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Finite Element Analysis of Shallow Foundation Settelment in Cohesionless Soils

Received: 30 July 2022     Accepted: 4 October 2022     Published: 24 October 2022
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Abstract

Extreme settlement can lead to serviceability complications during shallow foundations design. Since Settlement controls the principle design criterion when it is related to the bearing capacity of soils, the estimation of shallow foundation settlement above loose sandy soils is a highly complex problem. For important structures such as bridges, power plants and earth dams, etc. settlement has to be reduced to ensure the stability of engineering structure, with another word any additional settlement could lead to successive structural damage when it exceeds the allowable. In this a model of (10×10×10) m with loose sand was used to investigate the effect of shallow various parameters by using PLAXIS 3D program which was used to solve many geotechnical problems. The program has been used to investigate effect (applied load intensity 100, 150, 200 KN, shape (circular square), width of foundations (0.75, 1, 1.5) m, internal friction angle of underlying soil (24, 33, 37) degree and effect water tables existence beneath the foundation). It was concluded that the shape, friction angle, modules of elasticity with was estimated based on a relationship which showed a good match with other available relationships predicted by powells and Water table existence which it doubles the settlement as it exist. Based on test results critical values were discussed and recommended.

Published in American Journal of Civil Engineering (Volume 10, Issue 5)
DOI 10.11648/j.ajce.20221005.14
Page(s) 201-212
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

Numerical Modelling, Plaxis 3D, Elastic Settlement, Foundation Shape, Applied Load Intensity

References
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Cite This Article
  • APA Style

    Hind Nadhum Raheem. (2022). Finite Element Analysis of Shallow Foundation Settelment in Cohesionless Soils. American Journal of Civil Engineering, 10(5), 201-212. https://doi.org/10.11648/j.ajce.20221005.14

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    ACS Style

    Hind Nadhum Raheem. Finite Element Analysis of Shallow Foundation Settelment in Cohesionless Soils. Am. J. Civ. Eng. 2022, 10(5), 201-212. doi: 10.11648/j.ajce.20221005.14

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    AMA Style

    Hind Nadhum Raheem. Finite Element Analysis of Shallow Foundation Settelment in Cohesionless Soils. Am J Civ Eng. 2022;10(5):201-212. doi: 10.11648/j.ajce.20221005.14

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  • @article{10.11648/j.ajce.20221005.14,
      author = {Hind Nadhum Raheem},
      title = {Finite Element Analysis of Shallow Foundation Settelment in Cohesionless Soils},
      journal = {American Journal of Civil Engineering},
      volume = {10},
      number = {5},
      pages = {201-212},
      doi = {10.11648/j.ajce.20221005.14},
      url = {https://doi.org/10.11648/j.ajce.20221005.14},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajce.20221005.14},
      abstract = {Extreme settlement can lead to serviceability complications during shallow foundations design. Since Settlement controls the principle design criterion when it is related to the bearing capacity of soils, the estimation of shallow foundation settlement above loose sandy soils is a highly complex problem. For important structures such as bridges, power plants and earth dams, etc. settlement has to be reduced to ensure the stability of engineering structure, with another word any additional settlement could lead to successive structural damage when it exceeds the allowable. In this a model of (10×10×10) m with loose sand was used to investigate the effect of shallow various parameters by using PLAXIS 3D program which was used to solve many geotechnical problems. The program has been used to investigate effect (applied load intensity 100, 150, 200 KN, shape (circular square), width of foundations (0.75, 1, 1.5) m, internal friction angle of underlying soil (24, 33, 37) degree and effect water tables existence beneath the foundation). It was concluded that the shape, friction angle, modules of elasticity with was estimated based on a relationship which showed a good match with other available relationships predicted by powells and Water table existence which it doubles the settlement as it exist. Based on test results critical values were discussed and recommended.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Finite Element Analysis of Shallow Foundation Settelment in Cohesionless Soils
    AU  - Hind Nadhum Raheem
    Y1  - 2022/10/24
    PY  - 2022
    N1  - https://doi.org/10.11648/j.ajce.20221005.14
    DO  - 10.11648/j.ajce.20221005.14
    T2  - American Journal of Civil Engineering
    JF  - American Journal of Civil Engineering
    JO  - American Journal of Civil Engineering
    SP  - 201
    EP  - 212
    PB  - Science Publishing Group
    SN  - 2330-8737
    UR  - https://doi.org/10.11648/j.ajce.20221005.14
    AB  - Extreme settlement can lead to serviceability complications during shallow foundations design. Since Settlement controls the principle design criterion when it is related to the bearing capacity of soils, the estimation of shallow foundation settlement above loose sandy soils is a highly complex problem. For important structures such as bridges, power plants and earth dams, etc. settlement has to be reduced to ensure the stability of engineering structure, with another word any additional settlement could lead to successive structural damage when it exceeds the allowable. In this a model of (10×10×10) m with loose sand was used to investigate the effect of shallow various parameters by using PLAXIS 3D program which was used to solve many geotechnical problems. The program has been used to investigate effect (applied load intensity 100, 150, 200 KN, shape (circular square), width of foundations (0.75, 1, 1.5) m, internal friction angle of underlying soil (24, 33, 37) degree and effect water tables existence beneath the foundation). It was concluded that the shape, friction angle, modules of elasticity with was estimated based on a relationship which showed a good match with other available relationships predicted by powells and Water table existence which it doubles the settlement as it exist. Based on test results critical values were discussed and recommended.
    VL  - 10
    IS  - 5
    ER  - 

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Author Information
  • Civil Engineering Department, Factually of Engineering, University of Kufa, Najaf, Iraq

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