Hogging moment area structure of steel-concrete composite plate girder bridge
The utility model discloses a hogging moment area structure of a steel-concrete composite plate girder bridge, belongs to the field of bridge engineering, and solves the problem that a thin steel I-beam is poor in working performance and spanning capacity. The steel I-shaped beam comprises a bridge...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a hogging moment area structure of a steel-concrete composite plate girder bridge, belongs to the field of bridge engineering, and solves the problem that a thin steel I-beam is poor in working performance and spanning capacity. The steel I-shaped beam comprises a bridge deck and a steel I-shaped beam, the steel I-shaped beam is composed of an upper flange, a web plate and a reinforced bottom plate, the reinforced bottom plate is of a cavity structure, stiffening ribs are arranged in a cavity of the reinforced bottom plate, concrete is filled in the cavity of the reinforced bottom plate, and an inner inserting plate is arranged at the lower end of the web plate and connected into the cavity of the reinforced bottom plate. A traditional lower flange is transformed into the cavity structure reinforced bottom plate, the stiffening ribs and the concrete are arranged in the cavity structure reinforced bottom plate, the inner inserting plate is arranged at the bottom of a traditional web |
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