The theory and the formula of the deflection deformation survey with total station instrument were introduced, and the survey accuracy was analyzed.
论文介绍了全站仪法测量桥梁挠度的原理和计算公式，并对全站仪法观测桥梁挠度变形值的测量精度进行了分析。
The change rules of axle exchange index based on deflection equivalent are analyzed according to the survey results in the different loads and pavement conditions.
根据不同荷载与路面状况下弯沉的实测结果，计算并分析了按弯沉等效的轴载换算指数的变化规律。
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