1981年8月秦岭地区普降暴雨,宝鸡至成都、宝鸡至天水铁路(简称“两宝”)遭到历史罕见的暴雨、洪水袭击。因泥石流灾害,造成宝天铁路中断行车十处,其中K1308+047小桥沟泥石流冲走一孔10米钢筋混凝土梁,K1290+646泥石流冲毁桥头路基,而宝成铁路81年8月18日至24日所发生的泥石流对铁路造成灾害的有60多处,其中掩埋车站5处、堵塞 August 1981 heavy rains in Qinling area, Baoji to Chengdu, Baoji to Tianshui Railway (referred to as “treasure”) was a rare history of heavy rains and floods. Due to the debris flow disaster, Baotian Railway caused 10 traffic interruptions, in which K1308 + 047 Xiaoqiao Gully debris flow washed away a hole 10 meters of reinforced concrete beam, K1290 +646 debris flow destroyed the bridgehead subgrade, and Bao-Cheng Railway August 18, 81 Debris flow to the 24th caused more than 60 railway disasters, of which 5 buried stations, blocked