Structural Engineering and Mechanics

  • 제60권2호
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  • Pages.301-312
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  • 2016
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Time-dependent bond transfer length under pure tension in one way slabs

  • Vakhshouri, Behnam (Centre for Built Infrastructure Research (CBIR), Faculty of Engineering and Information Technology (FEIT), University of Technology Sydney (UTS))
  • 투고 : 2016.03.11
  • 심사 : 2016.07.12
  • 발행 : 2016.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

In a concrete member under pure tension, the stress in concrete is uniformly distributed over the whole concrete section. It is supposed that a local bond failure occurs at each crack, and there is a relative slip between steel and surrounding concrete. The compatibility of deformation between the concrete and reinforcement is thus not maintained. The bond transfer length is a length of reinforcement adjacent to the crack where the compatibility of strain between the steel and concrete is not maintained because of partially bond breakdown and slip. It is an empirical measure of the bond characteristics of the reinforcement, incorporating bar diameter and surface characteristics such as texture. Based on results from a series of previously conducted long-term tests on eight restrained reinforced concrete slab specimens and material properties including creep and shrinkage of two concrete batches, the ratio of final bond transfer length after all shrinkage cracking, to THE initial bond transfer length is presented.

키워드

과제정보

연구 과제 주관 기관 : Centre for Built Infrastructure Research (CBIR)

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피인용 문헌

  1. Instantaneous deflection of light-weight concrete slabs vol.11, pp.4, 2017, https://doi.org/10.1007/s11709-017-0416-8
  2. Time-dependent deflection of conventional, self-compacting and lightweight concrete slabs vol.171, pp.6, 2018, https://doi.org/10.1680/jstbu.17.00024
  3. Effect of fiber reinforcing on instantaneous deflection of self-compacting concrete one-way slabs under early-age loading vol.67, pp.2, 2016, https://doi.org/10.12989/sem.2018.67.2.155