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Persona de contacto Mr. zhu
Jinmen Road, Changshu, Jiangsu
Modular Expansion Joint,Bridge Expansion Joint
Modular Expansion Joint Systems have gained overwhelming worldwide
acceptance for accommodating and sealing large joint movements on
bridge structures. By incorporating the results of recent research
activities, each joint system is designed to provide watertight,
fatigue resistant, long-term, maintenance-free performance.
Design Principles
Fatigue Resistant
Modular expansion joint assemblies are subjected to millions of
high dynamic stress cycles due to passing vehicle loads.
Recognizing the significance of these dynamic loads on the
long-term performance of expansion joint systems,Haider became the
first China company to introduce fatigue-resistant design
principles to modular expansion joint assemblies. It is strongly
recommended that a specification which includes fatigue design
provisions be included in the contract documents.
Watertight Integrity
Each Modular Expansion Joint System not only bridges the joint gap
but also protects the structure from premature corrosion. Design of
the strip seal sealing element is based on compression of the
neoprene seal lug into the gland recess of the centerbeam and edge
beam. This mechanically-locked neoprene seal not only provides
excellent watertight characteristics but also achieves high pullout
resistance.
