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  2. Factor of safety - Wikipedia

    en.wikipedia.org/wiki/Factor_of_safety

    In engineering, a factor of safety (FoS) or safety factor (SF) expresses how much stronger a system is than it needs to be for an intended load.Safety factors are often calculated using detailed analysis because comprehensive testing is impractical on many projects, such as bridges and buildings, but the structure's ability to carry a load must be determined to a reasonable accuracy.

  3. Federal Bridge Gross Weight Formula - Wikipedia

    en.wikipedia.org/wiki/Federal_Bridge_Gross...

    The formula was enacted as law to limit the weight-to-length ratio of a commercial motor vehicle (CMV). [4] The formula is necessary to prevent the concentrated truck's axles from overstressing pavements and bridge members (possibly causing a bridge collapse). [5] In simplified form, this is analogous to a person walking on thin ice.

  4. File:US Army Air Assault School-Sling Load Training.ogv

    en.wikipedia.org/wiki/File:US_Army_Air_Assault...

    Original file (Ogg multiplexed audio/video file, Theora/Vorbis, length 1 min 2 s, 1,280 × 720 pixels, 4.51 Mbps overall, file size: 33.54 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  5. Truck classification - Wikipedia

    en.wikipedia.org/wiki/Truck_classification

    In the United States, commercial truck classification is determined based on the vehicle's gross vehicle weight rating (GVWR). The classes are numbered 1 through 8. [ 2 ] [ 3 ] Trucks are also classified more broadly by the Federal Highway Administration (FHWA), which groups classes 1 and 2 as light duty , 3 through 6 as medium duty , and 7 and ...

  6. Precast concrete lifting anchor system - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete_lifting...

    Anchor capacity, or load resistance, should be considered for tensile loads (axial), sling angle (angular) and shear loads (transverse). Consideration of different load combinations may result in wide variations required from the lifting insert. The load directions during production, transport and placement should be considered carefully.

  7. Weight distribution - Wikipedia

    en.wikipedia.org/wiki/Weight_distribution

    Weight distribution is the apportioning of weight within a vehicle, especially cars, airplanes, and trains.Typically, it is written in the form x/y, where x is the percentage of weight in the front, and y is the percentage in the back.

  8. Rigging (material handling) - Wikipedia

    en.wikipedia.org/wiki/Rigging_(material_handling)

    Sheer legs; Sling (rigging) – Rope, webbing, wire or chain used to support a load for lifting; Rope splicing – Semi-permanent joint between two ropes; Tackle – System of two or more pulleys and a rope or cable; Tirfor – Device for pulling cable; Tugger (rigging) Turnbuckle – Device for adjusting the tension or length of ropes or cables

  9. Lifting equipment - Wikipedia

    en.wikipedia.org/wiki/Lifting_equipment

    Lifting equipment can be assigned a Working Load Limit (WLL) in the interests of avoiding failure; Working Load Limit is calculated by dividing the Minimum Breaking Load of the equipment by a safety factor. [5] WLL as a concept is not restricted to lifting, being also relevant for mooring ropes. [6]

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