Bridge Expansion Joint

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Bridge Expansion Joint

Siddhi expansion joint consist of steel armored nosing at two edges of the joint gap suitably anchored to the concrete deck and a preformed EPDM/ Polychloroprene elastomeric compressed and fixed into the joint gap with special adhesive binder . The seal is supposed to remain in continual compressed due to pressing of the seal wall against joint faces throughout the service life to ensure that joint remains watertight and capable of repelling debris.

The prime functional requirement of a joint is to cater for movements With very low resistance or with no resistance at all. The design of the Expansion joint is capable of accommodating all movements of the deck Viz. translation and rotation, and also capable for all loads acting on it And Local actions under all weather conditions

The Expansion joints is performs the following basic functions.

(1) should permit the expansion and contraction of the span to which It fixed without causing any distress or vibration of the structure.

(2) Cause no inconvenience to the road user and offer good riding Comfort.

(3) Should be capable of withstanding the traffic loads including Dynamic effects.

(4) Should be watertight and capable of expelling debris without Clogging.

MOVEMENT AND ROTATION

Siddhi expansion joint allow movement all the three Direction
and rotation about all three axes.