safety factor


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safety factor

[′sāf·tē ‚fak·tər]
(electricity)
The amount of load, above the normal operating rating, that a device can handle without failure.
(mechanics)
(ordnance)
Increase in range or elevation that must be set on a gun so that friendly troops, over whose heads fire is to be delivered, will not be endangered.
Overload factor in design to ensure safe operation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

factor of safety, safety factor

1. The ratio of the ultimate stress of a structure or pressure vessel to the design working stress.
2. The ratio of the ultimate breaking strength of a member or piece of material or equipment to the actual working stress or safe load when in use.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

safety factor

The ratio of the maximum load a structure is designed to withstand to the maximum load it will be subjected to during a normal operating regime.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
Using inverse transformation, the safety factor corresponding to the target probability of failure can be determined as follows:
Safety Factor for Woa (Humidity Ratio of the Entering Outdoor Air)
With statistically defensible design classes, reasonably selected compliance percentages, and justifiable "safety factors," we can retire the inaccurate and unfair standard of 100-150 gallons per bedroom, and look at houses holistically and in context with measured expectations.
Figure 3 shows the relation between safety factor and probability of liquefaction.
Some organizations advocating for the application of this additional mandatory safety factor, such as the US-based Environmental Working Group, have suggested that age-related differences in susceptibility among humans can exceed 10-fold.
Wind plays a major part in the effectiveness of the product, and a predrilled bucket must be used in combination with the sticks as a safety factor and airflow-control method.
The loss of the DCEs of the above-mentioned structures does not reduce their safety factor, nor impact the forecast of iron ore and pellets sales of between 307 and 332 Mt, as disclosed in the release "Vale informs about updates of projections", March 28th, 2019.
This algorithm is based on the principle of determining the distribution of the safety factor on the material subjected to the thermal fatigue load.
The geometry was optimized to have an overall safety factor of 3 for strength while having acceptable stress life calculated with a Modified Goodman curve.

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