Experimental study of time-dependent deformation of the wall deformation Nailing during excavation operations

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Koohestani Asbagh Soo Sima; BOLOURI BAZAZ JAFAR; Abdollahi Mahmood

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Journal Paper

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Journal: ENGINEERING GEOLOGY Year:2021 | Volume:14 | Issue:2 Page(s): 59-77

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Information Journal Paper

Title

Experimental study of time-dependent deformation of the wall deformation Nailing during excavation operations

Author(s)

Koohestani Asbagh Soo Sima | BOLOURI BAZAZ JAFAR | Abdollahi Mahmood | Issue Writer Certificate

Keywords

experimental study

Ground settlement

Nailing

Time-dependent deflections

Wall deflection

Abstract

Today, with the cities expansion and population growth, the need for high-rise buildings and deep excavations for their implementation is increasingly felt. Under constant loading conditions, soil undergoes deformations over time which is called time-dependent deformations. This is of particular importance in terms of safety in the long run. In this study, based on the physical modelling technique, the long term behaviour of stabilized deep excavation in silty sand, using the Nailing method, has been investigated. The test results indicated that with increasing the depth of excavation the lateral displacements, the surface settlements behind the excavation wall and also the Time-dependent deflections increase as well. In addition, if the excavation operation is brought to a temporary halt or is led to the abandonment, it results in a significant increase in the Time-dependent deflections. Finally, the recorded data revealed that the rate of the experienced deformations over time decreases which is due to the gradual mobilization of forces in the nails.

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APA: Copy

Koohestani Asbagh Soo, Sima, BOLOURI BAZAZ, JAFAR, & Abdollahi, Mahmood. (2021). Experimental study of time-dependent deformation of the wall deformation Nailing during excavation operations. ENGINEERING GEOLOGY, 14(2 ), 59-77. SID. https://sid.ir/paper/959114/en

Vancouver: Copy

Koohestani Asbagh Soo Sima, BOLOURI BAZAZ JAFAR, Abdollahi Mahmood. Experimental study of time-dependent deformation of the wall deformation Nailing during excavation operations. ENGINEERING GEOLOGY[Internet]. 2021;14(2 ):59-77. Available from: https://sid.ir/paper/959114/en

IEEE: Copy

Sima Koohestani Asbagh Soo, JAFAR BOLOURI BAZAZ, and Mahmood Abdollahi, “Experimental study of time-dependent deformation of the wall deformation Nailing during excavation operations,” ENGINEERING GEOLOGY, vol. 14, no. 2 , pp. 59–77, 2021, [Online]. Available: https://sid.ir/paper/959114/en

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