| 1. | The concrete planks sit on longitudinal girders that create the swooping form of the envelope.
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| 2. | Two such longitudinal girders are constructed parallel to each other to provide the bridge's strength.
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| 3. | The frames were connected by 12 longitudinal girders and a triangular section keel below the main structure.
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| 4. | The deck structure comprises a grillage consisting of the deck slab with longitudinal girders and cross-girders.
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| 5. | The steel grillage consists of two main longitudinal girders at the axial distance of, transversal girders set apart and peripheral beams.
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| 6. | Another effect was that both R100 and R101 had a relatively small number of longitudinal girders in order to simplify the stressing calculations.
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| 7. | The 16 longitudinal girders were formed of three tubes each, formed from strips of Duralumin wound into a helix and riveted together.
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| 8. | These new rules called for all lifting loads to be transmitted directly to the transverse frames rather than being taken via the longitudinal girders.
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| 9. | The thick reinforced concrete deck slab is supported by the cross-girders set apart and the longitudinal girders set apart and made composite.
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| 10. | Cross-section of the viaduct consists of two parallel structures, and each structure comprises five longitudinal girders whose axes are placed apart.
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