Concrete faced rockfill dam
The invention discloses a concrete faced rockfill dam. Leveling mortar is jet to the slope face of main rockfill, and an anti-seepage steel face plate is arranged on the leveling mortar. Polyurethaneis sprayed to the surface of the anti-seepage steel face plate, and secondary rockfill is arranged be...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a concrete faced rockfill dam. Leveling mortar is jet to the slope face of main rockfill, and an anti-seepage steel face plate is arranged on the leveling mortar. Polyurethaneis sprayed to the surface of the anti-seepage steel face plate, and secondary rockfill is arranged behind the main rockfill. A steel toe board is arranged on an upstream slope toe of the main rockfill, and the steel toe board and an impervious curtain are connected to form a sealed anti-seepage system. An upstream blanket is arranged on the upper portion of the steel toe board, and a drainage ridge is arranged on a downstream toe board is arranged on the secondary rockfill; and a crushed rock revetment is arranged on the downstream slope face of the secondary rockfill, and a wave wall is arranged at the top of the dam. According to the concrete faced rockfill dam, a steel face plate is used for replacing a reinforced concrete face plate. The problem that a traditional reinforced concrete face plate is uneven in st |
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