Aloui, Sarra

Profile URL
https://hdl.handle.net/11147/16033
Name Variants
Job Title
Email Address
Main Affiliation
01. Izmir Institute of Technology
Status
External
Website
ORCID ID
Scopus Author ID
Turkish CoHE Profile ID
Google Scholar ID
WoS Researcher ID

Sustainable Development Goals

SDG data is not available
This researcher does not have a Scopus ID.
This researcher does not have a WoS ID.
No records found in other affiliations.
Scholarly Output

2

Articles

1

Views / Downloads

1184/803

Supervised MSc Theses

1

Supervised PhD Theses

0

WoS Citation Count

3

Scopus Citation Count

4

Patents

0

Projects

0

WoS Citations per Publication

1.50

Scopus Citations per Publication

2.00

Open Access Source

1

Supervised Theses

1

JournalCount
Construction and Building Materials1
Current Page: 1 / 1

Scopus Quartile Distribution

Competency Cloud

GCRIS Competency Cloud
Author of Publication: search.filters.isAuthorOfPublication.940e60d0-b60c-48a5-95f8-45f94d3e5c42

Scholarly Output Search Results

Now showing 1 - 2 of 2
  • Master Thesis
    Bending Behavior of Hybrid Fiber Reinforced Concrete Beams
    (Izmir Institute of Technology, 2020) Aloui, Sarra; Saatcı, Selçuk; Aloui, Sarra; Saatçi, Selçuk; 03.03. Department of Civil Engineering; 01. Izmir Institute of Technology; 03. Faculty of Engineering
    Fiber reinforced concrete is widely used in various applications in concrete members. In this study, effect of fiber hybridization, using different types of fibers in concrete mix, on the bending behavior of concrete beams was investigated. For this purpose, eight beam specimens, 2500x500x50 mm in dimension, were cast in pairs with four different steel fiber content. One of the two specimens with the same steel fiber content had additional Polyvinyl Alcohol (PVA) fibers. The specimens were first tested under three-point bending. After these tests, failed specimens, which had a single crack at the midspan, were broken into two halves and the half with no visible damage was tested again under four-point loading to obtain the behavior for a constant moment region.The ultimate strength and the load-displacement behaviorwas investigated for each specimen. It was seen that fiber hybridization obtained by addition of PVA had an adverse effect for three-point bending tests. Specimens with additional PVA fibers had a lower ultimate load and deflection capacity compared to specimens with only steel fibers. However, fiber hybridization had a positive effect for same specimens under four-point bending test. It was concluded that hybridization of steel and PVA fibers had a positive effect on the bending behavior for loading conditions that result in a uniform moment distribution. However, for cases where a single crack dominates the behavior, such as a three-point bending case, hybrid fibers were not as effective or even had an adverse effect.
  • Article
    Citation - WoS: 3
    Citation - Scopus: 4
    Effects of Steel Fiber Type and Ratio on the One-Way Bending Behavior of Hybrid Fiber Reinforced Concrete Thin Panels
    (Elsevier Sci Ltd, 2024) Naseri, Jamalullah; Saatcı, Selçuk; Aloui, Sarra; Naseri, Jamalullah; 03.03. Department of Civil Engineering; 01. Izmir Institute of Technology; 03. Faculty of Engineering
    Performance of hybrid fiber reinforced concrete (HyFRC) determined through standardized material tests usually correlates well with the structural performance. However, for thin panels, this correlation may be disturbed due to the fiber orientation and small crack surfaces, and more detailed investigations are required. In this study, effects of steel fiber type and ratio on the one-way bending behavior of HyFRC thin panels was investigated through concrete mixes obtained by using three different steel fiber types and polyvinyl alcohol (PVA) fibers. 45 dog bone shaped, notched specimens were cast and tested under direct tension to investigate the direct tension behavior of used HyFRC. Nine panels of 2500 x 500 x 50 mm in dimension were tested under three-point bending, and nine panels of 1240 x 500 x 50 mm in dimension were tested under four-point bending. An in-verse analysis to obtain crack width-stress variation in three-and four-point bending specimens was also per-formed and behavior of steel fiber reinforced concrete specimens with and without PVA addition were compared. It was found that steel fiber type and ratio was consistently the dominant factor for all types of tests on HyFRC specimens. Addition of PVA fibers in HyFRC specimens either resulted in a similar or worse behavior for direct tension and three-point bending compared to their steel fiber only counterparts. Adverse effect of PVA fibers was more pronounced in three-point bending tests. On the other hand, PVA addition had a more positive effect in four-point bending tests. Inverse analyses performed on three-point bending tests revealed that stress levels develop between crack surfaces in these thin panels were significantly lower compared to direct tension stress levels. However, under four-point bending, these tensile stresses were closer to direct tension stresses, especially for specimens with shorter steel fibers. Loading conditions were found to be an effective factor in the behavior of HyFRC thin panels.