Tag: Flooding

HEC-RAS Software: How Math Mitigates Flooding

In this City of Loveland, Colorado, map, the red line shows the HEC-RAS modeled 100-year floodplain that Ayres Associates completed in 2005. The yellow line shows the extents of the 2013 major flood, as measured by the City of Loveland. By John Hunt, Senior Hydraulic Engineer When it comes to 1-dimensional open-channel hydraulic analysis, the… Read More »

When Emergency Strikes, Inspectors and Engineers Leap into Action

The Atlanta transportation system was dealt a colossal blow March 30 after a massive fire under Interstate 85 caused a large bridge section to collapse. The blaze, apparently set intentionally, brought instant headaches to hundreds of thousands of commuters – even prompting the governor to declare a state of emergency. The collapse was a topic… Read More »

Road Closed — But Engineers Are On The Scene

The culvert that carried Trout Brook under STH 13 at North York in Ashland County, Wisconsin, was washed out July 11 after torrential rains hit the area.   By Jeff Abramson, PE “All the roads into Mellen (Wisconsin) were closed this morning from washouts and bridges gone.” That daunting line in an Associated Press report… Read More »