TY JOUR TI INVESTIGATION OF CHIP CEMENT BLOCKS TO DETERMINE THE DEGREE OF THERMAL IMPACT ON FIRE BY INFRARED SPECTROSCOPY KW inorganic constructing materials KW composite materials KW woodchip blocks KW cement KW wood chips KW fire KW gorenje KW thermal effects KW expertise KW infrared spectroscopy JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Claptyuk, I.V. AU Krylov, D.A. AU Belshina, Y.N. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia