,
88
.
(9.3)
a
.
с
a
.
с
Where R
is strength of expanded clay gravel; ρb
is bulk density of
c.a
c.a
expanded clay gravel.
Maximal possible density of coarse porous aggregate at volume concentration
of porous aggregate ϕ=const is limited by concrete density (ρ ) and density of
c
their mortar component. It can be found from the equation:
ρс = ρ a.
с ϕ
+ ρm(1− ϕ)− W
(9.4