Slope Stability Problems Along the Main Roads in the Kurdistan Region

Authors

  • Varoujan K. Sissakian College of Engineering, University of Kurdistan, Erbil, Kurdistan Region - Iraq
  • Hassan O. Omer College of Engineering, University of Kurdistan, Erbil, Kurdistan Region - Iraq

DOI:

https://doi.org/10.25007/ajnu.v7n4a290

Abstract

The Kurdistan Region is covered by the relevant net of roads. Since the major parts of the Kurdistan Region are mountainous; therefore, the majority of them are in snake curve form. Construction of roads in mountainous areas will destroy the natural slopes, and when not treated; then different types of landslides will occur. Accordingly, the unstable slopes will cause a lot of risk to the traffic along the roads; endangering the driving along those roads; especially during winter season, and during and/ or shortly after heavy rain showers. The majority of the roads in the Kurdistan Region are planned, designed and constructed without considering the geological conditions, which include four parameters: 1) Type of the rocks and soils, 2) Dip direction and amount, 3) Intensity of joint planes, and 4) Weathering grade of the rocks. These are not considered due to: 1) Cost, 2) Construction’s duration, 3) Choosing easier paths, 4) Absence of experience, 5) Absence of modern technology, 6) Absence of road construction codes, and 7) Ignorance of the factor of safety. We studied different examples from roads in the Kurdistan Region and presented different types of slope stability problems. Moreover, we presented recommendations to keep the stability along unstable slopes.

