2018-Sustainable Industrial Processing Summit
SIPS2018 Volume 4. Mamalis Intl. Symp. / Advanced Manufacturing

Editors:F. Kongoli, A. G. Mamalis, K. Hokamoto
Publisher:Flogen Star OUTREACH
Publication Year:2018
Pages:352 pages
ISSN:2291-1227 (Metals and Materials Processing in a Clean Environment Series)
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    The Investigation of Low-velocity Drop Weight Impact on Concrete Plates

    Alper Tasdemirci1; Semih Berk Seven1; Mehmet Alper Cankaya2; Cetin Uysal3; Selcuk Saatci3; Mustafa Guden1;
    Type of Paper: Regular
    Id Paper: 123
    Topic: 48


    Concrete is used as a structural material which has a very wide range of applications. Concrete structures may be exposed to a variety of static and dynamic loading conditions in their lifespan. Due to this reason, it is important to investigate and understand the mechanical behavior of concrete under different impact conditions. In literature, the drop weight testing machine was used to investigate the impact behavior of different kind of cementitious material under low-velocity impact [1]. Perforation tests were performed using circular plain and fiber reinforced concrete [2]. In this study, drop weight impact tests on prismatic concrete plates were accomplished using drop tower test apparatus and modeled using finite element software LS-DYNA. In numerical analysis, JOHNSON_HOLMQUIST_CONCRETE (MAT_111) material model was selected to define material model for concrete samples since this material model is well suited for concrete materials subjected to impact loadings [3]. The dynamic mechanical characterization study of concrete material to determine the parameters of the HJC material model was done in the previous work [4]. The test setup consists of 20 mm diameter hemispherical striker tip impacting on a 200x200x20 mm prismatic specimen with the 100 mm hollow specimen holder. To see the effect of striker impact velocity on the behavior of concrete, two different impact velocities (1 m/s and 3 m/s) were applied. The effectiveness of the HJC material model and the validation of the parameters used in the numerical analysis were presented with the comparative study. The results obtained from experimental tests are in a good agreement with the numerical analysis results. Also, numerical results showed similar crack profiles with the experimental results.


    Ceramics; Low/High speed impact loading; Mechanics;


    [1] N. Banthia, S. Mindess, A. Bentur, and M. Pigeon, "Impact Testing of Concrete Using a Drop-Weight Impact Machine Impact Testing of Concrete Using a Drop-weight Impact Machine," vol. 1106, no. March, pp. 63-69, 1989.
    [2] S. Mindess and C. Yan, "Perforation of plain and fibre reinforced concretes subjected to low-velocity impact loading," Cem. Concr. Res., vol. 23, no. 1, pp. 83-92, 1993.
    [3] T. J. Holmquist, G. R. Johnson, and W. H. Cook, "A computational constitutive model for concrete subjected to large strains, high strain rates, and high pressures.pdf," 14th International Symposium on Ballistic, Quebec City, Canada. pp. 1-10, 1993.
    [4] A. Tasdemirci, M. A. Cankaya, S. B. Seven, C. Uysal, S. Saatci, M. Guden "The effect of strain rate on the compressive mechanical behavior of concrete," Int. J. Impact Eng., vol. under review, 2018.

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    Tasdemirci A, Seven S, Cankaya M, Uysal C, Saatci S, Guden M. (2018). The Investigation of Low-velocity Drop Weight Impact on Concrete Plates. In F. Kongoli, A. G. Mamalis, K. Hokamoto (Eds.), Sustainable Industrial Processing Summit SIPS2018 Volume 4. Mamalis Intl. Symp. / Advanced Manufacturing (pp. 117-124). Montreal, Canada: FLOGEN Star Outreach