- Industry: Government
- Number of terms: 10940
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A buttress dam comprised of a series of arches for the upstream face.
Industry:Energy
A measure of the earthquake size containing information on the rigidity of the elastic medium in the source region, average dislocation, and area of faulting. It determines the amplitude of the long-period level of the spectrum of ground motion. It is calculated as:
: Mo = Shear Modulus of Faulted Rock (Dynes/cm2) x Length of Fault Rupture Zone (cm) x Width of Fault (cm) x Displacement of Fault (cm)
Industry:Energy
The maximum water elevation, including the flood surcharge, that a dam is designed to withstand.
Industry:Energy
The divide or boundary between catchment areas (or drainage areas).
Industry:Energy
A natural or artificially created pool that dissipates the energy of free falling water.
Industry:Energy
An instrument, usually consisting of a metal or plastic casing inserted in a drill hole and a sensitive monitor either lowered into the casing or fixed within the casing. This measures at different points the casing's inclination to the vertical. The system may be used to measure settlement.
Industry:Energy
Vertical distance between a specified stillwater (or other) reservoir surface elevation and the top of the dam, without camber.
Industry:Energy
A geologic area characterized by similarity of geologic structure and tectonic and seismic history.
Industry:Energy
The "bracketed duration" or the time interval between the first and last acceleration peaks that are equal to or greater than 0. 05g.
Industry:Energy