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References

1. Abramson, L., Lee, T.S., Shama, S. and Boyce, G.M. (2002). Slope stability and stabilization methods. John Whiley & Sons Inc. 736 pp. www.wiley.com › … › Soil › General Soil.
2. Bejerman, N.J. (1994). Landslide Possibility Index System. Proceedings 7th International Congress of IAEG, Balkema, Rotterdam, Vol. 3, p. 1303 – 1306. https://www.google.com/search?sclient=psy-ab&client=firefox-b&q.
3. Burch, D., 2013. Estimating Excavation, 2nd edition. Craftsman Book Company. www.craftsman-book.com/media/static/previews/...
4. Cruden, D.M. and Varnes, D.L. (1996). Landslide Types and Processes, Special Report, Transportation Research Board, National Academy of Sciences, 247:36-75. www.researchgate.net/duplication/269710355...
5. Fouad, S.F. (2012). Tectonic Map of Iraq, scale 1:1000000, 3rd edition. Iraq Geological Survey Publications, Baghdad, Iraq. www.iasj.net/iasj?func=fulltext&aId= 99665.
6. Ghajar, I., Najafi, A., Karimimajd, A.M., Boston, K. andAli Torabi, S., 2013. A program for cost estimation of forest road construction using engineer's method. Forest Science and Technology, Vol. 9, Issue 3. https://doi.org/10.1080/21580103.2012. 759163.
7. Hamasur, Gh.A., 1991. Engineering – Geological study of rock slope stability in Haibat Sultan area, NE Iraq. Un pub. M.Sc. thesis, University of Salahaddin, Erbil, Iraq. 153p. (in Arabic).
8. Hamed, H.M., Saad, S.A. and Ghafour, B.Dh., 2013. Slope stability assessment along the Haibat Sultan main road, Koya, Kurdistan. Proceedings of First International Symposium on Urban Development, Koya.
9. Hoek, E. and Bray, J. W., 1981. Rock Slope Engineering, 3rd edit. The Institute of Mining and Metallurgy, London, England, 358 pp. www.scirp.org/(S(oyulxb452alnt1aej1nfow45))/reference/...
10. Ibrahim, Z.J. 2017. Slope Stability at Haibat Sultan Road, Kurdistan Region, Iraq. Final Graduation Project, University of Kurdistan, Hewler, 46pp.
11. Jassim, H.M. and Tokmachy, A.A.M., 2015. Chracterization of Rock Mass Units Along the Abandoned Haibat Sultan Tunnel, Koya city, NE Iraq. International Journal of Engineering Technology, Management and Applied Sciences, Vol. 5, Issue 8, p. 158 – 176.
12. Moghaddas, N.H. and Ghafori, M. (2007). Investigation of the Distribution of Causes of Landslides in Central Alborz, Iran. World Applied Science Journal, 2 (6): 652 – 657.
13. Noori, H.J. and Hassan, M.M. (2015). Landslide Prone Sites Along Road Sections in Duhok with Suggested Remedies. Zanco Journal of Pure and Applied Sciences, Vol.27, No.6 (2015), pp. 121-136.
14. Sidiq, S.A., Muhmed, A.S., Haris, G. K., Hamma, D.M., Abdullah, M.M., Bibani, H.H., Muhealldin, H.K., Mustafa, H.A., Sissakian, V.K. and Al-Ansari, N., 2016. Mechanism of Haibat Sultan Mountain Landslide in Koya, North Iraq. Engineering, Vol.8, 535 – 544. Published online August 2016 in SciRes. http//:www. Scrip.org./journal/ eng. http//:dx.doi.org/10.4236/eng.2016.880550.
15. Sissakian, V.K., & Ibrahim, F.A. (2004). Report on Zonation of Geological Hazards in Iraq. Iraq Geological Survey Library Report No. 2878, 18 p. ltu.div portal.org/smash/get/diva2:1072054/FULLTEXT01.pdf
16. Sissakian, V.K. and Ibrahim, F.A. (2005). Geological Hazards Maps of Iraq, Scale 1: 1000000. Iraq Geological Survey Publications, Baghdad, Iraq. www.oalib.com/references/7849110
17. Sissakian, V.K. and Saeed, Z.B., 2012. Lithological Map of Iraq, Compiled using GIS Techniques. Iraqi Bulletin of Geology and Mining, Vol. 8, No.3, p. 1 – 13. www.researchgate.net/profile/Varoujan_Sissakian/...
18. Sissakian, V.K. & Fouad, S.F. (2012). Geological Map of Iraq, scale 1: 10000000, 4th edition. Iraq Geological Survey Publications, Baghdad, Iraq. iasj.net/iasj?func=fulltext&aId=99666
19. Sissakian, V.K. & Al-Jiburi, B.S. (2014). Stratigraphy. In: The Geology of the High Folded Zone. Iraqi Bulleting of Geology and Mining, Special Issue No. 6, p. 73 – 161. www.iasj.net/iasj?func=fulltext&aId=95647
20. Sissakian, V.K. and Omer, H.O. (2018). Assessment of Unstable Slope in Korre Village, SW of Shaqlawa Town, the Kurdistan Region. Submitted to the Scientific Journal of University of Kurdistan, Hewler (UKHJSE).
21. Sissakian, V.K., Omer, A.S. and Mohamed, D.S. (2018). Assessment of Dukan Landslides, West of Sulaimani City, the Kurdistan Region, Northeast Iraq. Submitted to the Scientific Journal of University of Kurdistan, Hewler (UKHJSE).
22. Sissakian, V.K., Jassim, H.M., Vanarelli, M.J. and Omar, H.O., (2018). Stability Assessment of Haibat Sultan Crossing Road, North of Koya, the Iraqi Kurdistan Region. A Case Study. (In progress).
23. Terzaghi, K. (1934). Large Retaining Wall Tests. Engineering News Record Feb. 1, March 8, April 19.
24. Terzaghi, K. (1943). Theoretical Soil Mechanics. John Wiley and Sons. com/doi/10.1002/9780470172766.fmatter/pdf.
25. Terzaghi, K., Peck, R.B. & Mesri, Gh. (1996). Soil Mechanics in Engineering Practice. John Wiley and Sons. https://www.abebooks.com/.../soil-mechanics-in-engineering-practice/.../terzaghi-karl-.
26. USGS (2018). What is a Landslide and what causes one?. Retrieved from: https://www.usgs.gov/faqs/what-a-landslide-and-what-causes-one?qt news_science_products=7#qt-news_science_products.
27. Varnes, D.J. (1978). Slope movement Types and Process. In: Schuster, R.L. and R.J. Krizek, (Eds). Landslides: Analysis and Control (Washington, DC Transportation Research Board National Academy Press), Special Report, 176: 11-33. www.sciepub.com/reference/99674
28. Varnes and the International Association of Engineering Geology (1984). Landslide Hazard Zonation: a review of Principles and Practice. Published by the United Nattons Educalional. Scientific and Cultural Organization. www.worldcat.org/title/landslide-hazard-zonation-a...
29. Washington County (2011). Road Design and Construction Standards. Land use and Constructions. www.co.washington.or.us › … › Consultant Resources
30. Watkins, A. and Hughes, S. (2018). Landslides, Slope Failure, and Other Mass Wasting Processes. Quoted from Keller, E. A. (2000). Environmental Geology, 9th edit. Chapter 6, p. 130 – 161. Upper Saddle River, N.J. : Prentice Hall, ©2000. http://geology.isu.edu/wapi/EnvGeo/EG4_mass_wasting/EG_module_4.htm
31. Westen, C. (2018). Introduction to Landslides. Part 1: Types and Causes. Retrieved from: http://www.adpc.net/casita/Course%20Modules/Landslide%20hazard%20assessment/Landslides_types_and_causes.
32. Wyllie, D.C. and Mah, C. W. (2005). Rock Slope Engineering, Civil and Mining, 4th edition. Spon Press is an imprint of the Taylor & Francis Group. Retrieved from https://civilenglineering.files.wordpress.com/2014/10/rock_slope_engineering_civil_and_mining.
33. Zaruba, Q. and Mencl, V., 1982. Landslides and their Control. Elsevier Science. www.elsevier.com/books/landslides-and-their..
34. Zaruba, Q. (1969). Landslides and their Control. 1st edition, Czechoslovak Academy of Sciences, Elsevier, 24 pp. play.google.com/store/books/details/Quido_Zaruba.

Published

2018-12-21

How to Cite

Sissakian, V. K., & Omer, H. O. (2018). Slope Stability Problems Along the Main Roads in the Kurdistan Region. Academic Journal of Nawroz University, 7(4), 197–206. https://doi.org/10.25007/ajnu.v7n4a290

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Articles