FIELD: transport.
SUBSTANCE: reinforced-concrete underrail base in the form of sleeper or beam (1) is made trapezoidal in its cross-section after liquid concrete hardening in mould with reinforcement fixed in it. Sleeper or beam (1) throughout the length or outside the rail fixing sections (2) are made of the same height due to use of removable plate (3) with holes (4) for fixing void former of insert assembly (5) or insert dowel (6). Sleeper of beam butts can be flat throughout their height.
EFFECT: sleeper or beam design simplification to enable use of universal casting mould in their manufacturing.
5 cl, 7 dwg
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