Bearing resistance is the maximum weight a structure can hold before collapsing. It is used in engineering for building, aircraft, and transportation design. Calculations are necessary to avoid unnecessary stresses on load-bearing portions of the structure.
Bearing resistance is a term used to describe the maximum amount of weight or pressure or some other variable that a structure can hold before collapsing. Lifting force is roughly defined as the maximum load-bearing load that can be placed on a structure before it fails, divided by the area that can support the weight. This calculation is routinely used in the engineering field for a variety of applications, typically in the construction of buildings, walls, and foundations, as well as in the construction and operation of aircraft or other transportation vehicles.
For example, suppose a 10-foot (3m) by 10-foot (3m) wall has an effective bearing load of 10,000 pounds (4,536 kg). Divide the load bearing by the area. In this case, you get 1,000 pounds per square foot (504 kg per square meter) of load-bearing strength for the wall.
There are a number of instances where strength needs to be considered. Most of these cases involve the construction of buildings and other structures, because one needs to be able to calculate the amount of weight a wall, beam or transom will have to support once the building is finished. This weight calculation not only involves the weight of the materials themselves, but also extra materials used in the finish of the building, such as carpeting and furniture. Obtaining the correct calculation is essential to avoid unnecessary stresses on the load-bearing portions of the structure which could yield during normal use.
Bearing resistance is also a term used in regards to aircraft design and construction. A variety of pressures and forces are exerted on the airframe during the processes of takeoff, flight, altitude gain, landing, and other operational maneuvers. The bearing strength of various surfaces, such as the wings, the rivets that hold airframe parts together, and the landing gear, must be carefully considered when designing an aircraft. This attention avoids problems later when the aircraft is actually operational. Bearing strength calculations are typically performed by construction or engineering companies designing a building or aircraft, although they are occasionally used prior to a project when the item under design is still in the theoretical stage.
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