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甲岩水电站导流洞进洞段设计

Design of Entrance Section of Diversion Tunnel in Jiayan Hydropower Station
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摘要 结合工程实际,介绍了甲岩水电站工程导流隧洞布置特点,导流洞结构设计。选择"早进洞,强支护"的进口开挖方式,导流洞矩形进口渐变段采用"起拱"开挖设计方案,实施效果理想,保障了工程的顺利实施和节点工期的实现。 CCombined with engineering practice,this paper introduces the layout characteristics and structural design of diversion tunnel in Jiayan Hydropower Station.The excavation method of“early entry and strong support"is selected,and the excavation design scheme of"arch lifting”is adopted for the rectangular entrance transition section of diversion tunnel.The implementation efiect is ideal,which guarantees the smooth implementation of the project and the realization of node construction period.
作者 黄雪林 刘玲玲 HUANG Xue-lin;LIU Ling-ling(Power China Kunming Engineering Corporation Limited,Kunming 650051,China)
出处 《云南水力发电》 2020年第1期132-137,共6页 Yunnan Water Power
关键词 导流隧洞 导流隧洞布置 导流隧洞结构设计 开挖设计 diversion tunnel diversion tunnel layout diversion tunnel structure design excavation design
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