Korean Geotechnical Society (KGS) (2015). Code requirements for structural foundation design, CIR press (in Korean).Korean Geotechnical Society (KGS) (2015). Code requirements for structural foundation design, CIR press (in Korean).

Lee, I. (2013). Fundamental of rock mechanics (2nd edition), CIR press (in Korean).Lee, I. (2013). Fundamental of rock mechanics (2nd edition), CIR press (in Korean).

Maertens, L. (2002). “Design and installation of steel open end piles in weathered basalt.” International Deep Foundations Congress 2002, Orlando, USA, pp. 1-16.10.1061/40601(256)54Maertens, L. (2002). “Design and installation of steel open end piles in weathered basalt.” International Deep Foundations Congress 2002, Orlando, USA, pp. 1-16.

Min, C. (2016). Reinforced Concrete Design(3rd), GoomiBook (in Korean).Min, C. (2016). Reinforced Concrete Design(3rd), GoomiBook (in Korean).

Moon, K., Park, S. and Heo, J. (2014a). “A study on the skin friction of steel pile embedded in rock.” Proc. of the 2014 Korean Society of Civil Engineers Conf., KSCE, Daegu, Korea, pp. 1647-1648 (in Korean).Moon, K., Park, S. and Heo, J. (2014a). “A study on the skin friction of steel pile embedded in rock.” Proc. of the 2014 Korean Society of Civil Engineers Conf., KSCE, Daegu, Korea, pp. 1647-1648 (in Korean).

Moon, K., Park, S. and Shin, M. (2017). “Mecahnical properties of filling materials for bored pile in rock.” Journal of the Korean Society of Civil Engineers, Vol. 37, No. 4, pp. 637-645 (in Korean).Moon, K., Park, S. and Shin, M. (2017). “Mecahnical properties of filling materials for bored pile in rock.” Journal of the Korean Society of Civil Engineers, Vol. 37, No. 4, pp. 637-645 (in Korean).

Moon, K., Park, S., Kim, Y. and Yang, S. (2014b). “Mechanical characteristics of basalt in Jeju island with relation to porosity.” Journal of the Korean Society of Civil Engineers, Vol. 34, No. 4, pp. 1215-1225 (in Korean).10.12652/Ksce.2014.34.4.1215Moon, K., Park, S., Kim, Y. and Yang, S. (2014b). “Mechanical characteristics of basalt in Jeju island with relation to porosity.” Journal of the Korean Society of Civil Engineers, Vol. 34, No. 4, pp. 1215-1225 (in Korean).

Nezamian, A., Al-Mahaidi, R., Grundy, P. and O’Loughlin, B. (2002). “Push-out strength of concrete plugs in tubular steel piles.” Proc. of the Twelfth (2002) Intl. Offshore and Polar Engineering Conf., ISOPE, Kitakyushu, Japan, pp. 60-64.Nezamian, A., Al-Mahaidi, R., Grundy, P. and O’Loughlin, B. (2002). “Push-out strength of concrete plugs in tubular steel piles.” Proc. of the Twelfth (2002) Intl. Offshore and Polar Engineering Conf., ISOPE, Kitakyushu, Japan, pp. 60-64.

Shakir-Khalil, H. (1993a). “Pushout strength of concrete-filled steel hollow sections.” The Structural Engineers, Vol. 71, No. 13, pp. 230-233.Shakir-Khalil, H. (1993a). “Pushout strength of concrete-filled steel hollow sections.” The Structural Engineers, Vol. 71, No. 13, pp. 230-233.

Shakir-Khalil, H. (1993b). “Resistance of concrete-filled steel tubes to pushout forces.” The Structural Engineers, Vol. 71, No. 13, pp. 234-243.Shakir-Khalil, H. (1993b). “Resistance of concrete-filled steel tubes to pushout forces.” The Structural Engineers, Vol. 71, No. 13, pp. 234-243.