What is the difference between factored and Unfactored load?

A factored load is a load multiplied by a certain factor designated by codes of practice to drermine the strength of a structural members such as reinforced concrete. Whereas the unfactored loads are used to meet the elastic or linear limit state (below the yield limit) of structural members.
A.

What is allowable stress design?

Permissible stress design (in USA construction more commonly called allowable stress design) is a design philosophy used by civil engineers. The designer ensures that the stresses developed in a structure due to service loads do not exceed the elastic limit.
  • What is a breaking load?

    Definition of breaking load. : stress or tension steadily applied and just sufficient to break or rupture.
  • What is maximum breaking load?

    Safe Working Load (SWL) sometimes stated as the Normal Working Load (NWL) is the maximum safe force that a piece of lifting equipment, lifting device or accessory can exert to lift, suspend, or lower, a given mass without fear of breaking. Usually marked on the equipment by the manufacturer.
  • What is the minimum breaking strength?

    Minimum Breaking Strength (MBS) The minimum amount of force required to break this object. Often referred to as tensile strength or breaking strength. Not to be confused with "Working Load Limit" or "Yield Strength".
B.

What is allowable strength?

The allowable stress or allowable strength is the maximum stress (tensile, compressive or bending) that is allowed to be applied on a structural material. The allowable stresses are generally defined by building codes, and for steel, and aluminum is a fraction of their yield stress (strength):
  • What is the meaning of design strength?

    design strength. 1. The load-bearing capacity of a member computed on the basis of the allowable stresses which are assumed in design. 2. The assumed values for the strength of concrete, and the yield stress of steel on which the theoretical ultimate strength of a section is computed.
  • What is RC structure?

    *Reinforced concrete (RC) is a composite material in which concrete's relatively low tensile strength and ductility are counteracted by the inclusion of reinforcement having higher tensile strength and/or ductility.
  • How do we reinforce concrete?

    Reinforced concrete. Reinforced concrete, Concrete in which steel is embedded in such a manner that the two materials act together in resisting forces. The reinforcing steel—rods, bars, or mesh—absorbs the tensile, shear, and sometimes the compressive stresses in a concrete structure.

Updated: 28th November 2019

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