지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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This study proposes an advanced type of a micropile system. The proposed micropile system consists of perfobond ribs installed steel rod to improve shear capacity between the thread and the grout, and partially expanded drill holes to increase resistance capacity between the grout and the ground. This study contains experimental evaluations on the proposed micropile system to verify the shear capacity of perfobond rib installed on the steel rod and the load-carrying capacity of shear key created by the partially expanded drill hole. Push-out tests were conducted on a rolled screw thread and steel rods which perfobond ribs are installed instead of rolled screw, in order to compare their load-carrying capacity and behavioral characteristics. As a result, it was confirmed that the perfobond-rib steel rods show much superior structural behavior in terms of initial stiffness, ultimate load, and ductile behavior.
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참고문헌 (4)
참고문헌 신청
J. -M. Goo / 2008 / Micropiling : Case History and the Improvement of Design Method / Proceeding of Korean Society of Civil Engineers :865~868
J. -H. Ahn / 2010 / Shear Resistance of the Perfobond-rib Shear Connector depending on Concrete Strength and Rib Arrangement / Journal of Constructional Steel Research 66
2007 / Eurocode 4 ENV Design of Composite steel and concrete structures / European Committee for Standardisation
Y. Tsukada / 2006 / Mechanism of Bearing Capacity of Spread Footings Reinforcing with Micro-piles / Journal of Soil and Foundation 46(3):367~376
J. -H. Ahn / 2010 / Shear Resistance of the Perfobond-rib Shear Connector depending on Concrete Strength and Rib Arrangement / Journal of Constructional Steel Research 66
2007 / Eurocode 4 ENV Design of Composite steel and concrete structures / European Committee for Standardisation
Y. Tsukada / 2006 / Mechanism of Bearing Capacity of Spread Footings Reinforcing with Micro-piles / Journal of Soil and Foundation 46(3):367~376
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