Abstract: This paper analyzes the settlement data observed at an intake gate on collapsible loess foundation during its construction and operation. By comparing these data with those observed at other structures of this project and by comparing the data observed in different phases of the project, the paper analyzes the causes of large settlement of this structure and its impact on the project. Later, the paper also examines the efficacy of the foundation treatment measures adopted.

Key words: collapsible loess, foundation treatment, settlement monitoring, data analysis

摘要： 对某工程位于湿陷性黄土地基的一座进口闸建筑物在施工期和运行期的沉降监测资料进行分析，通过横向和纵向对比的方式，分析此部位沉降变形量较大的原因和沉降变形对工程的影响，并结合其基础处理的施工方法，检验基础处理措施效果。

关键词: 湿陷性黄土, 基础处理, 沉降监测, 资料分析