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On-line Access: 2022-08-22

Received: 2021-11-16

Revision Accepted: 2022-05-10

Crosschecked: 2022-08-30

Cited: 0

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Citations:  Bibtex RefMan EndNote GB/T7714


Xiao-wu TANG


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Journal of Zhejiang University SCIENCE A 2022 Vol.23 No.8 P.639-651


Experimental study of the bearing capacity of a drainage pipe pile under vacuum consolidation

Author(s):  Xiao-wu TANG, Wei-kang LIN, Yuan ZOU, Jia-xin LIANG, Wen-fang ZHAO

Affiliation(s):  Research Center of Coastal and Urban Geotechnical Engineering, Department of Civil Engineering, Zhejiang University, Hangzhou 310058, China; more

Corresponding email(s):   tangxiaowu@zju.edu.cn

Key Words:  Drainage pipe pile, Soft soil, Consolidation, Bearing capacity, Foundation treatment

Xiao-wu TANG, Wei-kang LIN, Yuan ZOU, Jia-xin LIANG, Wen-fang ZHAO. Experimental study of the bearing capacity of a drainage pipe pile under vacuum consolidation[J]. Journal of Zhejiang University Science A, 2022, 23(8): 639-651.

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author="Xiao-wu TANG, Wei-kang LIN, Yuan ZOU, Jia-xin LIANG, Wen-fang ZHAO",
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publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Experimental study of the bearing capacity of a drainage pipe pile under vacuum consolidation
%A Xiao-wu TANG
%A Wei-kang LIN
%A Yuan ZOU
%A Jia-xin LIANG
%A Wen-fang ZHAO
%J Journal of Zhejiang University SCIENCE A
%V 23
%N 8
%P 639-651
%@ 1673-565X
%D 2022
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2100585

T1 - Experimental study of the bearing capacity of a drainage pipe pile under vacuum consolidation
A1 - Xiao-wu TANG
A1 - Wei-kang LIN
A1 - Yuan ZOU
A1 - Jia-xin LIANG
A1 - Wen-fang ZHAO
J0 - Journal of Zhejiang University Science A
VL - 23
IS - 8
SP - 639
EP - 651
%@ 1673-565X
Y1 - 2022
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A2100585

In this study, we propose a drainage pipe pile under vacuum consolidation to integrate foundation treatment and pile foundation engineering in soft soil areas. To study its bearing capacity characteristics and foundation treatment performance, single pile static load tests, vane shear tests, and water content tests were carried out for ordinary piles, perforated piles, and drainage pipe piles under conditions of static and vacuum consolidation. Based on the results, the concept of strong and weak reinforcement areas was proposed and used for bearing capacity prediction. The results showed that the drainage pipe pile did not become silted under vacuum consolidation. The single pile bearing capacity was much higher than that of an ordinary pile, and the pile side friction was exerted mainly in the middle and lower parts. Good results were achieved using the shear strength at the junction of the strong and weak reinforcement areas to estimate the ultimate bearing capacity of a single pile. This study provided important insights into the design and construction of drainage pipe piles in a soft soil foundation.




Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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