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EFFECT OF LIQUEFIABLE BACKFILL SOIL ON DYNAMIC PERFORMANCE OF ANCHORED DIAPHRAGM WALLS – A NUMERICAL STUDY

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 19
Year: 2019
COI code: SEE08_060
Paper Language: English

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Authors EFFECT OF LIQUEFIABLE BACKFILL SOIL ON DYNAMIC PERFORMANCE OF ANCHORED DIAPHRAGM WALLS – A NUMERICAL STUDY

  Babak Ebrahimian - Faculty of Civil, Water and Environmental Engineering, Shahid Beheshti University (SBU), Tehran, Iran
  Saeed Bahmani - Faculty of Civil, Water and Environmental Engineering, Shahid Beheshti University (SBU), Tehran, Iran

Abstract:

Past strong earthquakes like Niigata (1964), Kushiro-Oki (1993) and Kobe (1995) have shown that quay walls are so vulnerable during earthquakes. The main severe damages are due to existence of loose liquefiable soil layer behind the wall. In this paper, a numerical model is firstly developed and calibrated, and then numerical simulations are carried out using finite difference method and a non-linear UBCSAND model to evaluate the effect of liquefiable backfill soil on dynamic response of anchored quay wall system. The obtained results show the presence of liquefiable soil layer at vicinity of main wall head increases horizontal and vertical displacements of main wall head. Also, the existence of liquefiable soil layer around the main wall root increases the horizontal displacement of main wall root and embedment failure mode can occur

Keywords:

Anchored diaphragm wall, liquefaction, non-linearity, dynamic analysis, deformation mechanism

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COI code: SEE08_060

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Ebrahimian, Babak & Saeed Bahmani, 2019, EFFECT OF LIQUEFIABLE BACKFILL SOIL ON DYNAMIC PERFORMANCE OF ANCHORED DIAPHRAGM WALLS – A NUMERICAL STUDY, 8th International Conference on Seismology and Earthquake Engineering, تهران, پژوهشگاه بين‌المللي زلزله‌شناسي و مهندسي زلزله, https://www.civilica.com/Paper-SEE08-SEE08_060.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.: 16739
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