Cyclic lateral load tests of offshore large diameter piles of incheon bridge in marine clay

Sangseom Jeong, Youngho Kim, Jeonghwan Kim, Seunghyun Shin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

The Incheon bridge will be an exemplary example of a cable-stayed offshore bridge located in the Rep. of Korea. It connects the Songdo city to the Incheon International Airport. Pile foundation of Incheon bridge is consisted of large diameter drilled shafts, up to 55m deep and 3.0m in diameter, which were embedded in rock. This paper describes the load distribution and deflection of drilled shafts subjected to lateral loads in marine clay. The emphasis was on quantifying the cyclic lateral soil resistance placed from the piles to surrounding soils based on one-way and two-way cyclic loading tests performed on small and full-scaled drilled shafts. The cyclic loading tests included four test piles founded in weathered and soft rocks through soft clay and silt: three of the test piles (LTP-1, LTP-2, LTP-3) were the small-scale driven piles (diameter= 1.016m, length=26m); the other (LTP-4) was the full-scale drilled shaft (diameter=2.4m, length=45m). All test piles were performed by the one-way loading method except for LTP-3 (two-way). Based on the test results, lateral cyclic behaviors of offshore drilled shafts in marine clay are discussed and compared with existing methods.

Original languageEnglish
Title of host publicationProceedings of The Seventeenth 2007 International Offshore and Polar Engineering Conference, ISOPE 2007
Pages1353-1360
Number of pages8
Publication statusPublished - 2007 Dec 3
Event17th 2007 International Offshore and Polar Engineering Conference, ISOPE 2007 - Lisbon, Portugal
Duration: 2007 Jul 12007 Jul 6

Publication series

NameProceedings of the International Offshore and Polar Engineering Conference
ISSN (Print)1098-6189
ISSN (Electronic)1555-1792

Other

Other17th 2007 International Offshore and Polar Engineering Conference, ISOPE 2007
CountryPortugal
CityLisbon
Period07/7/107/7/6

Fingerprint

Cyclic loads
Piles
Clay
Rocks
Pile foundations
Silt
Airports
Cables
Soils

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

Cite this

Jeong, S., Kim, Y., Kim, J., & Shin, S. (2007). Cyclic lateral load tests of offshore large diameter piles of incheon bridge in marine clay. In Proceedings of The Seventeenth 2007 International Offshore and Polar Engineering Conference, ISOPE 2007 (pp. 1353-1360). (Proceedings of the International Offshore and Polar Engineering Conference).
Jeong, Sangseom ; Kim, Youngho ; Kim, Jeonghwan ; Shin, Seunghyun. / Cyclic lateral load tests of offshore large diameter piles of incheon bridge in marine clay. Proceedings of The Seventeenth 2007 International Offshore and Polar Engineering Conference, ISOPE 2007. 2007. pp. 1353-1360 (Proceedings of the International Offshore and Polar Engineering Conference).
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abstract = "The Incheon bridge will be an exemplary example of a cable-stayed offshore bridge located in the Rep. of Korea. It connects the Songdo city to the Incheon International Airport. Pile foundation of Incheon bridge is consisted of large diameter drilled shafts, up to 55m deep and 3.0m in diameter, which were embedded in rock. This paper describes the load distribution and deflection of drilled shafts subjected to lateral loads in marine clay. The emphasis was on quantifying the cyclic lateral soil resistance placed from the piles to surrounding soils based on one-way and two-way cyclic loading tests performed on small and full-scaled drilled shafts. The cyclic loading tests included four test piles founded in weathered and soft rocks through soft clay and silt: three of the test piles (LTP-1, LTP-2, LTP-3) were the small-scale driven piles (diameter= 1.016m, length=26m); the other (LTP-4) was the full-scale drilled shaft (diameter=2.4m, length=45m). All test piles were performed by the one-way loading method except for LTP-3 (two-way). Based on the test results, lateral cyclic behaviors of offshore drilled shafts in marine clay are discussed and compared with existing methods.",
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Jeong, S, Kim, Y, Kim, J & Shin, S 2007, Cyclic lateral load tests of offshore large diameter piles of incheon bridge in marine clay. in Proceedings of The Seventeenth 2007 International Offshore and Polar Engineering Conference, ISOPE 2007. Proceedings of the International Offshore and Polar Engineering Conference, pp. 1353-1360, 17th 2007 International Offshore and Polar Engineering Conference, ISOPE 2007, Lisbon, Portugal, 07/7/1.

Cyclic lateral load tests of offshore large diameter piles of incheon bridge in marine clay. / Jeong, Sangseom; Kim, Youngho; Kim, Jeonghwan; Shin, Seunghyun.

Proceedings of The Seventeenth 2007 International Offshore and Polar Engineering Conference, ISOPE 2007. 2007. p. 1353-1360 (Proceedings of the International Offshore and Polar Engineering Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Jeong S, Kim Y, Kim J, Shin S. Cyclic lateral load tests of offshore large diameter piles of incheon bridge in marine clay. In Proceedings of The Seventeenth 2007 International Offshore and Polar Engineering Conference, ISOPE 2007. 2007. p. 1353-1360. (Proceedings of the International Offshore and Polar Engineering Conference).