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Procena parametara zbijanosti tla na osnovu Atterbergovih granica konzistencije
Estimation of soil compaction parameters based on the Atterberg limits
aInstitut za ispitivanje materijala Srbije - IMS, Beograd, Srbija bUniverzitet u Beogradu, Rudarsko-geološki fakultet, Srbija cInstitut za rudarstvo i metalurgiju, Bor, Srbija
e-adresa: ksenija.djokovic@institutims.rs
Projekat: Geotehnički aspekti istraživanja i razvoja savremenih tehnologija građenja i sanacija deponija komunalnog otpada (MPNTR - 36014)
Ključne reči: parametri zbijenosti; maksimalna suva gustina; optimalna vlažnost; granica tečenja; granica plastičnosti; regresiona analiza
Sažetak
U radu je dat prikaz veze između Atterbergovih granica konzistencije i parametara zbijenosti tla dobijenih korelaciono-regresionom analizom. Veze između granice tečenja wl, granice plastičnosti wp, maksimalne suve gustine rdmax i optimalne vlažnosti wopt su dobijene na osnovu rezultata laboratorijskih ispitivanja sprovedenim na velikom broju uzoraka iz glinenog jezgra nasutih brana: Rovni, Selova, Prvonek i Barje. Primenom regresione i korelacione analize dobijene su empirijske jednačine i dijagrami. Na osnovu dobijenih jednačina moguće je proceniti vrednosti optimalne vlažnosti i maksimalne suve gustine poznavanjem Aterbergovih granica plastičnosti.
Abstract
This paper presents the relationship between the Atterberg limits and soil compaction parameters obtained by the correlation-regression analysis. The relations between the liquid limit wl, plastic limit wp, maximum dry density rdmax and optimum moisture content wopt are obtained on the basis of the results of laboratory tests measured on a large number of samples of clay core earthfill dams Rovni, Selova, Prvonek and Barje. The regression and correlation analysis were obtained empirical equations and diagrams. Based on the obtained, the value of the optimum moisture content and maximum dry density of knowing the Atterberg limits of plasticity can be estimated.
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Reference
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