Spillway crest gate system and inflatable bladder therefor

摘要

Several gate panels are pivotably mounted on top of a dam spillway which are raised against the force of water by inflatable bladders. The bladders are integrally vulcanized envelopes. A unique method of inflatable bladder reinforcement is disclosed. Improvements in connecting the gate panels to the air bladder, to the restraining straps, to each other, and to the dam spillway are disclosed. Improvements in gate panel construction are disclosed.