Modular Expansion Joint

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MOQ : 1000 Meters

Modular Expansion Joint Specification

Head Code
Standard Modular

Flange
Integrated Flange Plates

Media
Expansion and Contraction Joints for Bridges

Max. Temperature
-40°C to 80°C

Surface Treatment
Anti-corrosive Coating, Galvanized

Material
High Strength Steel and Reinforced Rubber

Technique
Modular Cast and Fabricated

Type
Multiple Gap Expansion Joint

Connecting Type
Bolted Flange Connection

Shape
Rectangular Modular

Working Pressure
Designed for heavy vehicular load

Movement Range
Up to 160 mm per module

Load Capacity
Up to 1000 kN per Wheel Load

Color
Grey or Black

Installation
On-site Modular Assembly

Noise Reduction
Integrated noise-suppressing polymer inserts

Waterproofing
Integral Sealing Profile

Dimension Options
Custom Width and Gap Sizes Available

Life Expectancy
30+ Years with Proper Maintenance

Application
Highway and Railway Bridges, Multi-Span Structures

Modular Expansion Joint Trade Information

Minimum Order Quantity
1000 Meters

Supply Ability
10000 Meters Per Month

Delivery Time
1 Months

About Modular Expansion Joint

Our offered Modular Expansion Joint is used when the movements of a bridge exceed the capacity of a single gap joint and a finger type joint. It is designed on a modular basis and can be tailored to satisfy the specific requirement of almost any structure. This is widely used in highway bridge decks, to prevent building and bridges appear some cracks because of climate change. These expansion joints set appropriate gap between both sides in order to ensure structural elements on both sides of modular bridge expansion joint free flexible in horizontal direction. Our provided Modular Expansion Joint is known for their unique features like easy installation for construction and flexible stretch and safety.

Product Details

Material	High Duty Steel- Structure
Usage/Application	Bridge Engineering
Size	3 inch
Temperature	Up to 1200 Deg C

Superior Movement Accommodation

Each module supports up to 160 mm of bridge movement, efficiently absorbing structural shifts caused by traffic, temperature changes, and ground settling. This ensures uninterrupted performance in diverse bridge environments and extends the structures lifespan.

Integrated Noise and Water Management

With built-in noise-suppressing polymer inserts, the joint minimizes disruptive vibrations and operational sound. The integral sealing profile provides strong waterproofing, shielding the underlying structure from moisture ingress and promoting long-term durability.

Customization and Durability Options

Available in custom widths and gap sizes, and offered in grey or black, the joint caters to various project requirements. Its robust construction using high-strength steel and reinforced rubber, coupled with anti-corrosive and galvanized finishes, ensures resilience even under extreme loading and temperature conditions.

FAQs of Modular Expansion Joint:

Q: How is the modular expansion joint installed on bridges?

A: Installation is performed on-site using a modular assembly approach. The joint modules are positioned as per the bridge design, connected with integrated flange plates, and secured using bolted flange connections, allowing flexibility for varied bridge spans and widths.

Q: What benefits does the integrated noise-suppressing feature provide?

A: The built-in noise-suppressing polymer inserts absorb impact and vibration from vehicle loads, significantly reducing noise and enhancing driving comfort for bridge users while minimizing structural wear.

Q: When should this expansion joint be selected for a project?

A: This modular expansion joint is ideal for projects requiring movement ranges up to 160 mm per module, particularly on highway and railway bridges, or multi-span structures exposed to substantial loading and temperature variations.

Q: Where can custom sizes or colors be specified for these joints?

A: Custom dimensions and color options are available upon request during the order phase. This ensures a precise fit with unique bridge configurations and desired project aesthetics.

Q: What materials are used in the construction of the expansion joint?

A: The joint is fabricated from high-strength steel and reinforced rubber, ensuring excellent load capacity and durability. Surface treatments include galvanization and anti-corrosive coatings for long-term resistance to harsh environmental conditions.

Q: What is the typical maintenance required and expected service life?

A: With regular visual inspections and routine cleaning of the sealing and moving parts, the expansion joint provides a life expectancy of over 30 years, contributing to reduced lifecycle costs for bridge owners.

Q: How does the joint handle different temperature ranges and heavy loads?

A: Designed to accommodate working pressures from heavy vehicular loads and temperatures ranging from -40C to 80C, this expansion joint remains structurally sound and fully functional in extreme conditions.

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