factor of safety

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factor of safety

(General Engineering) the ratio of the breaking stress of a material or structure to the calculated maximum stress when in use. Also called: safety factor

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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Noun

factor of safety - the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use

safety factor

ratio - the relative magnitudes of two quantities (usually expressed as a quotient)

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The dashed line for the factor of safety of 1.0 gives the range of shear strength parameters for the slope in the limit equilibrium state.

Surficial Failure of Expansive Soil Cutting Slope and Its Flexible Support Treatment Technology

So far, there are three types of safety factors [2, 3,19]: (1) the strength reserve factor of safety obtained through lowering the strength of rock and soil mass; (2) the overload reserve factor of safety obtained through increasing the exterior load; (3) the driving force overloading reserve factor, a design value of landslide thrust calculated through amplifying the driving force along the slope while keeping the corresponding resisting force constant.

Slope stability analysis using limit equilibrium method in nonlinear criterion

In the limit equilibrium based infinite slope stability analysis, the slope failure will occur when the factor of safety is below one (FS < 1), and the critical state is obtained when the factor of safety is equal to one (FS = 1).

Influence of rainfall patterns on the instability of slopes

The susceptibility of landslide can be calculated using Factor of safety (FS) according to Wang, et al., 2007).

Groundwater table and landslide vulnerability in various landforms in the Prambanan district: (Bokoharjo, Sumberharjo, Wukirharjo, and Sambirejo sub districts)

If the coupling was perfectly aligned, the factor of safety is over 5 and the coupling would normally have infinite life.

Failure modes of flexible metallic membrane couplings

Outputs include fatigue life, damage, factor of safety, stress biaxiality, fatigue sensitivity as shown in Figures.

Modeling & analysis of connecting rod of four stroke single cylinder engine for optimization of cost & material

Analysis results can generate contour plots of fatigue life, damage, factor of safety, and stress biaxiality, as well as rainflow matrix, damage matrix, fatigue sensitivity, and hysteresis.

Tools to create real products virtually: simulation tools to test the wear and tear and just about everything else about new products are getting pretty close to the real things

Water mounding resulting from earthquake-induced warping of covers of waste containment systems may result in time-dependent reduction of post-earthquake factor of safety against instability (FS).

Geosynthetics in mitigating seismic-induced waste containment cover instability

There's greater reliability and a more uniform factor of safety," said Firas Ibrahim of FHWA's office of bridge technology.