Construction control of long span continuous rigid frame bridges based on optimum level of construction completion evaluation

To satisfy norm and design, this paper uses global optimization to confirm form work placing elevation during the construction and completion of long span continuous rigid frame bridges. This paper proposes optimum level of completion of construction stage and optimum level of construction completion of state of accomplished bridge of long span continuous rigid frame bridges, proposes optimum completion state and optimum construction stage of long span continuous rigid frame bridges, level of construction completion are used to evaluate approach degree between construction and design. Optimum level of construction completion on global optimization is not only the evaluating indicator but the critical factor in construction control. The method presented in this paper is used to analyse and guide construction of Fuchunjiang River Bridge, the approach degree between construction and design satisfy code, the example is a good illustration of the soundness and practical value of the proposed method. Level of construction completion based on the construction control program are used to guide construction, this will be optimum construction state and optimum completion state of long span continuous rigid frame bridges.