Issue 25 and Volume 64.

LARGE CAPACITY RESERVOIR OUTLETS’ When the United States Reclamation Service began the construction of its first large dams, there were no well established precedents which could be followed in the design of the large-capacity outlet works required, and it was therefore necessary to do much development work before this problem was solved. The data obtained during the course of the earlier developments were applied to later designs and led to some very successful installations. It is the purpose of this paper to describe some of the phenomena observed and the methods used in overcoming the early difficulties. One of the most successful later installations is also described. It is not a very difficult matter to discharge a few second-feet of water under a head of one or two hundred feet, nor does the releasing of thousands of second-feet cause the designer much anxiety where the head is less than, say,…

Subscribe to unlock this content

Subscribe Now