D80 Bridge Expansion Joint Production Unit: Integrated Processing and Construction Services for 80 and 160-Type Highway Expansion Joints

I. Modular Expansion Joint Product Introduction

1. Definition and Purpose

A modular expansion joint is a伸縮裝置 in bridge or building structures, D80 Bridge Expansion Joint Production Unit: Integrated Processing and Construction Services for 80 and 160-Type Highway Expansion Joints primarily used to address structural deformation issues caused by temperature changes, concrete shrinkage, load effects, etc., ensuring smooth driving and structural safety.

2. Product Features

• Large Displacement Capacity: Suitable for large-span bridges with expansion ranges of 80mm~1200mm.
• Modular Design: Composed of edge beams, center beams, support cross beams, rubber sealing strips, etc. D80 Bridge Expansion Joint Production Unit: Integrated Processing and Construction Services for 80 and 160-Type Highway Expansion Joints, allowing flexible adjustment of modules.
• High Durability: Made of high-strength steel and aging-resistant rubber, impact-resistant and wear-resistant.
• Waterproof Performance: Multi-layer sealing design effectively prevents rainwater from penetrating the beam body.

3. Main Types

• Special-Shaped Steel Modular Expansion Joints (e.g., SS, D-type, etc.).
• Multi-Directional Displacement Modular Expansion Joints (adaptable to complex displacement directions).

4. Applicable Scenarios

• Highways, railway bridges.
• Urban overpasses, large building structures.

II. Expansion Joint Installation and Construction Process

1. Pre-Construction Preparation

• Design Verification: Confirm that the expansion joint model and displacement amount match the drawings.
• Base Trough Cleaning: Remove concrete from the reserved groove to the design elevation and clear debris.
• Embedded Parts Inspection: Ensure embedded reinforcement is accurately positioned and free of corrosion.