• Title/Summary/Keyword: 앵커식 고정지지

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Simplified Formula for Design of Fixed Earth Supported Sheet-Pile Wall in Sand (사질토 지반 앵커식 고정지지 널말뚝 설계용 간편식)

  • Yang, Woo-Shik;Kim, Khi-Woong
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.40 no.6
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    • pp.89-94
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    • 1998
  • Stock(1992) had developed the graph for solving the penetration depth, tieforce of anchor and maximum bending moment of sheet-pile wall for cantilever and free earth supported anchored wall. Kim(1995) had developed graph for design of fixed earth supported anchored wall. In this paper, the simplified formulas for calculating the penetration depth, tieforce of anchor and maximum bending moment of sheet-pile wall was developed for fixed earth supported anchored wall in sand. The developed formulas may be helpful for design or sheet pile wall.

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Design Charts and Simplified Formulae for Anchored Sheet Pile Wall- Using Equivalent Beam Analysis for Fixed End Supported Wall - (앵커식 널말뚝벽의 설계용 도표와 간편식- 고정지지 널말뚝의 등가보 해석을 사용하여 -)

  • 김기웅;원진오;백영식
    • Journal of the Korean Geotechnical Society
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    • v.16 no.1
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    • pp.19-30
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    • 2000
  • The major design parameters of the anchored sheet-pile wall include the determination of required penetration depth, the force acting on the anchor, and the maximum bending moment in the piling. Blum solved the fixed earth supported wall using the equivalent beam method, assuming that the wall can be separated into upper and lower parts of the point of contraflexure. Design charts help designer by simplifying the design procedure. But they have some difficulties under some Geotechnical and geometrical conditions. For example, the conventional design charts can compute design parameters only when the ground water table exists above the dredge line. In this paper, the design charts which can be used for the ground water table existing under the dredge line are presented. And simplified formulae are developed by regression analysis. It is found that simplified formulae are not only very useful for the practice of design but also they can evaluate the result of numerical methods or design charts.

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Investigation of the Rotational Displacement of the Suction Anchor Subjected to the Inclined Pullout Load in Silty Sand (사질토 지반에서 경사 인발 하중을 받는 석션 앵커의 회전 거동 평가)

  • Bae, Jun-Sik;Jeong, Yeong-Hoon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.10
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    • pp.267-273
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    • 2020
  • Suction anchors are used for floating structures because they have advantages in installation and stability. Recently, the demand for floating structures requiring low allowable displacement has increased. Thus, it is strongly suggested that the displacement of the suction anchor be evaluated. However, conventional studies regarding suction anchors have concentrated on the capacity of the anchor, and research on the displacement of the anchor is limited. In particular, rotation is the primary behavior of a suction anchor subjected to an inclined load, and related information has been insufficient. Therefore, the main objective of this paper is to investigate the rotation behavior of a suction anchor via centrifuge model tests. The experimental parameters are the inclination of the pull-out load, anchor dimensions, and aspect ratio. The rotation values of suction anchors were compared using a series of load-rotation curves. The results show that the inclination of the load has a dominant influence on the rotation behavior of the suction anchor.