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Preliminary communication
https://doi.org/10.17559/TV-20191015160654

A New Load Transfer Model of Skin Friction for Super-long Pile Under Axially Load

Xu Xu ; School of Mechanics and Engineering Science, Shanghai University, No. 99, Shangda Road, Shanghai 200444, P. R. China
Jingjing Xu ; School of Mechanics and Engineering Science, Shanghai University, No. 99, Shangda Road, Shanghai 200444, P. R. China
Wenjuan Yao* ; School of Mechanics and Engineering Science, Institute of Applied Mathematics and Mechanics, Shanghai University, No. 99, Shangda Road, Shanghai 200444, P. R. China
Tingchen Fang ; Shanghai Construction Group Co., Ltd., No. 666, East Daming Road, Hongkou District, Shanghai 200082, P. R. China

Fulltext: english, pdf (921 KB) pages 1000-1007 downloads: 58* cite
APA 6th Edition
Xu, X., Xu, J., Yao*, W. & Fang, T. (2021). A New Load Transfer Model of Skin Friction for Super-long Pile Under Axially Load. Tehnički vjesnik, 28 (3), 1000-1007. https://doi.org/10.17559/TV-20191015160654
MLA 8th Edition
Xu, Xu, et al. "A New Load Transfer Model of Skin Friction for Super-long Pile Under Axially Load." Tehnički vjesnik, vol. 28, no. 3, 2021, pp. 1000-1007. https://doi.org/10.17559/TV-20191015160654. Accessed 23 Oct. 2021.
Chicago 17th Edition
Xu, Xu, Jingjing Xu, Wenjuan Yao* and Tingchen Fang. "A New Load Transfer Model of Skin Friction for Super-long Pile Under Axially Load." Tehnički vjesnik 28, no. 3 (2021): 1000-1007. https://doi.org/10.17559/TV-20191015160654
Harvard
Xu, X., et al. (2021). 'A New Load Transfer Model of Skin Friction for Super-long Pile Under Axially Load', Tehnički vjesnik, 28(3), pp. 1000-1007. https://doi.org/10.17559/TV-20191015160654
Vancouver
Xu X, Xu J, Yao* W, Fang T. A New Load Transfer Model of Skin Friction for Super-long Pile Under Axially Load. Tehnički vjesnik [Internet]. 2021 [cited 2021 October 23];28(3):1000-1007. https://doi.org/10.17559/TV-20191015160654
IEEE
X. Xu, J. Xu, W. Yao* and T. Fang, "A New Load Transfer Model of Skin Friction for Super-long Pile Under Axially Load", Tehnički vjesnik, vol.28, no. 3, pp. 1000-1007, 2021. [Online]. https://doi.org/10.17559/TV-20191015160654

Abstracts
In present investigation, a new load transfer model was proposed, in which the softening and strengthening of super-long pile skin friction was considered. The influence of parameters variation on the softening load transfer model was discussed in detail. The load transfer model proposed was verified by engineering results. The nonlinear iterative calculation method of the super-long piles was improved with considering the nonlinear compression model of concrete and the weight of the pile body. Comparing calculation results and the engineering measured data, it demonstrates that the relationship between pile skin friction and the relative displacement and the settlement results are generally in good agreement with the practical engineering results. The skin friction of super-long piles increases with the increase of the depth, while decreases with the increase of the depth near the end of the pile and it has an obvious downward trend. As the load continues to increase, the skin friction near the pile end increases significantly and shows a gradual expansion of the pattern. It completely reflects the softening and strengthening properties of pile skin friction.

Keywords
iterative method; load transfer model; softening of skin friction; strengthening model; super-long pile

Hrčak ID: 258233

URI
https://hrcak.srce.hr/258233

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