ARCH BRIDGE

摘要

FIELD: arch bridge includes bank abutments and framework of closed box-type cross section. SUBSTANCE: novelty of invention consists in form of framework at section between bank abutments which is made in form of monolithic hollow reinforced concrete block with concave or convex lower band; each bank abutment is made in form of cover plate with rod supports rigidly connected with this plate and inclined towards resultant of loads exerted on plate. Proposed bridge may be built in marshy regions. EFFECT: enhanced reliability; extended field of application. 6 cl, 7 dwg