Expansion Joints
Types of Expansion joints based upon the length of the span and movements are given below:
(i) For RCC slabs upto 11 m span only
Provide Buried type expansion joints
(ii) For all other bridges having span longer than 11 m and where movements are upto 70mm
Provide Elastomeric Single Strip Seal type expansion joints
(iii) Superstructure having movements more than +- 70mm.
Provide Modular Strip Seal expansion joints.
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