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Mixed-mode fracture behavior of glass fiber reinforced polymer concrete

Avci, A. / Akdemir, A. / Arikan, H.

Fracture toughness of chopped strand glass fiber reinforced particle-filled polymer composite beams was investigated in Mode I and Mode III loading conditions using three-point bend tests. Effects of crack angles on fracture behavior were also studied. The specimens, which have inclined crack at an angle theta to the axis of the specimens, were used to carry out the tests. The specimens were tested with inclination angles 30 degree, 45 degree, 60 degree and 75 degree. The results are compared with the values of K_IC obtained using conventional (theta=90 degree) specimens. In addition, J integrals were also determined. J_IC increases continuously with increasing in crack angle from theta=30 degree to theta=90 degree. In contrast, J_IIIC decreases with the crack inclination angle theta from 30 degree to 90 degree.

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Mixed-mode fracture behavior of glass fiber reinforced polymer concrete

Avci, A. / Akdemir, A. / Arikan, H.

Fracture toughness of chopped strand glass fiber reinforced particle-filled polymer composite beams was investigated in Mode I and Mode III loading conditions using three-point bend tests. Effects of crack angles on fracture behavior were also studied. The specimens, which have inclined crack at an angle theta to the axis of the specimens, were used to carry out the tests. The specimens were tested with inclination angles 30 degree, 45 degree, 60 degree and 75 degree. The results are compared with the values of K_IC obtained using conventional (theta=90 degree) specimens. In addition, J integrals were also determined. J_IC increases continuously with increasing in crack angle from theta=30 degree to theta=90 degree. In contrast, J_IIIC decreases with the crack inclination angle theta from 30 degree to 90 degree.

Mixed-mode fracture behavior of glass fiber reinforced polymer concrete

Avci, A. / Akdemir, A. / Arikan, H.

Fracture toughness of chopped strand glass fiber reinforced particle-filled polymer composite beams was investigated in Mode I and Mode III loading conditions using three-point bend tests. Effects of crack angles on fracture behavior were also studied. The specimens, which have inclined crack at an angle theta to the axis of the specimens, were used to carry out the tests. The specimens were tested with inclination angles 30 degree, 45 degree, 60 degree and 75 degree. The results are compared with the values of K_IC obtained using conventional (theta=90 degree) specimens. In addition, J integrals were also determined. J_IC increases continuously with increasing in crack angle from theta=30 degree to theta=90 degree. In contrast, J_IIIC decreases with the crack inclination angle theta from 30 degree to 90 degree.

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Title:

Mixed-mode fracture behavior of glass fiber reinforced polymer concrete

Contributors:

Avci, A. (author) / Akdemir, A. (author) / Arikan, H. (author)

Published in:

Cement and Concrete Research ; 35 ; 243-247

Publication date:

2005

Size:

5 Seiten, 22 Quellen

ISSN:

DOI:

https://doi.org/10.1016/j.cemconres.2004.07.003

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Stahlbeton , Bruchmechanik , Bruchzähigkeit , Riss , Winkelmessung , Integralgleichung , Risseinleitung , Spannungsintensitätsfaktor , potenzielle Energie , Poisson-Zahl , Verbundwerkstoff , Hochleistungsfaser , glasfaserverstärkter Zement , glasfaserverstärkter Kunststoff , Polymerbeton , Bruchfestigkeit , Bruchverlauf

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