1999年,1辆冷藏全挂车在勃朗峰隧道内起火。由于隧道内空间有限,火灾迅速发展蔓延,很快达到1 000℃。伴随着浓密的热烟气和毒性气体,火灾持续燃烧了2天,任何援救行动都无从着手,最终39人在这场事故中丧生。人们从中吸取了相关的教训,但是,仅仅两年之后,2辆卡车在瑞士盛格达隧道发生碰撞事故,引发火灾,夺走了11人的生命。自英法海底隧道在1994年开放后,发生了4起重大火灾事故,严重阻隔了正常的运输,并导致部分人员受伤,但所幸没有 In 1999, a refrigerated trailer caught fire in the Mont Blanc tunnel. Due to the limited space in the tunnel, the rapid development and spread of the fire quickly reached 1 000 ℃. Accompanied by dense hot flue gas and toxic gases, the fire continued to burn for two days and no rescue operation was possible, leaving 39 people dead in the accident. However, just two years later, two trucks collided in the Swiss Vedas, triggering a fire that claimed 11 lives. Since the opening of the British-French Cross Harbor Tunnel in 1994, four major fire accidents have taken place that have seriously obstructed normal transport and caused injuries to some people. Fortunately,