Bal listic penetration in cement

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The minimum coarse aggregate content was 0; and at the maximum content, the coarse aggregates contacted with each other and created voids. The obturator ring was connected to the projectile body by thread, and material was monomer casting MC nylon. The cross section diagram is shown in Fig. Too high of the coarse aggregate content led to the formation of many voids, which led to the disappearance of radial cracks, crater surface bypassing the coarse aggregate and a large reduction of crater diameter. Int J Impact Eng 34 The pure mortar target had the smallest radial crack origin diameter and crater depth.

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The increase of volume fraction of coarse aggregate was beneficial to reducing penetration depth and the increase of voids volume fraction was opposite.

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The ratio of maximum coarse aggregate size to the projectile diameter did not exceed 1. Finite Elem Anal Des 42 7: Mesoscale models for concrete: The trajectory center of c5 collapsed after compression, and the interior of the trajectory was blocked by falling coarse aggregate and mortar. The high compressibility of c1 reduced the propagation of the plastic wave, and correspondingly the size of plastic zone decreased. Study of the anti-penetration performance of concrete with different coarse aggregate content. Int J Protective Structures 1 1:

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