Basics of Concrete Science by Professor L. Dvorkin, Professor O. Dvorkin - HTML preview

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,

с

ρс

Where А is strength-density ratio, that can vary within wide limits. For

autoclaved cellular concrete А≈10, for non-autoclaved cellular concrete

А≈7,5...8,5.

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0

Shrinking deformations of

0.5

autoclaved cellular concrete made

on the basis of cement and sand

/m

1

reach 0.5-0.7 mm/m and more, and

1.5

for non-cement and non-autoclaved

concrete 2 mm/m and more

2

inkage, mm

(Fig.9.4); swelling deformations

Shr

2.5

depend on storage conditions and

are 0.4-1.6 mm/m.

Age, days

Fig. 9.4. Relationship between shrinking

deformations of cellular concrete and age of

hardening:

1 – autoclaved concrete;

2 – non-autoclaved concrete

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