Erdal Çokça

E-mail

ecokca@metu.edu.tr

Department

Department of Civil Engineering

ORCID

0000-0001-8367-2539

Scopus Author ID

6701809540

Web of Science Researcher ID

AAR-8409-2020

Evaluation of Constraint Modulus of Clay Layers Beneath a Test Embankment Çokça, Erdal; Güner, Çağlar (2025-11-13) The article presents a method to determine the clay oedometric (constraint) modulus M (Eoed) based on settlement and pore water pressure measurement of the test embankment load, This study presents an evaluation of fiel...
Stabilization of an expansive clay containing sulfate with Soma fly ash As, Mehmet; Çokça, Erdal (2025-09-01) Stabilization of an expansive soil containing sulfate with lime fails to effectively mitigate the swelling behavior of these soils as a result of the occurrence of ettringite, a highly expansive mineral. This study evaluat...
ŞİŞEN ZEMİNLERİN SİLİS DUMANI VE KİREÇ KULLANILARAK STABİLİZASYONU Çokça, Erdal; Güzel, Hayri (2024-10-17) Şişen kil sorunu, küresel bir problemdir. Bu kil türleri suya maruz kaldığında şişme gösterir ve kuruduğunda büzülür. Bu kil türlerini stabilize etmek için yaygın ve maliyet etkin yaklaşım, hacimsel değişiklikleri etkin...
A new improvement technique for expansive soils Özkan, İlyas; Çokça, Erdal (2024-08-01) In this study, a Unified Soil Improvement Technique (USIT) that consists of prewetting, calcium lignosulphonate lime piles, fabric, and soil nail was applied to an expansive soil specimen to both accelerate the process and...
Modeling the contaminant migration in soils with matlab Çokça, Erdal; Baidol, Yelaman (2023-09-16) In civil and environmental engineering, analytical simulation models help engineers understand the physical and chemical processes that influence contaminant transport through a saturated soil layer, including advective ...
Stabilization of an expansive clay by using zeolite and lime Çokça, Erdal; Demirbaş, Güneş (2023-09-16) Expansive clays are a worldwide problem that poses several challenges for civil engineers. Such clayss swell when given an access to water and shrink when they dry out. Expansive clays can be stabilized by using admixtu...
Use of waste foundry sand, bentonite, and waste rubber as a landfill cap layer material Akkaya, Utku; Çokça, Erdal (2023-05-01) In this study, the use of waste foundry sand with bentonite and waste rubber as a landfill cap layer material is studied. Laboratory tests were performed with foundry sand (green sand and resin-bonded sand), foundry sand +...
The Investigation of the Addition of Sodium Lignosulfonate to Lime Column Used For Improving the Expansive Soils Ozkan, Ilyas; Çokça, Erdal (2023-1-01) The lime column (LC) technique has been commonly used for the improvement of expansive soils. The achievement of this technique depends on the lime diffusion into the expansive soils, but lime diffusion into the expansive ...
Zeminlerin Yanal Şişme Basınçlarının Granüler Kolonlarla İyileştirilmesi Hergül, Timuçin; Çokça, Erdal; Erol, Orhan (2022-09-29) Bu çalışma kapsamında granüler çakıl kolonlarının şişen zeminlerin yanal şişme basıncı üzerindeki muhtemel olumlu etkileri araştırılmıştır. Bu amaçla hem granüler kolon ile iyileştirilmiş hem de iyileştirilmemiş şişme p...
The effect of lime pile parameters on the improvement of the swelling potential of expansive clay Çokça, Erdal; Özkan, İlyas (2022-09-01) Expansive clay found especially in the semi-arid or arid regions of the world is a problematic soil that causes much damage to the lightweight structures built by civil engineers. The Lime pile technique is one of the i...

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