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葛岙水库缓倾角结构面深层抗滑稳定分析及处理


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摘 要:本文以葛岙水库工程为例,描述了主坝河床15#~17#坝段坝基开挖揭露的缓倾角结构面产状、走向等,并详细分析了计算条件及参数,然后采用规范推荐的等安全系数法进行计算分析。根据计算成果,提出了一些进一步确保坝体安全稳定性的缓倾角结构面处理措施,以期为类似坝基地质情况的重力坝工程提供参考。

关键词:重力坝;缓倾角结构面;深层抗滑稳定;等安全系数;双滑动面

中图分类号:TV223 文献标识码:A 文章编号:1003-5168(2021)15-0056-03

Abstract: Taking the ge'ao reservoir project as an example, this paper described the occurrence and trend of the gently inclined structural plane exposed by the dam foundation excavation of the riverbed 15#~17# dam section of the main dam, analyzed the calculation conditions and parameters in detail, and then used the equal safety factor method recommended by the code for calculation and analysis. According to the calculation results, some treatment measures of gently inclined structural plane to further ensure the safety and stability of the dam body were put forward, in order to provide reference for gravity dam projects with similar dam foundation geological conditions.

Keywords: gravity dam;lowly inclined structure faces;deep anti sliding stability;equal safety factor;double sliding surface

1 工程概况

葛岙水库工程位于宁波市奉化区尚田镇,是一座以防洪为主,结合供水、灌溉、生态等综合利用的中型水利枢纽工程。(剩余3504字)

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