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Modular expansion joints, also called GQF-MZL modular bridge joints, are composed by boundary beams, middle beams, cross girders, displacement control systems, bridge bearings, anchoring components and rubber sealing belts. modular expansion joints are suitable for longitudinal movements of 80 mm to 1200 mm.
Having good bearing capacity and stability, modular expansion joints can accommodate movements in every direction and rotations about every axis. Their individual displacement control and load transfer systems enable bridges to adapt the movement of the beam caused by temperature and ensure the traffic safety.
Structure
Modular expansion joints are composed by boundary beams, middle beams, cross girders, displacement control systems, bridge bearings, anchoring components and rubber sealing belts.
Specification
| Type | Displacement (mm) |
Width (mm) |
Interval (mm) |
Height of Support Beam (mm) |
|---|---|---|---|---|
| MZL-80 | 80 | 80-160 | 50-130 | 700 |
| MZL-160 | 160 | 160-320 | 80-240 | 700 |
| MZL-240 | 240 | 240-480 | 160-400 | 800 |
| MZL-320 | 320 | 320-640 | 220-540 | 800 |
| MZL-400 | 400 | 400-800 | 310-710 | 800 |
| MZL-480 | 480 | 480-960 | 400-880 | 800 |
| MZL-560 | 560 | 560-1120 | 490-1050 | 800 |
| MZL-640 | 640 | 640-1280 | 550-1190 | 800 |
| MZL-720 | 720 | 720-1440 | 590-1310 | 800 |
| MZL-800 | 800 | 800-1600 | 620-1420 | 900 |
| MZL-880 | 880 | 880-1760 | 700-1580 | 900 |
| MZL-960 | 960 | 960-1920 | 780-1740 | 900 |
| MZL-1040 | 1040 | 1040-2080 | 810-1850 | 900 |
| MZL-1120 | 1120 | 1120-2240 | 890-2010 | 900 |
| MZL-1200 | 1200 | 1200-2400 | 970-2170 | 900 |
Modular expansion joints for longitudinal movements of 80 mm to 1,200 mm can be widely applied on the bridges which are slope, wide, curved and skew. They are used in highway bridge decks, bridgehead and other places to prevent bridges from appearing cracks cause by climate change. It also can be used in expressway.
Hengshui JingTong Rubber Co., Ltd. is a manufacturing company founded in 1996 in Hengshui City, Hebei Province, China. We mainly manufacture high-class bridge expansion joints in various dimensions and for different movements. Our bridge joints are exported to all over the world, and we have won wide support and trust from consumers.
After 20 years of strenuous efforts, we have accumulated rich experience in production and international trade. At the same time, our company has gained high reputation in the metal and rubber field all over the world.
1. Advanced and Sufficient equipment More than 100 sets of most advanced equipment in our workshop ensure timely delivery time for large orders. Additional, it can ensure standardized production, which accord with international standard.
2. Experienced and skilled worker team Equipped with professional production skills and several years experience, our worker team can improve production efficiency and reduce production losses for cost reduction.
3. Multiple models for completed products We have almost all of standard bearing pad models to produce standard bearing pads, including pot bearing, laminated bearing pad, spherical bridge bearing, high damping rubber bearing and lead rubber bearings.
4. Perfect Package & Timely delivery All the products are inspected before loading, then they will be perfectly packed. Then our skilled loading team will operate the equipment for easy and fast loading.
5. Professional sales team Full knowledge of bearing pad products, good spoken and written English and excellent communication skills can offer you the best solutions to your questions. You can ask for recommendation, customized service and any other information you want from them.
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