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Adjustment on the Downstream Slope of the Gravity Dam of the Fenhe Reservoir Ⅱ

Guo Xuebin (Shanxi Provincial Construction Headquaters of the Fenhe Reservoir Ⅱ) Zhang Runsheng Cui Bianling (Shanxi Investigation and Design Institute, the Ministry of Water Resources)  
The type of roller compacted concrete gravity dam with downstream slope of 0.8∶1 was designed in feasibility study phase of the Fenhe Reservoir Ⅱ.As the downstream slope is an important factor influencing investment of the project, the adjustment on it has been made based on the feasibility study.The result shows that the downstream slope of 0.8∶1 can be changed into 0.75∶1, and therefore the masonry volume and excavation may respectively be decreased by 25,300 m 3 and 155,300 m 3,reducing a certain degree of the investment.
【CateGory Index】: TV642.3
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