| 摘要 |
A bridge span comprises longitudinal metal main open-web girders with through wall, metal sheet pallet, built-in to the pallet reinforced-concrete slab of a bridge roadway with antishrink reinforcement and cross links that connect the main girders. The span consists of blocks with trough-shaped cross section with walls of different thickness that comprise the main girders with cross diaphragm plates to the lower ledges of which open-web metal sheet is welded. |
