Study of Loose Soil Layer Effects on Excavations Supported by Steel Sheet Pile Walls-A Numerical Study

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AHMADPOUR BEHROUZ; AMEL SAKHI MASOUD; Kamalian Mohsen

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Journal: JOURNAL OF ENGINEERING GEOLOGY Year:2018 | Volume:12 | Issue:5 (supp.) Page(s): 31-54

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Information Journal Paper

Title

Study of Loose Soil Layer Effects on Excavations Supported by Steel Sheet Pile Walls-A Numerical Study

Author(s)

AHMADPOUR BEHROUZ | AMEL SAKHI MASOUD | Kamalian Mohsen | Issue Writer Certificate

Keywords

ExcavationQ1

sheet pilingQ1

loose layerQ1

strutQ1

Abstract

Steel sheet pile walls are being widely used as earth retaining systems. Sometimes loose or soft soil layers are located in various depths in an Excavation. This issue causes different effects on ground surface displacements, forces and moments acting on sheet piles and struts during Excavation procedure, compared with a status that soil is totally uniform. These differences are not exactly considered in conventional design methods of sheet pile walls. In this paper, a deep Excavation using finite element method is analyzed. Excavation’ s depth is divided into three different layers. One of three layers is a loose soil layer and its position is modeled in three different situations, top, middle and bottom of the model. Obtained results are compared with results of Excavation without the loose layer. The pseudo-static analysis is performed by applying 0. 3g horizontal acceleration. The results indicate that when a loose layer is located beneath stiffer layers, bending moments acting on sheet pile wall and shear forces increase about (50~100)% and (15~50)%, respectively. Also, the middle loose layer changes the location of maximum lateral deformation of steel sheet pile wall.

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APA: Copy

AHMADPOUR, BEHROUZ, AMEL SAKHI, MASOUD, & Kamalian, Mohsen. (2018). Study of Loose Soil Layer Effects on Excavations Supported by Steel Sheet Pile Walls-A Numerical Study. JOURNAL OF ENGINEERING GEOLOGY, 12(5 (supp.) ), 31-54. SID. https://sid.ir/paper/186324/en

Vancouver: Copy

AHMADPOUR BEHROUZ, AMEL SAKHI MASOUD, Kamalian Mohsen. Study of Loose Soil Layer Effects on Excavations Supported by Steel Sheet Pile Walls-A Numerical Study. JOURNAL OF ENGINEERING GEOLOGY[Internet]. 2018;12(5 (supp.) ):31-54. Available from: https://sid.ir/paper/186324/en

IEEE: Copy

BEHROUZ AHMADPOUR, MASOUD AMEL SAKHI, and Mohsen Kamalian, “Study of Loose Soil Layer Effects on Excavations Supported by Steel Sheet Pile Walls-A Numerical Study,” JOURNAL OF ENGINEERING GEOLOGY, vol. 12, no. 5 (supp.) , pp. 31–54, 2018, [Online]. Available: https://sid.ir/paper/186324/en

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