Abstract
This study presents the seepage patterns of earth-fill dams, using critical situations by employing the finite element approach. The Nai Gaj dam is 65km northwest of Dadu city in Sindh Province, Pakistan. In this study, the seepage through the main dam body and foundation is computed and simulated for different scenarios, i.e. maximum, normal, and minimum reservoir level. Seepage analysis was conducted by using the SEEP/W sub-program of GEO-SLOPE software. Dam design parameters and dam geometry data were used as input data to compute the unknown seepage. The seepage behavior of the Nai Gaj dam is shown in terms of net flow which consists of equipotential lines, streamlines, velocity vectors, and phreatic lines. The results show the seepage flux, maximum seepage, and exit gradient at different reservoir levels. The results show that the average flow rate at normal, maximum, and minimum reservoir levels are 1.49×10-7cumec/m, 3.38×10-7cumec/m, and 2.108×10-8cumec/m respectively. In addition, the overall stability of the side slope of the dam is discussed.
Publisher
Engineering, Technology & Applied Science Research
Reference24 articles.
1. A. H. Bhutto et al., "Mohr-Coulomb and Hardening Soil Model Comparison of the Settlement of an Embankment Dam," Engineering, Technology & Applied Science Research, vol. 9, no. 5, pp. 4654–4658, Oct. 2019.
2. A. H. Bhutto, S. Zardari, G. S. Bhurgri, M. A. Zardari, R. Bhanbhro, and B. A. Memon, "Post Construction and Long Term Settlement of an Embankment Dam Computed with Two Constitutive Models," Engineering, Technology & Applied Science Research, vol. 9, no. 5, pp. 4750–4754, Oct. 2019.
3. A. Liaghat, A. Adib, and H. R. Gafouri, "Evaluating the Effects of Dam Construction on the Morphological Changes of Downstream Meandering Rivers (Case Study: Karkheh River)," Engineering, Technology & Applied Science Research, vol. 7, no. 2, pp. 1515–1522, Apr. 2017.
4. M. A. M. Ismail, S. M. Ng, and E. K. Gey, "Stability analysis of kelau earth-fill dam design under main critical conditions," Electronic Journal of Geotechnical Engineering, vol. 17 W, pp. 3209–3219, 2012.
5. M. Foster, R. Fell, and M. Spannagle, "A method for assessing the relative likelihood of failure of embankment dams by piping," Canadian Geotechnical Journal, vol. 37, no. 5, pp. 1025–1061, Oct. 2000.
Cited by
3 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献