safety factor


Also found in: Thesaurus, Acronyms, Encyclopedia, Wikipedia.

safety factor

n
(General Engineering) another name for factor of safety
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.safety factor - the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use
ratio - the relative magnitudes of two quantities (usually expressed as a quotient)
References in periodicals archive ?
In order to allow for these uncertainties, fire safety engineers normally introduce a safety factor, [lambda], which is usually defined as the ratio of ASET to RSET:
We determined also the safety factor. Safety factor specify if the part, which is subject to various static and dynamic tests by applying forces and couples, can be validate in mechanical strength terms.
Some engineers use an overly-conservative estimate for Pz as a safety factor. In addition, some engineers or code officials use occupant load (or exit population), which is intended for use in designing a means of egress to comply with the local fire code.
In addition to its superior heat resistance, HyTemp AR212HR has a scorch safety factor more than four times that of standard ACMs for improved extrusion and molding characteristics, according to the company.
Environmental Protection Agency standards for pesticides require a tenfold buffer to safeguard children if there are gaps in information, and can opt for a lower safety factor. "More research is urgently needed to establish whether standards need to be re-evaluated," says Nina Holland, co-author of the paper.
What are the sources of error in testing, and what safety factor is required to accommodate for these errors in setting final length requirements?
For example, it has 570 pounds of radius strength in widths from 12" to 60" (with a two-to-one safety factor), versus just 375 pounds for the closest competitor.
Unanimously passed by both houses of Congress in 1996, with the support of pesticide manufacturers, pediatricians, and the environmental community, the Food Quality Protection Act (FQPA 1996) added a 10-fold child protective safety factor in choosing a reference dose to two earlier factors, one employed to accommodate the difference between animals and humans and one to accommodate the variance among adults.
In straight AC configurations, belt strength rises to 1,500 lbs/foot (with a two-to-one safety factor) and in wider versions, the belt gets even stronger.
A 150 percent safety factor is often applied because of this statement.
"We want to make sure aluminum isn't left out of the debate by having regulators concentrate on weight as the overriding safety factor like they have done in the past," says Tom Gannon, v.p., Sales and Marketing, Novelis.
To calculate [[beta].sub.LN], the moments of the function of the safety factor must be calculated from the moments of the parameters.

Full browser ?