沉井施工受地质情况的不确定性、施工环境的多样性、施工管理的复杂性等影响，具有非确定性的特征。本文结合江苏陈家港电厂循环水泵房大型沉井施工的实际情况，着重介绍施工方案的编制及施工过程中的一些关键技术，以期与业内人士共同探讨。%Open caisson construction, which can he affected by uncertainty of geology, variety of construction environment, complexity of management and so on, has uncertain characteristics. Combined with the practical situation of large open caisson construction of circulating water pump house in Chenjiagan Power Plant of Jiangsu province, some key techniques in making construction plan and the construction process are emphatically introduced.
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