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title

Effect of Soil Behavior Model on Drilling Response of Anchor-reinforced Excavation

Credit to Download: 1 | Page Numbers 11 | Abstract Views: 31
Year: 2020
COI code: JR_JCEMA-4-1_004
Paper Language: English

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Authors Effect of Soil Behavior Model on Drilling Response of Anchor-reinforced Excavation

  Mehran Javanmard - Department of Civil Engineering, Zanjan University, Zanjan, Iran.
  Mehdi Noruzi - Department of Civil Engineering, Islamic Azad University, Zanjan branch, Zanjan Iran.

Abstract:

The reinforced elements such as nailing and anchor have been widely used for the stability of excavation and trench because of not taking up a large space, improved soil properties by injection, greater safety and possibility of being used as permanent retaining structure. Due to the complex behavior of reinforced excavation, the stability analysis of reinforced excavation is performed by finite element method. Some factors such as boundary interval, dimensions and type of elements, and type of behavior model of materials affect the numerical results. Due to the complex behavior of the soil stress-strain, influence from stress path and loading history, and existence of groundwater, different behavior models have been proposed to simulate the materials. In this study, the effect of soil behavior model on the response of anchored excavation was investigated. For this purpose, using the finite element method in the plane strain conditions, the excavation reinforced with anchorage system was simulated for different geometrical conditions, and the results of the excavation response were compared for the Mohr-Coulomb, Drucker-Prager, and modified Cam-Clay behavior models. In the shallow excavation, it was found that the Mohr-Coulomb behavior model has the least displacement and the Drucker-Prager behavior model has the largest lateral displacement. The Drucker-Prager behavior model should be considered as a reliable criterion for the design and control of the excavation because of the greater results regarding the lateral displacement of excavation and generally, excavation deformation.

Keywords:

reinforced excavation, lateral displacement, Mohr-Coulomb, Drucker-Prager, Cam-Clay

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COI code: JR_JCEMA-4-1_004

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Javanmard, Mehran & Mehdi Noruzi, 2020, Effect of Soil Behavior Model on Drilling Response of Anchor-reinforced Excavation, Journal of Civil Engineering and Materials Apllication 4 (1), https://www.civilica.com/Paper-JR_JCEMA-JR_JCEMA-4-1_004.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
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Type: state university
Paper No.: 7863
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