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QZCF-II Large-Displacement Self-Adaptive Unitized Expansion Joint

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QZCF-II Large-Displacement Self-Adaptive Unitized Expansion Joint

Scope of Application

Longitudinal displacement: 880–3520mm

Project types: Extra-large cable-stayed/suspension bridges

Flexible structural

Features

  • Multi-dimensional displacement

    The integrated hinge enables vertical/horizontal rotation (±0.06rad min.) and lateral displacement (±300mm min.), enhancing durability through coordinated movement adaptation.

  • Upwarp/Stuck control

    Featuring anti-warping limit sliders, the device prevents plate end upwarp and eliminates wheel stuck by allowing gap width adjustment for specific traffic.

  • Integrated drainage

    Centralized drainage via waterproof sealing structure

  • Effective maintenance

    Sectional maintenance and rapid installation with unitized design

  • Customizable solutions

    Custom-configured systems with synchronized rotation, real-time monitoring, and predictive alerts

Compliance Standards

Patents:

  • CN201821896294: A Bridge Expansion Joint for Horizontal and transverse rotation

  • CN202120159653: A Bridge Expansion Joint for Horizontal rotation

  • CN201620035749: A Bridge Expansion Joint for Transverse displacement

  • CN202120763159: A Bridge Expansion Joint for Anti-Warping Displacement

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