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Shaaban, Ibrahim 
ORCID: https://orcid.org/0000-0003-4051-341X
(2017)
Serviceability behavior of normal and high-strength reinforced concrete t-beams.
European Journal of Materials Science and Engineering, 2 (4).
pp. 99-110.
ISSN 2537-4338
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Abstract
Serviceability behavior of Normal Strength Concrete (NSC) and High Strength Concrete (HSC) T-beams was experimentally evaluated. The crack pattern was observed, the effect of flange dimensions (breadth and thickness) on the crack pattern and load-deflection response was evaluated experimentally for 10 beams comprising the two studied groups, NSC and HSC T-beams. The short-term deflections were measured experimentally and predicted empirically under mid-span concentrated loading. It was found that increasing the flange width and thickness resulted in higher loads and lower deflections under service loads to a different extent. Prior to failure, the increment in the maximum loads was up to 22% while the deflection reduced by 31% for NSC and 23% for HSC beams. The available equations for determining the effective moment of inertia (Ie) were reviewed and used in predicting the Ie of the cracked beam. The results were compared with the experimental values (Iexp). The Ie showed a noticeable difference, especially for the HSC T-beams. New equations were proposed in which the tensile reinforcement ratio was considered. Compared with the other available equations, the proposed equations demonstrated a better agreement and repeatability of predicting experimental results studied herein. In addition, the proposed equations were used to predict the Ie for experimentally tested T-beams available in the literature. The proposed models showed a high degree of accuracy.
| Item Type: | Article |
|---|---|
| Additional Information: | EJMSE is an OPEN ACCESS journal. All content is freely available without charge to any user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles in this journal without asking prior permission from the publisher or the author. It is compulsory to insert reference of the cited article. |
| Keywords: | T-beams, high strength concrete, normal strength concrete, short term deflection, crack pattern, load-deflection, effective moment of inertia. |
| Subjects: | Construction and engineering > Civil and structural engineering |
| Related URLs: | |
| Depositing User: | Ibrahim Shaaban |
| Date Deposited: | 14 May 2020 15:33 |
| Last Modified: | 04 Nov 2024 11:49 |
| URI: | https://repository.uwl.ac.uk/id/eprint/6948 |
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