本文结合某特大型桥梁墩（台）多期沉降观测资料，探讨了特大型桥梁沉降观测数据处理方法，并对大桥的墩（台）基础的沉降规律和原因进行了分析。

With use of multi-periodical settlement observation data of a big railway bridge, this paper discusses the methods of data processing and analyses both the law and the cause of such settlement.

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通过理论计算与结构物的实际沉降观测，证明此方案设想是正确的，可以为同类工程的基础处理提供参考。

The idea has been proved in theoretical calculation and observation of the actual settlement. It may provides a reference for the foundation design in other projects of similar kind.

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