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FEM MODELING TO INVESTIGATE SEEPAGE LOSSES FROM THE LINED NADIAD BRANCH CANAL, INDIA

DSpace at IIT Bombay

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Title FEM MODELING TO INVESTIGATE SEEPAGE LOSSES FROM THE LINED NADIAD BRANCH CANAL, INDIA
 
Creator RASTOGI, AK
PRASAD, B
 
Subject finite element method
free surface
 
Description Three sections of the lined Nadiad branch canal, involving a canal length of 8.6 km, were considered to investigate pre- and post-monsoon seepage losses. The hydraulic conductivity of the lined material was considered to be one-tenth that of the top soil, based on an earlier report which indicates a ten-fold reduction in seepage losses as a result of lining of canals. A finite element program was developed to incorporate all the flow domain conditions of the canal-phreatic aquifer system. Sensitivity analysis showed that variation in the hydraulic conductivity of the canal liner or the topsoil layer had less influence on seepage flux values compared with changes in canal supply depth or aquifer hydraulic conductivity.
 
Publisher ELSEVIER SCIENCE BV
 
Date 2011-07-25T02:13:41Z
2011-12-26T12:49:17Z
2011-12-27T05:35:09Z
2011-07-25T02:13:41Z
2011-12-26T12:49:17Z
2011-12-27T05:35:09Z
1992
 
Type Article
 
Identifier JOURNAL OF HYDROLOGY, 138(1-2), 153-168
0022-1694
http://dx.doi.org/10.1016/0022-1694(92)90162-O
http://dspace.library.iitb.ac.in/xmlui/handle/10054/6605
http://hdl.handle.net/10054/6605
 
Language en