One-Way Action

Definition

One-way action refers to the structural action of a slab that spans between two parallel beams or bearing walls.

Purpose

One-way action is used in structural engineering to describe how loads are transferred in a slab that spans in one direction only. It is a common design principle for slabs and beams, ensuring efficient load distribution and structural integrity.

Examples of Use

• Floor Slabs: Used in building construction where slabs span between parallel beams or walls.
• Bridge Decks: Design of bridge decks where the slab spans between supporting girders.
• Roof Systems: Roof slabs that span between parallel supports, distributing loads along one axis.

Related Terms

• Two-Way Action: Structural action of a slab that spans in two directions, distributing loads to all four edges.
• Beam: A structural element that supports loads and spans horizontally between supports.
• Bearing Wall: A wall that supports vertical loads from floors or roofs above.

Notes

• Design Considerations: Proper design and reinforcement are crucial to ensure that slabs with one-way action can handle expected loads without excessive deflection or failure.
• Load Distribution: One-way action slabs distribute loads to two parallel supports, making them suitable for certain structural applications.