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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.26 No.5
- 발행연도
- 2020.1
- 수록면
- 605 - 617 (13page)
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초록· 키워드
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In this study, the experimental tests for the direct tensile strength measurement of Ultra-High Performance Concrete (UHPC) were numerically modeled by using the discrete element method (circle type element) and Finite Element Method (FEM). The experimental tests used for the laboratory tensile strength measurement is the Compressive-to-Tensile Load Conversion (CTLC) device. In this paper, the failure process including the cracks initiation, propagation and coalescence studied and then the direct tensile strength of the UHPC specimens measured by the novel apparatus i.e., CTLC device. For this purpose, the UHPC member (each containing a central hole) prepared, and situated in the CTLC device which in turn placed in the universal testing machine. The direct tensile strength of the member is measured due to the direct tensile stress which is applied to this specimen by the CTLC device. This novel device transferring the applied compressive load to that of the tensile during the testing process. The UHPC beam specimen of size 150 × 60 × 190 mm and internal hole of 75 × 60 mm was used in this study. The rate of the applied compressive load to CTLC device through the universal testing machine was 0.02 MPa/s. The direct tensile strength of UHPC was found using a new formula based on the present analyses. The numerical simulation given in this study gives the tensile strength and failure behavior of the UHPC very close to those obtained experimentally by the CTLC device implemented in the universal testing machine. The percent variation between experimental results and numerical results was found as nearly 2%. PFC2D simulations of the direct tensile strength measuring specimen and ABAQUS simulation of the tested CTLC specimens both demonstrate the validity and capability of the proposed testing procedure for the direct tensile strength measurement of UHPC specimens.
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참고문헌 (58)
참고문헌 신청
Amin Abrishambaf / 2015 / Tensile stress–crack width law for steel fibre reinforced self-compacting concrete obtained from indirect (splitting) tensile tests / Cement and Concrete Composites 57:153~165
Şeref Doğuşcan Akbaş / 2016 / Analytical solutions for static bending of edge cracked micro beams / Structural Engineering and Mechanics, An Int＇l Journal 59(3):579~599
Faez Alhussainy / 2016 / Direct tensile testing of Self-Compacting Concrete / Construction and Building Materials 112:903~906
Zeinab Aliabadian / 2019 / Failure, crack initiation and the tensile strength of transversely isotropic rock using the Brazilian test / International Journal of Rock Mechanics and Mining Sciences 122:104073
2008 / ASTM D2936-08 , Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens, Annual Book of ASTM Standards / ASTM
Şeref Doğuşcan Akbaş / 2016 / Analytical solutions for static bending of edge cracked micro beams / Structural Engineering and Mechanics, An Int＇l Journal 59(3):579~599
Faez Alhussainy / 2016 / Direct tensile testing of Self-Compacting Concrete / Construction and Building Materials 112:903~906
Zeinab Aliabadian / 2019 / Failure, crack initiation and the tensile strength of transversely isotropic rock using the Brazilian test / International Journal of Rock Mechanics and Mining Sciences 122:104073
2008 / ASTM D2936-08 , Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens, Annual Book of ASTM Standards / ASTM
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