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TABLE 1 Data of the test specimens

The basis for this work are fatigue tes ts carried out under constan t amplitude (S-N-lines). Based on the CA-tests, block tes ts w ere perform ed under the load seq u en ce P = 1 /3 and P = 2 /3 (see fig. 2), which are known from literature [7 ,8 ,11 etc.), for cranes and crane railways.