Publication

UN CRITERIO DI DIMENSIONAMENTO DELLE PROTEZIONI DI FONDO IN BACINI DI DISSIPAZIONE

1985
Journal Articles

Abstract

Analytical solutions for space and time evolution of uplift pressures acting on the impervious lining of stilling basins are obtained. Uplift variations are forced by random fluctuating pressures generated by a hydraulic jump. The model, aimed at portraying real life behavior of stilling basins at the toe of high spillways, accounts for arbitrary forcing pressures and is referred to experimental evidence. A safe design criterion is given for stability of the lining with reference to the worst foreseeable conditions within the basin.

Official source

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1985
Journal Articles

Abstract

Official source

Related concepts (27)

Pressure

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure (also spelled gage pressure) is the pressure relative to the ambient pressure. Various units are used to express pressure. Some of these derive from a unit of force divided by a unit of area; the SI unit of pressure, the pascal (Pa), for example, is one newton per square metre (N/m2); similarly, the pound-force per square inch (psi, symbol lbf/in2) is the traditional unit of pressure in the imperial and US customary systems.

Wind wave

In fluid dynamics, a wind wave, or wind-generated water wave, is a surface wave that occurs on the free surface of bodies of water as a result of the wind blowing over the water's surface. The contact distance in the direction of the wind is known as the fetch. Waves in the oceans can travel thousands of kilometers before reaching land. Wind waves on Earth range in size from small ripples to waves over high, being limited by wind speed, duration, fetch, and water depth.

Gravity wave

In fluid dynamics, gravity waves are waves generated in a fluid medium or at the interface between two media when the force of gravity or buoyancy tries to restore equilibrium. An example of such an interface is that between the atmosphere and the ocean, which gives rise to wind waves. A gravity wave results when fluid is displaced from a position of equilibrium. The restoration of the fluid to equilibrium will produce a movement of the fluid back and forth, called a wave orbit.

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UN CRITERIO DI DIMENSIONAMENTO DELLE PROTEZIONI DI FONDO IN BACINI DI DISSIPAZIONE

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