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

• Customization: Available
• After-sales Service: Installation Guide
• Warranty: 2years
• Model NO.: JT03
• Certification: CE/ISO
• Function: Protect
• Position: Upper Structure
• Type: Telescopic Device
• Special Service: Custom Service Offered
• Movement: 80-400mm or Customized
• Surface Treatment: Galvanized
• Standard: GB
• Forming: Cold Drawn Steel
• Connection Form: Welded Connection
• Member: Steeltruss
• Type of Steel for Building Structure: Fire-Resistent Steel
• Application: Steel Workshop, Steel Structure Platform
• Residential Wall Structure: Briger
• Carbon Structural Steel: Q355
• Transport Package: Pallet
• Specification: Size: Various
• Trademark: HengJingGong
• Origin: China
• HS Code: 7308900000
• Production Capacity: 5000meter/Month
• Package Size: 100.00cm * 30.00cm * 20.00cm
• Package Gross Weight: 60.000kg

Product Description

Product Description

Finger Expansion Joints for Movements of 80 mm to 1200 mm
Finger expansion 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.

Type

Finger Expansion 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.

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

Advantages

High load rating: AASHTO fatigue certified for Highway-I, City-A and HS25-44 loads

Superior seismic performance: shake-table verified under magnitude-8 earthquake, no tooth breakage or anchor loosening

Winter workability: pre-heating jig enables welding at -10 °C, ideal for northern winter reopening

Detailed picture

Finger expansion joints are widely used for:
    *Highway, urban expressway and viaduct deck continuous and girder-end joints
    *Main tower and auxiliary pier joints of long-span cable-stayed, suspension and continuous rigid-frame bridges
    *Horizontal rotation and offset joints of curved, graded and skew bridges with complex alignments
    *Large-movement girder-end joints of heavy-haul railway and city LRT bridges
    *Seismic-isolation finger expansion joints in zones ≥ magnitude 7 to improve urban lifeline resilience

Packaging & Shipping

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.When can I get the quotation?
A:We usually quote within 24 hours after we get your inquiry.

2.How long can I expect to get the sample?
A:The samples will be ready for delivery in 5-10days. The samples will be sent to you via express and arrive in 5-7days.

3.How long is the delivery time
A:Usually 10-15 days, depending on the quantity purchased.

4.How can I get a sample to check your quality?
A:After negotiating the price, we will provide you with samples for testing.

5.what can you buy from us?
Bridge Bearing Pad,Seismic isolation bearing,Expansion Joint,Rubber Inflatable Airbag,Waterstop Belt/Strip,Steel Expansion Joint,Butyl Tape

6.What's payment term?
A:T/T, L/C at sight, Western Union

7. Do we have quality guarantee?
Of Course!
--from raw material to manufacturing, we have rigid quality control.
--before delivery, we have strict quality inspection.
--Third party inspection is also available at your request.
--We also have ISO, CE certificates.