最后经过理论对爆破振动信号的分析和现场检查，得出结论，说明友谊公路隧道开挖时的爆破产生的振动并未对相邻的铁路隧道有很大破坏性的影响。
Thanks to the theory of signal analysis and on-site inspection , the conclusion shows that highway tunnel blasting vibration did not have great impact on the railway tunnel .
友谊隧道