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- 저자 : Neatha Chim (검색결과 1 건)
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Prediction of Uplift Capacity of a Micropile Embedded in Soil
홍원표,Neatha Chim 대한토목학회 2015 KSCE JOURNAL OF CIVIL ENGINEERING Vol.19 No.1
An analytical approach was performed to predict the uplift capacity of a micropile embedded in soil on the basis of the failuresurface generated inside the soil mass around a micropile. The failure surface rises from the critical embedded depth of the micropileand has an angle equal to half of the internal friction angle of soil to the vertical. To investigate the failure surface, image of soildeformation was captured from a model test on a panel embedded in soil. The analytical approach to uplift capacity could evaluatethe effect of parameters related to the properties of both the micropile and soil such as the embedded length, the diameter and surfaceroughness of the micropile, and the shear strength parameters of the soil. A series of model tests were conducted on a micropile toverify the applicability of the analytical approach in actual practice. Furthermore, to increase the reliability of the analytical approach,the predicted uplift capacity was compared with experimental results previously presented in the literature. The predicted upliftcapacity of the micropile shows practically good agreement with the experimental results of the model tests. Moreover, the predicteduplift capacity has good agreement with previous experimental results.
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