Unreinforced

Definition

Unreinforced construction refers to structures built without steel reinforcing bars or welded wire fabric.

Purpose

Unreinforced structures rely solely on the inherent strength of materials like concrete or masonry. While suitable for certain applications, they are generally less robust than reinforced structures and are more vulnerable to stress, tension, and seismic activity.

Examples of Use

• Historic Buildings: Older buildings constructed before the common use of reinforcing bars, often seen in unreinforced masonry.
• Small Structures: Garden walls or small outbuildings that do not require the strength provided by reinforcement.
• Certain Architectural Features: Decorative elements where structural load is minimal and reinforcement is unnecessary.

Related Terms

• Reinforced Concrete: Concrete embedded with steel bars or mesh to improve its tensile strength.
• Masonry: The building of structures from individual units of stone, brick, or concrete, typically bound together by mortar.
• Load-Bearing Wall: A wall that supports the weight of the structure above it.

Notes

Unreinforced structures can be susceptible to cracking, shifting, or failure under load or during seismic events. Modern construction often incorporates reinforcement to enhance durability and safety.