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Limit load is the maximum load that a structure can safely carry. It's the load at which the structure is in a state of incipient plastic collapse. As the load on the structure increases, the displacements increases linearly in the elastic range until the load attains the yield value.
The design load is the maximum load the part should ever see in service. By this definition, a structure with an FoS of exactly 1 will support only the design load and no more. Any additional load will cause the structure to fail. A structure with an FoS of 2 will fail at twice the design load.
For example, in designing a staircase, a dead load factor may be 1.2 times the weight of the structure, and a live load factor may be 1.6 times the maximum expected live load. These two "factored loads" are combined (added) to determine the "required strength" of the staircase.
Maximum distortion energy theory, also known as maximum distortion energy theory of failure or von Mises–Hencky theory. This theory postulates that failure will occur when the distortion energy per unit volume due to the applied stresses in a part equals the distortion energy per unit volume at the yield point in uniaxial testing.
For example, in the case of design for fire a load case of 1.0 x Dead Load + 0.8 x Live Load may be used, as it is reasonable to assume everyone has left the building if there is a fire. In multi-story buildings it is normal to reduce the total live load depending on the number of stories being supported, as the probability of maximum load ...
For ductile materials, the yield strength is typically distinct from the ultimate tensile strength, which is the load-bearing capacity for a given material. The ratio of yield strength to ultimate tensile strength is an important parameter for applications such steel for pipelines , and has been found to be proportional to the strain hardening ...
General Hospital just bid goodbye to a major character.. During the Friday, Dec. 13 episode, fan-favorite Dex Heller, played by Evan Hofer, met his demise. Dex had been expected to make a full ...
Limit load can refer to: Limit load (aeronautics) , the maximum load factor during flight Limit load (physics) , maximum load that a structure can safely carry