Selman, Mehmet Efe

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Profile URL
https://hdl.handle.net/20.500.14365/6975
Name Variants
Selman, Efe
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Email Address
Main Affiliation
17.06. Construction Technology
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Current Staff
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ORCID ID
0000-0001-6853-4197
Scopus Author ID
55200265900
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Google Scholar ID
WoS Researcher ID
DRU-4584-2022
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Mehmet_Efe_Selman.jpg (9.6 KB)

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6

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3

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3

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WoS Citation Count

0

Scopus Citation Count

2

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Scopus h-index

1

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0.00

Scopus Citations per Publication

0.67

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1

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0

JournalCount
Indian Journal of Engineering and Materials Sciences1
Konya mühendislik bilimleri dergisi (Online)1
Sadhana-Academy Proceedings In Engineering Sciences1
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  • Thumbnail Image
    Article
    Citation - Scopus: 2
    Progressive Collapse Performances of Outrigger-Braced Reinforced Concrete Buildings With Transfer Floor
    (Springer india, 2024) Selman, Mehmet Efe
    This paper is mainly composed of a comprehensive evaluation and discussion on the progressive collapse performances of outrigger braced reinforced concrete structures with transfer floor. The effects of transfer floor existence, combined use of transfer floor and outriggers, outrigger locations on load redistribution, plasticity development and robustness of structural systems under the sudden failure of the element(s) are the fundamental issues that shape the content of this study. Within this scope, six reinforced concrete systems with transfer floor and differently located outriggers are modelled in SAP2000 finite element program. The pushdown curves are compared through the nonlinear static analysis. For external and corner column cases, the maximum load factors versus vertical drift ratios are obtained in systems with outriggers located at the midheight (0.5H) and top level (H), especially. The differences in deformation characteristics of transfer floor-element interface can be properly limited by modifying outrigger locations and combinations. The hinging development can be much more effectively controlled with outriggers close to the transfer floor. The same tendency is also observed while the vertical spacing between outriggers is decreased, particularly until 0.65H. The results support that the optimized outrigger use develops an efficient alternate load paths under the abrupt element failure.
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    Article
    Betonarme Sonlu Eleman Analizinde Alternatif Bir Kohezif Çatlak Modeli
    (2021) Selman, Efe
    Beton yapıların hasar değerlendirmelerinde, çatlak yüzeylerindeki kohezif etkileşimi göz önüne alan modeller, güvenilir ve gerçekçi simülasyonlara olanak tanımışlardır. Kohezif modeller, çatlak arayüzeylerinde, çatlak açılma ve kohezif kapanma gerilmeleri arasındaki dengeyi, betonun çekme yumuşaması özelliği ile birlikte göz önüne almaktadır. Bu çalışma, bu kohezif yaklaşımdan kaynaklanarak, kohezif etkileşimin çatlak yüzeylerinde betonun çekme yumuşaması davranışına göre tanımlandığı bir sonlu eleman modeli geliştirmiştir. Nümerik analizler için ABAQUS programı kullanılmıştır. Sunulan kohezif esaslı modelin etkinliğini gösterme amaçlı, diğer simülasyon Genişletilmiş Sonlu Eleman Metodu’nu kullanarak gerçekleştirilmiş ve iki yaklaşımın sonuçları yapısal parametreler bazında karşılaştırılmıştır. İki yaklaşım sonuçları arasındaki yüksek uyum, sunulan kohezif çatlak yaklaşımının doğruluğunu kanıtlamıştır.
  • Thumbnail Image
    Article
    Acoustic Emission Response of Macro Synthetic Fibre Reinforced Concrete Beams
    (Natl Inst Science Communication-Niscair, 2025) Selman, Efe; Kilic, Gokhan
    Macro synthetic fibre reinforced concrete(MSFRC) has been frequently preferred owing to their adequate ductility, post cracking capacity and toughness values, being potential sustainable alternative material to steel fibre concrete. Their fracture processes and possible failure mechanisms have been simultaneously scrutinized in order to fully exploit from their advantageous structural characteristics. AE methods have accurately provided comprehensive information on the origination and development of a flaw that is located in inner sections of material. With this current study, AE technique has been selected in order to determine the crack evolution and propagation in MSFRC structures. To study the AE response of MSFRC specimens, three MSFRC specimens in the volumetric ratios 0.5%,1% and 1.5% have been prepared and tested with reference concrete specimen. Average frequency, RA(Rise time to Amplitude ratio) and Sentry function parameters have been examined during three-point bending tests for specimens. AE features which correspond to the damage occurrences have been identified and shown during load history. AE method has been found to predict adequately the damage progression of MSFRC elements and the experimental behaviours of specimens have been typically captured well.