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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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.2
- 발행연도
- 2020.1
- 수록면
- 147 - 156 (10page)
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초록· 키워드
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This numerical study demonstrates the porosity conditions and the intensity of the interactions with the aggressive agents. It is established that the density as well as the elastic modulus are correlated to ultrasonic velocity The following investigation assessed the effects of cement grade and porosity on tensile strength, flexural and compressive of Ultra High Performance Concrete (UHPC) as a numerical model in PLAXIS 2d Software. Initially, the existing strength-porosity equations were investigated. Furthermore, comparisons of the proposed equations with the existing models suggested the high accuracy of the proposed equations in predicting, cement grade concrete strength. The outcome obtained showed a ductile failure when un-corroded reinforced concrete demonstrates several bending-induced cracks transfer to the steel reinforcement. Moreover, the outcome also showed a brittle failure when wider but fewer transverse cracks occurred under bending loads. Sustained loading as well as initial pre-cracked condition during the corrosion development have shown to have significant impact on the corrosion behavior of concrete properties. Moreover, greater porosity was generally associated with lower compressive, flexural, and tensile strength. Higher cement grade, on the other hand, resulted in lower reduction in concrete strength. This finding highlighted the critical role of cement strength grade in determining the mechanical properties of concrete.
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참고문헌 (101)
참고문헌 신청
Rajab M. Abousnina / 2016 / Physical and Mechanical Properties of Cement Mortar Containing Fine Sand Contaminated with Light Crude Oil / Procedia Engineering 145:250~258
Alireza Afshar / 2020 / Corrosion resistance evaluation of rebars with various primers and coatings in concrete modified with different additives / Construction and Building Materials 262:120034
Arabnejad Khanouki, M. M. / 2010 / Investigation of seismic behaviour of composite structures with concrete filled square steel tubular (CFSST) column by push-over and time-history analyses / Proceedings of the 4th International Conference on Steel & Composite Structures
Arabnejad Khanouki, M. M. / 2011 / Behavior of through beam connections composed of CFSST columns and steel beams by finite element studying / Adv. Mater. Res 168:2329~2333
Armaghani, D. J. / 2020 / Hybrid ANN-based techniques in predicting cohesion of sandy-soil combined with fiber / Geomech. Eng., Int. J 20(3):191~205
Alireza Afshar / 2020 / Corrosion resistance evaluation of rebars with various primers and coatings in concrete modified with different additives / Construction and Building Materials 262:120034
Arabnejad Khanouki, M. M. / 2010 / Investigation of seismic behaviour of composite structures with concrete filled square steel tubular (CFSST) column by push-over and time-history analyses / Proceedings of the 4th International Conference on Steel & Composite Structures
Arabnejad Khanouki, M. M. / 2011 / Behavior of through beam connections composed of CFSST columns and steel beams by finite element studying / Adv. Mater. Res 168:2329~2333
Armaghani, D. J. / 2020 / Hybrid ANN-based techniques in predicting cohesion of sandy-soil combined with fiber / Geomech. Eng., Int. J 20(3):191~205
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