COLUMNAR ABUTMENT Russian patent published in 2001 - IPC

FIELD: bridge engineering. SUBSTANCE: columnar abutment of bridge has built-in-place bored piles, packing, and closet part. Novelty is that packing for single- and double-track bridges is L₁ in width across bridge axis, L₂ in length along bridge axis, and H in height; all these dimensions are given equation (see description of invention). There is also equation for distance L₃ from packing axis across bridge to support center of bridge span. EFFECT: reduced metal input for abutment; reduced due date of bridge; improved reliability and service life of supports. 5 cl, 5 dwg