Compression Seal Expansion Joint for Bridge Construction

Short Description:

COMPRESSION SEAL EXPANSION JOINT consists of steel armoured nosing at two edges of the joint gap suitably anchored to the deck concrete and a performed chloroprene elastomer compressed and fixed into the joint gap with special adhesive girder.

The compression seal will cater for a horizontal movement upto 40mm and vertical movement of 3mm.

It is recommended for simply supported or continuous spans right or skew moderately curved with maximum horizontal movement not exceeding 40mm.

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a) Rubber Expansion Joint makes bridge smooth and seamless, and it's good for preserving, cleaning and moving snow.

b) The structure is simple, no need to have special stretch frame and anchoring steel bar. Construction is convenient and fast.

c) Rubber Expansion Joint could absorb all kinds of deformations and shaking. And its damping property is high and it's good for bridge shock absorption.

d) Best sealing and waterproof property and anti-acid-base and corrosion.

e) Low cost of construction, durable and remarkable economic benefit and social benefit.

What is the standard specification of strip seal material?

Compression Seal Expansion Joint is provided to ensure water-tightness. The part that has to be inserted into the groove (provided in the edge beam) should have a bulbous shape.

The strip seal shall be of chloroprene with high tear strength, insensitive to oil, gasoline, and ozone. It shall have high resistance to aging. The seal should be vulcanized in a single operation for minimum full length of joint.

Detailed Diagram

Compression inserted into the groov (1)
Compression inserted into the groov (2)

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