随着国民经济的快速发展,基础设施建设也稳步推进,为了有效的缓解城市交通压力,桥梁建设日益增多,深基坑施工技术在桥梁基础施工中得到广泛应用。文章以佛山项目跨橹尾撬大桥承台深基坑施工为实例,从支护形式选择、施工准备、支护结构设计、支护结构施工和常见问题等方面简要阐述了采用拉森钢板桩进行支护的深基坑施工工艺,可为类似工程提供借鉴和参考。 With the rapid development of the national economy, infrastructure construction has been steadily advancing. In order to effectively alleviate the urban traffic pressure, the construction of bridges has been increasing. The construction technology of deep foundation pits has been widely used in the construction of bridges. Taking the construction of the deep foundation pit of the project spanning the sternail overage in Foshan as an example, the article briefly describes the application of Larsen steel sheet pile in the aspects of form selection, construction preparation, support structure design, support structure construction and common problems. Deep foundation pit support construction technology can provide a reference for similar projects.