桥梁施工控制中的温度应力研究

施工控制的最终目的是使各个施工阶段理论控制值与实测值基本一致,最终达到设计成桥状态。而温度是桥梁施工控制中的主要影响因素之一。从温度荷载的特点、温度分布、温度应力的产生原因以及实用计算方法等方面分析温度在施工控制中的影响,并通过工程实际观测验证温度分布函数,具有一定的工程参考价值。

Temperature Stress in Control of Bridge Construction

The ultimate aim of construction control is to make the theoretical values approach to the actual value got by test in the whole construction stage,finally the bridge is consistent with de-signed state. The temperature is one of the main influencing factors in the bridge construction control. On the basis of the features of temperature load,distribution of temperature,the causes of temperature stress and practical method of calculation,the influence of temperature is analyzed. The distribution function of temperature is verified through the observation of the actual engineering examples. The research fruits have a certain reference value to engineering.