Interpretation of aggregate volume fraction effects on fracture behavior of concrete

Burcu Akcay; Ayda Safak Agar-Ozbek; Fikret Bayramov; Hakan Nuri Atahan; Cengiz Sengul; Mehmet Ali Tasdemir

doi:10.1016/j.conbuildmat.2011.08.080

Interpretation of aggregate volume fraction effects on fracture behavior of concrete

Burcu Akcay^*, Ayda Safak Agar-Ozbek, Fikret Bayramov, Hakan Nuri Atahan, Cengiz Sengul, Mehmet Ali Tasdemir

^*Bu çalışma için yazışmadan sorumlu yazar

İnşaat Mühendisliği Bölümü

Araştırma sonucu: Dergiye katkı › Makale › bilirkişi

76 Atıf (Scopus)

Özet

Fracture process zone has a strong effect on fracture energy particularly for concretes with coarse aggregates. In order to demonstrate this effect, four groups of concrete mixtures with various aggregate volume fractions were designed. Three point bending tests were applied on beam specimens with a single size but different notch size to obtain the boundary effect model based fracture energy. The results were evaluated to determine the effect of both aggregate volume fraction and notch size on fracture energy of concretes. In addition, meso-mechanical relations based on toughening mechanisms were employed in determining the fracture energy of concrete. The fracture energies obtained from the meso-mechanical approach and the boundary effect model were compared and found to be in good agreement.

Orijinal dil	İngilizce
Sayfa (başlangıç-bitiş)	437-443
Sayfa sayısı	7
Dergi	Construction and Building Materials
Hacim	28
Basın numarası	1
DOI'lar	https://doi.org/10.1016/j.conbuildmat.2011.08.080
Yayın durumu	Yayınlandı - Mar 2012

Finansman

The financial support of DPT (State Planning Organization, Project: 2002K120340) is greatly appreciated by the first and the sixth authors.

Finansörler	Finansör numarası
DPT
Devlet Planlama Örgütü	2002K120340

Belgeye Erişim

10.1016/j.conbuildmat.2011.08.080

Diğer Dosyalar ve Linkler

Link to publication in Scopus

Alıntı Yap

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title = "Interpretation of aggregate volume fraction effects on fracture behavior of concrete",

abstract = "Fracture process zone has a strong effect on fracture energy particularly for concretes with coarse aggregates. In order to demonstrate this effect, four groups of concrete mixtures with various aggregate volume fractions were designed. Three point bending tests were applied on beam specimens with a single size but different notch size to obtain the boundary effect model based fracture energy. The results were evaluated to determine the effect of both aggregate volume fraction and notch size on fracture energy of concretes. In addition, meso-mechanical relations based on toughening mechanisms were employed in determining the fracture energy of concrete. The fracture energies obtained from the meso-mechanical approach and the boundary effect model were compared and found to be in good agreement.",

keywords = "Aggregate volume fraction, Fracture energy, Meso-mechanical modeling, Notch depth",

author = "Burcu Akcay and Agar-Ozbek, {Ayda Safak} and Fikret Bayramov and Atahan, {Hakan Nuri} and Cengiz Sengul and Tasdemir, {Mehmet Ali}",

year = "2012",

month = mar,

doi = "10.1016/j.conbuildmat.2011.08.080",

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T1 - Interpretation of aggregate volume fraction effects on fracture behavior of concrete

AU - Akcay, Burcu

AU - Agar-Ozbek, Ayda Safak

AU - Bayramov, Fikret

AU - Atahan, Hakan Nuri

AU - Sengul, Cengiz

AU - Tasdemir, Mehmet Ali

PY - 2012/3

Y1 - 2012/3

N2 - Fracture process zone has a strong effect on fracture energy particularly for concretes with coarse aggregates. In order to demonstrate this effect, four groups of concrete mixtures with various aggregate volume fractions were designed. Three point bending tests were applied on beam specimens with a single size but different notch size to obtain the boundary effect model based fracture energy. The results were evaluated to determine the effect of both aggregate volume fraction and notch size on fracture energy of concretes. In addition, meso-mechanical relations based on toughening mechanisms were employed in determining the fracture energy of concrete. The fracture energies obtained from the meso-mechanical approach and the boundary effect model were compared and found to be in good agreement.

AB - Fracture process zone has a strong effect on fracture energy particularly for concretes with coarse aggregates. In order to demonstrate this effect, four groups of concrete mixtures with various aggregate volume fractions were designed. Three point bending tests were applied on beam specimens with a single size but different notch size to obtain the boundary effect model based fracture energy. The results were evaluated to determine the effect of both aggregate volume fraction and notch size on fracture energy of concretes. In addition, meso-mechanical relations based on toughening mechanisms were employed in determining the fracture energy of concrete. The fracture energies obtained from the meso-mechanical approach and the boundary effect model were compared and found to be in good agreement.

KW - Aggregate volume fraction

KW - Fracture energy

KW - Meso-mechanical modeling

KW - Notch depth

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U2 - 10.1016/j.conbuildmat.2011.08.080

DO - 10.1016/j.conbuildmat.2011.08.080

M3 - Article

AN - SCOPUS:80155182061

SN - 0950-0618

VL - 28

SP - 437

EP - 443

JO - Construction and Building Materials

JF - Construction and Building Materials

IS - 1

ER -

Interpretation of aggregate volume fraction effects on fracture behavior of concrete

Özet

Finansman

Belgeye Erişim

Diğer Dosyalar ve Linkler

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