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Characteristics of high-performance steel fiber-reinforced concrete subject to high velocity impact
Targets made of high-performance steel fiber-reinforced concrete (HPSFRC), which was produced by fluidized mortar, steel fibers and casting process of mortar infiltrating and vibrating, were subject to high velocity impact of projectile and compared with those targets made of reinforced high strength concrete (RHSC). Test results show when impacted by projectiles at high speed, the RHSC targets exhibited smash failure, while HPSFRC targets remained intact with several radial cracks in the front faces penetrated by projectiles and some minor cracks in the side faces. The projectiles were either embedded in or rebounded from HPSFRC targets. Relationship between the resistance of the targets against impact and the parameters concerned was analyzed. Based on the dimensional analysis, it is possible to predict the penetration performance in a real situation by using the test results from a simulation test. Besides, the relationship between penetration depth in CZ targets and the dimensionless speed of projectile was built by regressing the test results.
Characteristics of high-performance steel fiber-reinforced concrete subject to high velocity impact
Targets made of high-performance steel fiber-reinforced concrete (HPSFRC), which was produced by fluidized mortar, steel fibers and casting process of mortar infiltrating and vibrating, were subject to high velocity impact of projectile and compared with those targets made of reinforced high strength concrete (RHSC). Test results show when impacted by projectiles at high speed, the RHSC targets exhibited smash failure, while HPSFRC targets remained intact with several radial cracks in the front faces penetrated by projectiles and some minor cracks in the side faces. The projectiles were either embedded in or rebounded from HPSFRC targets. Relationship between the resistance of the targets against impact and the parameters concerned was analyzed. Based on the dimensional analysis, it is possible to predict the penetration performance in a real situation by using the test results from a simulation test. Besides, the relationship between penetration depth in CZ targets and the dimensionless speed of projectile was built by regressing the test results.
Characteristics of high-performance steel fiber-reinforced concrete subject to high velocity impact
Luo, Xin (author) / Sun, W. (author) / Chan, S.Y.N. (author)
Cement and Concrete Research ; 30 ; 907-914
2000
8 Seiten, 9 Quellen
Article (Journal)
English
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