TY JOUR TI The effect of the cement-sand matrix structure on the strength of protective structures under the influence of conventional weapons KW stresses KW coating plate of a special structure KW protective structure KW cement-sand matrix KW auxetic structure KW mathematical modeling KW regression analysis KW regression equation KW Fisher criterion KW dynamic impact KW optimization of parameters JO Construction and Architecture AU Kamenev, Y.A. AU Nesterov, O.S. AU Pavlyuk, A.Y. AU Karasev, S.Y. PY 2025 IS 13 PB Publishing Center RIOR