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Numerical evaluating strength reliability of penstocks under hydraulic hammer
The paper presents a graphical method for estimating the excess pressure in penstocks under partial hydraulic hammer. Based on the proposed method, the maximum design load under hydraulic hammer in a high-pressure penstock of the Zaramagskaya HPP-1 was determined. Strength of metal shell and crescent rib of the penstock fork was evaluated under a specific load combination typical for hydraulic hammer. Variants of the fork structure reinforcement were considered. Comparison of strength reliability was performed for the variants of steel and composite steel-concrete construction of penstock fork.
Numerical evaluating strength reliability of penstocks under hydraulic hammer
The paper presents a graphical method for estimating the excess pressure in penstocks under partial hydraulic hammer. Based on the proposed method, the maximum design load under hydraulic hammer in a high-pressure penstock of the Zaramagskaya HPP-1 was determined. Strength of metal shell and crescent rib of the penstock fork was evaluated under a specific load combination typical for hydraulic hammer. Variants of the fork structure reinforcement were considered. Comparison of strength reliability was performed for the variants of steel and composite steel-concrete construction of penstock fork.
Numerical evaluating strength reliability of penstocks under hydraulic hammer
G.L. Kozinets (author) / L.P. Potekhin (author)
2012
Article (Journal)
Electronic Resource
Unknown
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