Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Laboratory Tests to Study Drainage from Sloping Land
An investigation was made to study drainage from sloping land. A tilting sand tank (flow tank) 2 ft wide, 2-1/2 ft deep, and 60 ft long was used. Drains to simulate agricultural tile were placed in the sand tank at 6-ft intervals 2 ft above the tank bottom. Water (recharge) was applied at a steady rate on the sand surface to simulate irrigation. Drain discharges and water table profiles were measured for 54 tests with different recharge rates, 6- and 12-ft drain spacings, and sand tank slopes from 0 to 10%. Four tests were made introducing dye into the tank and streak-lines obtained showing directions of water movement in the sand. The report includes tables of the drain discharges, plots of the water table profiles, photographs of the dye streak-lines, and diagrams showing the potential field occurring between drains. Effects of slope and recharge rate upon drain discharges, water table profiles, and water movement in the sand tank were analyzed. (Author)
Laboratory Tests to Study Drainage from Sloping Land
An investigation was made to study drainage from sloping land. A tilting sand tank (flow tank) 2 ft wide, 2-1/2 ft deep, and 60 ft long was used. Drains to simulate agricultural tile were placed in the sand tank at 6-ft intervals 2 ft above the tank bottom. Water (recharge) was applied at a steady rate on the sand surface to simulate irrigation. Drain discharges and water table profiles were measured for 54 tests with different recharge rates, 6- and 12-ft drain spacings, and sand tank slopes from 0 to 10%. Four tests were made introducing dye into the tank and streak-lines obtained showing directions of water movement in the sand. The report includes tables of the drain discharges, plots of the water table profiles, photographs of the dye streak-lines, and diagrams showing the potential field occurring between drains. Effects of slope and recharge rate upon drain discharges, water table profiles, and water movement in the sand tank were analyzed. (Author)
Laboratory Tests to Study Drainage from Sloping Land
E. R. Zeigler (Autor:in)
1972
74 pages
Report
Keine Angabe
Englisch
Drainage from Level and Sloping Land
| NTIS | 1971
Drainage from Sloping Land Using Oblique Drains
| NTIS | 1987
| Engineering Index Backfile | 1964
| TIBKAT | 2008