Production Thematic Maps of Bearing Capacity of Shallow Foundation for Al-Basrah Soil Using Standard Penetration Data and GIS

Document Type : Regular Paper

Authors

1 Civil Engineering Department, Al-Furat Al-Awsat University, Babylon, Iraq

2 Surveying Engineering Department, University of Baghdad, Baghdad, Iraq

3 Civil Engineering Department, University of Basrah, Basrah, Iraq

4 Civil Engineering Department, Bilad Al-Rafidian University College, Baqubah, Iraq

5 Civil Engineering Department, University of Baghdad, Baghdad, Iraq

6 Terra Motion Limited, Nottingham, United Kingdom

Abstract

The Geographic Information System (GIS) is one of the modern database software which is used to collect, analyze, display, processing and produce geographic information maps for a specific objective. In addition, a statistical analysis can be generated within GIS on specific data to produce quantitative results. In this study, the GIS utilized to produce thematic maps showing the variation of bearing capacity of shallow foundation in Al-Basrah province soil. All the features mentioned above illustrate the importance of GIS exploring more valuable results such as the bearing capacity of shallow foundation from the results of standard penetration tests (SPT) conducted in Al-Basrah province soil. The total number of boreholes drilled was 135 distributed irregularly in the study area. In each borehole, three SPTs were performed at depths of 1.5, 6, and 9.5 m measured from the existing ground level (EGL). The results of the study can be summarized by the production of thematic maps showing the variation of the bearing capacity of the soil over the whole area of Al-Basrah city correlated with several depths. These maps can be used by different local authorities to predict soil bearing capacity and choose a suitable type of foundation. In addition, it can be utilized to assess the foundations of existing and irregularly constructed buildings and to assess the extent of the risks of failure and collapse.

Keywords

Main Subjects

References

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History

  • Receive Date: 15 July 2022
  • Revise Date: 23 November 2022
  • Accept Date: 26 March 2023

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