From: On the Evaluation of Prestress Loss in PRC Beams by Means of Dynamic Techniques
Experimental tests
\(\sigma _{c,mean}\)
\(f_{c,iden}\)
\({\sigma _{c,mean}}/{f_{c,iden}}\)
Compression softening
(MPa)
Saiidi et al. (1994)
10.1
27.8
0.364
Relevant
Kim et al. (2010)
1.0
24.3
0.039
Absent
Zhang and Li (2007)
4.17
43.1
0.097
Moderate
Jang et al. (2010)
5.81
35.2
0.165
