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Cited 2 time in webofscience Cited 2 time in scopus
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Effect of Slime on Engineering Characteristics of Large-Diameter Cast-in-Place Pile

Authors
Heo, OngYoon, YeowonDo, Jinung
Issue Date
Jan-2022
Publisher
KOREAN SOCIETY OF CIVIL ENGINEERS-KSCE
Keywords
Slime; Large-diameter pile; Cast-in-place pile; Uniaxial compressive test; Bi-directional load test; Numerical analysis
Citation
KSCE JOURNAL OF CIVIL ENGINEERING, v.26, no.1, pp 88 - 95
Pages
8
Indexed
SCIE
SCOPUS
KCI
Journal Title
KSCE JOURNAL OF CIVIL ENGINEERING
Volume
26
Number
1
Start Page
88
End Page
95
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/1772
DOI
10.1007/s12205-021-0343-z
ISSN
1226-7988
1976-3808
Abstract
Slime forms at the bottom of boreholes under the effect of groundwater. The larger the borehole, the more the slime. The demand for large-diameter cast-in-place (CIP) piles has increased as the number of large structures has increased. Excessive slime management can delay construction. However, the effect of slime on the engineering characteristics of large-diameter CIP piles is not understood. In this study, the strength of slime-concrete mixtures was investigated by varying the volume ratio of slime. Field-scale testing was performed to evaluate the behavior of the large-diameter CIP pile using bidirectional load testing. A numerical analysis was performed to assess the compressibility of the slime under the self-weight of the pile. The results revealed that the general levels of slime at the bottom of the borehole had an insignificant influence on the engineering characteristics of the large-diameter CIP pile because the slime is susceptible to being mixed with poured concrete and compressed by the self-weight of the pile.
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해양과학대학 (해양토목공학과)
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