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RU1778231C
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Drain of underground water conduit with concrete lining and steel facing and method of its construction
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Drain water discharge
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Breast wall and method of construction thereof
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Lining of pressureless hydraulic tunnel
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Method for consolidation of riverbank
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Method of erecting river head in hydraulic tunnel
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High-pressure underground underground water discharge
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Tunnel junction assembly
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Apron construction method
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Anchor
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Vortex spillway of hydraulic structure
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Lintel
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Method of closing bottom water conduit of hydraulic structure
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Construction method for spillway tailwater structure
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Device for protecting dam foundation from demolition
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Antiseepage screen
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High-head spillway
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Method for determining air temperature
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Earth dam on water permeable foundation
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Tunnel conduit water intake
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