Factor of safety sentence example
factor of safety
- ordinary steel rope has a breaking strength of about 32 tons, which, with a' factor of safety of six gives a safe working load of 54 tons.
- Soft steel is used for rivets always, and sometimes for the whole superstructure of a bridge, but medium steel more generally for the plates, angle bars, &c., the weight of the bridge being then reduced by about 7% for a given factor of safety.
- The committee recommended that a factor of safety of 4 should be taken for wind stresses.
- divided by the factor of safety.
- It was pointed out as early as 1869 (Unwin, Wrought Iron Bridges and Roofs) that a rational method of fixing the working stress, so far as knowledge went at that time, would be to make it depend on the ratio of live to dead load, and in such a way that the factor of safety for the live load stresses was double that for the dead load stresses.Advertisement
- divided by a factor of safety.
- For stiffened suspension bridges with wire cables, if the dip is 310th of the span the limiting span is 2700 to 3600 ft., and if the dip is *th of the span, 3250 to 4250 ft., according to the factor of safety allowed.
- In the next place, it is necessary to confine the pressure, at every point of the masonry, to an intensity which will give a sufficient factor of safety against crushing.
- - Factor of Safety Diagram.
- It is clear that the material upon which any high masonry dam is founded must also have a large factor of safety against crushing under the greatest load that the dam can impose upon it, and this consideration unfits any site for the construction of a masonry dam where sound rock, or at least a material equal in strength to the strongest shale, cannot be had; even in the case of such a material as shale the foundation must be well below the ground.Advertisement
- at much more distant intervals, a proper factor of safety will be allowed.