Elastomeric bearings, also known as seismic bearings, are vital components in earthquake-resistant structures. Comprising multiple layers of rubber and steel, these bearings act as shock absorbers, isolating buildings from seismic forces.
Benefit: | How to: |
---|---|
Enhance seismic safety | Design buildings with elastomeric bearings to absorb energy and reduce damage. |
Protect infrastructure | Equip critical facilities, such as hospitals and bridges, with elastomeric bearings to ensure their functionality during earthquakes. |
Studies by the American Society of Civil Engineers (ASCE) have shown that elastomeric bearings can:
Feature: | Value: |
---|---|
Reduced lateral forces | Up to 50% |
Decreased building acceleration | Up to 30% |
Improved building performance | Up to 20% |
Elastomeric bearings are not without challenges:
Limitation: | Mitigation: |
---|---|
Aging and degradation | Implement regular inspection and maintenance programs. |
Temperature sensitivity | Use heat-resistant materials or adjust bearing dimensions for temperature variations. |
Elastomeric bearings offer numerous advantages:
Pros: | Cons: |
---|---|
Effective seismic mitigation | High initial cost |
Durable and low-maintenance | Limited load capacity in some cases |
Design flexibility | Require specialized knowledge for installation |
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