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首页> 美国政府科技报告 >Deschutes: Canal-Lining Demonstration Project Construction Report. UpperDeschutes River Basin Water Conservation Project
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Deschutes: Canal-Lining Demonstration Project Construction Report. UpperDeschutes River Basin Water Conservation Project

机译：Deschutes：运河衬砌示范项目建设报告。 UpperDeschutes流域水资源保护项目

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This report describes the results of a canal-lining demonstration projectconducted in the Upper Deschutes River basin of central Oregon. The purpose of the demonstration project was to evaluate the effectiveness of different lining materials and construction techniques in reducing seepage from canals with high rates of water loss and severe subgrades. Canals in the area typically lose 35 to 50 percent of their water to seepage because they have fractured basalt bottoms with sides of highly porous soil and rock. Lining materials and construction techniques were tested on 10 sections of the Arnold Canal and 8 sections of the North Unit Main Canal. This report describes the construction materials (geosynthetics, soil, concrete, shotcrete, elastomeric coatings, and sprayed-in-place foam), their installation, construction costs, and initial water savings. Estimates for the costs of the conserved water, durability, maintenance costs, and life-cycle costs are also discussed.

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