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Title:A method for predicting the deformation of swelling clay soils and designing shallow foundations that are subjected to uplifting
Authors:ID Mohamed, Baheddi (Author)
ID Mekhti, Djafarov (Author)
ID Abdelhamid, Charif (Author)
ID Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru (Copyright holder)
Files:.pdf Acta_Geotechnica_Slovenica_2016_Mohamed,_Mekhti,_Abdelhamid_A_method_for_predicting_the_deformation_of_swelling_clay_soils_and_designing.pdf (465,96 KB)
MD5: 3828D35F21767A6DCA42FA95632632C7
PID: 20.500.12556/dkum/d534cb5d-38ec-457d-a3f4-40fe8381881b
 
URL http://fgserver3.fg.um.si/journal-ags/2016-1/article-6.asp
 
Language:English
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:Swelling soils can be found in many parts of the world. The state of practice in this area has been changing over recent decades. The design of foundations for expansive soils is an impo rtant challenge facing engineers. The excessive damage is, in part, due to the lack of proper design, resulting in the need for better tools for practitioners in order to assess the impact of swelling soils in typical design applications. A correct measurement of the swelling pressure is required for an accurate prediction of the heave. A theoretical model is proposed to describe the swelling potential of clay soils on the basis of their characteristics obtained from oedometer tests. This paper describes analysis of the behavior of swelling soils when moistened under buildings and structures. The methods and principles currently used for the design of structure foundations on swelling soils involve important problems due to the non-uniform deformations of these soils when subjected to structural loads. The current study was conducted to compute the uplifting of shallow foundations on swelling soils considering the water-content change as well as the contact-pressure distribution under the footing.
Keywords:swelling soil, swelling magnitude, swelling pressure, free-swell oedometer test, loaded-swell oedometer test, shallow foundations
Publication status:Published
Publication version:Version of Record
Year of publishing:2016
Number of pages:str. 65-75
Numbering:Letn. 13, št. 1
PID:20.500.12556/DKUM-70872 New window
ISSN:1854-0171
ISSN on article:1854-0171
COBISS.SI-ID:302909952 New window
NUK URN:URN:SI:UM:DK:IMWTPPSU
Copyright:Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru
Publication date in DKUM:18.06.2018
Views:1057
Downloads:107
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Categories:Misc.
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Record is a part of a journal

Title:Acta geotechnica Slovenica
Shortened title:Acta geotech. Slov.
Publisher:Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru
ISSN:1854-0171
COBISS.SI-ID:215987712 New window

Secondary language

Language:Slovenian
Title:Metoda napovedovanja deformacij nabrekljivih glinenih zemljin in oblikovanje plitvih temeljev, ki so podvrženi dviganju
Abstract:Nabrekljive zemljine je mogoče najti v mnogih delih sveta. Stanje prakse na tem področju se spreminja v zadnjih desetletjih. Projektiranje temeljev v nabrekljivih tleh predstavlja pomemben izziv za inženirje. Pretirana škoda nastane deloma zaradi pomanjkanja ustreznega načrtovanja, zaradi česar je potreba po boljših orodij za projektante, da bi se ocenil vpliv nabrekljivih tal v tipičnih projektnih situacijah. Za natančno napovedovanje dvigovanja tal je potrebno pravilno merjenje tlaka nabrekanja. Predlagan je teoretični model, s katerim je opisan potencial nabrekljivih glinenih tal, karakteristike glin so pridobljene iz edometrskih preizkusov. Prispevek opisuje analizo obnašanja nabrekljive zemljine pri povečani vlažnosti pod zgradbami in objekti. Metode in načela, ki se trenutno uporabljajo za oblikovanje konstrukcij temeljev na nabrekljivih zemljinah, so zaradi neenakomerne deformacije teh zemljin pri obremenitvah, problematična. Pričujoča študija je bila izvedena za izračun dviganja plitvih temeljev na nabrekljivih tleh, z upoštevanjem spremembe vlažnosti zemljine, kot tudi porazdelitve kontaktnih tlakov pod temelji.
Keywords:nabrekljiva zemljina, velikost nabrekanja, pritisk nabrekanja, prosti edometrski preizkus nabrekanja, obremenitveni edometrski preizkus nabrekanja, plitvi temelji


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  1. Acta geotechnica Slovenica

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