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Anchorage/lap strength of bars in RC structures in case of low concrete cover thickness

 Anchorage/lap strength of bars in RC structures in case of low concrete cover thickness
Author(s): , ,
Presented at IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021, published in , pp. 1057-1065
DOI: 10.2749/ghent.2021.1057
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In recent years the assessment of existing structures has become a topic of huge interest all over the world due to environmental, economic and socio-political assets. However, the approach to the ...
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Bibliographic Details

Author(s): (Politecnico di Bari, Bari, Italy.)
(School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University, Edinburgh, UK.‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌)
(Norwegian University of Science and Technology, Trondheim, Norway.)
Medium: conference paper
Language(s): English
Conference: IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021
Published in:
Page(s): 1057-1065 Total no. of pages: 9
Page(s): 1057-1065
Total no. of pages: 9
DOI: 10.2749/ghent.2021.1057
Abstract:

In recent years the assessment of existing structures has become a topic of huge interest all over the world due to environmental, economic and socio-political assets. However, the approach to the assessment of existing structures is in many aspects different from that used for the design of a new structure. This is why there is a necessity to develop new formulations for old materials and products that are consistent with the requirements and the reliability-based approach of current codes of practice. In this scenario, this article analyses a topic very common in existing RC structures, namely the effect of low concrete cover thickness on the anchorage/lap strength of bars. The main aim of the article is to give practical formulations that can be included in future codes of practice. To this aim a novel formulation recently proposed is firstly analysed and then validated against a database of tests taken from the literature.

Keywords:
anchorage existing structure RC structure laps
Copyright: © 2021 International Association for Bridge and Structural Engineering (IABSE)
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