悬索桥施工中主缆横截面平均温度实用计算法

在悬索桥的施工控制中，需要对空缆状态主缆横截面的边界点温度进行测量，从而求得主缆的平均温度笔者从热传导方程出发，揭示了主缆这种由钢丝和空隙组成的截面的温度分布，提出了主缆横截面平均温度的实用计算方法算例和实测结果对比表明，该法具有良好的精度．

Practical Method for Calculating the Mean Temperature of the Main Cable Section in the Construction Control of Suspension Bridges

In the construction control of suspension bridges, it is required that the temperatures of border point ofmain cable section under the single cable condition be measured so as to obtain the mean temperature of the main ca-ble. From the thermal transfer eqrations, the temperature distribution of the main cable section, which is composed ofwires and voids, is revealed. A practical method which can be used to calculate the mean temperature of main cablesection is developed. A comparison between the numerical examples and the experimental results is carried out. Theresults show that the method is relatively acculate.