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9 September 2019 Experimental Study on Effecting of Water Content of Fine-Silt Soil for Uplift Failure Mechanism of CEP Pile Applied for Oceanographic Engineering
Yongmei Qian, Chao Lin, Xinsheng Yin, Ruozhu Wang
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Abstract

Qian, Y.-M.; Lin, C.; Yin, X.-S., and Wang, R.-Z., 2019. Experimental study on effecting of water content of fine-silt soil for uplift failure mechanism of CEP pile applied for oceanographic engineering. In: Gong, D.; Zhu, H., and Liu, R. (eds.), Selected Topics in Coastal Research: Engineering, Industry, Economy, and Sustainable Development. Journal of Coastal Research, Special Issue No. 94, pp. 243–248. Coconut Creek (Florida), ISSN 0749-0208.

The concrete expanded-plate pile (The CEP pile) is a kind of pile suit to oceanographic engineering because of the highest bearing capacity for uplift and overturning resistance, this paper aims to study the stress state of CEP pile in fine silt soil. To this end, with the water content of fine silt soil as one single variable, the small-model soil embedded test of half-section pile was conducted to observe the failure state of the surrounding soil under the vertical tension, and then to confirm the calculation method of single-pile ultimate uplift bearing capacity. By comparing the test model with finite element model, this paper also discusses both calculation modes of punch failure and sliding failure, explores the calculation method of CEP single-pile ultimate bearing capacity under constraints or no constraints on the surface of soil sampling device, and further makes modifications to the related formula of ultimate bearing capacity.

©Coastal Education and Research Foundation, Inc. 2019
Yongmei Qian, Chao Lin, Xinsheng Yin, and Ruozhu Wang "Experimental Study on Effecting of Water Content of Fine-Silt Soil for Uplift Failure Mechanism of CEP Pile Applied for Oceanographic Engineering," Journal of Coastal Research 94(sp1), 243-248, (9 September 2019). https://doi.org/10.2112/SI94-051.1
Received: 9 February 2019; Accepted: 12 March 2019; Published: 9 September 2019
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KEYWORDS
ANSYS infinite element
fine silt
The concrete expanded-plate pile (the CEP pile)
uplift bearing capacity
water content
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