丹东市在鸭绿江畔,沙河口上建起一座无风撑156米大跨度中承式箱型钢筋混凝土肋无铰拱桥(见照片)。桥全长223.5米,宽20.5米,四车道,人行道3.25米。跨高比为6:1,矢高26米设计标准为汽-20,挂-160级。这座桥于一九八一年十月开工,八二年十二月完工,纯施工期为三百五十天。每平米单位造价七百四十八元。材料单位用量为:每平米用钢材0.1吨,水泥0.7吨,木材0.18 Dandong City in the Yalu River, Shahekou built a wind-free support 156 meters long-span box-type reinforced concrete rib arch bridge (see photo). Bridge length of 223.5 meters, 20.5 meters wide, four lanes, 3.25 meters sidewalk. Cross-high ratio of 6: 1, Arrow 26 meters high design standards for the steam -20, hanging -160 level. The bridge started construction in October 1981 and was completed in December 1982. The pure construction period is 350 days. The unit cost of 748 yuan per square meter. Material unit dosage: 0.1 tons of steel per square meter, 0.7 tons of cement, wood 0.18