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兰成渝管道是管道局30年来前所未遇的最难建设的一条管道。这条管道地形、地貌、地质情况复杂,可概括为“一难二险三紧四高”。一难即施工难度大;二险,即施工作业危险性大;三紧是工期紧;四高即施工标准高、成本高。说它既难又险,首先表现在冬季施工上。以往我们也在冬季进行过管道工程施工,但像兰成渝管线建设需要如此大兵团作战、长时间的冬季施工,在管道局的历史上还是第一次。同样,山区作战,坡陡路窄,山路十八弯,运输施工十分困难。这些都给我们的施工带来了前所
Lan Cheng Yu pipeline is 30 years ago, the most difficult to build a pipeline. This pipe topography, geomorphology, geological complex, can be summarized as “a hard two insurance three tight four high.” A difficult construction is difficult; two insurance, that is, the risk of construction operations; three tight tight schedule; four high standard of construction, high cost. It is both hard and dangerous, first manifested in the winter construction. In the past we also conducted pipeline construction in winter, but as Lan Chengyu pipeline construction needs such a large corps combat, a long winter construction, the first time in the history of the pipeline bureau. Similarly, mountain operations, narrow steep slopes, mountain eighteenth bend, transport construction is very difficult. These have brought us the construction of the previous