Nabi Kartal Toker

E-mail

toker@metu.edu.tr

Department

Department of Civil Engineering

ORCID

0000-0001-8858-0510

Scopus Author ID

6602651695

Web of Science Researcher ID

ABB-8859-2020

Calibration of Barcelona Basic Model parameters for Unsaturated Ankara Clay Basharat, Maham; Toker, Nabi Kartal (2025-11-01) This paper deals with the calibration of the Barcelona Basic Model for intact samples of unsaturated Ankara Clay. Ankara Clay is a stiff to very stiff high-plasticity expansive clay that often contains fissures in its inta...
Hydro-mechanically coupled elasto-plastic model for unsaturated soils including hydraulic hysteresis Eyüpgiller, Mustafa Mert; Ülker, Mehmet Barış Can; Kenanoglu, Melih Birhan; Toker, Nabi Kartal (2025-01-01) This study introduces a hydro-mechanically coupled elasto-plastic model for unsaturated soils, including hydraulic hysteresis. The model focuses on the isotropic compression behaviour, requiring only three additional model...
Utility of temperature control on suction application by vapour equilibrium technique Basharat, Maham; Toker, Nabi Kartal (2024-12-04) The Soil Water Retention Curve (SWRC) is an important property of unsaturated soils, representing the amount of water in a soil and the corresponding suction. Measuring the tail end of the curve in the laboratory involve...
Doygun olmayan kumlarda başlangıç koşullarının sıvılaşma davranışına etkileri Erbaş, Mert; Toker, Nabi Kartal (2024-10-17) Sıvılaşma, deprem yükü etkisi sonucunda yapılarda büyük zararlara yol açabilen geoteknik sorunlardan birisidir. Sıvılaşmanın gevşek ve doygun zeminlerde meydana geldiği kabul edildiğinden genellikle mühendislik uygulamalar...
Application and comparison of multistage triaxial compression test procedures on reconstituted Ankara clay Vakilinezhad, Amirahmad; Toker, Nabi Kartal (2024-07-02) The ability to conduct conventional triaxial compression tests on multiple identical specimens is restricted by available sample quantity, sample homogeneity, as well as testing duration. Multistage triaxial testing is an ...
Numerical Determination of Unsaturated Hydraulic Conductivity From Time-Series Outflow Data Kenanoğlu, M.B.; Toker, Nabi Kartal (2024-01-01) In this study, the focus is placed on addressing the challenge posed by the time-consuming nature of experimental methods employed for the determination of the hydraulic conductivity function (HCF) in unsaturated soil. Ins...
Microstructure-based estimation of unsaturated shear strength from simple evaporation test Kenanoğlu, M.B.; Toker, Nabi Kartal (2023-08-01) The effect of microstructure on the hydromechanical behavior of unsaturated soils is an issue that is frequently addressed in literature. A simple procedure is proposed in this study to characterize the soil microstructure...
Doygun olmayan zeminlerin bağlaşık hidromekanik davranışlarını hidrolik histerezisi katarak açıklayan bir bünye modeli: : UNSATURK 1.0 Eyüpgiller, Mustafa Mert; Kenanoğlu, Melih Birhan; Ülker, Mehmet Barış Can; Toker, Nabi Kartal (2022-09-30) Bu çalışmada doygun olmayan zeminler (DOZ) için mekanik ve hidrolik etkilerin birlikte elealındığı bağlaşık bir teorik bünye modeli geliştirilmiştir. Model, DOZ su tutma davranışıylabirlikte, izotopik sıkışmayla oluşan boş...
A Case Study: Dynamic Analyses of Barrette Foundations under a Pipe Rack in a High Seismicity Region Akbaş, Burak; Kanun, Onur; Unutmaz, Berna; Gülerce, Zeynep; Toker, Nabi Kartal (2022-09-09) The need for transportation of fluids is increasing in recent years, calling for morecomplex analyses and design of the related facilities such as tanks, pumping stations, piperacks, etc. If these are located in a high sei...
A constitutive model for hyromechanically coupled behavior of unsaturated soils with hydraulic hysteresis Eyüpgiller, Mustafa Mert; Kenanoğlu, Melih Birhan; Ülker, Mehmet Barış Can; Toker, Nabi Kartal (2021-07-28) There are several constitutive models developed for understanding coupled hydromechanicalbehavior of three phase medium of unsaturated soils as well as models for explaining hydraulic hysteresis inwater retention. However,...

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