Geomechanics and Engineering

  • 제11권2호
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  • Pages.211-234
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  • 2016
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  • 2005-307X(pISSN)
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  • 2092-6219(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Characterization and uncertainty of uplift load-displacement behaviour of belled piers

  • 투고 : 2015.02.12
  • 심사 : 2016.04.27
  • 발행 : 2016.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

A total of 99 full-scale field load tests at 22 sites were compiled for this study to elucidate several issues related to the load-displacement behaviour of belled piers under axial uplift loading, including (1) interpretation criteria to define various elastic, inelastic, and "failure" states for each load test from the load-displacement curve; (2) generalized correlations among these states and determinations to the predicted ultimate uplift resistances; (3) uncertainty in the resistance model factor statistics required for reliability-based ultimate limit state (ULS) design; (4) uncertainty associated with the normalized load-displacement curves and the resulting model factor statistics required for reliability-based serviceability limit state (SLS) design; and (5) variations of the combined ULS and SLS model factor statistics for reliability-based limit state designs. The approaches discussed in this study are practical and grounded realistically on the load tests of belled piers with minimal assumptions. The results on the characterization and uncertainty of uplift load-displacement behaviour of belled piers could be served as to extend the early contributions for reliability-based ULS and SLS designs.

키워드

과제정보

연구 과제 주관 기관 : National Natural Science Foundation of China, State Grid Corporation of China

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피인용 문헌

  1. Closure to “Discussion of ‘Axial Uplift Behavior of Belled Piers in Sloping Ground’ by F. A. B. Danziger, C. Pereira Pinto, A. P. Ruffier, and M. P. Pacheco” vol.42, pp.2, 2018, https://doi.org/10.1520/GTJ20180048
  2. Comparative Field Tests on Straight-Sided and Belled Piers on Sloping Ground under Combined Uplift and Lateral Loads vol.145, pp.1, 2019, https://doi.org/10.1061/(ASCE)GT.1943-5606.0001991
  3. Estimating the Uplift Bearing Capacity of Belled Piers Adjacent to Sloping Ground by Numerical Modeling Based on Field Tests vol.2020, pp.None, 2016, https://doi.org/10.1155/2020/1647197
  4. Uplift Bearing Capacity of Cone-Cylinder Foundation for Transmission Line in Frozen Soil Regions, Using Reduced-Scale Model Tests and Numerical Simulations vol.13, pp.8, 2020, https://doi.org/10.3390/en13082066
  5. Compression Load Tests on Composite Foundations of Spread Footing Anchored by Helical Anchors vol.2021, pp.None, 2016, https://doi.org/10.1155/2021/5531380