Tunneling through an urban environment like that of Los Angeles is complex enough. Add to that a medley of poor soils (including tar pits); a variety of dangerous gases; and two seismic faults and it becomes a task that until not so long ago was impossible.
The 1915Çanakkale Bridge is not only the world’s longest suspension bridge, with a main span of 2,023 m, but a historic and economic new landmark for Turkey.
The Biden administration’s Federal Sustainability Plan, announced in April, will require all agencies to transition to light-duty electric vehicles by 2027 and heavy-duty zero-emission vehicles by 2035.
Public agencies are testing a tool that could take monitoring of bridges and dams to a higher level by using data from drones and sensors in a digital twin.