Research methods: Take the double-track tunnel in the Lanzhou-Wunan for example, the relation graph of train speed and maximum pressure has been simulated and figured out with the formula.
研究目的：通过计算，分析我国双线隧道中存在的瞬变压力问题，并提出相应的缓解措施。
Research methods: Take the double-track tunnel in the Lanzhou-Wunan for example, the relation graph of train speed and maximum pressure has been simulated and figured out with the formula.
研究目的：通过计算，分析我国双线隧道中存在的瞬变压力问题，并提出相应的缓解措施。
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