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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.21 No.4
- 발행연도
- 2018.1
- 수록면
- 399 - 406 (8page)
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The present study focuses on the performance of basalt fiber reinforced concrete (BFRC) lining in tunnel situated in sandstone rock when subjected to internal blast loading. The blast analysis of the lined tunnel is carried out using the threedimensional (3-D) nonlinear finite element (FE) method. The stress-strain response of the sandstone rock is simulated using a crushable plasticity model which can simulate the brittle behavior of rock and that of BFRC lining is analyzed using a damaged plasticity model for concrete capturing damage response. The strain rate dependent material properties of BFRC are collected from the literature and that of rock are taken from the authors' previous work using split Hopkinson pressure bar (SHPB). The constitutive model performance is validated through the FE simulation of SHPB test and the comparison of simulation results with the experimental data. Further, blast loading in the tunnel is simulated for 10 kg and 50 kg Trinitrotoluene (TNT) charge weights using the equivalent pressure-time curves obtained through hydrocode simulations. The analysis results are studied for the stress and displacement response of rock and tunnel lining. Blast performance of BFRC lining is compared with that of plain concrete (PC) and steel fiber reinforced concrete (SFRC) lining materials. It is observed that the BFRC lining exhibits almost 65% lesser displacement as compared to PC and 30% lesser displacement as compared to SFRC tunnel linings.
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참고문헌 (27)
참고문헌 신청
2011 / Abaqus V6.11 User's Manual
Alam, S.M. / 2015 / Characterisation of Kota sandstone under different strain rates in uniaxial loading / Geotech. Geolog. Eng. 33(1):143~152
Mehmet E. Arslan / 2016 / Effect of basalt fibers on fracture energy and mechanical properties of HSC / Computers and Concrete, An International Journal 17(4):553~566
Chakraborty, T. / 2013 / Impact simulation of rocks under SHPB test / Proceedings of the Indian National Science Academy (INSA) 79(3):1~7
Chakraborty, T. / 2014 / Performance of tunnel lining materials under internal blast loading / Int. J. Protect. Struct. 5(1):83~96
Alam, S.M. / 2015 / Characterisation of Kota sandstone under different strain rates in uniaxial loading / Geotech. Geolog. Eng. 33(1):143~152
Mehmet E. Arslan / 2016 / Effect of basalt fibers on fracture energy and mechanical properties of HSC / Computers and Concrete, An International Journal 17(4):553~566
Chakraborty, T. / 2013 / Impact simulation of rocks under SHPB test / Proceedings of the Indian National Science Academy (INSA) 79(3):1~7
Chakraborty, T. / 2014 / Performance of tunnel lining materials under internal blast loading / Int. J. Protect. Struct. 5(1):83~96
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