Concrete penetrate 762

Find articles by Mauricio Sanchez-Silva. Noyes; New Jersey: The whole study was published, but I'm not sure it it's on the net. As I recall, they were 9mm. I did not get through it, but weakened it enough so that an electric demolition hammers could safely finish the job. So from what I remember single rifle round should not penetrate 4" concrete wall excepting 50cal of course.
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Kitchen Remodeling: Concrete Countetops 101

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Microbiologically induced deterioration of concrete - A Review

The action of microorganisms on concrete structures can be classified according to their effects on concrete surfaces, concrete matrices, and on cracking and crack growth Amann et al. Importance of hydrogen sulfide, thiosulfate, and methylmercaptan for growth of Thiobacilli during simulation of concrete corrosion. A newly isolated fungus participates in the corrosion of concrete sewer pipes. When the pH reaches 3, T. Bullet resistant fiberglass panels are made by saturating the mesh with resin.
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Microbiologically induced deterioration of concrete - A Review

KillerCharlie Diamond Member. So you shot a hole in the wall to start make a doorway! This chemical process uses water, acids, and inorganic salts to react to the minerals already present in the concrete. The diferances would be much greater with FMJ ammo. Gypsum can act as a protective layer for concrete in the same way that initial corrosion protects metals like the oxide layer on aluminum.
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Aug 21, 3, 38 So Altaberg, you guys had 7. Perhaps I need to shoot another 5. Aug 24, 1, 0 0. After construction, concrete is usually immune to biological attack because of its high alkalinity.
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