safety factor, factor of safety(noun)
the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use
Factor of safety
Factor of safety, also known as safety factor, is a term describing the structural capacity of a system beyond the expected loads or actual loads. Essentially, how much stronger the system is than it usually needs to be for an intended load. Safety factors are often calculated using detailed analysis because comprehensive testing is impractical on many projects, such as bridges and buildings, but the structure's ability to carry load must be determined to a reasonable accuracy. Many systems are purposefully built much stronger than needed for normal usage to allow for emergency situations, unexpected loads, misuse, or degradation.
The numerical value of factor of safety in Chaldean Numerology is: 8
The numerical value of factor of safety in Pythagorean Numerology is: 7
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"factor of safety." Definitions.net. STANDS4 LLC, 2017. Web. 28 May 2017. <http://www.definitions.net/definition/factor of safety>.