New spillway at the Esch-sur-Sûre dam in Luxembourg ; Nouvel évacuateur de crue au barrage d'Esch-sur-Sûre au Luxembourg

peer reviewed ; The 50-m high arch dam of Esch-sur-Sûre, built on the river Sûre between 1956 and 1957, is located 1.2 km upstream of the town of esch-sur-Sûre in the north west of Luxembourg. As the dam is not equipped with a surface spillway, the construction of a new one is considered necessary. The new spillway design with a discharge capacity of 400 m³/s consists in building two labyrinth weirs discharging into a spillway tunnel passing under the left dam abutment.