Computers and Concrete

  • 제6권1호
  • /
  • Pages.79-93
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  • 2009
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Reliability of underground concrete barriers against normal missile impact

  • Siddiqui, N.A. (Department of Civil Engineering, King Saud University) ;
  • Khan, F.H. (Department of Civil Engineering, Aligarh Muslim University) ;
  • Umar, A. (Department of Civil Engineering, Aligarh Muslim University)
  • 투고 : 2007.06.05
  • 심사 : 2009.02.17
  • 발행 : 2009.02.25
⟨ 이전 논문 다음 논문 ⟩

초록

In the present paper, a methodology has been presented for the reliability assessment of concrete barriers that lie at a certain depth in the soil, and a missile (a rigid projectile) impacts the top of the soil cover normally, and subsequently after penetrating the soil cover completely it hits the barrier with certain striking velocity. For this purpose, using expressions available in the literature, striking velocity of missile at any depth of soil has been derived and then expressions for the depths of penetration in crater and tunnel region of concrete barrier have been deduced. These depths of penetration have been employed for the derivation of limit state functions. Using the derived limit state functions reliability assessment of underground concrete barrier has then been carried out through First Order Reliability Method (FORM). To study the influence of various random variables on barrier reliability, sensitivity analysis has also been carried out. In addition, a number of parametric studies is conducted to obtain the results of practical interest.

키워드

참고문헌

  1. Choudhury, M. A., Siddiqui, N.A. and Abbas, H. (2002). "Reliability analysis of a buried concrete target under missile impact." Int. J. Impact Eng. 27, 791-806. https://doi.org/10.1016/S0734-743X(02)00025-8
  2. Forrestal, M. J. and Luk, V. K. (1992), "Penetration into soil targets." Int. J. Impact Eng., 12, 427-444. https://doi.org/10.1016/0734-743X(92)90167-R
  3. Forrestal, M. J., Altman, B. S., Cargile, J. D. and Hanchak, S. J. (1994), "An empirical equation for penetration depth of ogive-nose projectiles into concrete target." Int. J. Impact Eng., 15(4), 395-405. https://doi.org/10.1016/0734-743X(94)80024-4
  4. Forrestal, M. J., Frew, D. J., Hanchak, S. J. and Bar, N. S. (1996), "Penetration of grout and concrete target with ogive-nose steel projectiles." Int. J. Impact Eng., 18(5), 465-476. https://doi.org/10.1016/0734-743X(95)00048-F
  5. Forrestal, M. J., Frew, D. J., Hickerson, J. P. and Rohwer, T. A. (2003), "Penetration of concrete targets with deceleration-time measurements." Int. J. Impact Eng., 28, 479-497. https://doi.org/10.1016/S0734-743X(02)00108-2
  6. Frew, D. J., Forrestal, M. J. and Cargile, J. D. (2006), "The effect of concrete target diameter on projectile deceleration and penetration depth." Int. J. Impact Eng., 32, 1584-1594. https://doi.org/10.1016/j.ijimpeng.2005.01.012
  7. Frew, D. J., Hanchak, S. J., Green, M. L. and Forrestal, M. J. (1998), "Penetration of concrete target with ogivenose steel rods." Int. J. Impact Eng., 21(6), 489-497. https://doi.org/10.1016/S0734-743X(98)00008-6
  8. Khan, R.A., Siddiqui, N. A., Naqvi, S.Q.A. and Ahmad, S.(2006). "Reliability analysis of TLP tethers under impulsive loading." Reliab. Eng. Syst. Safe., 91(1), 73-83. https://doi.org/10.1016/j.ress.2004.11.010
  9. Khan, U., Siddiqui, N. A., Umar, A. and Abbas, H. (2003), "Local damage in concrete targets under impact load." Defence Sci. J. DRDO, India, 53(1), 67-73. https://doi.org/10.14429/dsj.53.2131
  10. Nowak, A. S. and Collins, K. R. (2000), Reliability of Struct., Mc Graw Hill, Singapore.
  11. Siddiqui, N. A., Kumar, S., Khan, M. A. and Abbas, H. (2006). "A simplified procedure to incorporate soil nonlinearity in missile penetration problems." Struct. Eng. Mech., 23(3), 249-262. https://doi.org/10.12989/sem.2006.23.3.249
  12. Siddiqui, N.A. (2003). "Reliability analysis of concrete barriers under normal missile impact." Proceedings of National Conference on Advances in Civil Engineering: Perspectives of Developing Countries (ACEDEC 2003), HBTI Kanpur, India, 15-16 January, 1, 20-29.
  13. Siddiqui, N.A. and Abbas, H. (2002), "Mechanics of missile penetration into geo-materials." Struct. Eng. Mech., 13(2), 639-652. https://doi.org/10.12989/sem.2002.13.6.639
  14. Siddiqui, N. A. Iqbal, M. A., Abbas, H. and Paul, D. K. (2003), "Reliability analysis of nuclear containment without metallic liners against jet aircraft crash." Nuclear Eng. Des., 224, 11-21. https://doi.org/10.1016/S0029-5493(03)00080-3
  15. Siddiqui, N.A., Choudhury, M. A. and Abbas, H. (2002). "Reliability analysis of projectile penetration into geological targets." Reliab. Eng. Syst. Safe., 78, 13-19. https://doi.org/10.1016/S0951-8320(02)00050-9

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