FIELD: artificial structures on automobiles roads, construction of fill-in structures of tunnel type with predominantly ferroconcrete plate two-cantilever or uncut span members. SUBSTANCE: characteristic feature of this structure consists in that it includes intermediate pile trestles with cross-bars, ferroconcrete two-cantilever fill-in span member resting against cross-bars via supporting parts. Ferroconcrete two-cantilever span fill-in member is fabricated in the form of hipped plate construction of trough-shaped profile which sides are supported by bracings and lateral links placed along length of span member. Supporting parts are mobile. Ends of cross-bars of intermediate pile trestles are lifted up and embrace span member via supporting parts movable in any direction. EFFECT: increased reliability of structure, decreased usage of materials and simplified design of fill-in two-cantilever bridge of tunnel type. 2 dwg
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Authors
Dates
1999-06-20—Published
1997-11-06—Filed