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Construction Scheme of Excavating Rock and Handling PCCP by Back Acting Shovel

LIU Jie;  
In the process of installing PCCP of the Zhangfeng Water Diversion Line in the steep slope section of Jinfeng Mountain, the construction difficulty had appeared due to meeting topographic, geologic and exterior factors, and the conventional methods to excavate rock by blasting and to hoist PCCP by crawler crane could not be used to complete this construction task. According to the actual condition in situ, the particular construction scheme was drawn up. At last,the construction task of excavating rock and handling PCCP was completed successfully by expanding the function of the back acting shovel and using it.
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