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Control system for dam foundation stratum uplift deformation
The invention discloses a control structure for dam foundation stratum uplift deformation. The control structure comprises a dam arranged on a dam foundation and a seepage-preventing curtain arranged below the dam foundation. The part below the dam foundation comprises a permeable stratum, a relatively non-permeable layer and a permeable rock stratum in sequence from top to bottom. A pressure relief gallery and multiple pressure relief holes are formed inside the dam, the pressure relief holes are formed inside the dam foundation, the top ends of the pressure relief holes are communicated with the pressure relief gallery, and the bottom ends of the pressure relief holes are located inside the permeable rock stratum. Stratum seepage force distribution and deep-layer water-drainage pressure relief controlling the stratum to generate seepage deformation are changed, and therefore stratum uplift deformation caused by water storage of a reservoir is reduced or eliminated.
Control system for dam foundation stratum uplift deformation
The invention discloses a control structure for dam foundation stratum uplift deformation. The control structure comprises a dam arranged on a dam foundation and a seepage-preventing curtain arranged below the dam foundation. The part below the dam foundation comprises a permeable stratum, a relatively non-permeable layer and a permeable rock stratum in sequence from top to bottom. A pressure relief gallery and multiple pressure relief holes are formed inside the dam, the pressure relief holes are formed inside the dam foundation, the top ends of the pressure relief holes are communicated with the pressure relief gallery, and the bottom ends of the pressure relief holes are located inside the permeable rock stratum. Stratum seepage force distribution and deep-layer water-drainage pressure relief controlling the stratum to generate seepage deformation are changed, and therefore stratum uplift deformation caused by water storage of a reservoir is reduced or eliminated.
Control system for dam foundation stratum uplift deformation
FENG SHURONG (author) / JIANG ZHONGMING (author) / ZHONG HUIYA (author) / WANG JIANGYING (author) / LI XUEZHENG (author) / ZENG XIANGXI (author) / LI YUE (author)
2015-07-22
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen
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