Hengshui JingTong Rubber

Hengshui, China

Rubber bridge expansion joints are mainly made of rubber, steel plate and angle iron. Steel plates are set in the rubber bridge expansion to strengthen the bearing capacity and they can slide freely along the angle iron to meet the expansion deformation of main grid. Because of the excellent sealability and shock-absorbing effect of rubber, rubber bridge expansion joints do well in proofing water and reducing noise. The elasticity of rubber plates and its shear deformation in the telescopic channel helps the whole device to realize telescopic motion. Features Rubber bridge expansion joints made of prime-quality rubber are anti-aging and have a long service life. Being wear-resistant, this product can withstand reiteration function of vehicle load. During installation, bolt holes on the bottom and each junction are filled with adhesion agent which makes the whole rubber bridge expansion joints be highly water-resistant. Application Rubber bridge expansion joints for movements of up to 60 mm apply to normal bridges. Compared with expressway, rubber bridge expansion joints are more suitable for being installed on the flyovers. They are also good choices for building new bridges.

• MOQ 1 Piece(s)

Single gap joints for movements of up to 80 mm are expansion joints made of a single set of structural steel, rubber sealing strips and dowel rods. They have mainly 5 types, including GQF-C, GQF-F, GQF-E, GQF-Z and GQF-RG. Being fully anchored within the depth of the road surfacing, single gap joints can prevent roads from cracking caused by climatic change. In order to meet the requirements of the bridge deformation, single gap joints are usually set at each end of the bridge, between ends of the beam and abutment or on the hinge joints of the bridge. They are applied with rubber noise weaken board which can help to increase movement and reduce noise from over-passing traffic by up to 80%. Features Single gap joints are retractable and solid on both directions parallel and perpendicular to the bridge axis to ensure vehicles runs smoothly and no noise. Single gap joints can prevent rainwater permeation and dirt clogging. Single gap joints are simple and easy to install, check, maintain and clean. Application Single gap joints are suitable for kinds of bridges which are curved, slope, skew and wide. They can also perform well on both new-built bridges and bridges have been built, both asphalt and concrete bridge surface. Having a limited depth of the structure and being able to be installed quickly, single gap joints are extremely well-positioned to replace the damaged one in a restoration project.

TST expansion joint (also referred to as TST bridge joint) for movements up to 40 mm is a simple bridge expansion joint filled with asphalt. TST (crushed stone) elastic material is a special type of elastic-plastic material with high viscosity. Being heated sufficiently to melt, it can be poured into gravel and will be shaped into asphalt concrete form after molding to bear vehicle load. TST expansion joint can simultaneously give attention to some opposing performance requirements. For example, it can perform well in both high and low temperature (-25°C - 60°C), both permeability and viscosity. As a result, TST expansion joint can be used for wide temperature region to prevent vehicle-jumping at bridgehead. Features High elasticity: TST bridge joints can adapt the load deformation and vehicle load well. Good performance: TST bridge joints have good low-temperature flexibility and high-temperature stability. Easy to construct: TST bridge joints can be installed easily and conveniently without blocking traffic. Open to traffic quickly: Bridge can be opened to traffic in two hours after TST bridge joints are installed. If cooling is accelerated, the bridge can be open to traffic in an hour. Shock-absorbing: TST bridge joints can absorb vibration of vehicle impact and make cars go smoothly. Long service life: Being strict accordance with the requirements of the production and installation of expansion joints, TST bridge joints generally have a longer service life. Low cost & high cost-effective. Application TST bridge joints are for movements up to 40 mm are suitable for small and medium-span bridges. Because of good performance under both high and low temperature, TST bridge joints can be used in different zones to ensure traffic safety. Package The external packing is carton packing, and 25 kg per carton.

Finger joints are designed to handle movements of 80 mm to 1, 200 mm are composed by steel finger plates, CR sheet, anchor bolts and other components. The rubber sheet is placed on the retractable steel, and anchor bolts help to fix the whole structure. The orientation of the fingers is in the direction of vehicle travel, which can reduce noise and improve driver's comfort. There is a drainage channel which allows rainwater to enter the bridge's drainage system, hanging beneath the joint. Features Simple structure & low height. Minimize noise and vibration. Maximize vehicle's driving smoothness. Anti-skidding. Be highly water-resistant (Equipped with waterproof device). Low cost & high cost effectiveness. Widespread use. Easy to install. Application Finger joints are suitable for both new bridges and existing bridges. They are also good choices for the large-span bridges and do well in replacing the old ones. Finger joints are widely used among steel box girders, among concrete beams, and between steel box girders and concrete beams.

Multiple-gap 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. Multiple-gap expansion joints are suitable for longitudinal movements of 80 mm to 1, 200 mm. Having good bearing capacity and stability, multiple-gap 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. Feature Safe & reliable: The load-bearing structure and displacement control system of multiple-gap expansion joints are separate parts. When under stress, these two parts will not interfere with each other and have a clear division of labor to provide security assurance. Uniform displacement: Multiple-gap expansion joints meet the requirements of high processing and assembling precision to make sure that they can be flexible and proceed uniform displacement. Strong adaptability: Each junction adopts the structure which can both slide and be rotatably to content the demand of various kinds of bridges. Save steel: In every displacement control cabinet, all the middle beams are supporting one cross beam which is benefit to large-displacement bridges. This structure can reduces the quantity of beams, the volume of control cabinet and saves steel. Application Multiple-gap 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.