Circular bearings have the advantage for standardization because only one dimension can vary in plan. They are suitable for use in curved and large skewed bridge as they could accommodate movement and rotations in multiple directions.
Rectangular bearings are suitable for low skewed bridges. In particular, it is best suited in bridges with large rotations and movements
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This question is taken from book named – A Self Learning Manual – Mastering Different Fields of Civil Engineering Works (VC-Q-A-Method) by Vincent T. H. CHU.
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what are the various sizes for circular and rectangular bearings???