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  • Corps of Engineers announces new traffic plan for Cook Recreation Area

    NASHVILLE, Tenn. (May 7, 2024) – The U.S. Army Corps of Engineers Nashville District announces operational changes to Cook Recreation Area at J. Percy Priest Lake. Park staff will use electric gates, traffic cones and newly constructed roundabout and entrance station to manage traffic flow and parking.

  • ‘Rooted in trust and respect’: Kansas Citys Levees team continues to deliver on commitment to Kansas City metro area

    Engineering, construction, planning, design — these are hard sciences, which require a systemic, methodical approach. While these sciences are by no means easy, they are easy to quantify. More challenging to quantify are the soft sciences — communication, trust, respect, partnership. Building structures is a science; building partnerships is an art. It might not always be obvious, but both are often required for a successful construction project. For the Kansas Citys Levees project team at the Kansas City District, U.S. Army Corps of Engineers, the art of building and maintaining a culture of partnership and collaboration has proved to be just as critical for success as the design and construction of the project have been. The $529 million project, which aims to improve the reliability and resiliency of 17 miles of existing levees in the Kansas City metro area, is unlike any other in the heartland.

  • Spherical Shock Waveform Reconstruction by Heterodyne Interferometry

    Abstract: The indirect measurement of shock waveforms by acousto-optic sensing requires a method to reconstruct the field from the projected data. Under the assumption of spherical symmetry, one approach is to reconstruct the field by the Abel inversion integral transform. When the acousto-optic sensing modality measures the change in optical phase difference time derivative, as for a heterodyne Mach–Zehnder interferometer, e.g., a laser Doppler vibrometer, the reconstructed field is the fluctuating refractive index time derivative. A technique is derived that reconstructs the fluctuating index directly by assuming plane wave propagation local to a probe beam. With synthetic data, this approach is compared to the Abel inversion integral transform and then applied to experimental data of laser-induced shockwaves. Time waveforms are reconstructed with greater accuracy except for the tail of the waveform that maps spatially to positions near a virtual origin. Furthermore, direct reconstruction of the fluctuating index field eliminates the required time integration and results in more accurate shock waveform peak values, rise times, and positive phase duration.

  • Full transparency: National Inventory of Dams a ‘powerful tool’ in emergency planning

    No news is good news. This common phrase can apply to countless scenarios but when it comes to dam safety, no news really is good news. Dam safety is something that most people probably don’t think about daily. The reality is most people probably don’t stop to consider the safety of a dam unless there has been an emergency or other type of incident. Thankfully, there are a number of individuals who work day-in and day-out to ensure the safety of the more than 700 U.S. Army Corps of Engineers-owned and operated dams across the nation. The USACE Dam Safety Program uses a risk-informed approach to managing its dams, with life safety being the number one priority.

  • Corps of Engineers hosts open house for Oxbow-Hickson-Bakke ring levee project

    The U.S. Army Corps of Engineers, St. Paul District, invites the community to attend an open house to learn more about the upcoming Oxbow-Hickson-Bakke Ring Levee project May 15, from 5:30-8 p.m. at the Hickson Community Center in Hickson, North Dakota.

  • Army Corps monitors area rivers and reservoirs

    The U.S. Army Corps of Engineers, St. Louis District, continues to keep a watchful eye on water levels as bands of precipitation continue to pass through the Bi-State area. The district’s water control operations center is monitoring lake and river levels daily. “Flooding typically occurs when prolonged rain falls over several days and we will continue to monitor water levels closely and stand by to mitigate conditions,” noted Joan Stemler, chief, water control operations.

  • With Largest USACE Investment, Great Sodus Bay Breakwater Repair Out for Proposals

    A work package from the U.S. Army Corps of Engineers, Buffalo District for repairs to the Great Sodus Bay East Breakwater is officially out for proposals. $20 million dollars is already allocated towards the 100% federally funded project, marking the largest investment ever in Great Sodus Bay by the Corps of Engineers.

  • U.S. Army Corps of Engineers Closes Wallisville Lake Project, JJ Mayes Wildlife Trace As Waters Rise

    The U.S. Army Corps of Engineers, Galveston District, closed the Wallisville Lake Project and JJ Mayes Wildlife Trace, 40 miles east of Houston, due to rising water on the Trinity River, until further notice.

  • High water causes debris warning, closures at Saylorville Lake

    Following recent rainfall in the Des Moines River watershed and subsequent rising water levels at Saylorville Lake, the U.S. Army Corps of Engineers has implemented closures in specific areas for public safety. The closed areas include Cherry Glen Lower Boat Ramp, the lower parking lot at Lakeview High Water Boat Ramp, Oak Grove Beach Access, and NW Jester Park Drive. These closures will remain in effect until lake levels recede, and the areas can be cleaned and safely reopened.

  • Safety week observed at Louisville VA Medical Center project

    Contractors and Louisville District Veterans Affairs Division employees observed Construction Safety