Super-long span suspension bridge

As long span, especially in the span of anti-crisis measures 2,000 meters long span suspension bridge, there is provided a long span suspension bridge, which can be accomplished by adding a certain quality on the part of the beam and increase its static and dynamic wind performance. In the span of 2,000 meters suspension bridge, the reinforcing girders on each side set a maximum length of 1/3 of the span can be applied to the temporary contain a certain amount of quality pieces of additional load, so when the bridge by storm when to attack the quality is equal to or less than 30% of the weight of the girder mass is added to the quality of temporary surface wind girder applying member; and the horizontal distance the span portion of the inner ends of the span at 1 / 4-1 / 3 of each set support.