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Journal of Polymer & Composites Original Research Special issue Open Access

Behavior of SFRC composite pile resting on sloping ground of cohesive and non-cohesive strata

  1. Aman Tiwari Department of Civil Engineering, Maulana Azad National Institute of Technology
  2. Suneet Kaur Department of civil engineering, Maulana Azad National Institute of Technology,
  3. Nitin Dindorkar Department of civil engineering, Maulana Azad National Institute of Technology

Abstract

Reinforced concrete piles are increasingly being utilized in situations where there is a need to transfer loads in deep strata, particularly for infrastructure projects built on sloping grounds. The present study comprises a finite element analysis (FEA) to investigate the lateral load-bearing capacity of steel fiber reinforced concrete (SFRC) pile, embedded in sloping grounds with sandy and clayey soils. The lateral load capacity of the steel fiber reinforced concrete pile is determined by analyzing the displacement and load transfer behaviour under lateral loads for both soil types. The FEA results are first validated against available experimental data on fiber reinforced concrete piles. The analysis provides insights into the pile-soil interaction and the factors affecting the lateral load capacity of the SFRC pile. The FEA results can be used to improve the design and construction of reinforced concrete pile foundations for various engineering applications on sloping grounds. The lateral load capacity of the SFRC pile is evaluated for various inclinations of the slope at three different locations along the slope. The changes in lateral load capacity for the different locations are explained in terms of percentage and relative changes for different soil profiles. The lateral load capacity for piles in cohesive soil is found to be 40–50% higher compared to non-cohesive soil. With an increase in ground slope from 30 to 60 degrees, the load capacity of the steel fiber reinforced concrete pile is observed to decrease by approximately 25%.

Keywords

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