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Title:Shear modulus of clay-sand mixtures using bender element test
Authors:ID Cabalar, Ali Firat (Author)
ID Khalaf, M. M. (Author)
ID Karabash, Zuheir (Author)
ID Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru (Copyright holder)
Files:.pdf Acta_geotechnica_slovenica_2018_Cabalar,_Khalaf,_Karabash_Shear_modules_of_claysand_mixtures_using_bender_element_test.pdf (844,22 KB)
MD5: 36C7C2F00507C1AC7E04523551312928
PID: 20.500.12556/dkum/ba44f79f-6698-4b4a-885b-e4fd50b2fc15
 
URL http://fgserver6.fg.um.si/journal-ags/2018-1/article-1.asp
 
Language:English
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:Bender-element (BE) tests were conducted on clay-sand mixtures to investigate the variation of small strain-shear modulus (Gmax) with the sand content and the physical characteristics (size, shape) of the sand grains in the mixtures. Three different gradations (0.6–0.3 mm, 1.0–0.6 mm and 2.0–1.0 mm) of sands having distinct shapes (rounded, angular) were added to a low-plasticity clay with mixture ratios of 0% (clean clay), 10%, 20%, 30%, 40%, and 50%. For the purposes of performing a correlation analysis, unconfined compression (UC) tests were also carried out on the same specimens. The tests indicated that both the Gmax and unconfined compressive strength (q u) values of the specimens with angular sand grains were measured to be lower than those with rounded sand grains, for all sizes and percentages. As the percentage of sand in the mixture increases, the Gmax values increase, while the qu values decrease. The results further suggested that the Gmaxvalues decrease as the q u values decreases as the size of the sand grains reduces.
Keywords:sand, clay, bender element, unconfined compressive strength
Publication status:Published
Publication version:Version of Record
Year of publishing:2018
Number of pages:str. 3-15
Numbering:Letn. 15, št. 1
PID:20.500.12556/DKUM-72661 New window
ISSN:1854-0171
ISSN on article:1854-0171
COBISS.SI-ID:305145088 New window
DOI:10.18690/actageotechslov.15.1.3-15.2018 New window
NUK URN:URN:SI:UM:DK:GK2MKP9H
Copyright:Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru
Publication date in DKUM:11.10.2018
Views:1563
Downloads:506
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
CABALAR, Ali Firat, KHALAF, M. M. and KARABASH, Zuheir, 2018, Shear modulus of clay-sand mixtures using bender element test. Acta geotechnica Slovenica [online]. 2018. Vol. 15, no. 1, p. 3–15. [Accessed 1 April 2025]. DOI 10.18690/actageotechslov.15.1.3-15.2018. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=72661
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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:Določitev strižnega modula glineno peščenih mešanic s preizkusom z benderjevim elementom
Abstract:Na glineno peščenih mešanicah so bili izvedeni preizkusi z benderjevim elementom (BE). Z njimi se je raziskalo spreminjanje strižnega modula majhnih deformacij (Gmax) v odvisnosti od vsebnosti peska in fizikalnih karakteristik zrn peskov (velikosti, oblike) v preiskovanih mešanicah. Tri različne granulacije peskov (0.6-0.3 mm, 1.0-0.6 mm in 2.0-1.0 mm) s posebnimi oblikami (okrogle, oglate) so bile dodane malo stisljivi glini v deležih 0 % (čista glina), 10 %, 20 %, 30 %, 40 % in 50 %. Za korelacijsko analizo so bili na enakih vzorcih izvedeni tudi enoosni preizkusi tlačne trdnosti (UC). Preizkusi so pokazali, da so izmerjene vrednosti za G max in enoosno tlačno trdnost (qu) preizkušancev z oglatimi zrni peska nižje kot za okrogla zrna peska, in sicer za vse velikosti in razmerja mešanja. Z naraščanjem vsebnosti peska v mešanicah, narašča vrednost Gmax, medtem, ko vrednost qu upada. Rezultati nadalje kažejo, da tako vrednosti Gmax, kot tudi vrednosti q u upadajo z zmanjšanjem velikosti zrn peska.
Keywords:pesek, glina, benderjev element, enoosna tlačna trdnost


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  1. Acta geotechnica Slovenica

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