1974年在苏联委里日市的西德维纳河上,建成了一座连续梁桥(图1),全长231米,孔跨布置为32.3+51+63+51+32.3米,桥宽为净9+2×1.5米,荷载为H—30,HK—80。该组合体系的上部构造为五跨连续梁,在两个中间桥墩上设置了V 型加劲托架。桥跨结构在岸边拼装好之后,用纵向顶推法架设。 In 1974, on the western Dvina River in Rizhi, the Soviet Commission, a continuous beam bridge was built (Figure 1) with a total length of 231 meters and a 32.3 + 51 + 63 + 51 + 32.3 m hole span with a net width of the bridge 9 + 2 × 1.5 meters, the load is H-30, HK-80. The upper part of the combined system is constructed as a five-span continuous beam with V-shaped stiffening brackets provided on the two intermediate piers. After the bridge structure is assembled on the shore, it is erected by vertical pushing method.