Numerical Modeling of Granular Soil Stabilized Using Biological Approach in Road

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Nezami V.; KHARAGHANI S.; Mehrannia n.

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Journal: Ferdowsi Civil Engineering Year:2018 | Volume:30 | Issue:2 Page(s): 109-118

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Information Journal Paper

Title

Numerical Modeling of Granular Soil Stabilized Using Biological Approach in Road

Author(s)

Nezami V. | KHARAGHANI S. | Mehrannia n. | Issue Writer Certificate

Keywords

Granular SoilsQ1

Biological Soil ImprovementQ1

LimestoneQ2

Numerical ModelingQ1

The Behavior of Elasto PlasticQ1

Abstract

Biological method is an unusual way for soil stabilization in civil engineering, particularly in the sectors of road. Microbial Limestone deposits occur due to urea hydrolysis by an enzyme called urease. Through this reaction, PH of the soil increases and Crystals of Limestone deposit between soil particles and reduce the permeability of soil. In this study, by using experimental results at the National Institute for Genetic Engineering and Biotechnology, a road improved sandy bed is modeled by biological methods. ABAQUS 6. 11 in this study is used. The soil layer is modeled in elasto-plastic condition and Settlement is calculated by using elasto plastic model in various thicknesses. The results show a significant effect in reducing plastic deformation and increasing soil strength by using biological methods in soil improvement.

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APA: Copy

Nezami, V., KHARAGHANI, S., & Mehrannia, n.. (2018). Numerical Modeling of Granular Soil Stabilized Using Biological Approach in Road. JOURNAL OF CIVIL ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), 30(2 ), 109-118. SID. https://sid.ir/paper/195924/en

Vancouver: Copy

Nezami V., KHARAGHANI S., Mehrannia n.. Numerical Modeling of Granular Soil Stabilized Using Biological Approach in Road. JOURNAL OF CIVIL ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2018;30(2 ):109-118. Available from: https://sid.ir/paper/195924/en

IEEE: Copy

V. Nezami, S. KHARAGHANI, and n. Mehrannia, “Numerical Modeling of Granular Soil Stabilized Using Biological Approach in Road,” JOURNAL OF CIVIL ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), vol. 30, no. 2 , pp. 109–118, 2018, [Online]. Available: https://sid.ir/paper/195924/en

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