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1000 1100 120c 13cc 1400 1500

1c00 1100 1200 130c 14c0 1500

1000 1100 120c 13cc 1400 1500

Bad bond conditions

Gradual release

Bad bond conditions

1c00 1100 1200 130c 14c0 1500

1000 1100 120c 13cc 1400 1500

1c00 1100 1200 130c 14c0 1500

1000 1100 120c 13cc 1400 1500

Bad bond conditions

Sudden release

Bad bond conditions

1c00 1100 1200 1300 14c0 1500

1000 1100 1200 13cc 1400 1500

Figure 8.3. Anchorage length lbpd as a function of the stress to be anchored, apd. Concrete strength at release is 40 MPa, nominal concrete strength is C50 and initial prestress is 1000 MPa. Thick black line = EN, thick grey line = ENV, thin black line = MC90

1c00 1100 1200 1300 14c0 1500

1000 1100 1200 13cc 1400 1500

Figure 8.3. Anchorage length lbpd as a function of the stress to be anchored, apd. Concrete strength at release is 40 MPa, nominal concrete strength is C50 and initial prestress is 1000 MPa. Thick black line = EN, thick grey line = ENV, thin black line = MC90

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