SoilandSoilMechanicstextbook.pdf

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See discussions, stats, and author profiles for this publication at: Soil and Soil Mechanics textbook Book · January 2014 DOI: 10.13140/RG.2.2.31964.39047 CITATIONS 0 READS 70,524 1 author: Jaafar Mohammed University of Duhok 24 PUBLICATIONS 0 CITATIONS SEE PROFILE All content following this page was uploaded by Jaafar Mohammed on 20 April 2015. The user has requested enhancement of the downloaded file.
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Page 1 of 147 Soil & Soil Mechanics Textbook collected by Ing. Jaafar MOHAMMED 2014 Soil & Soil Mechanics Textbook Collected by Ing. Jaafar MOHAMMED PhD Student at V ŠB -TUO 2013-2014
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Page 2 of 147 Soil & Soil Mechanics Textbook collected by Ing. Jaafar MOHAMMED 2014 started writing this simplified textbook at the beginning of the 1 st semester of my doctoral study in Czech Republic at VŠB -Technical University of Ostrava . Through my research and preparations for my study, I got this idea to write this small textbook for civil Engineering students, in an effort to simplify the concepts as well help in making it easier for them by collecting necessary information in a concise manner. I would like to thank and acknowledge all the researchers and authors whom I relied on their knowledge in my textbook and also, as well as recognize all the other internet resources that proved very valuable in putting together this textbook. It’s my pleasure if there is any mistake in this textbook to contact me by e -mail [ [email protected] or [email protected] ]. I
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Page 3 of 147 Soil & Soil Mechanics Textbook collected by Ing. Jaafar MOHAMMED 2014
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Page 4 of 147 Soil & Soil Mechanics Textbook collected by Ing. Jaafar MOHAMMED 2014 Contact Locally Jaafar A. Brifkani University of Duhok (UOD) Faculty of Engineering Civil Engineering Depart. Zakho Street 38, 1006 AJ Duhok Duhok Governorate Kurdistan Region Iraq Tel : +964 750 7371922 E-mail: [email protected] / Currently Ing. Jaafar Mohammed VŠB -Technical University of Ostrava Faculty of Civil Engineering Department of Geotechnical and Underground Engineering Office: C314 L. Podéště 1875, Ostrava - Poruba, Czech Republic Tel.: 00420597 321 942 Mobil: 00420607111591 E-Mail: [email protected] Address profile:
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Page 5 of 147 Soil & Soil Mechanics Textbook collected by Ing. Jaafar MOHAMMED 2014 Table of Contents Introduction ............................................................................................................................................... 12 Objectives of Soil Mechanics, by Dr. Attaullah Shah ............................................................................ 14 Soil Modelling ......................................................................................................................................... 14 Fields of Application of Soil Mechanics ................................................................................................. 14 Foundation ................................................................................................................................................ 14 Underground and Earth-retaining Structures ......................................................................................... 15 Pavement Design ...................................................................................................................................... 15 Excavations, Embankments and Dams ................................................................................................... 15 Small Housing .......................................................................................................................................... 15 Soil Profile ................................................................................................................................................. 16 Definitions and Terminology .................................................................................................................... 18 Stiffness dependent upon stress level ....................................................................................................... 18 Shear .......................................................................................................................................................... 18 Dilatancy .................................................................................................................................................... 18 Creep .......................................................................................................................................................... 18 Groundwater .............................................................................................................................................. 18 Unknown initial stresses ........................................................................................................................... 19 Variability .................................................................................................................................................. 19 Grain size ................................................................................................................................................... 19 Chemical composition ............................................................................................................................... 20 Consistency limits ...................................................................................................................................... 20 Porosity ...................................................................................................................................................... 21 Degree of saturation .................................................................................................................................. 21 Density ....................................................................................................................................................... 21 Stresses in Soils ......................................................................................................................................... 22 Stresses in a Layer ..................................................................................................................................... 23 Vertical stresses ......................................................................................................................................... 24 Pore pressures ........................................................................................................................................... 24 Residual and Transported Soils ................................................................................................................ 25 Structure of Soils ....................................................................................................................................... 25 Soil Testing - In-situ Sampling and Preparation ..................................................................................... 26 In-situ Sampling and Preparation ............................................................................................................ 26 Soil Colour Charts .................................................................................................................................... 26 Sample Mixers ........................................................................................................................................... 26
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