在建筑密集场地狭窄的地区进行深基坑的开挖工作时,岩土工程师会面临严峻的考验。有时稍有不慎,便会造成工程事故,甚至带来灾难性的后果。进行这类工程。我们的经验是不多的,因此更需认真对待。本文从支护结构分类、勘察和设计的要点、位移分析以及施工的检验与监测几个方面对工程的性质、特点和注意的问题进行概述,以期引起同行的重视和讨论。 Geotechnical engineers face severe challenges when excavating deep foundation pits in areas with narrow construction areas. Sometimes there is little carelessness that can cause accidents and even catastrophic consequences. Conduct such projects. Our experience is not much, so we need to take it seriously. This article summarizes the nature, features, and attention issues of the project from the aspects of classification, survey and design of the support structure, displacement analysis, and construction inspection and monitoring, in order to arouse the attention and discussion of peers.