box beam
Học thuậtThân thiện
Definition
Noun: A box beam is a structural beam constructed by fastening boards together to form a hollow, rectangular cross-section. This design provides high strength and stiffness while using less material than a solid beam of comparable strength.
Usage
The term "box beam" is used primarily in engineering, construction, and architecture to describe a specific type of load-bearing element. * The bridge's support structure utilizes long box beams made of steel. * For the deck, the architect specified wooden box beams to reduce weight.
Advanced Usage
- Composite Box Beam: A box beam made from different materials (e.g., concrete and steel) bonded together to work as a single unit.
- The innovative design features a composite box beam for the floor system.
- Prefabricated Box Beam: A box beam that is manufactured off-site and then transported for installation.
- Using prefabricated box beams significantly accelerated the construction timeline.
Variants and Related Words
- Box Girder: This is a closely related term, often used interchangeably with "box beam," especially for larger-scale structural elements in bridges and buildings. A girder is typically a primary support beam.
- Hollow Beam: A more general term for any beam with an empty interior space, which includes but is not limited to a rectangular box shape.
Synonyms
- Hollow Rectangular Beam: A descriptive synonym that explicitly states the shape and construction.
- Built-up Beam: A general term for a beam fabricated from multiple pieces of material, which includes a box beam as one type.
Notes on Meaning
The core meaning of "box beam" is defined by its construction method (built up from boards or plates) and its resulting hollow, box-like shape. This design is efficient for resisting bending and torsional (twisting) forces.
Noun
- a beam built up from boards; has a hollow rectangular cross section