Steel Finger Bridge Expansion Joint Comb Expansion Joints for Road and Bridge

Product Description

Product Description

for Movements of 80 mm to 1200 mm
    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.

Type

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.

Functions

*Large movement accommodation: Meets 160-1000mm movement requirements

*Load transmission: Finger plates support vehicle loads

*Waterproof drainage: Rubber seal + finger plate drainage structure

*Shock absorption: Cushions impact and reduces noise

Product Advantages

*Large movement: Maximum 1000mm for super long-span bridges

*High load capacity: Single-gap bearing 80kN/m, suitable for heavy traffic

*Excellent drainage: Finger plate structure prevents water accumulation

*Easy maintenance: Modular design for quick replacement

*Cost effective: Domestic price with international quality

Specification

Type	Movements (mm)	Thickness (mm)	Anchor bolt	Width (mm)	Height (mm)	Height of set layer (mm)
80	80	28	M18 × 180	750	33	≥ 120
100	100	28	M18 × 180	790	33	≥ 120
120	120	30	M18 × 180	830	35	≥ 120
140	140	30	M18 × 180	870	35	≥ 120
160	160	30	M20 × 200	940	35	≥ 130
180	180	32	M20 × 200	980	37	≥ 130
200	200	32	M20 × 200	1020	37	≥ 130
220	220	32	M20 × 200	1040	37	≥ 130
240	240	34	M20 × 200	1060	39	≥ 150
260	260	34	M20 × 200	1120	39	≥ 150
280	280	34	M20 × 200	1170	39	≥ 150
300	300	34	M20 × 200	1270	39	≥ 150
320	320	36	M24 × 240	1290	41	≥ 150
340	340	36	M24 × 240	1350	41	≥ 150
360	360	36	M24 × 240	1410	41	≥ 150
400	400	36	M24 × 240	1470	41	≥ 150

Installation

Product Details

Packaging & Shipping

Customer Visit

Company Profile

    Hengshui Jingtong Rubber Co., Ltd., located in Hebei Province's Hengshui City, is a professional manufacturer of engineering rubber products. Our product range includes bridge bearings, expansion joints, water stop strips, water stop belts, inflatable cores, building deformation joint device and water plugs, which are widely used in bridge, tunnel, water conservancy, and power engineering projects. The company boasts advanced technology and mature processes to ensure reliable product quality.

    We have a professional technical team and a comprehensive after-sales service system to ensure customers receive high-cost-performance products and attentive service. Hengshui Jingtong Rubber Co., Ltd. is committed to continuous innovation to meet market demands and looks forward to esta  blishing long-term cooperative relationships with customers from both domestic and international markets.

FAQ

1.What is the movement range of this expansion joint?

The product accommodates movements ranging from 30mm to 120mm.

2.What materials are used for the structural members?

Structural members are made from high-strength, high-toughness integrally hot-rolled special-shaped steel such as 16Mn or Q345 grade steel.

3.Is customization available for this product?

Yes, the standard is customized, and we offer full customization, minor customization, and flexible customization options.

4.What sealing materials are used?

We use high-strength, aging-resistant chloroprene rubber or Ethylene Propylene Diene Monomer (EPDM) for the sealing strips.

5.What certifications does the product have?

The product holds ISO:9001 and RoHS certifications.

6.What after-sales services are provided?

We provide installation guides and technical guidance as part of our after-sales service.

7.What are the payment terms?

We accept LC, T/T, D/P, Western Union, and small-amount payments.