SEEPAGE FROM LINED CANAL ON STRATIFIED SUBSOIL USING FINITE ELEMENT METHOD

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KATIBEH H.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH) Year:2005 | Volume:16 | Issue:2 Page(s): 27-34

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Title

SEEPAGE FROM LINED CANAL ON STRATIFIED SUBSOIL USING FINITE ELEMENT METHOD

Author(s)

KATIBEH H. | Issue Writer Certificate

Keywords

CANAL SEEPAGE DISCHARGEQ4

GROUNDWATER FREE SURFACEQ4

CANAL LININGQ4

FINITE ELEMENT METHODQ4

Abstract

The problem of steady state seepage from a lined canal towards asymmetrical drainages has been solved using FINITE ELEMENT METHOD, analyzing the effect of stratification of subsoil and CANAL LINING on CANAL SEEPAGE DISCHARGE and GROUNDWATER FREE SURFACE between canal and drainages. The computations of this model are performed by a computer code in Fortran 77, developed by the author. In case of stratification with two layers, the canal seepage increases with increasing k2/k1. The effect of increasing k2/k1 on canal seepage is more for k2/k1>1, L1/h1=L2/h1>100, large drainage bed widths and smaller thickness of upper layer. In case of stratification with three layers, the effect of the permeability of the third layer on canal seepage and the free surface profile is maximum when k2/k1=1 and reduces when k2/k1 gets away from 1. Effectiveness of lining in reducing seepage is less when drainage distance is large. The model shows that the decrease in canal seepage due to decrease in lining permeability is relatively more significant when the ratio of lining permeability and subsoil permeability ranges in the region from 2×10-2 to 10-3 The decrease in canal seepage is very steep with initial increase in the lining thickness. However, with farther increase in the lining thickness the decrease in canal seepage is not very significant. Therefore, an effective lining permeability can range between1/50 and 1/1000 of the subsoil permeability and its thickness can be kept less than 0.2 differences between elevation of canal water level and drainage water level.

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APA: Copy

KATIBEH, H.. (2005). SEEPAGE FROM LINED CANAL ON STRATIFIED SUBSOIL USING FINITE ELEMENT METHOD. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH), 16(2), 27-34. SID. https://sid.ir/paper/52545/en

Vancouver: Copy

KATIBEH H.. SEEPAGE FROM LINED CANAL ON STRATIFIED SUBSOIL USING FINITE ELEMENT METHOD. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH)[Internet]. 2005;16(2):27-34. Available from: https://sid.ir/paper/52545/en

IEEE: Copy

H. KATIBEH, “SEEPAGE FROM LINED CANAL ON STRATIFIED SUBSOIL USING FINITE ELEMENT METHOD,” INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH), vol. 16, no. 2, pp. 27–34, 2005, [Online]. Available: https://sid.ir/paper/52545/en

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