A cantilever is a beam supported at one end only, used in architecture and bridge construction. Cantilevers are subjected to stress and must be designed to handle loads. Cantilevered airplane wings reduce weight and increase efficiency. Cantilevers are used in science and engineering for various purposes, such as furniture and microelectric structures.
A cantilever is a beam that is supported at one end only and carries a load at the other end. Cantilevers are often used in architecture, as they allow for cantilevered structures that do not need to be supported from the outside. In many cases, partially built buildings create cantilevers that allow builders to work without the need for false work. Airplane wings are also cantilevered, as they are usually only supported by the body of the aircraft.
Since only one end of the beam is supported, a cantilever is typically subjected to a great deal of stress. The top half of a cantilever experiences tensile stresses, which stretch the fibers of the beam. The bottom half is under compressive stress, which compresses the fibers. If it cannot handle all the stresses, a cantilever could sag downward or even break. Therefore, engineers and architects work to design beams and balance loads in such a way that they do not suffer from such structural problems.
Sometimes, cantilevers are used in bridge construction. Such a type of bridge is known as a cantilever bridge. A simple cantilever bridge consists of two cantilevers that meet in the center of the area to be crossed. Cantilevers are typically constructed of structural steel or concrete and can support significant loads, such as sustained vehicular traffic. These bridges are often easier to design than other bridges, as they support their own weight and require little or no falsehoods to keep them intact during construction.
The wings of most modern aircraft are cantilevered, as they are integrated into the body of the aircraft but are not supported at the tip. Earlier aircraft were usually designed with two or more wings on each side that supported each other, like a truss on a bridge. This biplane configuration, however, caused unfavorable airflow and reduced the aircraft’s effectiveness. The use of a single cantilever wing on each side of the aircraft tends to reduce the total weight of the aircraft and increase the maximum potential speed and efficiency.
Cantilevers have been used for many purposes in science and engineering. They have been used for containers, furniture, microelectric structures, balconies and many other things. A cantilever chair, for example, has no back legs. its front legs are supported by a flat surface of some sort on the bottom and the seat of the chair is unsupported in the back. Such chairs typically work because of the higher quality materials they are designed with.
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