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云谷川东干渠全长25.464km,由于运行时间长,对东干渠进行改造。渠道改造断面为矩形拉杆渠,新建隧洞衬砌类型为锚杆喷射砼与钢筋砼组合式,改建倒虹吸拆除原管道,更换新管道。
Cloud Valley East Canal trunk length of 25.464km, due to the long running time, the East Main Canal to transform. The section of the channel reconstruction is a rectangular drawbar channel. The type of newly-built tunnel lining is a combination of shotcrete and reinforced concrete bolting, and the inverted siphon is used to demolish the original pipe and replace the new pipe.