STONE-REMOVING FIXTURE FOR PROTECTION OF SUPPORTS OF RAILWAY OVERPASS

摘要

FIELD: railway transport. SUBSTANCE: invention relates to transport construction. Stone-removing fixture is fabricated in the form of separate members each being placed at support of overpass and provided with head gear in the form of tetrahedron facing upland side with rib. Basic dimensions of tetrahedron are determined in compliance with formula given in description of invention. EFFECT: improved reliability of protection of supports. 2 dwg