초록

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Abstract ▼ AI-Helper

As the structures become larger and the environmental criterions become strict, the constructions of drilled shaft are increasing. So, the reasonable method for estimating bearing capacity of drilled shaft is needed. For the development of the method, in this study, the load transfer function method...

As the structures become larger and the environmental criterions become strict, the constructions of drilled shaft are increasing. So, the reasonable method for estimating bearing capacity of drilled shaft is needed. For the development of the method, in this study, the load transfer function method which is one of the settlement analysis of pile is selected and the load transfer curves using in this method are investigated. The load tests on 6 drilled shafts are executed and various load transfer curves are acquired from the tests. These curves are classified by soil types and the shapes of the curves are analyzed for the development of load transfer functions. And the comparisons of theoretical values and in-situ test values are executed for the determination of maximum bearing capacity. From the results of the study, the load transfer function for each soil type is developed and, for the estimation of maximum skin frictions, it is founded that the values predicted from the methods of Meyerhof (1976) and Reese and Wright (1977) for weathered soils, Meyerhof (1976) for weathered rocks are similar to in-situ test values.

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