Failure Lifetime Prediction Of Cracked Concrete Structures

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RACT This paper presents the results of creep tests on three notched dam models made with three type of concrete. In order to characterise the time-dependent behaviour of the process zone, a series of tensile tests was performed for each kind of concrete. On the basis of the law obtained in this way, crack propagationwas simulated numerically through the Cohesive Crack model. STATIC TESTS The specimens for static and creep tests were prepared together with the three dam models. The mix proportions used for concrete are shown in Table 1 (where (D= max aggregate size). Test series

Portland 325 Plasticizer Cement (kg/m 3) (kg/m 3) 27881 300 3

128571 128591

270 400

1 1

2.7 4

Water

Sand Gravel 0

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Failure Lifetime Prediction Of Cracked Concrete Structures

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