新一代“聪明”的桥梁采用传感器以监测自身的结构问题,或在危险临近时向人们发出警报——2007年8月1号晚上,正是车水马龙的繁忙时间,明尼阿波利斯市一座跨越密西西比河的八车道钢桁架拱桥突然倒塌,造成13人死亡,145人受伤。事发前没 The new generation of “smart” bridges employ sensors to monitor their own structural problems or alert people when hazards are imminent - on the evening of the 1st of August, 2007, it was the rush of traffic, with the city of Minneapolis An eight-lane steel truss arch spanning the Mississippi River collapsed, killing 13 and wounding 145 others. Not before the incident