ABSTRACT

Thermal Cracking in Concrete at Early Ages. Edited by R. Springenschmid. Published 1994 by E «& FN Spon, 2-6 Boundary Row, London SEl 8HN, UK. ISBN: 0 419 18710 3.

2 Simplified model

Days

164 Nagy and Thelandersson

Z.O

1.0

y C

Modd

Test

0.5 10 1.5 IS 3.0 3.5 4.0

Time (days)

3.0

2.0

1.0

0 '

S t r e s s (MPa)

-2.0

-3.0

Normal

Rapid

Time (days)

3 Non-destructive measurement of material stiffness for young concrete

F - \ + ^ "

UMPa)

4 Discussion

5 Conclusions

6 References