braced frame: meaning, definition, pronunciation and examples

Low
UK/breɪst freɪm/US/breɪst freɪm/

Technical (Engineering, Architecture, Construction)

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Quick answer

What does “braced frame” mean?

A structural system where a framework is made rigid and able to resist lateral forces (like wind or earthquakes) by the addition of diagonal members.

Audio

Pronunciation

Definition

Meaning and Definition

A structural system where a framework is made rigid and able to resist lateral forces (like wind or earthquakes) by the addition of diagonal members.

A metaphor for any system, plan, or structure that has been reinforced or stiffened against external pressures or challenges.

Dialectal Variation

British vs American Usage

Differences

No significant difference in technical meaning. In general construction parlance, UK speakers might occasionally use 'cross-braced frame' or 'diagonally braced frame' with equal frequency.

Connotations

Identical technical connotations in both dialects.

Frequency

Equally low-frequency and specialized in both regions, confined to engineering and construction contexts.

Grammar

How to Use “braced frame” in a Sentence

The [building/tower] uses a [steel/concrete] braced frame.A braced frame [provides/resists/ensures] [lateral stability/wind load resistance].The engineers [designed/analysed/retrofitted] a braced frame.

Vocabulary

Collocations

strong
steel braced frameconcentrically braced frameeccentrically braced framedesign a braced framelateral stability
medium
building with a braced frameanalyse the braced framebraced frame structurewind resistance
weak
strong braced framesimple braced framebraced frame systemseismic performance

Examples

Examples of “braced frame” in a Sentence

verb

British English

  • The steel skeleton will be braced before the cladding is added.
  • They braced the old warehouse frame to meet new safety codes.

American English

  • The crew braced the timber frame with steel cables.
  • We need to brace the structure against hurricane-force winds.

adverb

British English

  • The beams were fixed bracedly to the columns. (Extremely rare/constructed)
  • N/A

American English

  • N/A
  • N/A

adjective

British English

  • The braced-section of the building performed well in the storm.
  • They opted for a braced-frame solution.

American English

  • The braced design was more cost-effective than a moment frame.
  • Braced-frame construction is common for mid-rise buildings.

Usage

Meaning in Context

Business

Rare. Might appear in construction project reports or investment proposals for infrastructure.

Academic

Common in civil/structural engineering textbooks, research papers, and lectures on seismic design and lateral load systems.

Everyday

Virtually never used. A layperson would say 'the steel framework with the cross-beams'.

Technical

The primary register. Precisely used in architectural plans, engineering calculations, construction manuals, and building codes.

Vocabulary

Synonyms of “braced frame”

Strong

moment-resisting frame (a different, unbraced system)shear wall system (a different structural system)

Neutral

cross-braced framediagonally braced frametrussed frame

Weak

stiffened framereinforced framerigid frame (technically different but sometimes conflated)

Vocabulary

Antonyms of “braced frame”

unbraced framemoment frameflexible framegravity frame

Watch out

Common Mistakes When Using “braced frame”

  • Using 'braced frame' to describe any reinforced structure, rather than specifically a frame with diagonal bracing.
  • Confusing it with 'moment frame', which resists forces through rigid joints without diagonal braces.
  • Mispronouncing 'braced' as /bræst/ instead of /breɪst/.

FAQ

Frequently Asked Questions

They are related concepts. A truss is a specific type of braced frame, often used for roofs and bridges, where members are typically arranged in triangles to carry loads primarily at the joints. A 'braced frame' in building construction is a broader term for a structural frame stiffened by diagonal members.

Yes, while steel is most common due to its tensile strength, braced frames can also be constructed from timber, concrete, or composite materials. The bracing principle remains the same.

The diagonal braces can obstruct space planning and the placement of doors, windows, or open floor plans. Eccentrically braced frames were developed partly to mitigate this by allowing for more openings.

Almost certainly not, unless you are discussing building construction or structural engineering. It is a highly technical term.

A structural system where a framework is made rigid and able to resist lateral forces (like wind or earthquakes) by the addition of diagonal members.

Braced frame is usually technical (engineering, architecture, construction) in register.

Braced frame: in British English it is pronounced /breɪst freɪm/, and in American English it is pronounced /breɪst freɪm/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • [Metaphorical] To brace oneself for impact (shares the 'preparation for force' concept).

Learning

Memory Aids

Mnemonic

Imagine a picture frame made of sticks. If you push it from the side, it collapses like a parallelogram. Now add two sticks in an 'X' (the braces) – it becomes rigid. That's a BRACED FRAME.

Conceptual Metaphor

STRUCTURAL SUPPORT IS PHYSICAL REINFORCEMENT. (e.g., 'The new policy braced the economy against recession.')

Practice

Quiz

Fill in the gap
To prevent the warehouse from swaying in high winds, the architects specified a frame in the design.
Multiple Choice

What is the primary function of the bracing in a 'braced frame'?