通过分析超大深基坑无支护开挖形式,并结合工程案例探讨了施工技术的应用,简要介绍施工过程中应注意的事项,有关经验供相关人员参考。 Based on the analysis of the unsupported excavation method of super deep foundation pit, the application of construction technology is discussed in combination with the engineering case, and the items to be noticed in the construction process are briefly introduced. Relevant experiences are provided for reference.