• The 2023 Joint Airfield Damage Repair Symposium (JADRS) at Fort Liberty, North Carolina

    Abstract: The US Army Engineer Research and Development Center (ERDC) and the 20th Engineer Brigade, 27th Engineer Battalion, executed the Joint Airfield Damage Repair Symposium from 5 to 14 June 2023. The event was a training experience for personnel executing pavement-repair tasks and a planning and coordination exercise for senior military and civilian leaders developing technologies and plans for airfield damage repair (ADR). The participants included 14 trainers, 8 staff members, 48 observers, and 145 trainees from the US Army, Air Force, Navy, and Marines. The Military Occupational Specialty of most Army trainees was 12N, Horizontal Construction Engineer. The symposium also included a workshop attended by more than 20 organizations representing all branches of the US Military. Breakout sessions were used to develop strategies to address gaps in ADR materials, training, and doctrine. At the end of the symposium, the 27th Engineer Battalion identified needs for an updated joint doctrine detailing the capabilities residing within each service branch and defining their roles and responsibilities, equipment up-grades based on commercially available products that would enhance efficiency for ADR missions, positioning ADR materials in strategic locations to reduce the logistical burden of delivery, and lighter, more expeditionary ADR kits across each service.
  • Repair of Damaged Continuity Joints Using Ultra-High Performance, Fiber Reinforced Self-Consolidating, and Magnesium–Aluminum–Liquid–Phosphate Concretes

    Abstract: Bridge elements known to develop damage over time are individual continuity joints connecting girders. Replacing damaged joints is an expensive and invasive process and a need exists to design a less invasive repair method. This study focused on evaluating an encapsulation repair method for continuity joints that would not require extensive demolition of the bridge deck to implement and could potentially be constructed without bridge closure. Approximately half scale connected bridge girder specimens were constructed and purposely damaged to create similar crack patterns to those seen in bridges. Once damaged, a set of three specimens was repaired using the encapsulation method with three different high performance materials, ultra-high performance concrete (UHPC), fiber reinforced self-consolidating concrete (FRSCC), and magnesium–aluminum–liquid–phosphate (MALP) concrete. Of the three repaired specimens for each material, one was tested in positive moment bending and two in negative moment bending, similar to in situ conditions. The results appear to indicate that using each of the tested materials as an encapsulation repair for damaged continuity joints is viable to re-establish continuity and load capacity. However, the UHPC repairs’ resistance to cracking could indicate the best performance by further protecting the continuity joint reinforcing steel from water ingress.
  • 2024 USACE Volunteer of the Year

    Can you keep a secret? The lake staff at the U.S. Army Corps of Engineers, Fort Worth District’s Lake Georgetown can, at least for two weeks. That’s how long they knew Stanley “Easy” Frerich had been selected as the 2024 USACE Volunteer of the Year. The trick was keeping it a secret until an appropriate ceremony could be planned.
  • MKARNS Nav Notice No. SWL 25-14 Lock 3 Unscheduled Closure

    Due to issues with the Tainter valve equipment, Joe Hardin Lock (No. 3) NM 50.2 is currently closed to traffic. Crews are onsite and will have the Lock reopened as soon as the repairs are completed. A subsequent Navigation Notice will be issued once the Lock has been opened to traffic.
  • Public crossing at Little Goose Dam closed March 4 through 6

    STARBUCK, Wash. – Public crossing at the U.S. Army Corps of Engineers’ Little Goose Lock and Dam will be closed from March 4 - 6 for maintenance.
  • South Pacific Division leads dam safety collaboration

    The U.S. Army Corps of Engineers South Pacific Division’s Dam Safety Production Center conducted a multi-district dam safety awareness event Jan. 27-30 at the Los Angeles District’s Arizona area office in midtown Phoenix.
  • USACE inspection confirms Martins Fork Dam stability after historic water levels

    The U.S. Army Corps of Engineers Nashville District conducted a special dam inspection at Martins Fork Dam on Feb. 25, following a record-setting high water event.
  • USACE completes debris removal in six Georgia counties

    SAVANNAH, Ga. – The U.S. Army Corps of Engineers, Savannah District, and its contractor have completed various types of debris removal in six Georgia counties, following the damage caused by Hurricane Helene in late September.
  • LA District takes big step toward Cahuilla Hot Springs restoration

    U.S. Army Corps of Engineers Los Angeles District officials joined the Cahuilla Band of Indians for a Feasibility Cost Share Agreement signing ceremony Feb. 26, as part of an effort to restore the tribe’s hot springs.
  • Army Corps of Engineers attend 2025 Brunswick, Savannah State of the Port

    SAVANNAH, Ga. – The U.S. Army Corps of Engineers, Savannah District, attended the 2025 Brunswick and Savannah State of the Port luncheons hosted by the Georgia Ports Authority.