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拉拉山水電站閘基深厚覆蓋層的防滲措施研究

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摘  要:深厚覆蓋層的防滲措施直接影響到閘壩能否正常蓄水以及閘基的滲透穩(wěn)定性。文章采用有限元分析和理論計算方法,對拉拉山水電站的閘基深厚覆蓋層開展?jié)B流穩(wěn)定和閘壩沉陷分析,并提出相應(yīng)的防滲處理措施,研究成果對類似工程具有參考價值。

關(guān)鍵詞:閘壩;深厚覆蓋層;滲流;地基處理

中圖分類號:TV223.6     文獻(xiàn)標(biāo)志碼:A          文章編號:2095-2945(2022)20-0118-04

Abstract: The impervious measures of deep overburden directly affect the normal water storage of Sluice dam and the seepage stability of gate foundation. In this paper, the seepage stability and dam settlement of deep overburden of gate foundation of LalaShan hydropower station are analyzed by finite element analysis and theoretical calculation method, and the corresponding anti-seepage treatment measures are put forward, the research results have reference value for similar projects.

Keywords: sluice dam; deep overburden; seepage; foundation treatment

深厚覆蓋層具有透水性強、抗沖能力差的特點,極易發(fā)生滲透變形或滲透破壞,直接影響到上部建筑物的安全。(剩余1994字)

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