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.

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.

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.
References in periodicals archive ?
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.
The goal was to arrive at an equation, a formula, that determines how many bolts, and how much shotcrete and mesh, are needed for a specified area to have a minimal safety factor of 1.
In determining the number of geotextile reinforcements required for the embankment, the common reference used is the safety factor value.
To verify the validity of the nonproportional correlative reduction finite element method for slope strength parameters, the nonproportional relationship between the double safety factors can be introduced into Bishop's slice method, yielding the nonproportional double safety factors based on the limit equilibrium method.
Different safety factors of the UPM pedestrian environment were analyzed to show the perceived importance frequency.
Instead, safety factors should be applied to descriptive parameters for which some uncertainty exists.
Even though the necessity of relating safety factors and probability of failure in fire safety engineering has long been recognized, progress in this research area has been very slow.
This section discusses how safety factors impact the calculation of the design airflow for the dedicated outdoor-air unit.
sf] are safety factors, respectively applied to tension strength of the reinforcement and to the lateral friction; [F.
The admissible safety factor indicated in literature for pieces subjected at fatigue (Niemann, 1986) is [c.
Based on the local optimization policy, we use the first order condition for expression (5), (14) to get safety factors at warehouse and retailer under local optimization, denoted by [k.
decision to buy an Excel baler, but among those were safety factors available on the HV10 model.