桥梁荷载试验是桥梁承载能力评价中最直接和最有效的方法与手段。本文通过对大量的陕西高速公路桥梁荷载试验现场检测数据的统计,及有限元软件计算得到常规桥梁结构型式的理论值,运用数理统计中的区间估计的方法对大量数据进行归纳分析,得到桥梁荷载试验下挠度和挠度校验系数的常值范围。 Bridge load test is the most direct and effective method and measure of bridge bearing capacity evaluation. In this paper, a large number of Shaanxi highway highway load test site test data statistics, and finite element software to calculate the theoretical value of the conventional bridge structure type, the use of mathematical statistics in the interval estimation method for large amounts of data are summarized and analyzed to obtain the bridge load Constant range of deflection and deflection calibration coefficients under test.