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CALCULATION AND ANALYSIS METHOD OF LIMIT LOAD, DEFORMATION AND ENERGY DISSIPATING OF RING NET PANEL IN FLEXIBLE PROTECTION SYSTEM
CALCULATION AND ANALYSIS METHOD OF LIMIT LOAD, DEFORMATION AND ENERGY DISSIPATING OF RING NET PANEL IN FLEXIBLE PROTECTION SYSTEM
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机译:柔性保护系统中环网面板的限制负荷,变形和能量消散的计算与分析方法
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摘要
A calculation method of limit load, deformation and energy dissipating of a ring net panel of a flexible protection net, includes step (1): determining geometrical parameters of the ring net, connection type of steel rings, and diameter of steel wires; step (2): determining a loading rate, a loaded region and a boundary condition of the ring net panel; step (3): obtaining basic mechanical parameters of materials through tests, and establishing a critical damage criterion of the ring net panel; step (4): establishing an equivalent calculation model of a ring net panel based on a fiber-spring unit; and step (5): calculating a puncturing displacement, a puncturing load and energy dissipating of the ring net panel. The method adopts a calculation assumption of load path equivalence.
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