从去年11月到今年5月的半年 时间里,湖南湘西自治州连续发生 三起公路桥垮塌事故,教训确实发 人深省。三起事故中,一起是花垣 县商18.6米、单跨30米的张匹马桥 在拱圈施工中盔架垮塌,死亡2 人,重伤25人,轻伤11人,经济 损失约4万元。另一起是保靖县长 20米、高12米的新寨公路桥, From November last year to May this year, half a year, Hunan Xiangxi Autonomous Prefecture occurred in three consecutive road and bridge collapse accident, the lesson really thought-provoking. Among the three accidents, one was 18.6 meters from Huayuan County and the Zhangma Ma Bridge with single span of 30 meters collapsed on the arch ring. Two people were killed, 25 were seriously injured and 11 were slightly injured. The economic loss was about 40,000 yuan . The other is Baojing County Chief 20 meters, 12 meters high Xinzhai Highway Bridge,