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Stability analysis of deep excavations in clays Amr Mohamed Abdelsamea Ahmed ; Supervised Ashraf Kamal Hussein , Sherif Adel Akl

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Amr Mohamed Abdelsamea Ahmed , 2018Description: 142 P. : charts , facsimiles ; 30cmOther title:
  • دراسة إتزان الحفر العميق فى التربة الطينية [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering Summary: In this research, the stability of deep excavations in clays is discussed. This thesis also introduces how the input parameters used to represent the soil properties affect the excavation stability in undrained conditions. The soil properties are represented in undrained type (A) and undrained type (B) using Mohr-Coulomb total stress analysis (TSA), effective stress analysis (ESA), and the undrained strength analysis (USA) using SHANSEP concept. To capture this effect, serious of numerical models are carried out using 2D finite element PLAXIS. In these models, the concrete diaphragm wall is used as a support system with horizontal struts installed at different levels. The soil properties used in this research have the same properties of Northwest Sinai clay.Moreover, this study discusses different factors affect the excavation stability such as; excavation geometry and wall stiffness. For each numerical model, surface settlement, lateral wall deformations and straining actions on side supports are presented
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2018.Am.S (Browse shelf(Opens below)) Not for loan 01010110075857000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2018.Am.S (Browse shelf(Opens below)) 75857.CD Not for loan 01020110075857000

Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering

In this research, the stability of deep excavations in clays is discussed. This thesis also introduces how the input parameters used to represent the soil properties affect the excavation stability in undrained conditions. The soil properties are represented in undrained type (A) and undrained type (B) using Mohr-Coulomb total stress analysis (TSA), effective stress analysis (ESA), and the undrained strength analysis (USA) using SHANSEP concept. To capture this effect, serious of numerical models are carried out using 2D finite element PLAXIS. In these models, the concrete diaphragm wall is used as a support system with horizontal struts installed at different levels. The soil properties used in this research have the same properties of Northwest Sinai clay.Moreover, this study discusses different factors affect the excavation stability such as; excavation geometry and wall stiffness. For each numerical model, surface settlement, lateral wall deformations and straining actions on side supports are presented

Issued also as CD

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