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Empirical formulas for shear wave velocity prediction and their uncertainties: a case study of thirteen alluvium test sites in the Taipei Basin
https://orcid.org/0000-0002-8714-4888
Abstract This paper examines the performance of shear wave velocity-standard penetration test ($ V_{S} $-SPT) models and shear wave velocity-piezocone penetration test ($ V_{S} $-CPTU) models developed in the literature and evaluates their transformation variabilities based on $ V_{S} $-SPT-CPTU datasets collected from thirteen alluvium sites in the Taipei Basin, Taiwan. These data show that $ V_{S} $ is strongly correlated with the depth of soil (D) whereas it is weakly correlated with SPT-N or CPT-$ q_{c} $, which indicates that most of the transformation models in the literature are unsuitable to these sites since they are usually formulated without soil depth. Thus, $ V_{S} $-SPT and $ V_{S} $-CPTU empirical formulas and their transformation uncertainties for these sites in the Taipei Basin are re-calibrated in this paper, and they perform more unbiased with lower variability as shown in this paper, which indicates they provide a suitable approach to those sites for $ V_{S} $ prediction. Finally, the application of these re-characterized models on $ V_{S30} $ prediction is demonstrated with a practical example.
Empirical formulas for shear wave velocity prediction and their uncertainties: a case study of thirteen alluvium test sites in the Taipei Basin
https://orcid.org/0000-0002-8714-4888
Abstract This paper examines the performance of shear wave velocity-standard penetration test ($ V_{S} $-SPT) models and shear wave velocity-piezocone penetration test ($ V_{S} $-CPTU) models developed in the literature and evaluates their transformation variabilities based on $ V_{S} $-SPT-CPTU datasets collected from thirteen alluvium sites in the Taipei Basin, Taiwan. These data show that $ V_{S} $ is strongly correlated with the depth of soil (D) whereas it is weakly correlated with SPT-N or CPT-$ q_{c} $, which indicates that most of the transformation models in the literature are unsuitable to these sites since they are usually formulated without soil depth. Thus, $ V_{S} $-SPT and $ V_{S} $-CPTU empirical formulas and their transformation uncertainties for these sites in the Taipei Basin are re-calibrated in this paper, and they perform more unbiased with lower variability as shown in this paper, which indicates they provide a suitable approach to those sites for $ V_{S} $ prediction. Finally, the application of these re-characterized models on $ V_{S30} $ prediction is demonstrated with a practical example.
Empirical formulas for shear wave velocity prediction and their uncertainties: a case study of thirteen alluvium test sites in the Taipei Basin
https://orcid.org/0000-0002-8714-4888
Abstract This paper examines the performance of shear wave velocity-standard penetration test ($ V_{S} $-SPT) models and shear wave velocity-piezocone penetration test ($ V_{S} $-CPTU) models developed in the literature and evaluates their transformation variabilities based on $ V_{S} $-SPT-CPTU datasets collected from thirteen alluvium sites in the Taipei Basin, Taiwan. These data show that $ V_{S} $ is strongly correlated with the depth of soil (D) whereas it is weakly correlated with SPT-N or CPT-$ q_{c} $, which indicates that most of the transformation models in the literature are unsuitable to these sites since they are usually formulated without soil depth. Thus, $ V_{S} $-SPT and $ V_{S} $-CPTU empirical formulas and their transformation uncertainties for these sites in the Taipei Basin are re-calibrated in this paper, and they perform more unbiased with lower variability as shown in this paper, which indicates they provide a suitable approach to those sites for $ V_{S} $ prediction. Finally, the application of these re-characterized models on $ V_{S30} $ prediction is demonstrated with a practical example.
Empirical formulas for shear wave velocity prediction and their uncertainties: a case study of thirteen alluvium test sites in the Taipei Basin
Wang, Jiun-Shiang (author) / Hwang, Jin-Hung (author) / Lu, Chih-Chieh (author) / Deng, Yuan-Chang (author)
2022
Article (Journal)
Electronic Resource
English
BKL:
56.00$jBauwesen: Allgemeines
/
38.58
Geomechanik
/
38.58$jGeomechanik
/
56.20
Ingenieurgeologie, Bodenmechanik
/
56.00
Bauwesen: Allgemeines
/
56.20$jIngenieurgeologie$jBodenmechanik
RVK:
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