Location

Atlanta, GA

Presentation Type

Presentation

Start Date

10-8-2025 9:20 AM

Description

Since the Piano Key Weirs (PKW) were introduced by F. Lempérière and A. Ouamane (2003) many such structures have been built for irrigation, hydroelectricity and water regulation due to their outstanding efficiency. In Vietnam, PKWs have also attracted significant attention. There have been several laboratory hydraulic model studies to test the discharge capacity, flow characteristics, and energy dissipation downstream the spillway. Vietnam had also issued PKW design standard for easy of application in 2018. This paper describes shortly 18 Piano Key Weirs in operation in Vietnam (among other existing PKWs) : Dak Mi 4B, Dak Mi 3, Dak Rong 3, Da Dang 3, Van Phong, Xuan Minh, Dak Trua 1, Dak Trua 2, Dak Nghe, Dak Sor 2, Buon Triet, Dong Do, Dam Ha Dong, Dong Nai 1 and Canh Tang reservoir, Thuong Song Ong Dak Rong 4 and My Son.

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Oct 8th, 9:20 AM

Research and Application of Piano Key Weirs in Vietnam (2025)

Atlanta, GA

Since the Piano Key Weirs (PKW) were introduced by F. Lempérière and A. Ouamane (2003) many such structures have been built for irrigation, hydroelectricity and water regulation due to their outstanding efficiency. In Vietnam, PKWs have also attracted significant attention. There have been several laboratory hydraulic model studies to test the discharge capacity, flow characteristics, and energy dissipation downstream the spillway. Vietnam had also issued PKW design standard for easy of application in 2018. This paper describes shortly 18 Piano Key Weirs in operation in Vietnam (among other existing PKWs) : Dak Mi 4B, Dak Mi 3, Dak Rong 3, Da Dang 3, Van Phong, Xuan Minh, Dak Trua 1, Dak Trua 2, Dak Nghe, Dak Sor 2, Buon Triet, Dong Do, Dam Ha Dong, Dong Nai 1 and Canh Tang reservoir, Thuong Song Ong Dak Rong 4 and My Son.