[논문]A simplified equation to determine stud spacing in SCP member

Hwang, Ju-young; Lee, Wonho; Kwak, Hyo-Gyoung

doi:10.1016/j.jcsr.2020.106457

[해외논문] A simplified equation to determine stud spacing in SCP member

Journal of constructional steel research : JCSR, v.177, 2021년, pp.106457 -

Hwang, Ju-young (Korea Advanced Institute of Science and Technology, Dept. Civil & Environ. Eng.) , Lee, Wonho (Korea Shipbuilding & Offshore Engineering, System Safety Research Dep't) , Kwak, Hyo-Gyoung (Korea Advanced Institute of Science and Technology, Dept. Civil & Environ. Eng.)

Abstract ▼ AI-Helper

Abstract Steel-Concrete composite Panel (SCP) broadly used in storage tanks are modularized construction members that are made by placing concrete within two exterior steel plates. Placing of concrete, however, usually develops very high pressure which may cause excessive initial deformation on the exterior steel plates, and the developed deformation will affect the ultimate resisting capacity of the SCP member by an increase of instability in the steel plates. Nevertheless, the influence of the steel plate deformation on the evaluation of the ultimate resisting capacity has not been systematically reviewed. Especially since the ultimate resisting capacity of the steel plate is deeply related to the stud spacing, the initial deformation of exterior steel plates must be taken into consideration in determining the optimum stud spacing. In this context, finite element (FE) analyses on steel plates considering the initial shape imperfection are performed, and a design guideline to determine the stud and tie-bar spacing is proposed on the basis of numerous parametric studies. Highlights In designing SCP, initial deformation on the exterior steel plates due to high pressure by concrete should be considered. Developed deformation decrease the ultimate resisting capacity of the SCP member by increasing instability of steel plates. Especially, the stud spacing, which influences to the initial deformation, should be considered in design of SCP. FE analyses on steel plates considering the initial shape imperfection according to the stud spacing are performed. Design guideline to determine the stud and tie-bar spacing within SCP member is proposed considering initial imperfection. Graphical abstract [DISPLAY OMISSION]

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DOI : 10.1016/j.jcsr.2020.106457
Elsevier : 저널 > 논문

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