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Nonlinear Finite Element Analysis of Reinforced Concrete Planar Members Using Rotating Orthotropic Axes Model

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์ตœ์ดˆ๋“ฑ๋ก์ผ 2023.04.05 ์ตœ์ข…์ ฟ’์ž‘์ผ 1995.12
11P ๋ฏธ๋้ฉ๋ณด๊ธฐ
Nonlinear Finite Element Analysis of Reinforced Concrete Planar Members
Using Rotating Orthotropic Axes Model
  • * ๋ณธ ๋ฌธ์„œ๋Š” ๋ฐฐํฌ์šฉ์œผ๋กœ ๋ณต์‚ฌ ๋ฐ ํŽธ์ง‘์ด ๋ถˆ๊ฐ€ํ•ฉ๋‹ˆ๋‹ค.

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    ์ด ์—ฐ๊ตฌ์˜ ๋ชฉ์ ์€ ๋‹จ์กฐํ•˜์ค‘๊ณผ ๋ฐ˜๋ณตํ•˜์ค‘์˜ฌ ๋ฐ›๋Š” ์ฒ ๊ทผ์ฝ˜ํฌ๋ฆฌํŠธ ๋ฉด๋ถ€์žฌ ํ•ด์„์— ๋Œ€ํ•œ ์ด๋ฐฉํ–ฅ์„ฑ ํšŒ์ „ ์ง๊ต์ด‰ ๋ชจ
    ํ…”์˜ ์„ฑ๋Šฅ์˜ฌ ๊ฒ€ํ† ํ•˜๊ธฐ ์œ„ํ•จ์ด๋‹ค. ์—ฌ๊ธฐ์„œ ๋‹ค๋ฃจ๋Š” ๊ตฌ์กฐ๋ถ€์žฌ๋Š” ์ฒ ๊ทผ์— ์˜ํ•˜์—ฌ ์ ์ ˆํžˆ ๋ณด๊ฐ•๋œ ๋ณด๏ผŒ ๊ธฐํ‰๏ผŒ ๋ณด-๊ธฐ๋‘ฅ
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    ์ค‘์— ๋Œ€ํ•˜์—ฌ ์‚ฌ์šฉ๋„๋Š” ์ด๋ฐฉํ–ฅ์„ฑ ํšŒ์ „ ์ง๊ต์ถ• ๋ชจํ…”์„ ๋ฐ˜๋ณตํ•˜์ค‘์— ๋Œ€ํ•˜์—ฌ ํ™•์žฅํ•˜๋ฉฐ๏ผŒ ์ฒ ๊ทผํŒŒ ๋ถ€์ฐฉ์˜ ๊ธฐ์กด ์žฌ๋ฃŒ๋ชจ
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    ํ˜• ๋ณ€ํ˜•๏ผŒ ํ•€์นญ ํ˜„์ƒ๋™์— ๋Œ€ํ•˜์—ฌ ์‹คํ—˜๊ฒฐ๊ณผ์™ฟ’๋น„๊ต๋œ๋‹ค.

    ์˜์–ด์ดˆ๋ก

    The objective of this research is to investigate the effectiveness of rotating orthotropic axes model
    in analyzing reinforced concrete planar members under cyclic as well as monotonic loading. The struc.
    tural members to be addressed are moderately reinforced beams, columns, beam-colurnn joints, and
    shear walls, whose failure occurs due to compressive crushing after extensive crack propagation. The
    rotating orthotropic axes model which is usually used for monotonic loading is developed for cyclic loading.
    With the existing cyclic material m์—ฌels of reinforcing steel and bond-slip, this material model is
    used for the finite element analysis. For monotonic loading, the analytical results of the rotating orthotropic
    ์•“es model are compared with reinforced concrete beams which have brittle failure. For Shear
    wall members under cyclic loading, the analyses are compared with the experiments for the ultimate
    load capacity, nonlinear deformation, and pinching effect due to crack opening and closing.

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