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ROAD Slope Instabilities in Schist Massifs: Case of the National Road Linking Marrakech to Ouarzazate (Morocco)

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Recent Advances in Geo-Environmental Engineering, Geomechanics and Geotechnics, and Geohazards (CAJG 2018)

Part of the book series: Advances in Science, Technology & Innovation ((ASTI))

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Abstract

The national road RN9 connecting Marrakech and Ouarzazate is located in a mountainous area with steep slopes. Several instabilities are recorded along this road including the Tishka massif which rises to 2300 m. These instabilities often hinder the road operation especially during periods of poor weather conditions. A geological and geotechnical study made it possible to better understand the origin of the instabilities in the Tishka massif. The monitoring of these instabilities by a series of inclinometers showed significant displacements (18 mm/month) to 5 and 15 m of depth. This study showed that the instabilities are the result of benches slips according to fractures plans and schistosity or sometimes linked to a regional fault mapped for the first time in this study. A geotechnical model was developed and integrated in the Plaxis software to discuss and validate the different slopes strengthening solutions.

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References

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Author information

Authors and Affiliations

  1. Cadi Ayyad University, B.P. 511, 40000, Marrakesh, Morocco

    Abdeltif Bouchehma, Azzouz Kchikach & Imad Kadiri

  2. Ministry of Equipment and Transport, RN9 Construction Site, 40000, Marrakesh, Morocco

    Hamid Essaidi

  3. Ministry of Equipment and Transport, Regional Office of Marrakech-Safi, 40000, Marrakesh, Morocco

    Mohammed Himmi & Khalil Bizani

  4. Public Laboratory of Tests and Studies, CES, Km7, El Jadida Road, Casablanca, Morocco

    Hammou Mansouri

Authors
  1. Abdeltif Bouchehma
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  2. Azzouz Kchikach
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  3. Imad Kadiri
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  4. Hamid Essaidi
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  5. Mohammed Himmi
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  6. Khalil Bizani
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  7. Hammou Mansouri
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Corresponding author

Correspondence to Abdeltif Bouchehma .

Editor information

Editors and Affiliations

  1. Sfax National School of Engineering, University of Sfax, Sfax, Tunisia

    Amjad Kallel

  2. Kütahya Dumlupınar University, Kütahya, Turkey

    Zeynal Abiddin Erguler

  3. China University of Mining and Technology, Xuzhou, Jiangsu, China

    Zhen-Dong Cui

  4. The University of Western Australia, Perth, WA, Australia

    ALi Karrech

  5. University of Adelaide, Adelaide, WA, Australia

    Murat Karakus

  6. Department of Materials Science and Engineering, The University of Arizona, Tucson, AZ, USA

    Pinnaduwa Kulatilake

  7. Edith Cowan University, Perth, WA, Australia

    Sanjay Kumar Shukla

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Cite this paper

Bouchehma, A. et al. (2019). ROAD Slope Instabilities in Schist Massifs: Case of the National Road Linking Marrakech to Ouarzazate (Morocco). In: Kallel, A., et al. Recent Advances in Geo-Environmental Engineering, Geomechanics and Geotechnics, and Geohazards. CAJG 2018. Advances in Science, Technology & Innovation. Springer, Cham. https://doi.org/10.1007/978-3-030-01665-4_96

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