Uplift Spherical Bearings

Engineered to withstand extreme uplift forces from wind and seismic activity, CECO's Uplift Spherical Bearings ensure uncompromising structural safety and long-term reliability for critical infrastructure projects worldwide

Standard Uplift Arrangement

Spherical Uplift Bearings employ external restraint systems to resist upward forces caused by wind or seismic activity. These external clamps remain passive under compression and activate only during uplift, providing a simple and cost effective safeguard.

Centre-Pin Uplift Arrangement

For demanding applications, Centre-Pin Spherical Bearings integrate uplift resistance into the bearing’s central axis. This internal transfer path minimizes eccentricity, ensures balanced load distribution, and improves durability under frequent load reversals and seismic conditions

Durability

Engineered for Extreme Conditions

CECO's Spherical Uplift Bearings are designed to withstand both compressive and uplift forces, ensuring reliable long term performance under seismic actions, wind loads, and frequent load reversals

Superior Lifespan

Engineered for 50+ years of reliable service with minimal maintenance requirements

Corrosion Resistant

Advanced anti-rust coating safeguards against critical environmental conditions effectively

Seismic Safety

Robust and predictable seismic isolation performance under uplift actions

Features of Our Uplift Spherical Bearings

Suggested use for long-span and curved bridges in seismic zones

Installation

Requires a trained team and precision alignment

Durability

More than 50 years

Maintenance

Corrosion protection renewal after 15 years

Cost

High

Load Direction

Vertical downward + Uplift + Horizontal

Displacement

Horizontal sliding with uplift protection

Flexibility

Re-Centering with controlled rotation

Safety

Seismic performance and stability
Stability

Unshakeable Under Pressure

CECO's Uplift Spherical Bearings are advanced stability systems that ensure controlled movement and secure load transfer during the most challenging seismic events and extreme weather conditions

Controlled Movement

Precisely manages multi-directional translations and rotations during structural displacement events

Efficient Load Transfer

Transfers vertical and uplift loads under controlled state of stress

Restraint Mechanism

Prevents dangerous unseating during rare and frequent uplift conditions from seismic activity

Specifications of Our Uplift Spherical Bearings

Suggested use for long-span and curved bridges in seismic zones

Characteristics

Vertical Load Capacity

1000kN - 75000kN

Uplift Resistance

Customizable as per design loads

Rotation

Multi-directional, up to 0.05 rad

Lifespan

50+ years with periodic inspection
Performance

Maximizing Safety Through Engineering Excellence

CECO's Uplift Spherical Bearings deliver unparalleled performance across multiple dimensions, ensuring your infrastructure operates safely and efficiently under all loading conditions while minimizing long-term operational costs

Multi-Directional Capability

Seamlessly accommodates sliding and rotational movements for thermal expansion, contraction, and complex seismic displacements while maintaining structural integrity

Seismic & Wind Safety

Ensures secure bearing seating under seismic events and high wind loads, protecting against catastrophic structural failure

Bidirectional Transfer

Expertly designed to handle both downward compressive loads from structural load and upward uplift forces from wind and seismic activity

Minimal Maintenance

Low-friction design engineered with advanced materials requires only periodic inspections and scheduled corrosion protection coating renewal for optimal performance

Experience Unmatched Protection with Our Uplift Spherical Bearings

Our Uplift Spherical Bearings have proven performance metrics that demonstrate our commitment to infrastructure safety and reliability, backed by decades of engineering excellence and real-world application data

50+

Years of guaranteed service life with proper maintenance protocols

99%

Reliability rate in extreme weather and seismic conditions worldwide

Stability

Ideal Applications for Uplift Spherical Bearings

CECO's Uplift Spherical Bearings are specifically engineered for critical infrastructure projects where uplift resistance is paramount for structural safety and operational continuity

Curved Bridge Structures

Complex geometries demanding multi-directional movement capabilities with uplift protection

Seismic Prone Infrastructure

Critical structures in earthquake-prone regions requiring maximum seismic safety assurance

Long-Span Bridge Systems

Special, cable-stayed, and suspension bridges requiring advanced uplift resistance for wind loads

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