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Liujiacun Tunnel of the Central Yunnan Water Diversion Project Breaks Through, Spanning 12.59 Kilometers

2024-11-25 2051 0人评论

11月25日，国家重大水利工程滇中引水重点控制性工程——柳家村隧洞顺利贯通，标志着滇中引水工程重大关键节点取得新突破。

作为滇中引水工程全线关键控制线路之一的柳家村隧洞，全长12593米，设计流量为115立方米每秒。施工区域为典型滇中红层软岩，遇水软化、稳定性差，容易变形坍塌、突泥涌水情况多发。对此，施工单位专门成立技术攻关小组加强科研攻关，探索研究滇中红层软岩隧洞变形特性及施工稳定性控制技术，及时调整支护参数，加强围岩监控量测和超前地质预报，成功攻克了特殊地质带来的下沉、变形、坍塌等技术难题。

　滇中引水工程是国务院确定的172项节水供水重大水利工程中的标志性工程，也是中国西南地区规模最大、投资最多的水资源配置工程。该工程途经丽江市、大理州、楚雄州、昆明市、玉溪市，输水线路全长约664公里，工程建成后将极大缓解滇中地区城镇生产生活用水难题，惠及1100多万人。

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Liujiacun Tunnel of the Central Yunnan Water Diversion Project Breaks Through, Spanning 12.59 Kilometers

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Liujiacun Tunnel of the Central Yunnan Water Diversion Project Breaks Through, Spanning 12.59 Kilometers

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