The results show that the air and wall temperature rises instantly with high amplitude of temperature variation, when the train moves through the tunnel.
测量结果显示:当隧道内有列车通过时,气温和壁面温度都瞬间升高,气温变化幅度较大。
2
With hightemperature and quick increase of temperature, the tunnel fire may do a heavy damage to tunnel lining and reduce the reliability of the structural system.
由于隧道火灾温度高,升温速度快,会对衬砌结构造成严重的损坏,并影响衬砌结构体系的可靠性。
3
Hightemperature, coating composition change, expansive agent happen quickly, thus forming porous expansion of insulating layer, prevent heat to the tunnel masonry relay.