Pad, Bearing

Definition

A bearing pad is a thick slab-type stone or precast concrete block placed under a structural member of a building to spread the load or weight evenly.

Purpose

Bearing pads are used to distribute the load from structural members over a larger area, reducing the stress on the supporting structure and preventing settlement or damage.

Examples of Use

• Bridge Construction: Used under bridge bearings to distribute loads from the superstructure to the substructure.
• Building Foundations: Placed under columns, beams, and walls to spread loads and prevent excessive settlement.
• Industrial Equipment: Used to support heavy machinery and distribute the weight evenly across the foundation.

Related Terms

• Footing: The base of a foundation that distributes the load to the soil.
• Piers: Vertical structural elements that transfer loads from the superstructure to the foundation.
• Load Distribution: The spreading of loads to prevent stress concentration and structural failure.

Notes

• Material Selection: The choice of material for bearing pads depends on the load requirements and environmental conditions.
• Maintenance: Regular inspection and maintenance are necessary to ensure the bearing pads remain effective and undamaged.