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DETERMINATION OF THE ATTERBERG LIMITS USING A FALL CONE DEVICE ON LOW PLASTICITY SILTY SANDS
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- المؤلفون: Marušić, Davor; Jagodnik, Vedran
- المصدر:
Rudarsko-geološko-naftni zbornik; ISSN 0353-4529 (Print); ISSN 1849-0409 (Online); Volume 38; Issue 3
- نوع التسجيلة:
Electronic Resource
- الدخول الالكتروني :
https://hrcak.srce.hr/307335
https://hrcak.srce.hr/file/443638
info:eu-repo/semantics/altIdentifier/doi/10.17794/rgn.2023.3.11
- معلومة اضافية
- Additional Titles:
ODREĐIVANJE ATTERBERGOVIH GRANICA POMOĆU PADAJUĆEGA ŠILJKA NA PRAHOVITIM PIJESCIMA NISKE PLASTIČNOSTI
- Publisher Information:
University of Zagreb Faculty of Mining, Geology and Petroleum Engineering 2023
- نبذة مختصرة :
The Fall cone liquid limit testing procedure for low plasticity soil mixtures with sand, including the sample preparation procedure and the implementation of Fall cone plastic limit determination suggestions are covered within this research. A Fall cone apparatus was used in order to determine the liquid and plastic limits of soil types, for which the Casagrande cup and thread rolling methods proved inapplicable. Several issues are addressed concerning standardized sample mixture preparation and cup filling procedures for liquid limit testing, as well as the applicability of single measurements per moisture content and the effect of curing time on data gain quality. Both liquid and plastic limit testing results show a solid and expected linear trend of high precision. Liquid limit testing results correlate well with the existing data which suggests the Fall cone method as a unique liquid limit testing method for mixtures of low plasticity clays with sand. Plastic limit determination methods results show a deviation from values obtained with the classical Casagrande’s thread rolling method which could be caused by the bias in the tested soil type or apparatus. Test results are presented numerically and graphically and discussed with a focus on the given method applicability for determining Atterberg limits of low plasticity soil mixtures with sand.
Ovim istraživanjem obuhvaćen je postupak ispitivanja granice tečenja metodom padajućega šiljka za niskoplastične mješavine tla s pijeskom uključujući postupak pripreme uzorka i provedbu postojećih prijedloga za određivanje granice plastičnosti. Metoda padajućega šiljka korištena je za određivanje granica tečenja i plastičnosti za tipove tla, gdje metode Casagrandeove zdjelice i valjanja valjčića nisu bile primjenjive. Obuhvaćeno je i nekoliko problema vezanih za standardiziranu pripremu mješavine uzoraka, postupak punjenja čašice s uzorkom za potrebe testiranja granice tečenja, primjenjivost pojedinačnih mjerenja po sadržaju vlage te utjecaj vremena zrenja glinovitoga uzorka na kvalitetu dobivenih podataka. Rezultati ispitivanja granica tečenja i plastičnosti pokazuju solidan i očekivan linearni trend visoke preciznosti. Rezultati ispitivanja granice tečenja dobro koreliraju s postojećim podatcima, što upućuje na dobru primjenjivost metode padajućega šiljka za potrebe ispitivanja granice tečenja za mješavine tla s pijeskom niske plastičnosti. Primijenjene metode određivanja granice plastičnosti pokazuju odstupanje od vrijednosti dobivenih klasičnom Casagrandeovom metodom valjanja valjčića, što bi moglo biti uzrokovano utjecajem ispitivane vrste tla ili uređaja. Rezultati ispitivanja prikazani su numerički i grafički s naglaskom na primjenjivost upotrijebljenih metoda za određivanje Atterbergovih granica niskoplastičnih mješavina tla s pijeskom.
- الموضوع:
- Availability:
Open access content. Open access content
info:eu-repo/semantics/openAccess
The author and publisher rights are visible during the submission process, and ethical codex is available at http://hrcak.srce.hr/ojs/index.php/rgn/about/editorialPolicies#custom-0 . The Bulletin is open access (OA, green model, CC-BY) journal what means that electronic versions of articles are accessible to readers, without any fees or registration.When use, please refer to Creative Commons license (BY type, http://creativecommons.org/licenses/by/4.0/ ). Publisher copyright policies & self-archiving is also described at Sherpa organisation web (RoMEO service) based at the University of Nottingham (http://www.sherpa.ac.uk/romeo/pub/2374/). All volumes of the Bulletin (from 1989) are available at Hrčak journal pages (http://hrcak.srce.hr/rgn-zbornik?lang=en).
- Note:
application/pdf
English
- Other Numbers:
HRCAK oai:hrcak.srce.hr:307335
1410375268
- Contributing Source:
HRCAK PORTAL ZNANSTVENIH CASOPISA REPUB
From OAIster®, provided by the OCLC Cooperative.
- الرقم المعرف:
edsoai.on1410375268
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