Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Evaluation of Compression Tip Capacity for Drilled Shafts
This study examines representative analytical models to evaluate the tip capacity of drilled shaft foundations under axial compression loading. To ensure a reliable analysis, a wide variety of compression load test data were used for this purpose. Thereafter, these data were divided into drained and undrained databases based on the soil conditions along the shaft tip. For the evaluation of the bearing capacity theory, the predicted and measured results for undrained soils are reasonably consistent. However, the results showed that the predicted model greatly overestimates the tip capacity for drained soils. On the average, the measured capacity of the drained soils is about 10–20% of the predicted theory model under tolerable settlement. The possible influence factors are discussed and a simple suggested correction factor for shaft length is proposed. For the empirical method, the relationships between tip capacity and standard penetration test are directly developed from the measured results.
Evaluation of Compression Tip Capacity for Drilled Shafts
This study examines representative analytical models to evaluate the tip capacity of drilled shaft foundations under axial compression loading. To ensure a reliable analysis, a wide variety of compression load test data were used for this purpose. Thereafter, these data were divided into drained and undrained databases based on the soil conditions along the shaft tip. For the evaluation of the bearing capacity theory, the predicted and measured results for undrained soils are reasonably consistent. However, the results showed that the predicted model greatly overestimates the tip capacity for drained soils. On the average, the measured capacity of the drained soils is about 10–20% of the predicted theory model under tolerable settlement. The possible influence factors are discussed and a simple suggested correction factor for shaft length is proposed. For the empirical method, the relationships between tip capacity and standard penetration test are directly developed from the measured results.
Evaluation of Compression Tip Capacity for Drilled Shafts
Chen, Yit-Jin (Autor:in) / Fang, Yi-Chung (Autor:in) / Chu, Tsu-Hung (Autor:in)
International Foundation Congress and Equipment Expo 2009 ; 2009 ; Orlando, Florida, United States
10.03.2009
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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