joist

/dʤɔist/

Thân thiện

The carpenter installs a wooden joist across the open floor frame.

Definition

1. Noun:
   • A horizontal structural member used in framing to span open spaces and support floors, ceilings, or roofs: A joist is a long, sturdy piece of timber, steel, or concrete, laid horizontally in parallel series to form a supporting framework for a floor, ceiling, or roof deck.

Usage

• As a subject: The joist must be strong enough to bear the load.
• As an object: The carpenter installed a new joist.
• With prepositions: The floorboards are nailed to the joists. The weight is distributed across several joists.

Examples

• Noun:
  • The old wooden joists in the attic were inspected for damage.
  • Engineers calculated the required size and spacing for the steel joists.
  • A loud creak came from the floor joist beneath the heavy furniture.

Advanced Usage

• "To sister a joist": To reinforce an existing, weakened joist by fastening a new joist of equal size directly alongside it.
  • We had to sister the damaged joist to restore the floor's strength.

Variants and Related Words

• Joisting (gerund/noun): The act or process of installing joists.
  • The joisting for the new deck was completed quickly.
• Joist hanger (noun): A metal bracket used to connect and support the end of a joist where it meets a beam or header.
  • Secure each joist with a galvanized joist hanger.

Synonyms

• Beam: A long, sturdy piece of squared timber or metal used to support weight. (Note: A beam is often larger and may support joists.)
• Support: A thing that bears the weight of something or keeps it upright.

Different Meanings

• The word joist is highly specific to architecture and construction. It does not have other common metaphorical or abstract meanings. Its usage is almost exclusively literal, referring to the structural component.

Related Phrases

• Floor joist: A joist specifically used to support a floor.
  • The floor joists were spaced 16 inches apart.
• Ceiling joist: A joist specifically used to support a ceiling.
  • The insulation was placed between the ceiling joists.
• Rim joist / Band joist: The joist that caps the ends of the floor joists, forming the perimeter of a floor system.
  • The rim joist was treated to resist moisture.

Học thuật

Noun

1. beam used to support floors or roofs