International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage
2255. Fixed buttress weir, Ambursen dam or Ambursen weir : A fixed dam consisting of water-supporting upstream face supported by buttresses which are equally spaced walls or struts proportioned to transmit the water load and the weight of the structure, to the foundations. Note - It is classified as open or closed Ambursen weir according to the absence or provision of downstream face slab.(originated by Swedish Engineer Nils Ambursen.) | ||