,

(5.9)

m (28 )

R cmp

E.Sherbakov

W-quantity of water, liters per cubic meter; К= 16.10-6

Deformation of creep at definite age of loading (C

) can be calculated as

m(τ)

a follows:

С

= C

ξ ξ ξ

,

(5.

10)

m (

τ)

m (28 ) r θ τ

where C

– deformation of creep at 28 days loading;

m(28)

ξ ξ ξ

r

θ τ

- coefficients taking into account influencing of size of unit,

humidity of environment and age of concrete in the moment of

loading began.

97

Also, deformation of creep at definite age of loading (C

) is obtained by use

m(τ)

of the following formula:

τ

C

= C

(