COI code: ICASCE03_055
Paper Language: English
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Authors Investigation of changing shear strength Stability of Foundation in Major StructuresSina Keshtkar - Master of Civil Engineering
Abstract:Stability of major structures located on soil foundation is one of the important subjects in the civil engineering. Stability of clay foundation is due to ground water penetration through porous media of the soil. Therefore, water level control and suitable drainage system can be so important to protect the foundation of such structures. Leaching in soils is the important subject in the geotechnical engineering. Leaching resulted in removal salts of soils and reduction strength and physical properties of soils. As a result of becoming loose the soil structure, strength parameters are reduced. One of the effects of reduction strength in soils is instability slopes that finally cause sliding In this study, following series of chemical, physical and strength tests, the effect of leaching has been appointed and investigated on the north Iran's clay soils. This study indicates that as a result of leaching the soil structure have become porous and removal the soluble salts and part of the fine particle change the dry unit weight, void ratio, specific gravity and hydraulic conductivity. Also, leaching cause the reduction of mechanical properties and unconfined compressive strength, Elasticity of modulus, Cohesion and friction angle in two condition as drained and un-drained conditions. Finally, using the result of laboratory tests and comparison with the results of a case study using a numerical approach, the effect of leaching in sliding has been investigated.
Keywords:Stability, Leaching, Soil, Modulus of Elasticity, Foundation
COI code: ICASCE03_055
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Keshtkar, Sina, 2016, Investigation of changing shear strength Stability of Foundation in Major Structures, 3rd International Conference on Civil, Architectural and Structural, نروژ, موسسه تحقيقاتي، پژوهشي علوم و تكنولوژي نروژ, https://www.civilica.com/Paper-ICASCE03-ICASCE03_055.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Keshtkar, Sina, 2016)
Second and more: (Keshtkar, 2016)
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