Behavior of prestressed fiber-reinforced steel-lined concrete slabs under projectile impact

• Autorzy: Almusallam Tarek , Abbas Husain , Hodali Omar , Siddiqui Nadeem , Al-Salloum Yousef

Identyfikatory

DOI

10.1007/s43452-022-00602-6

• Języki publikacji: EN

Abstrakty

EN

Recently, investigators have found that the application of prestressing, addition of fibers, and steel lining can improve concrete's overall performance, including its impact resistance. There is, however, no study in the available literature on the impact response of steel-lined post-tensioned fiber-reinforced concrete (PFRC). This study examines how steel-lined PFRC responds to projectile impact. The PFRC slabs with/without a steel lining on the rear face were tested against the impact of hemispherical-nosed projectiles at varied velocities using a gas-gun facility. The test results revealed that steel fiber volume increased the ballistic limit, reduced penetration and scabbing depths, and reduced ejected mass substantially from the back face. The use of steel lining on the back face caused a substantial increase in the ballistic limit and caused a significant reduction in the ejected mass. NDRC equations are modified to incorporate the effects of prestressing, steel fibers, and steel lining to predict penetration depth. Another empirical model is developed for ballistic limit prediction of the prestressed steel-lined fiber-reinforced concrete slab by incorporating the prestressing, steel fibers, and steel lining in the UKAEA formula. The models agreed well with the experimental results.

Słowa kluczowe

EN

prestressed slab; steel fiber; projectile impact; steel lining; ejected mass; PFRC

PL

płyta sprężona; włókno stalowe; układ bezbijakowy

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2023
• Tom: Vol. 23, no. 1
• Strony: art. no. e64, 2023
• Opis fizyczny: Bibliogr. 29 poz., rys., tab., wykr.

Twórcy

autor

Almusallam Tarek

• Chair of Research and Studies in Strengthening and Rehabilitation of Structures, Department of Civil Engineering, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia

autor

Abbas Husain

• Chair of Research and Studies in Strengthening and Rehabilitation of Structures, Department of Civil Engineering, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia

• https://orcid.org/0000-0003-3865-9540

autor

Hodali Omar

• Chair of Research and Studies in Strengthening and Rehabilitation of Structures, Department of Civil Engineering, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia

autor

Siddiqui Nadeem

• Chair of Research and Studies in Strengthening and Rehabilitation of Structures, Department of Civil Engineering, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia

autor

Al-Salloum Yousef

• Chair of Research and Studies in Strengthening and Rehabilitation of Structures, Department of Civil Engineering, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia

Bibliografia

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• 2. Almusallam TH, Siddiqui NA, Iqbal RA, Abbas H. Response of hybrid-fiber reinforced concrete slabs to hard projectile impact. Int J Impact Eng. 2013;58:17-30.
• 3. Mohammadi Y, Carkon-Azad R, Singh SP, Kaushik SK. Impact resistance of steel fibrous concrete containing fibres of mixed aspect ratio. Constr Build Mater. 2009;23(1):183-9.
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• 5. Siddiqui NA, Khateeb BM, Almusallam TH, Al-Salloum YA, Iqbal RA, Abbas H. Reliability of RC shielded steel plates against the impact of sharp nose projectiles. Int J Impact Eng. 2014;69:122-35.
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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)