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A platform for research: civil engineering, architecture and urbanism
Impermeable method for reservoir basin of pumped storage power station
The invention discloses an anti-seepage method for a reservoir basin of a pumped storage power station, the reservoir basin is made of rock, and the anti-seepage method comprises the following steps in sequence: a, finding a reservoir basin crack (1), b, building enclosing walls (2) on two sides of the crack (1) along the trend of the crack (1), and c, sequentially stacking a stone layer (3), a sand cushion layer (4), a composite geomembrane (5) and a clay layer (6) on the upper side of the crack (1). In the step b, the height of the enclosing wall (2) is 0.5-1 m, and the distance between the enclosing wall (2) and the crack (1) is 5-10 cm; the upper end of the inner side wall of the enclosing wall (2) inclines outwards, the side edge of the composite geomembrane (5) extends upwards along the inner side wall of the enclosing wall (2) and exceeds the top face of the enclosing wall (2), and the side edge of the composite geomembrane (5) penetrates through the clay layer (6). The anti-seepage structure has the advantages of being convenient to construct and good in anti-seepage effect, and is particularly suitable for anti-seepage treatment of rock reservoir basins in areas with relatively active geology.
本发明公开了一种抽水蓄能电站水库库盆防渗方法，所述水库库盆材质为岩石，包括以下依次步骤，a、寻找库盆裂缝(1)，b、沿裂缝(1)走向，在裂缝(1)两侧砌设围墙(2)，c、在裂缝(1)上侧依次堆积石块层(3)、砂垫层(4)、复合土工膜(5)和黏土层(6)；所述步骤b中，所述围墙(2)的高度0.5‑1m，围墙(2)与裂缝(1)之间的距离5‑10cm；围墙(2)内侧壁的上端向外侧倾斜，所述复合土工膜(5)的侧边沿着围墙(2)的内侧壁向上延伸并超过围墙(2)的顶面，复合土工膜(5)的侧边从黏土层(6)中穿过。本发明具有施工便利和防渗效果好的优点，尤其适合对地质相对活跃区域的岩石库盆防渗处理。
Impermeable method for reservoir basin of pumped storage power station
The invention discloses an anti-seepage method for a reservoir basin of a pumped storage power station, the reservoir basin is made of rock, and the anti-seepage method comprises the following steps in sequence: a, finding a reservoir basin crack (1), b, building enclosing walls (2) on two sides of the crack (1) along the trend of the crack (1), and c, sequentially stacking a stone layer (3), a sand cushion layer (4), a composite geomembrane (5) and a clay layer (6) on the upper side of the crack (1). In the step b, the height of the enclosing wall (2) is 0.5-1 m, and the distance between the enclosing wall (2) and the crack (1) is 5-10 cm; the upper end of the inner side wall of the enclosing wall (2) inclines outwards, the side edge of the composite geomembrane (5) extends upwards along the inner side wall of the enclosing wall (2) and exceeds the top face of the enclosing wall (2), and the side edge of the composite geomembrane (5) penetrates through the clay layer (6). The anti-seepage structure has the advantages of being convenient to construct and good in anti-seepage effect, and is particularly suitable for anti-seepage treatment of rock reservoir basins in areas with relatively active geology.
本发明公开了一种抽水蓄能电站水库库盆防渗方法，所述水库库盆材质为岩石，包括以下依次步骤，a、寻找库盆裂缝(1)，b、沿裂缝(1)走向，在裂缝(1)两侧砌设围墙(2)，c、在裂缝(1)上侧依次堆积石块层(3)、砂垫层(4)、复合土工膜(5)和黏土层(6)；所述步骤b中，所述围墙(2)的高度0.5‑1m，围墙(2)与裂缝(1)之间的距离5‑10cm；围墙(2)内侧壁的上端向外侧倾斜，所述复合土工膜(5)的侧边沿着围墙(2)的内侧壁向上延伸并超过围墙(2)的顶面，复合土工膜(5)的侧边从黏土层(6)中穿过。本发明具有施工便利和防渗效果好的优点，尤其适合对地质相对活跃区域的岩石库盆防渗处理。
Impermeable method for reservoir basin of pumped storage power station
一种抽水蓄能电站水库库盆防渗方法
LIU XIAODONG (author) / ZHAO YINGJIU (author) / MA XIAO (author) / CHAI SHAOTAI (author)
2024-03-22
Patent
Electronic Resource
Chinese
IPC:
E02B
HYDRAULIC ENGINEERING
,
Wasserbau
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