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Hoek, H. and Bray, J.W. (I981) Rock Slope Engineering. 3rd Edition, Institution of Mining and Metallurgy, London, 358 p.

has been cited by the following article:

• TITLE: Engineering and Tectonic Study of Rocks Discontinuities in the Proposed Abo-Hederya Quarry Site, Missan SE Iraq

  AUTHORS: Jaffar H. A. Al-Zubaydi, Abdulkadhim J. Alabidi, Ali M. H. Al-Janabi, Nadhir Al-Ansari

  KEYWORDS: Discontinuity, Fatha Formation, Missan, Iraq

  JOURNAL NAME: Engineering, Vol.8 No.8, August 25, 2016

  ABSTRACT: A detailed field survey of discontinuity (fractures) was carried out in the proposed Abo-Hederya Quarry Site, 70 km east Missan city, south-east of Iraq, where Al-Mukdadiya Formation (Upper Miocene-Pliocene) is exposed. The discontinuity survey was carried out in 10 stations covering the study area. At each station notes were collected about beds (lithology, thickness and orientation) and discontinuities (orientation, density, spacing, persistence and aperture). The slope stability analysis suggests that there is no real hazard area that could affect the quarry in future. Tectonic analysis demonstrates that tension fractures are common in the study area, while shear fractures (okl, hko, hol and hkl) are the less. The maximum principal stress direction in the study area is N (15 - 40) E, which is compatible with the regional tectonic stress in the area.