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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.20 No.6
- 발행연도
- 2017.1
- 수록면
- 711 - 718 (8page)
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초록· 키워드
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Nanotechnology is a new filed in concrete structures which can improve the mechanical properties of them in confronting to impact and blast. However, in this paper, a mathematical model is introduced for the concrete models subjected to impact load for wave propagation analysis. The structure is simulated by the sinusoidal shear deformation theory (SSDT) and the governing equations of the concrete model are derived by energy method and Hamilton’s principle. The silicon dioxide (SiO2) nanoparticles are used as reinforcement for the concrete model where the characteristics of the equivalent composite are determined using Mori-Tanaka approach. An exact solution is applied for obtaining the maximum velocity of the model. In order to validate the theoretical results, three square models with different impact point and Geophone situations are tested experimentally. The effect of different parameters such as SiO2 nanoparticles volume percent, situation of the impact, length, width and thickness of the model as well as velocity, diameter and height of impactor are shown on the maximum velocity of the model. Results indicate that the theoretical and experimental dates are in a close agreement with each other. In addition, using from SiO2 nanoparticles leads to increase in the stiffness and consequently maximum velocity of the model.
목차
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참고문헌 (27)
참고문헌 신청
A. Akbarnezhad / 2011 / Thermal stress and pore pressure development in microwave heated concrete / Computers and Concrete, An International Journal 8(4):425~443
Mehmet Akkose / 2016 / Arrival direction effects of travelling waves on nonlinear seismic response of arch dams / Computers and Concrete, An International Journal 18(2):179~199
Aliabadian, Z. / 2014 / Wave and fracture propagation in continuum and faulted rock masses : Distinct element modeling / Arab J. Geosci. 7(12):5021~5035
Rajai Z. Al-Rousan / 2017 / Impact resistance of polypropylene fiber reinforced concrete two-way slabs / Structural Engineering and Mechanics, An Int＇l Journal 62(3):373~380
Boadu, F. K. / 1996 / Effects of fractures on seismic-wave velocity and attenuation / Geophys. J. Int. 127(1):86~110
Mehmet Akkose / 2016 / Arrival direction effects of travelling waves on nonlinear seismic response of arch dams / Computers and Concrete, An International Journal 18(2):179~199
Aliabadian, Z. / 2014 / Wave and fracture propagation in continuum and faulted rock masses : Distinct element modeling / Arab J. Geosci. 7(12):5021~5035
Rajai Z. Al-Rousan / 2017 / Impact resistance of polypropylene fiber reinforced concrete two-way slabs / Structural Engineering and Mechanics, An Int＇l Journal 62(3):373~380
Boadu, F. K. / 1996 / Effects of fractures on seismic-wave velocity and attenuation / Geophys. J. Int. 127(1):86~110
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