The volume of a reservoir is 2×107 m3, the catchment area is 500 km2, the average annual inflow of rivers and streams is 800 mm, and the annual silt entering the reservoir is 320 ton/km2, assuming that the proportion of silt is 1800 kg/m3, Assuming that the sand trapping rate of the reservoir is y, the ratio of the reservoir capacity to the annual inflow is x, and the relationship between the two is y=1+0.1*lnx. try to estimate the number of years required for 80% of the initial reservoir capacity to fill up?

The volume of a reservoir is 2×107 m3, the catchment area is 500 km2, the average annual inflow of rivers and streams is 800 mm, and the annual silt entering the reservoir is 320 ton/km2, assuming that the proportion of silt is 1800 kg/m3, Assuming that the sand trapping rate of the reservoir is y, the ratio of the reservoir capacity to the annual inflow is x, and the relationship between the two is y=1+0.1*lnx. try to estimate the number of years required for 80% of the initial reservoir capacity to fill up?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter9: In Situ Stresses

Section: Chapter Questions

Problem 9.11P

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