高速铁路在我国发展迅速, 其运行速度较快, 为了保障安全, 在高速铁路的建设和运营过程中对铁路相关建筑物的变形监测十分重要.如果高铁建筑的变形量过大, 会对高速铁路上列车的运行和乘客的安全造成很大的安全威胁.而一些高铁桥梁为了跨过峡谷和河流, 都有着较大的高度和跨度, 受温度变化而导致的桥梁变形十分明显, 所以研究温度对高铁特大桥变形的影响就显得十分有意义.本文主要从温度变化对高铁桥梁变形的影响进行研究.%High speed railway develops rapidly in China, and its operation speed is fast. In order to ensure safety, deformation monitoring of railway related buildings is very important in the process of high-speed railway construction and operation. If the deformation of high-speed railway construction is too large, it will cause great security threats to the train operation and passenger safety on high-speed railway. However, some high speed railway bridges have great height and span in order to cross the gorge and river. The deformation of bridge caused by temperature change is very obvious, so it is very significant to study the influence of temperature on the deformation of high-speed rail super large bridge. In this paper, the influence of temperature on the deformation of high-speed rail bridge is studied.
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