FIELD: railway transport; bridges.
SUBSTANCE: invention relates to mating of bridge bed and bridge framework beams, namely, to design of elastic layer for ballastless bridge bed. Proposed layer consists of elastic and composite linings. Novelty is than composite linings are made, each, in form of two similar wedges with stepped or wavy mating profile at pitch t=δ/Sinα where t is profile pitch; δ is layer thickness tolerance; α is angle of wedge. Marking indicating thickness of pack at different relative positions is applied to open surfaces of wedges.
EFFECT: provision of elastic layer easily adjustable in thickness for ballastless railway bridge bed.
1 dwg
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