The design scheme ,construction procedure,and quality assessment of curtain grouting of Fenhe Reservoir Ⅱ are introduced in this paper.Two parallel lines of the curtain grouting holes were completed in April,2000,of which one line is directly under the dam axis,227 7m long,50m deep,another is in a position 48 8m downstream of the dam axis,227 7m long,30m deep.The distance between the curtain grouting holes is 2 0m,the inside diameter of the holes is 60mm,the descending stage grouting is adopted,each sta...
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