Considering the influence of the curvature on internal force of utmost state of limited section of two-step curved box-girder bridge unit displacement during the stage of construction and supporting reactions it has drawn up the corresponding curve and set down formula chart .

研究了曲率对两跨弯箱梁桥控制截面上的极限状态配筋内力、施工阶段单位位移及 支承 反力的影响，拟合出了相应的曲线并建制了计算公式和图表。