(,- 666.974 ./012314-54 6126/3784 */91:;317 2 ,1:/ -/<5 13=1,1 1*7;(>1071*1 1?1-7/ .!. !"#$%&, '.!. ()*+%& HEAT-RESISTANT PHOSPHORIC EXPANDED CONCRETE WITH THE ADDITION OF WASTE HEAT-RESISTING FIBER V.A. Abyzov, O.A. Klinov !""#!$%&'!($") '*+%*", "*'-%.-/"$'*'!/&) 0!%*"$*12&3 4-$*/*' /! 5*"5!$/,3 "')62!3. 7*2!6!/*, 8$* 9*4!'2! *:/-;+*%/*:* '*<*2/! +%&'*9&$ 2 +*<;8-/&( #!$-%&!<*' " *"*4,#& "'*1"$'!#&. !"#$%&$ '!(%): *)+(',(-./$ 0$,(1&, 2('2),1&$ '%345"6/$, 3#$/',&$ 0$,(1&, ,$7!(/4(!38/3, (91$57(+1($ %(!(.1(, 7+(:&;!$11&$ (,<(=&. The issues of improving heat-resistant concretes with phosphate binders are considered.It is shownthat the addition of fire resistant fibersleads to obtainingof thematerials with specialproperties. 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