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Shear Performance of Optimized-Section Precast Slab with Tapered Cross Section

Author

Listed:
  • Hyunjin Ju

    (Department of Civil Engineering and Natural Hazards, University of Natural Resources and Life Sciences, Vienna, Feistmantelstrasse 4, Vienna 1180, Austria)

  • Sun-Jin Han

    (Department of Architectural Engineering, University of Seoul, 163 Siripdaero, Dongdaemun-gu, Seoul 130-743, Korea)

  • Hyo-Eun Joo

    (Department of Architectural Engineering, University of Seoul, 163 Siripdaero, Dongdaemun-gu, Seoul 130-743, Korea)

  • Hae-Chang Cho

    (Department of Architectural Engineering, University of Seoul, 163 Siripdaero, Dongdaemun-gu, Seoul 130-743, Korea)

  • Kang Su Kim

    (Department of Architectural Engineering, University of Seoul, 163 Siripdaero, Dongdaemun-gu, Seoul 130-743, Korea)

  • Young-Hun Oh

    (Department of Medical Space Design & Management, Konyang University, 158 Gwanjeodong-ro, Seo-gu, Daejeon 35365, Korea)

Abstract

The optimized-section precast slab (OPS) is a half precast concrete (PC) slab that highlights structural aesthetics while reducing the quantity of materials by means of an efficient cross-sectional configuration considering the distribution of a bending moment. However, since a tapered cross section where the locations of the top and bottom flanges change is formed at the end of the member, stress concentration occurs near the tapered cross section because of the shear force and thus the surrounding region of the tapered cross section may become unintentionally vulnerable. Therefore, in this study, experimental and numerical research was carried out to examine the shear behaviour characteristics and performance of the OPS with a tapered cross section. Shear tests were conducted on a total of eight OPS specimens, with the inclination angle of the tapered cross section, the presence of topping concrete and the amount of shear reinforcement as the main test variables and a reasonable shear-design method for the OPS members was proposed by means of a detailed analysis based on design code and finite-element analysis.

Suggested Citation

  • Hyunjin Ju & Sun-Jin Han & Hyo-Eun Joo & Hae-Chang Cho & Kang Su Kim & Young-Hun Oh, 2018. "Shear Performance of Optimized-Section Precast Slab with Tapered Cross Section," Sustainability, MDPI, vol. 11(1), pages 1-18, December.
    • Handle: RePEc:gam:jsusta:v:11:y:2018:i:1:p:163-:d:193957
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    Cited by:

    1. Sanusi Saheed & Farah N. A. Abd. Aziz & Mugahed Amran & Nikolai Vatin & Roman Fediuk & Togay Ozbakkaloglu & Gunasekaran Murali & Mohammad Ali Mosaberpanah, 2020. "Structural Performance of Shear Loaded Precast EPS-Foam Concrete Half-Shaped Slabs," Sustainability, MDPI, vol. 12(22), pages 1-17, November.

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