单洞双线，但是当坡度大于6%时，有些隧道就增加一条线。
Most of the tunnels have one tube with two lanes, but some tunnels have an extra lane when the gradient is more than 6 %.
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