Optimal design of municipal wastewater collection networks with long-term performance improvement approach

Document Type : Article

Authors

School of Civil Engineering, College of Engineering, University of Tehran, Tehran, Iran

Abstract

The purpose of this study is optimal performance based design of municipal wastewater collection networks. Sewer deterioration decreases system performance over time and investigations have shown that diameter, slope, structural condition, length and burial depth are effective factors in hydraulic and structural deterioration. In this research first these factors were used to develop performance indicators based on velocity, depth of flow, burial depth, pipe slope and pipe length. Then, using the Non-dominated Sorting Genetic Algorithm II (NSGA-II) and pipe diameter as decision variable, the optimal design of a case study was performed under different combinations of performance indicators. Part of Kerman's wastewater collection network which includes 20 manholes and 20 pipes and one outlet is considered as case study. The results showed that the pareto points in different combination of factors influencing the overall performance, are very similar and in all scenarios, the designs tend to increase the slope of the pipe, decrease the diameter and increase the depth of burial. It was observed that the performance of the network can be improved about 2 percent in case study and almost without imposing additional costs on the basic design.

Keywords

References

References:
1. Moeini, R. and Afshar, M.H. "Hybridizing ant colony optimization algorithm with nonlinear programming method for effective optimal design of sewer networks", Water Environment Research, 91(4), pp. 300-321 (2019).
2. Ahmadi, A., Zolfagharipoor, M.A., and Nafisi, M. "Development of a hybrid algorithm for the optimal design of sewer networks", Journal of Water Resources Planning and Management, 144(8), 04018045 (2018).
3. Zaheri, M.M., Ghanbari, R., and Afshar, M.H. "A two-phase simulation-optimization cellular automata method for sewer network design optimization", Engineering Optimizationm, 52(4), pp. 620-636 (2019).
4. Afshar, M.H., Shahidi, M., Rohani, M., et al. "Application of cellular automata to sewer network optimization problems", Sci. Iran., 18(3), pp. 304-312 (2011).
5. Moeini, R. "Ant intelligent applied to sewer network design optimization problem: using four different algorithms", Environmental Engineering & Management Journal (EEMJ), 18(5), pp. 957-971 (2019).
6. Afshar, M.H. and Rohani, M. "Optimal design of sewer networks using cellular automata-based hybrid methods: Discrete and continuous approaches", Eng. Optim., 44(1), pp. 1-22 (2012).
7. Duque, N., Duque, D., and Saldarriaga, J. "Dynamic programming over a graph modeling framework for the optimal design of pipe series in sewer systems", Procedia Eng., 186, pp. 61-68 (2017).
8. Safavi, H. and Geranmehr, M.A. "Optimization of sewer networks using the mixed- integer linear programming", Urban Water J., 14, pp. 452-459 (2017).
9. Duque, N., Duque, D., Aguilar, A., et al. "Sewer network layout selection and hydraulic design using a mathematical optimization framework", Water, 12(12), 3337 (2020). https://doi.org/10.3390/w12123337.
10. Moeini, R. and Afshar, M.H. "Extension of the hybrid ant colony optimization algorithm for layout and size optimization of sewer networks", Journal of Environmental Informatics, 33(2), pp. 68-81 (2019).
11. Haghighi, A. and Bakhshipour, A.E. "Deterministic integrated optimization model for sewage collection networks using tabu esarch", J. Water Resour. Plan. Manag., 141(1), 4014045 (2015).
12. Tabesh, M. and Madani, S. "A performance indicator for wastewater collection systems", Water Pract. Technol., 1(4), wpt2006079 (2006). https://doi.org/10.2166/wpt.2006.079.
13. Cardoso, A., Prigiobbe, V., Giulianelli M., et al. "Assessing the impact of infiltration and exfiltration in sewer systems using performance indicators: case studies of the APUSS project", Water Pract. Technol., 1(1), wpt2006019 (2006). https://doi.org/10.2166/wpt.2006.019.
14. Akhondian, S. and Tabesh, M. "Performance based optimum design of wastewater collection systems", Civ. Eng. Infrastructures (in Persion), 45(3), pp. 267-278 (2011).
15. Heydarzadeh, R., Tabesh, M., and Scholz, M. "Multiobjectiveoptimization in sewer network design to improve wastewater quality", J. Pipeline Syst. Eng. Pract., 10(4), 4019037 (2019).
16. Water Research centre, Sewerage Rehabilitation Manual, 2th Ed., Water Research centre, London, UK (1986).
17. Tran, H.D. "Investigation of deterioration models for stormwater pipe systems", Ph.D. Thesis, Victoria University, Melbourne, Australia (2007).
18. Kley, G. and Caradot, N. "D1.2. Review of sewer Deterioration models", pp. 7-20, Kompetenzzentrum Wasser Berlin gGmbH, Berlin, Germany (2013).
19. Chughtai, F. and Zayed, T. "Infrastructure condition prediction models for sustainable sewer pipelines", J. Perform. Constr. Facil., 22(5), pp. 333-341 (2008).
20. Malek Mohammadi, M., Najafi, M., Kermanshachi, S., et al. "Factors influencing the condition of sewer pipes: State-of-the-art review", Journal of Pipeline Systems Engineering and Practice, 11(4), 03120002 (2020).
21. Ana, E. "Sewer structural deterioration modeling and multi-criteria decision making in sewer rehabilitation projects prioritization", Ph.D. Thesis, Free University of Brussels, Brussels, Belgium (2009).
22. Baik, H.S., Jeong, H.S., and Abraham, D.M. "Estimating transition probabilities in Markov chain-based deterioration models for management of wastewater systems", J. water Resour. Plan. Manag., 132(1), pp. 15-24 (2006).
23. Davies, J.P., Clarke, B.A., Whiter, J.T., et al. "Factors influencing the structural deterioration and collapse of rigid sewer pipes", Urban Water J., 3, pp. 73-89 (2001).
24. Khan, Z., Zayed, T., and Moselhi, O. "Structural condition assessment of sewer pipelines", J. Perform. Constr. Facil., 24(2), pp. 170-180 (2010).
25. Mansouri, M.R. and Khanjani, M.J. "Optimization of sewer system by the nonlinear programming", J. of Water Wastewater (in Persion), 10(2), pp. 20-30 (1999).
26. Islamic Republic of Iran Plan and Budget Organization "Guidelines for Design of Wastewater Collection Systems", Report No. 118, Tehran, Iran. (2016).
27. Ana, E., Bauwens, W., Pessemier, M., et al. "An investigation of the factors influencing sewer structural deterioration", Urban Water J., 6(4), pp. 303-312 (2009).
28. Afshar, M.H., Zaheri, M.M., and Kim, J.H. "Improving the efficiency of Cellular Automata for sewer network design optimization", Procedia Eng., 154, pp. 1439-1447 (2016).
29. Zaheri, M.M., Ghanbari, R., and Afshar, M.H. "A two phase simulation-optimization cellular automata method for sewer network design optimization", Eng. Optim., 52(4), pp. 620-636 (2019).
30. Hassan, W.H. and Jassem, M.H. "A GA-HP model for the optimal design of sewer networks", Water. Resour. Manag., 32(3), pp. 865-879 (2018).
Scientia Iranica
Volume 30, Issue 3
Transactions on Civil Engineering (A)
May and June 2023
Pages 833-844

Files

Share

How to cite

Statistics