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Concrete bored piles or drilled shafts are usually designed with a uniform cross-section and assume they are vertical. Due to their inherent nature of the installation, there are uncertainties in excavated pile profile and verticality, and specifications worldwide allow certain tolerances for verticality. The paper describes a tool available in the market to measure shaft verticality and profile and provides an insight into the measurements’ theory, its applications, limitations, and acceptance criterion based on IS:2911 and some of the other codes worldwide. Two case studies in India indicate the capabilities and future potential of the measurements. A third case study from the United States describes the results of measurements on a shaft, compared with other measurements of pile integrity.

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Assessment of Pile Verticality and Pile Profile Using Shaft Area Profile Evaluator (SHAPE)

  • 会议论文

  • 发表日期：

    2025年

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  • Brent Robinson,
  • Ravikiran Vaidya,
  • Sujan Kulkarni

摘要

Concrete bored piles or drilled shafts are usually designed with a uniform cross-section and assume they are vertical. Due to their inherent nature of the installation, there are uncertainties in excavated pile profile and verticality, and specifications worldwide allow certain tolerances for verticality. The paper describes a tool available in the market to measure shaft verticality and profile and provides an insight into the measurements’ theory, its applications, limitations, and acceptance criterion based on IS:2911 and some of the other codes worldwide. Two case studies in India indicate the capabilities and future potential of the measurements. A third case study from the United States describes the results of measurements on a shaft, compared with other measurements of pile integrity.