bolster beam

bolster beam

A timber or steel beam that supports the end of a bridge truss on an abutment or pier; it is set perpendicular to the trusses. See also: Beam
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It meant that both the axle beam and the bolster beam above it would have to break before the wagon could be rendered helpless.
Tenders are invited for ETPS MM II Circle Conveyor Division CCM Dismantling of the damaged side bolster beam and top bolster beam rubber pads including the base plate, reconditioning the base plate, welding it in reverse position and fixing the rubber pads in wagon tipplers I & II and dismantling the existing damaged wagon tippler I cradle support, concrete bed and providing new RCC bed with supporting plates during the year 2015-16.
Tenders are invited for rubber pads for top bolster beams of wagon tippler 3&4