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A Shinso pile/foundation is an alternative construction approach to construct large-diameter deep foundations or caissons. Though this technique has been in practice for more than 30 years, in India, Shinso foundations were recently constructed as part of the bullet train project (Ahmedabad–Mumbai corridor). The present paper highlights this novel construction technique and documents some key learning to obtain success in typical Indian subsoil conditions. The design of Shinso foundations is very similar to caissons where prime foundation resistance is from end bearing. Having diameters ranging from 9 to 15 m and depths ranging from 15 to 25 m, Shinso foundation construction poses special challenges compared to conventional and popular well foundations. However, more indigenous improvement would make this construction approach better fit in certain ground conditions. The present paper also highlights a few engineering insights obtained from some of the executed foundations. It also documents execution-associated difficulties in challenging Indian site conditions.

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Shinso Pile—A Special Deep Foundation Construction Technique—Case Study of Bullet Train Project in India

  • 会议论文

  • 发表日期：

    2025年

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  • Mohit Mistry,
  • Jaykumar Shukla,
  • Kaushal Singh

摘要

A Shinso pile/foundation is an alternative construction approach to construct large-diameter deep foundations or caissons. Though this technique has been in practice for more than 30 years, in India, Shinso foundations were recently constructed as part of the bullet train project (Ahmedabad–Mumbai corridor). The present paper highlights this novel construction technique and documents some key learning to obtain success in typical Indian subsoil conditions. The design of Shinso foundations is very similar to caissons where prime foundation resistance is from end bearing. Having diameters ranging from 9 to 15 m and depths ranging from 15 to 25 m, Shinso foundation construction poses special challenges compared to conventional and popular well foundations. However, more indigenous improvement would make this construction approach better fit in certain ground conditions. The present paper also highlights a few engineering insights obtained from some of the executed foundations. It also documents execution-associated difficulties in challenging Indian site conditions.