Process of lubrication of girder bearing, Civil Engineering

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Q. Process of Lubrication of Girder Bearing?

Oiling and greasing of bearings is done to ensure that the bearings are well lubricated and working freely to permit expansion and contraction due to variations in temperature. The bearing of the free and fixed ends of all triangulated spans and free ends of plate girders are to be greased.

Greasing is to be done with a mixture of Graphite & Grease normally in the proportion of 1 : 1. The proportion to be used in such that maximum amount of graphite is retained and forming a workable paste.

Oiling & Greasing of bearing is done once in 3 years on a programmed basis.


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