the rubber полушпалы железобетонной for metro

摘要

the utility model relates to a construction field, and aims at raising the efficiency of полушпалой absorb vibrations when the rolling stock without complicating the design through same сткой with натягоm planting case to полушпалу.the technical result is achieved in case the rubber полушпалы железобетонной consisting of the shell in the form of a hollow open top truncated group pyramidin the bottom of which is trapezoid.