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We also provide load calculations and the design of other building metal products that are subject to project requirements. Loads and appropriate load combinations, which have been developed to be used together, are set forth for strength design and allowable stress design. For design strengths and allowable stress limits, design specifications for conventional structural materials used in buildings and modifications contained in this standard shall be followed.
DEFINITIONS:
The following definitions apply to the provisions of the entire standard.
ALLOWABLE STRESS DESIGN
A method of proportioning structural members such that elastically computed stresses produced in the members by nominal loads do not exceed specified allowable stresses (also called working stress design).
DESIGN STRENGTH.
The product of the nominal strength and a resistance factor.
LIMIT STATE.
A condition beyond which a structure or member becomes unfit for service and is judged either to be no longer useful for its intended function (serviceability limit state) or to be unsafe (strength limit state).
LOAD EFFECTS.
Forces and deformations produced in structural members by the applied loads.
STRENGTH DESIGN.
A method of proportioning structural members such that the computed forces produced in the members by the factored loads do not exceed the member design strength (also called load and resistance factor design).
LOAD FACTOR.
A factor that accounts for deviations of the actual load from the nominal load, for uncertainties in the analysis that transforms the load into a load effect, and for the probability that more than one extreme load will occur simultaneously.
RESISTANCE FACTOR.
A factor that accounts for deviations of the actual strength from the nominal strength and the manner and consequences of failure (also called strength reduction factor).