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妥峡大桥是中尼公路国内段曲水～大竹卡的重点工程之一。大桥位于 K78+150处,跨越雅鲁藏布江。桥型为双孔钢桁架仰式悬索吊桥。主孔跨径100米,副孔跨径50米,全桥桥长207.70米,桥面净宽7.0米,两侧各设0.8米人行道。设计荷载为汽—20、挂—100,桥位处在海拔3500米。大桥的四根主索采用进口φ_5~S镀锌钢丝分束制束、架设,然后再集束而成。主索分束用弗氏锚头进行锚固。加劲钢桁架高度为3.0米,采用国产槽钢、角钢就地拼焊。桥面为钢板和
The Gap Bridge is one of the key projects of the domestic section of the Sino-Nepalese Highway ~ Dazhu Card. The bridge is located at K78 + 150, across the Brahmaputra. Bridge type double-hole steel truss upside suspension suspension bridge. The main hole span 100 meters, deputy hole span of 50 meters, full bridge 207.70 meters long, 7.0 meters wide bridge deck width, each side of 0.8 meters sidewalks. Design load for the steam -20, hanging -100, the bridge at an elevation of 3500 meters. Bridge four main cable imported φ_5 ~ S galvanized steel splitting beam, erection, and then from the cluster. The main cable bundle is anchored with Freunds anchors. Stiffening steel truss height of 3.0 meters, using domestic channel, angle welding on the spot. Deck for steel and