Box Beam

Definition

A beam of metal, concrete, or plywood which, in cross-section, resembles a closed rectangular box.

Purpose

Box beams are used in construction to provide strong, lightweight support for various structural elements. Their hollow, rectangular design offers high strength-to-weight ratios, making them ideal for applications where load-bearing capacity and material efficiency are important.

Examples of Use

• Using box beams in bridge construction to support roadways and pedestrian paths.
• Incorporating box beams in building frameworks to provide structural support for floors and roofs.
• Applying box beams in industrial structures to create large, open interior spaces without excessive weight.

Related Terms

• Girder: A large beam that supports other beams or loads in a structure.
• Load-Bearing: Capable of supporting the weight of elements above without collapsing.
• Structural Member: A component of a structure that contributes to its stability and strength.

Notes

Box beams can be made from various materials, including steel, concrete, and plywood, each offering specific advantages depending on the application. Proper design and installation are critical to ensure their effectiveness and safety.