Research Studies on Hydraulic Downpull Forces on Large Gates with Special Application to the San Luis Outlet Works Emergency Gates PDF Download
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Author: R. I. Murray Publisher: ISBN: Category : Languages : en Pages : 80
Book Description
General studies were made to determine design parameters for hydraulic downpull and uplift forces on downstream seal, roller-mounted gates located in entrance transitions of large conduits. Effects of various gate lip extensions, and recesses in the gate shaft, were investigated for one seal extension. Uplift forces great enough to prevent closure of gates under their own weight were found. Uplift forces were controlled by proper shaping of offsets and recesses in the face of the gate shaft or bonnet. A gate lip extension to leaf thickness ratio of 0.55 was selected as the optimum compromise between structural and hydraulic considerations. Pressures on the gate bottoms, and hence the downpull, were significantly affected by the gate slots and side walls. Effects of air admission were also determined.
Author: R. I. Murray Publisher: ISBN: Category : Languages : en Pages : 80
Book Description
General studies were made to determine design parameters for hydraulic downpull and uplift forces on downstream seal, roller-mounted gates located in entrance transitions of large conduits. Effects of various gate lip extensions, and recesses in the gate shaft, were investigated for one seal extension. Uplift forces great enough to prevent closure of gates under their own weight were found. Uplift forces were controlled by proper shaping of offsets and recesses in the face of the gate shaft or bonnet. A gate lip extension to leaf thickness ratio of 0.55 was selected as the optimum compromise between structural and hydraulic considerations. Pressures on the gate bottoms, and hence the downpull, were significantly affected by the gate slots and side walls. Effects of air admission were also determined.
Author: R. I. Murray
Author: R. I. Murray
Author: R. I. Murray
Author: Robert Ian Murray
Author: Robert Ian Murray
Author: 
Author: 
Author: United States. Bureau of Reclamation
Author: United States. National Bureau of Standards
Author: United States. Bureau of Reclamation
Author: