Effects of pile installation on existing tunnels using model test and numerical analysis with medium density sand

Suk Min Kong; Dong Wook Oh; Seong Won Lee; Chang Yong Kim; Yong Joo Lee

doi:10.3390/app11156904

Effects of pile installation on existing tunnels using model test and numerical analysis with medium density sand

Suk Min Kong, Dong Wook Oh, Seong Won Lee, Chang Yong Kim, Yong Joo Lee

Dept. of Civil Engineering

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Vital underground structures such as sewers, power transmission lines, subways, and underpasses are potentially vulnerable to adverse effects from aboveground construction. In this study, the influence of pile installation on nearby existing tunnels was investigated. Both a laboratory model test and finite-element numerical analysis were conducted. Twelve different combinations of horizontal and vertical offsets between the pile and the tunnel were investigated. Different surcharge loads (allowable and ultimate) were also considered. In this way, the appropriate separation distance between the existing tunnel and the piles was established for sandy, medium-compaction soil. Although this study considers simple ground conditions, it facilitates safe construction by confirming the appropriate separation distance and comparing the areas that cannot be penetrated by the structures of each standard.

Original language	English
Article number	6904
Journal	Applied Sciences (Switzerland)
Volume	11
Issue number	15
DOIs	https://doi.org/10.3390/app11156904
State	Published - 1 Aug 2021

Keywords

Numerical analysis
Pile
Safety zone
Tunnel
Underground structure

Access to Document

10.3390/app11156904

Cite this

@article{f9668c221aca49d09dd7a02ede84db7c,

title = "Effects of pile installation on existing tunnels using model test and numerical analysis with medium density sand",

abstract = "Vital underground structures such as sewers, power transmission lines, subways, and underpasses are potentially vulnerable to adverse effects from aboveground construction. In this study, the influence of pile installation on nearby existing tunnels was investigated. Both a laboratory model test and finite-element numerical analysis were conducted. Twelve different combinations of horizontal and vertical offsets between the pile and the tunnel were investigated. Different surcharge loads (allowable and ultimate) were also considered. In this way, the appropriate separation distance between the existing tunnel and the piles was established for sandy, medium-compaction soil. Although this study considers simple ground conditions, it facilitates safe construction by confirming the appropriate separation distance and comparing the areas that cannot be penetrated by the structures of each standard.",

keywords = "Numerical analysis, Pile, Safety zone, Tunnel, Underground structure",

author = "Kong, \{Suk Min\} and Oh, \{Dong Wook\} and Lee, \{Seong Won\} and Kim, \{Chang Yong\} and Lee, \{Yong Joo\}",

note = "Publisher Copyright: {\textcopyright} 2021 by the authors. Licensee MDPI, Basel, Switzerland.",

year = "2021",

month = aug,

day = "1",

doi = "10.3390/app11156904",

language = "English",

volume = "11",

journal = "Applied Sciences (Switzerland)",

issn = "2076-3417",

number = "15",

}

TY - JOUR

T1 - Effects of pile installation on existing tunnels using model test and numerical analysis with medium density sand

AU - Kong, Suk Min

AU - Oh, Dong Wook

AU - Lee, Seong Won

AU - Kim, Chang Yong

AU - Lee, Yong Joo

PY - 2021/8/1

Y1 - 2021/8/1

N2 - Vital underground structures such as sewers, power transmission lines, subways, and underpasses are potentially vulnerable to adverse effects from aboveground construction. In this study, the influence of pile installation on nearby existing tunnels was investigated. Both a laboratory model test and finite-element numerical analysis were conducted. Twelve different combinations of horizontal and vertical offsets between the pile and the tunnel were investigated. Different surcharge loads (allowable and ultimate) were also considered. In this way, the appropriate separation distance between the existing tunnel and the piles was established for sandy, medium-compaction soil. Although this study considers simple ground conditions, it facilitates safe construction by confirming the appropriate separation distance and comparing the areas that cannot be penetrated by the structures of each standard.

AB - Vital underground structures such as sewers, power transmission lines, subways, and underpasses are potentially vulnerable to adverse effects from aboveground construction. In this study, the influence of pile installation on nearby existing tunnels was investigated. Both a laboratory model test and finite-element numerical analysis were conducted. Twelve different combinations of horizontal and vertical offsets between the pile and the tunnel were investigated. Different surcharge loads (allowable and ultimate) were also considered. In this way, the appropriate separation distance between the existing tunnel and the piles was established for sandy, medium-compaction soil. Although this study considers simple ground conditions, it facilitates safe construction by confirming the appropriate separation distance and comparing the areas that cannot be penetrated by the structures of each standard.

KW - Numerical analysis

KW - Pile

KW - Safety zone

KW - Tunnel

KW - Underground structure

UR - http://www.scopus.com/inward/record.url?scp=85111690078&partnerID=8YFLogxK

U2 - 10.3390/app11156904

DO - 10.3390/app11156904

M3 - Article

AN - SCOPUS:85111690078

SN - 2076-3417

VL - 11

JO - Applied Sciences (Switzerland)

JF - Applied Sciences (Switzerland)

IS - 15

M1 - 6904

ER -

Effects of pile installation on existing tunnels using model test and numerical analysis with medium density sand

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this