Prediction of Long-Term Prestress Loss and Crack Resistance Analysis of Corroded Prestressed Concrete Box-Girder Bridges

Table 4

Mean value of effective prestress after deducting all instantaneous losses.

Prestressing tendons	CB1	CB2	CB3	CB4	CB4′	CB5	CB5′	CB6	CB7	CB8	CB9	CB10	CT1	N138
Initial tension control stress (MPa)	1395	1395	1395	1395	1395	1395	1395	1395	1395	1395	1395	1395	1395	706.5
Effective prestress (MPa)	1204.9	1243.3	1261.4	1271.4	1271.4	1269.9	1269.9	1264.2	1254.1	1244.9	1235.9	1227.3	1261.8	626.5

Note. CB = PTs in bottom slab, CT = PTs in top slab, and N = vertical PTs.