Petrov P. O.
1,2, Savinykh A. S.
3, Garkushin G. V.
3, Zhukov I. A.
1, Kozulin A.A.
1, Razorenov S. V.
31Tomsk State University, Tomsk, Russia
2Soyuzbeton, Tomsk, Russia
3Federal Research Center for Problems of Chemical Physics and Medical Chemistry, Russian Academy of Sciences, Chernogolovka, Moscow region, Russia
Email: souzbeton_petrov@mail.ru, savas@ficp.ac.ru, garkushin@ficp.ac.ru, gofra930@gmail.com, kozylyn@ftf.tsu.ru, razsv@ficp.ac.ru
In this study, cylindrical samples of the B45 heavyweight concrete with a diameter of 105 mm and lengths of 25-500 mm were subjected to shock compression loads of 3.8 GPa, induced using explosive plane-wave generators. Upon loading, the shock wave profiles were continuously recorded with a "VISAR" laser interferometer. As a result, dependences of the shock wave attenuation on the sample length and the dynamic hardening coefficient were determined. In addition, the dynamic (spall) strengths were assessed for the concrete samples under both compressive and tensile loads. Keywords: heavyweight concrete, shock wave, VISAR interferometer, strength, compression, tension, dynamic hardening coefficient.
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